WO2016095360A1 - 物联网本体模型处理方法及装置 - Google Patents

物联网本体模型处理方法及装置 Download PDF

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Publication number
WO2016095360A1
WO2016095360A1 PCT/CN2015/075424 CN2015075424W WO2016095360A1 WO 2016095360 A1 WO2016095360 A1 WO 2016095360A1 CN 2015075424 W CN2015075424 W CN 2015075424W WO 2016095360 A1 WO2016095360 A1 WO 2016095360A1
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entity
ontology model
semantic
message
resource
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PCT/CN2015/075424
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English (en)
French (fr)
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李秋婷
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中兴通讯股份有限公司
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for processing an Internet of Things ontology model.
  • the Internet of Things business is growing rapidly, and it is gradually developed from the traditional vertical application to the horizontal application. That is, the Internet of Things system integrates large-scale applications of various industries and manages various industry equipment by constructing a unified Internet of Things platform.
  • applications and devices in different industries are heterogeneous, and applications cannot understand device data. This situation makes device information sharing and interoperability impossible.
  • the concept of ontology is introduced in the Internet of Things.
  • the ontology is used to describe the relationship between concepts and concepts in a certain domain, so that these concepts and connections are There is a clear and unique definition within the scope of sharing, and a consensus is reached so that people and machines can communicate.
  • Semantic annotation is added to the various entities and data in the Internet of Things through the ontology model. Semantic annotation refers to both a set of metadata and the generation process of these metadata. The resource is labeled with machine-understandable metadata from the ontology.
  • Various concepts are used to describe the relationship between concepts and concepts in a certain domain, so that these concepts and connections are There is a clear and unique definition within the scope of sharing, and a consensus is reached so that people and machines can communicate.
  • Semantic annotation is added to the various entities and data in the Internet of Things through the ontology model. Semantic annotation refers to both a set of metadata and the generation process of these metadata. The resource is labeled with machine-understandable metadata from
  • the embodiments of the present invention provide an Internet of Things ontology model processing method and apparatus, so as to at least solve the problem that the ontology model is not effectively managed in the related art.
  • an Internet of Things ontology model processing method including: an Internet of Things platform stores an ontology model by means of resources, wherein the resources include a parent resource and a child resource, and the parent resource is aggregated. All of the ontology models supported by the Internet of Things system, the sub-resources are used to describe attribute information of the ontology model.
  • the attribute information of the ontology model includes at least one of the following: a name of the ontology model, content information describing a concept of the ontology model, a storage address of a complete constituent element of the ontology model, a domain to which the ontology model belongs, and an ontology model The namespace, the author of the ontology model.
  • the method further includes: receiving a retrieval operation from the application entity; and sending attribute information of the parent resource and the child resource of the ontology model requested by the retrieval operation to The application entity, wherein the attribute information of the sub-resource includes a storage address of a complete constituent element of the ontology model, and is used to provide the application entity with a complete description of the requested ontology model.
  • the method further includes: receiving a registration request of the device entity or the application entity; according to the device entity carried in the registration request or the identity of the application entity The information or the name information is used to determine an ontology model corresponding to the device entity or the application entity; and the entity resource generated by the device entity or the application entity is performed by adding an attribute or a resource according to the determined ontology model. Semantic annotation.
  • performing semantic annotation on the entity resource generated by the device entity or the application entity includes: generating a semantic description of the entity resource and a storage address of the determined ontology model.
  • determining an ontology model corresponding to the device entity or the application entity according to the identity information or the name information of the device entity or the application entity carried in the registration request; and adding the attribute or the resource according to the determined ontology model Semantic labeling of the entity resource generated by the device entity or the application entity includes: performing semantic reasoning according to the identity information or the name information of the device entity or the application entity carried in the registration request. Selecting, in the ontology model of the Internet of Things platform management, an ontology model applicable to the device entity or the application entity; performing semantic annotation on the entity resource generated by the device entity or the application entity according to the complete description of the ontology model .
  • the method further includes: receiving a semantic operation-based message sent by the device entity or the application entity, where the message
  • the semantic parameters are carried in, and the semantic operations include: semantic query and/or device entity operation; performing semantic-based processing on the message.
