CN117941335A - Knowledge distribution system, method, apparatus and computer readable medium - Google Patents

Knowledge distribution system, method, apparatus and computer readable medium Download PDF

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Publication number
CN117941335A
CN117941335A CN202180101894.1A CN202180101894A CN117941335A CN 117941335 A CN117941335 A CN 117941335A CN 202180101894 A CN202180101894 A CN 202180101894A CN 117941335 A CN117941335 A CN 117941335A
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knowledge
data integration
integration system
distribution center
sidecar
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高亮
姚科
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Siemens AG
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Siemens AG
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

Embodiments of the present invention relate to computer technology, and more particularly, to knowledge distribution systems, methods, apparatuses, and computer readable media. Wherein the knowledge distribution system (100) comprises: at least one data integration system (20) for data integration of devices or systems in an organization by a knowledge distribution center (10) for distributing knowledge in said organization; a sidecar system (30) connected to each data integration system (20) is configured to register the connected data integration system (20) at the knowledge distribution center (10) and to acquire knowledge distributed by the knowledge distribution center (10). Wherein the knowledge distribution center (10) is located at a control plane (300) in the service grid, and the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid. The side car mechanism in the service grid is utilized to facilitate the distribution of knowledge.

Description

Knowledge distribution system, method, apparatus and computer readable medium Technical Field
Embodiments of the present invention relate to the field of information technologies, and in particular, to a knowledge distribution system, a method, an apparatus, and a computer readable medium.
Background
Knowledge of the description of the ontology description language, such as the resource description framework (Resource Description Framework, RDF) or the Web ontology language (Ontology Web Language, OWL), can be used to represent a semantic model (semantic model) that can describe standardized entity structures and relationships that exist in the data. In a data fusion scenario involving multiple vertical systems, knowledge is typically used to define a standardized data structure. Such as: in the factory, edge devices process data from multiple data sources directly on the industrial site by means of incomplete semantic models (partial information model), while the cloud-side data integration system can provide knowledge integration capabilities of IT systems and OT systems by using the complete semantic models. In this scenario, when knowledge distribution is required between the cloud and edge devices or between data integration systems (data integration system, such as data center (DATA LAYER), etc.), there are the following problems:
1. how does knowledge be uniformly managed to ensure that knowledge can be properly distributed to edge devices?
2. How to guarantee the consistency of knowledge between edge devices and cloud?
Disclosure of Invention
The embodiment of the invention provides a knowledge distribution system, a method, a device and a computer readable medium, which are used for carrying out knowledge distribution between a cloud end and a data integration system of edge equipment based on a service grid (SERVICE MESH) technology, and the side car (sidecar) mechanism in the service grid is utilized to facilitate the knowledge distribution.
In a first aspect, there is provided a knowledge distribution system comprising: a knowledge distribution center configured to distribute knowledge in an organization; at least one data integration system configured to data integrate connected devices or systems in the organization; at least one sidecar system, wherein one sidecar system is connected with one data integration system, the sidecar system is configured to register the connected data integration system at the knowledge distribution center and acquire knowledge distributed by the knowledge distribution center for the connected data integration system; the knowledge distribution center is located on a control plane in the service grid, and the at least one data integration system and the side car system connected with each data integration system are located on a data plane in the service grid.
In a second aspect, a knowledge distribution method is provided, where the method is applied to a side car system in the knowledge distribution system provided in the first aspect, and includes steps executed by the side car system.
In a third aspect, a knowledge distribution method is provided, which is applied to a knowledge distribution center in the knowledge distribution system provided in the first aspect, and includes steps performed by the knowledge distribution center.
In a fourth aspect, a knowledge distribution method is provided, where the method is applied to a data integration system in the knowledge distribution system provided in the first aspect, and includes steps executed by the data integration system.
In a fifth aspect, there is provided a side cart system comprising means for performing the steps of the method provided in the second aspect.
In a sixth aspect, there is provided a knowledge distribution center comprising means for performing the steps of the method provided in the third aspect.
In a seventh aspect, there is provided a data integration system comprising means for performing the steps of the method provided in the fourth aspect.
In an eighth aspect, a sidecar system is provided, comprising at least one memory configured to store computer readable code; at least one processor configured to invoke the computer readable code to perform the steps of the method provided in the second aspect.
In a ninth aspect, there is provided a knowledge distribution center comprising at least one memory configured to store computer readable code; at least one processor configured to invoke the computer readable code to perform the steps of the method provided in the third aspect.
In a tenth aspect, there is provided a data integration system comprising at least one memory configured to store computer readable code; at least one processor configured to invoke the computer readable code to perform the steps of the method provided in the fourth aspect.
In an eleventh aspect, there is provided a computer readable medium having stored thereon computer readable code which, when executed by a processor, causes the processor to perform the steps of the method provided in the second, third or fourth aspects.
In a twelfth aspect, there is provided a computer program product comprising computer readable code which when executed by a processor carries out the steps of the method provided in the second, third or fourth aspects.
In the embodiment of the invention, the application service grid technology realizes knowledge distribution to each data integration system. The system comprises a knowledge distribution center, a data integration system, a control plane, a data integration system and a control plane, wherein the knowledge distribution center is located on the control plane to carry out knowledge distribution, and each side car system located on the user plane is used for registering each data integration system to the knowledge distribution center and acquiring knowledge distributed by the knowledge distribution center. In the existing distributed knowledge distribution scheme, knowledge is generally distributed between interfaces between a knowledge distribution center and each data integration system, and a relatively complex technology is required to ensure the consistency of the knowledge of each data integration system. In the embodiment of the invention, knowledge distribution is uniformly carried out by a knowledge distribution center through the application of a service grid technology, and registration of the data integration systems and acquisition of the knowledge are carried out by the side car system, so that synchronous updating of the knowledge between the data integration systems and the knowledge distribution center is relatively easy to realize. And the side car system realizes service registration of a control plane and knowledge distribution of a data plane, the realization of the side car system is relatively independent from the logic of each data integration system, the deployment cost is low, the efficiency is high, and the influence on each data integration system is minimum.
For any of the above aspects, optionally, when the side car system acquires knowledge for the data integration system, subscribing the knowledge related to the data integration system for the data integration system at the knowledge distribution center by subscribing; and the knowledge distribution center distributes knowledge by publishing knowledge subscribed by the data integration system and related to the data integration system, and the side car system forwards the knowledge published by the knowledge distribution center to the data integration system. Here, the sidecar system distributes knowledge to the connected data integration systems by subscribing to the knowledge distribution center.