  • performing semantic-based processing on the message includes: parsing and extracting a keyword of the semantic query message; and determining an inference rule according to the Internet of Things system Attribute information of the ontology model, determining query information corresponding to the keyword; generating, according to the query information, a query statement supported by the Internet of Things platform; and querying corresponding information by using the query statement.
  • performing semantic-based processing on the message includes: parsing and extracting a keyword of the device entity operation message; and reasoning according to the Internet of Things system definition Attribute information of the rule and the ontology model, determining an operation action indicated by the device entity corresponding to the keyword and the operation message of the device entity; generating the device entity support according to an operation action indicated by the device entity and the device entity operation message An operation instruction; sending the operation instruction to the device entity.
  • the device entity is determined according to the device entity address; if the device entity operation message does not carry the device entity address, And determining, according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model, the device entity, and acquiring the device entity address.
  • an apparatus for processing an object on the Internet which is disposed on an Internet of Things platform, and includes: a storage module, configured to store an ontology model by using a resource, where the resource includes a parent resource and a child resource, the parent resource is a collection of all the ontology models supported by the Internet of Things system, and the child resources are used to describe attribute information of the ontology model.
  • the attribute information of the ontology model includes at least one of the following: a name of the ontology model, content information describing a concept of the ontology model, a storage address of a complete constituent element of the ontology model, a domain to which the ontology model belongs, and an ontology model The namespace, the author of the ontology model.
  • the device further includes: a receiving module, configured to receive a retrieval operation from the application entity;
  • a sending module configured to send attribute information of a parent resource and a child resource of the ontology model requested by the retrieval operation to the application entity, where the attribute information of the child resource includes a storage address of a complete constituent element of the ontology model, Providing the application entity with a complete description of the requested ontology model.
  • the device further includes: a receiving module, configured to receive a registration request of the device entity or the application entity; and a determining module, configured to be based on the device entity or the identity information or the name of the application entity carried in the registration request Determining, by the information entity, an ontology model corresponding to the device entity or the application entity; the semantic tagging module is configured to generate, according to the determined ontology model, the device entity or the application entity by adding attributes or resources Entity resources are semantically annotated.
  • the semantic annotation module is further configured to: generate a semantic description of the entity resource and a storage address of the determined ontology model.
  • the determining module is further configured to: according to the identity information or the name information of the device entity or the application entity carried in the registration request, the ontology model managed by the Internet of Things platform by semantic reasoning An ontology model suitable for the device entity or the application entity is selected; the semantic tagging module is further configured to semantically mark the entity resource generated by the device entity or the application entity according to the complete description of the ontology model.
  • the device further includes: a receiving module, configured to receive a semantic operation-based message sent by the device entity or the application entity, where the message carries a semantic parameter, where the semantic operation includes: a semantic query and/or Or a device entity operation; a processing module configured to perform semantic-based processing on the message.
  • a receiving module configured to receive a semantic operation-based message sent by the device entity or the application entity, where the message carries a semantic parameter, where the semantic operation includes: a semantic query and/or Or a device entity operation
  • a processing module configured to perform semantic-based processing on the message.
  • the processing module includes: a first parsing unit, configured to parse and extract a keyword of the semantic query message; and a first determining unit, configured to Determining the inference rule defined by the Internet of Things system and the attribute information of the ontology model, and determining the query information corresponding to the keyword; the first generating unit is configured to generate the query statement supported by the Internet of Things platform according to the query information; The unit is set to query the corresponding information through the query statement.
  • the processing module includes: a second parsing unit configured to parse and extract a keyword of the device entity operation message; and a second determining unit, configured to Determining, according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model, an operation action indicated by the device entity corresponding to the keyword and the operation message of the device entity; and the second generating unit is configured to be based on the device entity and the An operation action indicated by the device entity operation message is generated, and an operation instruction supported by the device entity is generated; and a sending unit is configured to send the operation instruction to the device entity.
  • the device further includes an address determining module, configured to determine, according to the device entity address, the device entity, where the device entity operation message carries a device entity address, and operate the message at the device entity If the device entity address is not carried, the device entity is determined according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model, and the device entity address is obtained.