With respect to any of the above aspects, optionally, the data integration system sends a first request message to the connected sidecar system, where the first request message is used to request the knowledge distribution center for distributed knowledge related to the data integration system; the side car system forwards the first request message to the knowledge distribution center; the knowledge distribution center responds to the first request message when the knowledge related to the data integration system is to be distributed, and sends the distributed knowledge related to the data integration system to the side car system; and forwarding, by the sidecar system to the data integration system, knowledge related to the data integration system distributed by the knowledge distribution center. Here, the side car system forwards a request that the data integration system requests the knowledge distribution center to distribute knowledge, and forwards knowledge with the data integration system distributed by the knowledge distribution center in response to the request to the data integration system.
With respect to any of the above aspects, optionally, when the knowledge is updated, the knowledge distribution center receives a second request message for updating the knowledge by the user, where the second request message includes first indication information, and the first indication information is used for indicating a data integration system related to the updated knowledge; the knowledge distribution center updates the knowledge in the organization according to the second request message and distributes the updated knowledge to the data integration system indicated by the first indication information. Here, the knowledge distribution center may distribute updated knowledge to the specified data integration system as instructed by the user.
With respect to any of the above aspects, optionally, the data integration system sends, at startup, a third request message registered at the knowledge distribution center to the connected sidecar system, where the third request message includes second indication information, where the second indication information is used to indicate that the data integration system is related to the first part of knowledge in the organization; the side car system forwards the third request message to the knowledge distribution center; the knowledge distribution center receives the third request message and determines that the data integration system is related to the first portion of knowledge in the organization based on the second indication information. And when the knowledge distribution center receives a fourth request message for updating the knowledge by a user, updating the knowledge in the organization according to the fourth request message, determining a data integration system related to the updated knowledge according to second indication information in the third request message when each data integration system is registered, and distributing the updated knowledge to the determined data integration system related to the updated knowledge. Here, when the data integration system indicates a first part of the knowledge related to the first part through the side car system when the side car system is registered in the knowledge distribution center, the knowledge distribution center can determine whether the updated knowledge affects the first part when receiving the updated knowledge of the user, and distribute the updated knowledge to the data integration system when determining that the first part is affected.
Drawings
Fig. 1 is a schematic structural diagram of a knowledge distribution system according to an embodiment of the present invention.
Fig. 2 is a flowchart of a knowledge distribution method according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a knowledge distribution center according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a data integration system according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a sidecar system according to an embodiment of the present invention.
Fig. 6 is a flowchart of a knowledge distribution method according to another embodiment of the present invention.
FIG. 7 is a schematic diagram of a side car system according to another embodiment of the present invention.
List of reference numerals:
100: knowledge distribution system
10: Knowledge distribution center 20: data integration system 30: side car system
300: Control plane 400: data plane 500: cloud 600: edge device
70: Application 701: business logic 702: data
111: Knowledge management module 112: registry 113: configuration center
200: The embodiment of the invention provides a knowledge distribution method
S201 to S209: steps of method 200
11: Knowledge distribution program on knowledge distribution center 10 side
12: Knowledge 101: memory 102: processor 103: communication module
21: Knowledge distribution program on data integration system 20 side
201: Memory 202: processor 203: communication module
211: Registration module 212: knowledge acquisition module
31: Knowledge distribution program on side of side car system 30
301: Memory 302: processor 303: communication module
311: Registration module 312: knowledge acquisition module
311A: registration function 311b: discovery function 312a: route forwarding and flow control 312b: configuration user terminal
800: The invention also provides a knowledge distribution method
S801 to S815: steps of method 800
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be appreciated that these embodiments are discussed only to enable a person skilled in the art to better understand and thereby practice the subject matter described herein, and are not limiting of the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the embodiments of the invention. Various examples may omit, replace, or add various procedures or components as desired. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, features described with respect to some examples may be combined in other examples as well.
As used herein, the term "comprising" and variations thereof mean open-ended terms, meaning "including, but not limited to. The term "based on" means "based at least in part on". The terms "one embodiment" and "an embodiment" mean "at least one embodiment. The term "another embodiment" means "at least one other embodiment". The terms "first," "second," and the like, may refer to different or the same object. Other definitions, whether explicit or implicit, may be included below. Unless the context clearly indicates otherwise, the definition of a term is consistent throughout this specification.
The description of the embodiments of the invention is explained below, and it should be noted that these explanations should not be construed as limiting the scope of the invention as claimed.
Data (data): is a digital feature or information (from the wikipedia) obtained by observation.
Knowledge (knowledges): is a recognition of the behavior of a subject "cognition" and "recognition" whereby the recognition is believed to possess potential capabilities for use for a particular purpose. Meaning that something can be familiar with and thus known through experience or association; this fact or state is called knowledge (from the wikipedia family). There is a large amount of data in networks, devices, and knowledge is built into these data.
Semantic model (semantic model): knowledge contained in the data may be defined by a semantic model. The semantic model uses a standardized format to define entities and interrelationships between entities. The formats of the semantic model include RDF, OWL, knowledge graph (knowledgegraph), and the like.
Data integration (data integration): data integration is to organically integrate data with different sources, formats and characteristics logically or physically, so as to provide comprehensive data sharing for enterprises. . One problem faced by data integration is that different data sources are incompatible with each other and the process of integration is complex and time consuming.
Data integration system (data integration system): a device for implementing data integration or a system composed of a plurality of devices, such as: the data center (DATA LAYER) is a data integration system. The data integration system can be deployed at the cloud end and also can be deployed at the edge side. At the cloud, one data integration system may connect one or more cloud devices; while on the edge side, a data integration system may connect one or more edge devices, such as: mechanical arms, sensors, programmable logic controllers (Programmable Logical Controller, PLC) in industrial systems, and the like.
The following describes embodiments of the present invention in detail with reference to fig. 1 to 6.
Fig. 1 is a schematic structural diagram of a knowledge distribution system 100 according to an embodiment of the present invention. As shown in fig. 1, the knowledge distribution system 100 includes:
A knowledge distribution center 10 configured to distribute knowledge in an organization. The organization may be an enterprise, or a group or campus comprising a plurality of enterprises, or an organization within an enterprise, etc., with different enterprises or organizations within the organization potentially accessing some or all of the knowledge managed by the knowledge distribution center 10. Knowledge may be defined by a semantic model, which may be described by an ontology description language such as RDF or OWL, or by means of a knowledge graph.
At least one data integration system 20, each data integration system 20 being configured for data integration of devices or systems in the connected organization. As shown in fig. 1, the data integration system 20 may be deployed at the cloud 500 or at the edge 600. A data integration system 20 may connect one or more devices or systems in the organization. The data integration system 20 may be a data center, a data platform, or other system for integrating data. The data integration system 20 deployed in the cloud may interact with a plurality of applications 70 deployed in the cloud, and further transmit knowledge acquired from the knowledge distribution center 10 to each application 70. Each application 70 executes its business logic 701 based on the received knowledge (here, the knowledge is converted into data 702).
At least one sidecar system 30, wherein one sidecar system 30 is connected to one data integration system 20, each sidecar system 30 being configured to: registering the connected data integration system 20 at the knowledge distribution center 10, and acquiring knowledge distributed by the knowledge distribution center 10 for the connected data integration system 20.
Wherein the knowledge distribution center 10 is located in a control plane 300 in a service grid and the at least one data integration system 20 and the sidecar system 30 to which each data integration system 20 is connected is located in a data plane 400 in the service grid.
Typically, an organization will define and store a knowledge model of the complete business domain in the cloud. For data integration systems on the edge side, semantic models that satisfy field data integration may be defined to describe knowledge. The semantic model is a small part of the overall knowledge model. In addition, the cloud data integration system can use partial knowledge of the business field or a complete semantic model to integrate and fuse data of heterogeneous vertical systems with a plurality of different data sources. In an embodiment of the present invention, in combination with the service grid technology, each data integration system 20 may be registered and discovered at the knowledge distribution center 10, and thus knowledge may be distributed to each data integration system 20 through the sidecar system 30.
In the knowledge distribution system 100 shown in fig. 1, in the control plane 300, the knowledge distribution center 10 can store and manage all knowledge in one organization and define the knowledge. By employing service grid technology, a non-invasive sidecar system 30 is added to each data integration system 20. With this sidecar system 30, in the data plane 400, the cloud 500 and the data integration systems 20 of the edge side 600 can be registered at the knowledge distribution center 10, and each data integration system 20 can be found by the knowledge distribution center 10. The knowledge distribution center 10 distributes knowledge to the data integration system 20 by calling an application program interface (Application Programming Interface, API) of the side car system 30.
Here, the technology of the service grid is adopted, the sidecar system 30 is configured for each data integration system 20 located at the edge side 600 or the cloud 500 (sidecar), the knowledge distribution center 10 is placed on the control plane of the service grid, and the sidecar system 30 and the data integration system 20 connected with the sidecar system are placed on the data plane 400 of the service grid, so that the registration of the data integration system 20 and the forwarding of the knowledge distributed by the knowledge distribution center 10 to the data integration system 20 can be realized by using the sidecar system 30 on the premise of reducing the change of the data integration system 20 and the knowledge distribution center 10 as much as possible, and only the simple interaction between the data integration system 20 and the convenience car system 30 and the simple interaction between the sidecar system 30 and the knowledge distribution center 10 are required, so that the distribution of the knowledge to each data integration system 20 is realized.
Alternatively, the sidecar system 30 may acquire knowledge distributed by the knowledge distribution center 10 for the connected data integration system 20 in one of two ways.
Mode one subscription
The sidecar system 30 may subscribe to knowledge related to the data integration system 20 at the knowledge distribution center 10 for the connected data integration system 20, and then the knowledge distribution center 10 may publish knowledge related to the data integration system 20 subscribed to by the data integration system 20 while distributing knowledge in an organization, and the sidecar system 30 may forward knowledge related to the data integration system 20 subscribed to by the data integration system 20 published by the knowledge distribution center 10 to the data integration system 20.
Mode two, message forwarding
The data integration system 20 may send a first request message to the connected sidecar system 30 for requesting the knowledge distribution center 10 for the distributed knowledge related to the data integration system 20; the sidecar system 30 forwards the first request message to the knowledge distribution center 10; in this way, the knowledge distribution center 10 may send the distributed knowledge related to the data integration system 20 to the side cart system 30 in response to the first request message when there is knowledge related to the data integration system 20 to be distributed, and the side cart system 30 forwards the knowledge related to the data integration system 20 distributed by the knowledge distribution center 10 to the data integration system 20.
Alternatively, the knowledge distribution center 10 may provide an interface for construction and updating of knowledge. The interface may comprise a user interface or a device interface. Wherein the user interface is for a user to create or update knowledge and the device interface is for retrieving knowledge from other devices. The acquired knowledge may be uniformly managed by the knowledge distribution center 10 and further distributed to the respective data integration systems 20.
The knowledge distribution center 10 may receive knowledge updates from users in a number of ways, including the following:
mode one, user-specified updated knowledge is related to which data integration system or systems 20
In the second mode, the data integration system 20 notifies the knowledge distribution center 10 of which part of knowledge the knowledge distribution center itself is related to at the time of registration, and when the knowledge distribution center 10 determines that the updated knowledge is related to the part of the data integration system 20 registered at the time of user update of the knowledge, the knowledge is distributed to the data integration system 20.
Specifically, for the first mode, the knowledge distribution center 10, upon receiving a request message (referred to herein as a "second request message") for the user to update the knowledge, updates the knowledge in the organization in accordance with the second request message. And the user may indicate the data integration system 20 related to the updated knowledge through the first indication information in the second request message, the knowledge distribution center 10 may distribute the updated knowledge to the data integration system 20 indicated by the first indication information.
For mode two, the data integration system 20 may send a third request message upon registration at the knowledge distribution center 10 via the connected sidecar system 30 after start-up, the third request message may include second indication information for indicating that the data integration system 20 is related to the first portion of knowledge in the organization. And the sidecar system 30 forwards the third request message to the knowledge distribution center 10 when registering the connected data integration system 20 at the knowledge distribution center 10. The knowledge distribution center 10, upon receipt of the third request message, determines that the data integration system 20 is associated with the first portion of knowledge in the organization based on the second indication information, and upon receipt of a request from the user to update the knowledge (referred to herein as a "fourth request message"), updates the knowledge in the organization in accordance with the fourth request message, determines the data integration system 20 associated with the updated knowledge in accordance with the second indication information in the third request message at the time of registration of the respective data integration system 20, and distributes the updated knowledge to the determined data integration system 20 associated with the updated knowledge.
In the first manner described above, the user defines what portion of knowledge the data integration system 20 is associated with through the user interface. The user interface may be in the form of a graphical user interface (Graphic User Interface, GUI) or in the form of a configuration file.
In addition, knowledge distributed by the knowledge distribution center 10 is defined by a plurality of different versions of the semantic model, and a user can select a particular version of the semantic model. Specifically, the knowledge distribution center 10 receives a request message that a user selects a semantic model version, and defines knowledge in an organization using the semantic model of the version specified in the request message. Optionally, knowledge distribution center 10 may also notify data integration system 20 of the version of the semantic model used by the knowledge in the organization by sending a message to each of the sidecar systems 30. Of course, the user may not specify a version, and the knowledge distribution center 10 uses a semantic model of a default version to define knowledge. The knowledge distribution center 10 may use the same version of the semantic model for all the knowledge it distributes, or may use one version of the semantic model for part of the knowledge and another version of the semantic model for other parts of the knowledge. Here, flexible settings can be made for the needs of different data integration systems 20.