  • an address determining module configured to determine, according to the device entity address, the device entity, where the device entity operation message carries a device entity address, and operate the message at the device entity If the device entity address is not carried, the device entity is determined according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model, and the device entity address is obtained.
  • the ontology model of the Internet of Things platform is stored by using a resource, where the resource includes a parent resource and a child resource, and the parent resource aggregates all the ontology models supported by the Internet of Things system.
  • the sub-resource is used to describe the attribute information of the ontology model, and solves the problem that the ontology model is not effectively managed in the related art, thereby providing a management method of the ontology model.
  • FIG. 1 is a schematic flow chart of a method for processing an ontology model of an Internet of Things platform according to an embodiment of the present invention
  • FIG. 2 is a first schematic structural diagram 1 of an Internet of Things ontology model processing apparatus according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram 2 of a preferred structure of an Internet of Things ontology model processing apparatus according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram 3 of a preferred structure of an Internet of Things ontology model processing apparatus according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an apparatus for implementing a semantic internet of things system according to a preferred embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of resources of an ontology model created according to a preferred embodiment of the present invention.
  • FIG. 7 is a flow chart showing a semantics-based device entity or application entity registration process in accordance with a preferred embodiment of the present invention.
  • FIG. 8 is a flow chart showing a semantic-based query flow according to a preferred embodiment of the present invention.
  • FIG. 9 is a flow diagram of a semantic device entity operational flow in accordance with a preferred embodiment of the present invention.
  • the embodiment of the invention provides a semantic-based Internet of Things system.
  • the system architecture is based on the current resource-oriented architecture, that is, all entities in the system are regarded as resources, such as application entities, functional entities, data entities, etc. Operations on resources to implement operations on various types of entities.
  • Semantic-based IoT system realizes data sharing between different devices and applications by creating and managing IoT-related ontology as resources in the system, and adding semantic information or data to existing resources in the system for semantic annotation. Rapid deployment of IoT services.
  • An embodiment of the present invention provides an Internet of Things ontology model processing method, where the process includes the following steps:
  • Step S102 The Internet of Things platform stores the ontology model by means of resources, wherein the resource includes a parent resource and a child resource, and the parent resource aggregates all ontology models supported by the Internet of Things system, and the child resource is used to describe attribute information of the ontology model.
  • the ontology model supported by the Internet of Things system is used to describe the management method of the Internet of Things ontology model, which is beneficial to the sharing and management of the ontology model resources.
  • the above IoT system is a resource-oriented architecture.
  • Various entities such as application entities, functional entities, data entities, etc.
  • entities are represented in the form of resources, and each resource is located by a unique identifier.
  • the Internet of Things platform creates a resource description ontology model supported by the Internet of Things system, and the resource is a parent resource. Create several sub-resources under the parent resource to describe the basic information of the ontology model. One of the above sub-resources can describe only one ontology model.
  • the attribute information of the ontology model includes at least one of the following: a name of the ontology model, content information describing a concept of the ontology model, a storage address of a complete constituent element of the ontology model, a domain to which the ontology model belongs, and a namespace to which the ontology model belongs The author of the ontology model.
  • the properties of a child resource include one of the properties shown in the following table:
  • the embodiment further provides a method for the application entity to retrieve the ontology model information, including: receiving a retrieval operation from the application entity; and sending the attribute information of the parent resource and the child resource of the ontology model requested by the retrieval operation to the application entity, where
  • the attribute information of the sub-resource includes a storage address of the complete constituent element of the ontology model for providing the application entity with a complete description of the requested ontology model.
  • the Internet of Things application entity sends a retrieval operation to the Internet of Things platform to obtain attribute information of the parent resource and its child resources, and the Internet of Things application entity obtains a complete description of the ontology model by using the ontology storage address in the attribute information, the complete Description provides more semantic information for IoT applications.