Further alternatively, the knowledge distribution center 10 may be further divided into: a knowledge management module 111, a registry 112, and a configuration center 113. Wherein the knowledge management module 111 can use a semantic model to manage knowledge throughout an organization. In addition, a version management system may be connected to manage the semantic model for multiple versions. The registry 112 is communicatively coupled to the truck systems 30 to enable registration of the data integration systems 20 so that the data integration systems 20 can be discovered so that the control plane knowledge distribution center 10 can discover the data integration systems 20 and route knowledge to the correct data integration system 20. The user may configure a particular semantic model via configuration center 113 and may select different versions of the semantic model. The knowledge defined by the semantic model is then distributed into the data integration system 20 by calling the APIs of the side car system 30.
In the data plane 400, the non-invasive cart system 30 provides the functionality to register for services in the control plane 300 and as a proxy to provide the functionality of route forwarding and flow control. The sidecar system 30 is decoupled from the implementation of the data integration system 20 independent of the logic of the knowledge distribution process in the embodiments of the present invention. The sidecar system 30 may be independent of the data integration system 20 or integrated into the data integration system 20. An exemplary architecture of the data integration system 20 with the sidecar system 30 may be as shown in fig. 7. The side car system 30 may implement a registration function 311a, a discovery function 311b, a route forwarding and flow control 312a, a configuration client 312b, and the like.
Fig. 2 shows a flow of a knowledge distribution method 200 provided by an embodiment of the invention. The method 200 may be performed by the knowledge distribution center 10, the sidecar system 30, and the data integration system 20 in the knowledge distribution system 100 shown in fig. 1. Specifically, the method 200 may include the steps of:
S201: each data integration system 20 is registered at the knowledge distribution center 10 through the own connected sidecar system 30.
Alternatively, the data integration system 20 may be registered at the knowledge distribution center 10 via the sidecar system 30 at start-up.
S202: the knowledge distribution center 10 accepts registration of each data integration system 20.
Here, the knowledge distribution center 10 may authenticate each data integration system 20 to determine whether to allow the data integration system 20 to register, and if so, record the identification (such as the identification uniformly managed and allocated for each data integration system 20, the name of the data integration system 20, etc.) and address information (such as an IP address) of the data integration system 20; if not, a rejection message may be returned to the data integration system 20 via the sidecar system 30, which may carry the reason for rejecting the registration.
S203: each of the side car systems 30 acquires knowledge distributed by the knowledge distribution center 10 for the data integration system 20 to which it is connected. As previously described, there are two ways in which the sidecar system 30 may obtain knowledge of the data integration system 20: mode one, subscription and mode two, message forwarding.
If mode one is adopted, step S203 may include the following sub-steps:
-S2031: the sidecar system 30 subscribes to knowledge related to the data integration system 20 at the knowledge distribution center 10 for the connected data integration system 20;
-S2032: the sidecar system 30 forwards to the connected data integration system 20 knowledge about the data integration system 20 that the data integration system 20 published by the knowledge distribution center 10 subscribes to.
In step S209, the knowledge distribution center 10 may issue knowledge about the data integration system 20 to which the data integration system 20 subscribes when distributing S209 the knowledge to the registered data integration system 20 through the side car system 30.
If the second mode is adopted, the step S203 may include the following sub-steps:
-S2033: the sidecar system 30 forwards to the knowledge distribution center 10a first request message from the connected data integration system 20 for requesting the knowledge distribution center 10 for distributed knowledge related to the data integration system 20;
-S2034: the sidecar system 30 forwards to the data integration system 20 knowledge related to the data integration system 20 distributed by the knowledge distribution center 10 in response to the first request message.
While in step S209, the knowledge distribution center 10 may distribute S209 the knowledge about the data integration system 20 in response to the above-described first request message when the knowledge distribution center 10 distributes S209 the knowledge to the registered data integration system 20 through the side car system 30.
Optionally, the knowledge distribution center 10 may also receive user updates to the knowledge. As previously mentioned, there are also two alternative ways of implementation: in one approach, the user specifies with which data integration system or systems 20 the updated knowledge is relevant; in the second mode, the data integration system 20 notifies the knowledge distribution center 10 of which part of knowledge the knowledge distribution center itself is related to at the time of registration, and when the knowledge distribution center 10 determines that the updated knowledge is related to the part of the data integration system 20 registered at the time of user update of the knowledge, the knowledge is distributed to the data integration system 20.
If mode one is employed, the method 200 may further include the steps of:
-S204: the knowledge distribution center 10 receives a second request message for updating the knowledge by the user, wherein the second request message includes first indication information, and the first indication information is used for indicating the data integration system 20 related to the updated knowledge;
-S205: the knowledge distribution center 10 updates the knowledge in the organization according to the second request message.
While in step S209, the knowledge distribution center 10 may distribute updated knowledge to the data integration system 20 indicated by the first indication information when distributing knowledge to the data integration system 20.
If the second mode is adopted, accordingly, in step S201, when each data integration system 20 registers at the knowledge distribution center 10 through the side car system 30 connected to itself, the data integration system 20 may send, to the knowledge distribution center 10 through the side car system 30 at the time of starting itself, a third request message registered at the knowledge distribution center 10, where the third request message includes second instruction information, where the second instruction information is used to instruct the data integration system 20 to be related to the first part of knowledge in the organization, and the side car system 30 forwards the third request message to the knowledge distribution center 10. When the knowledge distribution center 10 accepts the registration of each data integration system 20 in step S202, the knowledge distribution center 10 receives the third request message, and determines that the data integration system 20 is related to the first part of knowledge in the organization according to the second indication information in the third request message.
Accordingly, the method 200 may further comprise the steps of:
-S206: the knowledge distribution center 10 receives a fourth request message for updating knowledge of the user;
-S207: the knowledge distribution center 10 updates knowledge in the organization according to the fourth request message;
-S208: the knowledge distribution center 10 determines the data integration system 20 related to the updated knowledge according to the second indication information in the third request message when the respective data integration systems 20 are registered;
While in step S209, the knowledge distribution center 10 distributes knowledge to the registered data integration system 20 through the side car system 30, updated knowledge may be distributed to the determined data integration system 20 related to the updated knowledge.
Next, a knowledge distribution center 10 provided in an embodiment of the present invention is described with reference to fig. 3, a data integration system 20 provided in an embodiment of the present invention is described with reference to fig. 4, and a sidecar system 30 provided in an embodiment of the present invention is described with reference to fig. 5.
Fig. 3 is a schematic structural diagram of a knowledge distribution center 10 according to an embodiment of the present invention. The knowledge distribution center 10 may be implemented as a computer network including a plurality of computers, such as the knowledge management module 111, registry 112, and configuration center 113 described above, each of which may be implemented by one or more computers. Or may be implemented as a single computer, single chip or processing chip as shown in fig. 3, including at least one memory 101 comprising a computer readable medium such as Random Access Memory (RAM). The knowledge distribution center 10 further comprises at least one processor 102 coupled to the at least one memory 101. The computer executable code is stored in the at least one memory 101 and, when executed by the at least one processor 102, may cause the at least one processor 102 to perform the operations performed by the knowledge distribution center 10 described previously.
The at least one memory 101 shown in fig. 3 may contain a knowledge distribution program 11 that causes the at least one processor 102 to perform the knowledge distribution method 200 described in embodiments of the invention. As shown in fig. 3, the knowledge distribution program 11 on the knowledge distribution center 10 side may include: the aforementioned knowledge management module 111, registry 112, and configuration center 113. As shown in fig. 3, the operations performed by the modules are as follows:
a registration center 112 configured to accept the sidecar system 30 to register the data integration system 20 to which the sidecar system 30 is connected with the knowledge distribution center 10;
A configuration center 113 configured to distribute knowledge to registered data integration systems 20 via the sidecar system 30.
Alternatively, the configuration center 113, when distributing knowledge to registered data integration systems 20 via the sidecar system 30, may be specifically configured to: publishing knowledge about the data integration system to which the data integration system subscribes; or when there is knowledge related to the data integration system 20 to be distributed, the distributed knowledge related to the data integration system 20 is transmitted to the side car system 30 to which the data integration system 20 is connected in response to a first request message from the data integration system 20 for the data integration system 20 to request the knowledge distribution center 10 to distribute the knowledge related to the data integration system 20.
As previously described, knowledge distribution center 10 has a number of alternative implementations in receiving user updated knowledge. In one aspect, the knowledge management module 111 is configured to: receiving a second request message for updating the knowledge of the user, wherein the second request message comprises first indication information, and the first indication information is used for indicating a data integration system related to the updated knowledge; updating knowledge in the organization according to the second request message; and notifies the configuration center 113 of the knowledge update; the configuration center 113 is further configured to distribute updated knowledge to the data integration system indicated by the first indication information.
In the second aspect, when the receiving side vehicle system 30 registers the data integration system 20 connected to the side vehicle system 30 in the knowledge distribution center 10, the registration center 112 is specifically configured to: receiving a third request message from the data integration system 20 registered with the knowledge distribution center 10, wherein the third request message includes second indication information, and the second indication information is used for indicating that the data integration system is related to a first part of knowledge in an organization; a determination is made that the data integration system is associated with a first portion of knowledge in the organization based on the second indication information. And the knowledge management module 111 is configured to: receiving a fourth request message for updating knowledge of the user; updating knowledge in the organization according to the fourth request message; and notifies the configuration center 113 of the knowledge update; the configuration center 113 is further configured to: determining the data integration system 20 related to the updated knowledge according to the second indication information in the third request message when each data integration system 20 is registered; the configuration center 113, when distributing knowledge to registered data integration systems through the side car system, is specifically configured to: the updated knowledge is distributed to the determined data integration system associated with the updated knowledge.
In addition to the knowledge distribution program 11, the knowledge 12 may also be stored in the knowledge distribution center 10 in the form of a file or database.
The above-described modules included in the knowledge distribution program 11 on the knowledge distribution center 10 side may also be implemented by hardware for performing the operations of the knowledge distribution center 10 in performing the knowledge distribution method, such as burning control logic of the respective flows involved in the method into a chip such as a Field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA) chip or a complex Programmable logic device (Complex Programmable Logic Device, CPLD), and the functions of the above-described modules are performed by these chips or devices, and the specific implementation may depend on engineering practices.
In addition, knowledge distribution center 10 may include a communication module 103 for communicating with sidecar system 30 and other devices.
It should be mentioned that embodiments of the invention may include devices having architectures different from that shown in fig. 3. The above architecture is merely exemplary, and is used to explain the operation of the knowledge distribution center 10 side in the knowledge distribution method 200 provided in the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a data integration system 20 according to an embodiment of the invention. The data integration system 20 may be implemented as a network of computers, which may include multiple computers. Or may be implemented as a single computer, single chip or processing chip as shown in fig. 4, including at least one memory 201 comprising a computer readable medium such as Random Access Memory (RAM). The data integration system 20 also includes at least one processor 202 coupled to the at least one memory 201. The computer executable code is stored in the at least one memory 201 and, when executed by the at least one processor 202, may cause the at least one processor 202 to perform the operations previously described as being performed by the data integration system 20.
The at least one memory 201 shown in fig. 4 may contain a knowledge distribution program 21, so that the at least one processor 202 performs the operations on the data integration system 20 side in the knowledge distribution method 200 described in the embodiment of the present invention. As shown in fig. 4, the knowledge distribution program 21 may include: the registration module 211 and the knowledge acquisition module 212 are described above. As shown in fig. 4, the operations performed by the modules are as follows:
A registration module 211 configured to register the data integration system 20 at the knowledge distribution center 10 through the connected sidecar system 30;
a knowledge acquisition module 212 configured to acquire knowledge distributed by the knowledge distribution center 10 through the connected sidecar system 30.
Alternatively, when the knowledge is acquired by subscribing in the foregoing manner one, the knowledge acquisition module 212, when acquiring S203 the knowledge distributed by the knowledge distribution center 10 through the connected sidecar system 30, may be specifically configured to: subscribing to knowledge related to the data integration system 20 at the knowledge distribution center 10 through the connected sidecar system 30; knowledge related to the data integration system 20 issued by the knowledge distribution center 10 is received through the side car system 30.
Alternatively, when the knowledge is acquired through message forwarding in the aforementioned manner two, the knowledge acquisition module 212 may be specifically configured to, when acquiring S203 the knowledge distributed by the knowledge distribution center 10 through the connected sidecar system 30: transmitting a first request message to the knowledge distribution center 10 through the connected sidecar system 30, the first request message being used for requesting the knowledge distribution center 10 for the distributed knowledge related to the data integration system 20; knowledge related to the data integration system 20 distributed by the knowledge distribution center 10 in response to the first request message is received by the connected sidecar system 30.
Alternatively, the knowledge module 211, when registering the data integration system 20 at the knowledge distribution center 10 through the connected sidecar system 30, may be specifically configured to: a third request message registered at the knowledge distribution center 10 is sent to the knowledge distribution center 10 via the sidecar system 30 at start-up, the third request message including second indication information indicating that the data integration system 20 is related to the first part of the knowledge in the organization.