  • FIG. 1 is a schematic flowchart of a method for processing an ontology model of an Internet of Things platform according to an embodiment of the present invention. As shown in FIG. 1 , preferably, the process includes the following steps:
  • Step S102 The Internet of Things platform stores the ontology model by means of resources, wherein the resource includes a parent resource and a child resource, and the parent resource aggregates all ontology models supported by the Internet of Things system, and the child resource is used to describe attribute information of the ontology model;
  • Step S104 Receive a registration request of a device entity or an application entity.
  • Step S106 Determine an ontology model corresponding to the device entity or the application entity according to the identity information or the name information of the device entity or the application entity carried in the registration request.
  • Step S108 Perform semantic labeling on the entity resource generated by the device entity or the application entity by adding an attribute or a resource according to the determined ontology model.
  • the application entity or the Internet of Things platform adds a property or resource to semantically describe the resource generated by the device entity or the application entity registered on the Internet of Things platform according to the ontology model corresponding to the foregoing sub-resource, and the added attribute or resource description As shown in the following table:
  • the semantic description information of the entity resource may be generated, and the storage address of the determined ontology model is simultaneously generated.
  • the semantic annotation of the entity resource is realized by means of semantic description information and the storage address of the ontology model.
  • the IoT platform may determine the ontology model corresponding to the entity according to the identity information or the name information of the entity carried in the registration request, and according to the ontology model Generate the semantic description of the entity and the storage address of the ontology model.
  • the device entity or the application entity sends a registration request to the Internet of Things platform, and the registration request includes the identity or name of the entity, such as a smart home application, a temperature sensing device, etc.; the ontology and semantic module of the Internet of Things platform is based on the identity or name of the entity.
  • the information determines the corresponding ontology model, and generates a semantic description and an ontology address.
  • the Internet of Things platform may select the ontology model managed by the Internet of Things platform through semantic reasoning according to the identity information or name information of the device entity or the application entity carried in the registration request.
  • the ontology and semantic module of the Internet of Things platform selects an ontology model applicable to the entity in its managed ontology model according to the identity or name of the entity, and obtains the learned ontology model through the ontology storage address in the above-mentioned sub-resource.
  • the entity may perform a semantic query or a related operation of the remote device entity through the message based on the semantic operation.
  • the networking platform receives the semantic operation-based message sent by the entity, where the message carries a semantic parameter, the semantic operation includes: a semantic query and/or a remote device entity operation; and the Internet of Things platform performs semantic-based processing on the message.
  • performing semantic-based processing on the message includes: parsing and extracting a keyword of the semantic query message; determining a keyword according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model Corresponding query information; according to the query information, generating a query statement supported by the Internet of Things platform; querying the corresponding information through the query statement.
  • the Internet of Things platform parses out the message as a query operation message, and the message has semantic parameters
  • the ontology and semantic module of the Internet of Things platform will process the message content, and the module extracts keywords in the content, according to the object.
  • the inference rules defined by the networked system and the corresponding ontology model analyze the specific information to be queried by the IoT application entity, and according to the analysis result, the specific message statement of the IoT platform can be identified, and the information is queried in the semantic database;
  • the query statement in the content is in accordance with the format supported by the IoT platform, and the ontology and semantic module can directly query the semantic database without parsing; further, the keyword extracted from the message content according to the ontology and semantic module, through the inference rule and the ontology model Match and choose the appropriate ontology model.
  • performing semantic-based processing on the message includes: parsing and extracting a keyword of the remote device entity operation message; and inferring rules and an ontology model according to the Internet of Things system definition
  • the attribute information is used to determine an operation action indicated by the remote device entity and the remote device entity operation message corresponding to the keyword; and the operation instruction supported by the remote device entity is generated according to the operation action indicated by the remote device entity and the remote device entity operation message ; Send an operation command to the remote device entity.
  • the ontology and semantic module of the Internet of Things platform processes the message content; the ontology and semantic module parses the message content and extracts the message.
  • Key words according to the inference rules and ontology model defined by the Internet of Things system, analyze the specific remote device entity and specific operation actions to be operated, and synthesize the specific message statement of the remote device entity identifiable format according to the analysis result.
  • the remote device entity is a registered trademark of the Internet of Things.