The above-described modules included in the knowledge distribution program 21 on the data integration system 20 side may also be implemented by hardware for performing the operations of the data integration system 20 in performing the knowledge distribution method, such as burning control logic of the flows involved in the method into a chip such as a Field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA) chip or a complex Programmable logic device (Complex Programmable Logic Device, CPLD), and the functions of the above-described modules are performed by these chips or devices, and the specific implementation may depend on engineering practices.
The data integration system 20 may further include a communication module 203 for communicating with the sidecar system 30 and other devices.
It should be mentioned that embodiments of the invention may include devices having architectures different from that shown in fig. 4. The above architecture is merely exemplary, and is used to explain the operation of the data integration system 20 side in the knowledge distribution method 200 provided in the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a sidecar system 30 according to an embodiment of the present invention. The sidecar system 30 may be implemented as a network of computers, which may include multiple computers. Or may be implemented as a single computer, single chip or processing chip as shown in fig. 5, including at least one memory 301 comprising a computer readable medium such as Random Access Memory (RAM). The sidecar system 30 also includes at least one processor 302 coupled with the at least one memory 301. The computer executable code is stored in the at least one memory 301 and, when executed by the at least one processor 302, may cause the at least one processor 302 to perform the operations performed by the truck system 30 described previously.
The at least one memory 301 shown in fig. 5 may contain a knowledge distribution program 31, causing the at least one processor 302 to perform operations on the side of the sidecar system 30 in the knowledge distribution method 300 described in embodiments of the invention. As shown in fig. 5, the knowledge distribution program 31 may include:
A registration module 311 configured to register the connected data integration system 20 at the knowledge distribution center 10;
A knowledge acquisition module 312 configured to acquire knowledge distributed by the knowledge distribution center 10 for the connected data integration system 20.
As previously described, two ways may be used by the sidecar system 30 to obtain knowledge for the data integration system 20: mode one, subscription, mode two, message forwarding.
When one is employed, the knowledge acquisition module 312, when acquiring updated knowledge for the connected data integration system 20, may be specifically configured to: subscribing to knowledge related to the data integration system 20 at the knowledge distribution center 10 for the connected data integration system 20; the knowledge about the data integration system 20 to which the data integration system 20 is subscribed, which is published by the knowledge distribution center 10, is forwarded to the connected data integration system 20.
When in mode two, the knowledge acquisition module 312, when acquiring updated knowledge for the connected data integration system 20, may be specifically configured to: forwarding to the knowledge distribution center 10 a first request message from the connected data integration system 20, the first request message being for requesting the knowledge distribution center 10 for distributed knowledge related to the data integration system 20; the knowledge related to the data integration system 20 distributed by the knowledge distribution center 10 in response to the first request message is forwarded to the data integration system 20.
Alternatively, the registration module 311, when registering the connected data integration system 20 at the knowledge distribution center 10, may be specifically configured to: forwarding a third request message from the connected data integration system 20 to the knowledge distribution center 10, the third request message including second indication information indicating that the data integration system 20 is related to the first part of the knowledge in the organization.
The above-described modules included in the knowledge distribution program 31 on the side of the sidecar system 30 may also be implemented by hardware for performing the operations of the sidecar system 30 in performing the knowledge distribution method, such as burning control logic of the processes involved in the method into a chip such as a Field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA) chip or a complex Programmable logic device (Complex Programmable Logic Device, CPLD), and the functions of the above-described modules are performed by these chips or devices, and the specific implementation may depend on engineering practices.
The sidecar system 30 may also include a communication module 303 for communicating with the data integration system 20, the knowledge distribution center 10, and other devices.
It should be mentioned that embodiments of the invention may include devices having architectures different from that shown in fig. 5. The above architecture is merely exemplary, and is used to explain the operation of the side cart system 30 side in the knowledge distribution method 300 provided by the embodiment of the present invention.
The at least one processor 102, 202, 302 may include a microprocessor, an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a state machine, or the like. Examples of computer readable media include, but are not limited to, floppy diskettes, CD-ROMs, magnetic disks, memory chips, ROM, RAM, ASIC, configured processors, all-optical media, all-magnetic tape, or any other magnetic media, or any other media from which a computer processor can read code. In addition, various other forms of computer-readable media may transmit or carry code to a computer, including routers, private or public networks, or other wired and wireless transmission devices or channels. The code may include code in any computer programming language, including C, C ++, the C language, visual Basic, java, and JavaScript.
It should be noted that the sidecar system 30 may be disposed as a software module in the data integration system 20, rather than being implemented as a separate computer network or computer device.
Fig. 6 illustrates a knowledge distribution method 800 provided by a further embodiment of the invention. As shown in fig. 6, the method 800 may include the steps of:
S801: the user creates knowledge through the knowledge management module 111 of the knowledge distribution center 10, which can be stored as a file or database.
S802: the data integration system 20 is started.
S803: when data integration system 20, a message is sent to sidecar system 30 to register at knowledge distribution center 10.
S804: the sidecar system 30 registers the data integration system 20 with the registry 112 of the knowledge distribution center 10 so that the data integration system 20 can be discovered by other data integration systems 20.
S805: the data integration system 20 sends a subscription knowledge update message to the sidecar system 30 to subscribe to knowledge through the sidecar system 30 to the configuration center 113. In method 800, the sidecar system 30 adopts the first and subscription methods described above when acquiring knowledge for the data integration system 20; of course, the sidecar system 30 may also use the second mode and message forwarding to acquire knowledge of the data integration system 20.
S806: the sidecar system 30 sends a subscription knowledge update message to the configuration center 113 of the knowledge distribution center 10 for the data integration system 20. Such that the data integration system 20 can acquire newly created or updated knowledge in real-time. Data integration system 20 may periodically send messages to obtain knowledge.
S807: the user selects a version of the semantic model for expressing knowledge at the configuration center 113 through a GUI or a configuration file.
S808: the configuration center 113 issues version information of the selected semantic model.
S809: the user updates the knowledge at the knowledge management module 111 via a GUI or profile.
S810: the knowledge management module 111 stores updated knowledge.
S811: the knowledge management module 111 sends a knowledge update event to the configuration center 113.
S812: the configuration center 113 issues updated knowledge.
S801: the configuration center 113 issues updated knowledge.
S813: the data integration system 20 sends a message to the sidecar system 30 to acquire knowledge.
S814: the sidecar system 30 sends a message to the configuration center 113 to acquire knowledge.
S815: the user consumes data on the data integration system 20.
Embodiments of the present invention also provide a computer readable medium having computer readable code stored thereon; and a computer program product comprising computer readable code. The computer readable code, when executed by a processor, implements the operations of the knowledge distribution center 10, the sidecar system 30, or the data integration system 20 side of the method 200. Examples of a computer readable medium include a floppy disk, a hard disk, a magneto-optical disk, an optical disk (e.g., CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), a magnetic tape, a nonvolatile memory card, and a ROM. Alternatively, the computer readable code may be downloaded from a server computer or cloud by a communications network.
It should be noted that not all the steps and modules in the above flowcharts and the system configuration diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution sequence of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or may be implemented jointly by some components in multiple independent devices.

Claims (28)

  1. A knowledge distribution system (100), comprising:
    -a knowledge distribution center (10) configured to distribute knowledge in an organization;
    -at least one data integration system (20), each data integration system (20) being configured for data integration of a connected device or system in the organization;
    -at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), each sidecar system (30) being configured to:
    -registering the connected data integration system (20) at the knowledge distribution center (10);
    -obtaining knowledge distributed by the knowledge distribution center (10) for the connected data integration system (20);
    Wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, and the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid.
  2. The knowledge distribution system (100) of claim 1, wherein,
    -The sidecar system (30), when acquiring knowledge distributed by the knowledge distribution center (10) for the connected data integration system (20), is specifically configured to: subscribing, at the knowledge distribution center (10), for a connected data integration system (20) to knowledge related to the data integration system (20);
    -the knowledge distribution center (10), when distributing knowledge in the organization, is specifically configured to: publishing knowledge about the data integration system (20) subscribed to by the data integration system (20);
    -the sidecar system (30), when acquiring knowledge distributed by the knowledge distribution center (10) for the connected data integration system (20), is further configured to:
    -forwarding to a connected data integration system (20) knowledge related to said data integration system (20) subscribed to by said data integration system (20) published by said knowledge distribution center (10).
  3. The knowledge distribution system (100) of claim 1, wherein,
    -The data integration system (20) is further configured to: -sending a first request message to the connected sidecar system (30), the first request message being for requesting the knowledge related to the data integration system (20) for distribution to the knowledge distribution center (10);
    -the sidecar system (30), when acquiring knowledge distributed by the knowledge distribution center (10) for the connected data integration system (20), is specifically configured to: forwarding the first request message to the knowledge distribution center (10);
    -the knowledge distribution center (10), when distributing knowledge in the organization, is specifically configured to: transmitting, in response to the first request message, distributed knowledge related to the data integration system (20) to the sidecar system (30) when there is knowledge related to the data integration system (20) to be distributed;
    -the sidecar system (30), when acquiring knowledge distributed by the knowledge distribution center (10) for the connected data integration system (20), is further specifically configured to: forwarding knowledge related to the data integration system (20) distributed by the knowledge distribution center (10) to the data integration system (20).
  4. The knowledge distribution system (100) of claim 1, wherein,
    -The knowledge distribution center (10) is further configured to:
    -receiving a second request message for updating knowledge of the user, wherein the second request message comprises first indication information for indicating a data integration system (20) related to the updated knowledge;
    -updating knowledge in the organization in accordance with the second request message;
    -the knowledge distribution center (10), when distributing knowledge in the organization, is specifically configured to: -distributing updated knowledge to the data integration system (20) indicated by the first indication information.
  5. The knowledge distribution system (100) of claim 1, wherein,
    -The data integration system (20) is further configured to: transmitting a third request message registered at the knowledge distribution center (10) to the connected sidecar system (30) at start-up, wherein the third request message comprises second indication information, and the second indication information is used for indicating that the data integration system (20) is related to a first part of knowledge in the organization;
    -the sidecar system (30), upon registering the connected data integration system (20) at the knowledge distribution center (10), is specifically configured to: forwarding the third request message to the knowledge distribution center (10);
    -the knowledge distribution center (10) is further configured to:
    -receiving the third request message;
    -determining from the second indication information that the data integration system (20) is related to the first portion of knowledge in the organization.
  6. The knowledge distribution system (100) as claimed in claim 5, wherein,
    -The knowledge distribution center (10) is further configured to:
    -receiving a fourth request message for user updated knowledge;
    -updating knowledge in said organization in accordance with said fourth request message;
    -determining data integration systems (20) related to the updated knowledge according to the second indication information in the third request message at registration of the respective data integration system (20);
    -the knowledge distribution center (10), when distributing knowledge in the organization, is specifically configured to: the updated knowledge is distributed to the determined data integration system (20) associated with the updated knowledge.
  7. A knowledge distribution method (200), characterized in that the method is applied in a side car system (30) in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one data integration system (20) configured to data integrate connected devices or systems in the organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the knowledge distribution method (200) comprising:
    -registering (S201) the connected data integration system (20) at the knowledge distribution center (10);
    -obtaining (S203) knowledge distributed by the knowledge distribution center (10) for the connected data integration system (20).
  8. The knowledge distribution method (200) of claim 7, wherein obtaining (S203) updated knowledge of the knowledge distribution center (10) for the connected data integration system (20), comprises:
    -subscribing (S2031) at the knowledge distribution center (10) to knowledge related to the data integration system (20) for the connected data integration system (20);
    -forwarding (S2032) to a connected data integration system (20) knowledge related to the data integration system (20) to which the data integration system (20) published by the knowledge distribution center (10) subscribes.
  9. The knowledge distribution method (200) of claim 7, wherein obtaining (S203) updated knowledge of the knowledge distribution center (10) for the connected data integration system (20), comprises:
    -forwarding (S2033) to the knowledge distribution center (10) a first request message from the connected data integration system (20), the first request message being for requesting the knowledge distribution center (10) for distributed knowledge related to the data integration system (20);
    -forwarding (S2034) knowledge related to the data integration system (20) distributed by the knowledge distribution center (10) in response to the first request message to the data integration system (20).
  10. The knowledge distribution method (200) of claim 7, wherein registering (S201) the connected data integration system (20) at the knowledge distribution center (10), comprises:
    -forwarding a third request message from the connected data integration system (20) to the knowledge distribution center (10), the third request message comprising second indication information indicating that the data integration system (20) is related to a first part of the knowledge in the organization.
  11. A knowledge distribution method (200), characterized in that the method is applied in a knowledge distribution center (10) in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one data integration system (20) configured to data integrate connected devices or systems in the organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the knowledge distribution method (200) comprising:
    -accepting (S202) that the sidecar system (30) registers at the knowledge distribution center (10) a data integration system (20) to which the sidecar system (30) is connected;
    -distributing (S209) knowledge to the registered data integration system (20) by the sidecar system (30).
  12. The method (200) of claim 11, wherein distributing (S209) knowledge to the registered data integration system (20) by the sidecar system (30) comprises:
    -publishing knowledge about the data integration system (20) to which the data integration system (20) is subscribed.
  13. The method (200) of claim 11, wherein distributing (S209) knowledge to the registered data integration system (20) by the sidecar system (30) comprises:
    -when there is knowledge related to the data integration system (20) to distribute, sending distributed knowledge related to the data integration system (20) to a side car system (30) to which the data integration system (20) is connected in response to a first request message from the data integration system (20), wherein the first request message is for the data integration system (20) to request distribution of knowledge related to the data integration system (20) to the knowledge distribution center (10).
  14. The method (200) of claim 11, wherein,
    -The method further comprises:
    -receiving (S204) a second request message for user update of knowledge, wherein the second request message comprises first indication information for indicating a data integration system (20) related to the updated knowledge;
    -updating (S205) knowledge in said organization in accordance with said second request message;
    -distributing (S209) knowledge to the registered data integration system (20) by the sidecar system (30), comprising:
    -distributing updated knowledge to the data integration system (20) indicated by the first indication information.
  15. The method (200) of claim 11, wherein accepting (S202) the sidecar system (30) to register the data integration system (20) to which the sidecar system (30) is connected at the knowledge distribution center (10), comprises:
    -receiving a third request message from the data integration system (20) registered with the knowledge distribution center (10), wherein the third request message comprises second indication information for indicating that the data integration system (20) is related to a first part of the knowledge in the organization;
    -determining from the second indication information that the data integration system (20) is related to the first portion of knowledge in the organization.
  16. The method (200) of claim 15, wherein,
    -The method further comprises:
    -receiving (S206) a fourth request message for user update knowledge;
    -updating (S207) knowledge in said organization in accordance with said fourth request message;
    -determining (S208) the data integration system (20) related to the updated knowledge in accordance with the second indication information in the third request message at registration of the respective data integration system (20);
    -distributing (S209) knowledge to the registered data integration system (20) by the sidecar system (30), comprising:
    -distributing the updated knowledge to the determined data integration system (20) related to the updated knowledge.
  17. A knowledge distribution method (200) for use in a data integration system (20) in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one of the data integration systems (20) configured to data integrate devices or systems in the connected organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the knowledge distribution method (200) comprising:
    -registering (S201) the data integration system (20) at the knowledge distribution center (10) by means of the connected sidecar system (30);
    -acquiring (S203) knowledge distributed by the knowledge distribution center (10) through the connected sidecar system (30).
  18. The method (200) of claim 17, wherein obtaining (S203) knowledge distributed by the knowledge distribution center (10) via the connected sidecar system (30) comprises:
    -subscribing (S2031) at the knowledge distribution center (10) to knowledge related to the data integration system (20) by means of the connected sidecar system (30);
    -receiving (S2032), by the sidecar system (30), knowledge related to the data integration system (20) issued by the knowledge distribution center (10).
  19. The method (200) of claim 17, wherein obtaining (S203) knowledge distributed by the knowledge distribution center (10) via the connected sidecar system (30) comprises:
    -sending (S2033) a first request message to the knowledge distribution center (10) via the connected sidecar system (30), the first request message being for requesting the knowledge distribution center (10) for distributed knowledge related to the data integration system (20);
    -receiving (S2034), by the connected sidecar system (30), knowledge related to the data integration system (20) distributed by the knowledge distribution center (10) in response to the first request message.
  20. The method (200) of claim 17, wherein registering (S201) the data integration system (20) at the knowledge distribution center (10) by the connected sidecar system (30) comprises:
    -sending a third request message registered at the knowledge distribution center (10) to the knowledge distribution center (10) via the side car system (30) at start-up, the third request message comprising second indication information for indicating that the data integration system (20) is related to a first part of the knowledge in the organization.
  21. A sidecar system (30), wherein the sidecar system (30) is located in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one data integration system (20) configured to data integrate connected devices or systems in the organization; at least one of the sidecar systems (30), wherein one of the sidecar systems (30) is connected to one of the data integration systems (20), wherein the knowledge distribution center (10) is located at a control plane (300) in the service grid, the at least one data integration system (20) and the sidecar system (30) to which each of the data integration systems (20) is connected are located at a data plane (400) in the service grid, the sidecar system (30) comprising: a module for performing the steps of the method according to any one of claims 7 to 10.
  22. A knowledge distribution center (10), characterized in that the knowledge distribution center (10) is located in a knowledge distribution system (100), the knowledge distribution system (100) comprising: -the knowledge distribution center (10) configured to distribute knowledge in an organization; at least one data integration system (20) configured to data integrate connected devices or systems in the organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the knowledge distribution center (10) comprising modules for performing the steps of the method according to any of claims 11-16.
  23. A data integration system (20), wherein the data integration system (20) is located in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one of the data integration systems (20) configured to data integrate devices or systems in the connected organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the knowledge distribution center (10) comprising modules for performing the steps of the method according to any one of claims 17-20.
  24. A sidecar system (30), wherein the sidecar system (30) is located in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one data integration system (20) configured to data integrate connected devices or systems in the organization; at least one of the sidecar systems (30), wherein one of the sidecar systems (30) is connected to one of the data integration systems (20), wherein the knowledge distribution center (10) is located at a control plane (300) in the service grid, the at least one data integration system (20) and the sidecar system (30) to which each of the data integration systems (20) is connected are located at a data plane (400) in the service grid, the sidecar system (30) comprising:
    At least one memory (301) configured to store computer readable code;
    At least one processor (302) configured to invoke the computer readable code to perform the steps of the method according to any of claims 7-10.
  25. A knowledge distribution center (10), characterized in that the knowledge distribution center (10) is located in a knowledge distribution system (100), the knowledge distribution system (100) comprising: -the knowledge distribution center (10) configured to distribute knowledge in an organization; at least one data integration system (20) configured to data integrate connected devices or systems in the organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the knowledge distribution center (10) comprising:
    at least one memory (101) configured to store computer readable code;
    at least one processor (102) configured to invoke the computer readable code to perform the steps of the method according to any of claims 11-16.
  26. A data integration system (20), wherein the data integration system (20) is located in a knowledge distribution system (100), the knowledge distribution system (100) comprising: a knowledge distribution center (10) configured to distribute knowledge in an organization; at least one of the data integration systems (20) configured to data integrate devices or systems in the connected organization; at least one sidecar system (30), wherein one sidecar system (30) is connected to one data integration system (20), wherein the knowledge distribution center (10) is located at a control plane (300) in a service grid, the at least one data integration system (20) and the sidecar system (30) to which each data integration system (20) is connected are located at a data plane (400) in the service grid, the data integration system (20) comprising:
    At least one memory (201) configured to store computer readable code;
    At least one processor (202) configured to invoke the computer readable code to perform the steps of the method of any of claims 17-20.
  27. A computer readable medium having computer readable code stored thereon, which when executed by a processor causes the processor to perform the steps of the method according to any of claims 7 to 20.
  28. A computer program product comprising computer readable code which, when executed by a processor, implements the steps of the method according to any one of claims 7 to 20.
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