  • the remote device entity that needs to operate the remote device entity operation message is determined according to the remote device entity address carried in the remote device entity operation message, where the remote device entity operation message carries the remote device
  • the remote device entity is determined according to the remote device entity address; if the remote device entity operation message does not carry the remote device entity address, the inference rule and the ontology model attribute defined according to the Internet of Things system Information, determine the remote device entity, and obtain the remote device entity address.
  • the final receiving address in the message may be a specific remote device entity address or an address of the root resource of the Internet of Things platform; when the final receiving address of the message is the root resource address of the Internet of Things platform, it indicates that there is no message content.
  • the ontology and semantic module first analyze which type of equipment needs to be operated, and then according to the needs
  • the device type and other conditions to be operated are queried in the semantic database to obtain the specific address and operation mode of the remote device entity, and then analyze the specific operation of the specific remote device entity.
  • the ontology and semantic modules are based on the analysis result.
  • the obtained message synthesizes a specific message statement and sends out; when the final receiving address of the message is a specific remote device entity address, the ontology and the semantic module analyze the specific operation of the remote device entity, and the ontology and semantic module according to the analysis result Synthesize specific message statements are sent out.
  • the Internet of Things platform triggers semantic processing according to semantic parameters.
  • the semantic operation results are semantically annotated according to the ontology model, such as semantically annotating the data of the semantic query.
  • the embodiment of the invention further provides an Internet of Things ontology model processing device, which is deployed on an Internet of Things platform, and the device can be configured to implement the above-described Internet of Things ontology model processing method.
  • the device includes: a storage module 22, configured to store the ontology model by means of resources, wherein the resource includes a parent resource and a child resource, the parent resource aggregates all ontology models supported by the Internet of Things system, and the child resource is used to describe the attribute of the ontology model. information.
  • IoT ontology model processing device described in the device embodiment corresponds to the foregoing method embodiment, and the specific implementation process has been described in detail in the method embodiment, and details are not described herein again.
  • the attribute information of the ontology model includes at least one of the following: a name of the ontology model, content information describing a concept of the ontology model, a storage address of a complete constituent element of the ontology model, a domain to which the ontology model belongs, and a name to which the ontology model belongs Author of space, ontology model.
  • FIG. 2 is a schematic diagram of a preferred structure of an IoT ontology model processing apparatus according to an embodiment of the present invention.
  • the apparatus may further include: a first receiving module 24 coupled to the storage module 22, configured to receive a retrieval operation from the application entity; the sending module 26 is coupled to the first receiving module 24, configured to send the attribute information of the parent resource and the child resource of the ontology model requested by the retrieval operation to the application entity, wherein the attribute information of the sub-resource includes the ontology model
  • the apparatus may further include: a second receiving module 32 coupled to the storage module 22, configured to receive a registration request of the device entity or the application entity; the determining module 34 is coupled to the second receiving module 32, and configured to determine the ontology corresponding to the device entity or the application entity according to the identity information or the name information of the device entity or the application entity carried in the registration request.
  • Model semantic annotation module 36 is coupled to determination module 34, set to According to the determined ontology model, the entity resources generated by the device entity or the application entity are semantically labeled by adding attributes or resources.
  • the semantic annotation module 36 is further configured to generate a semantic description of the entity resource and a storage address of the determined ontology model.
  • the determining module 34 is further configured to select, according to the identity information or the name information of the device entity or the application entity carried in the registration request, by semantic reasoning, selecting an applicable entity or an application entity in the ontology model managed by the Internet of Things platform.
  • the ontology model; the semantic annotation module 36 is further configured to semantically mark the entity resources generated by the device entity or the application entity according to the complete description of the ontology model.
  • FIG. 4 is a third schematic diagram of a preferred structure of the Internet of Things ontology model processing apparatus according to an embodiment of the present invention.
  • the apparatus may further include: a third receiving module 42 coupled to the storage module 22, configured to receive A semantic operation-based message sent by the device entity or the application entity, where the message carries a semantic parameter, and the semantic operation includes: a semantic query and/or a device entity operation; the processing module 44 is coupled to the third receiving module 42 and configured as a pair of messages. Perform semantic-based processing.
  • the processing module 44 includes: a first parsing unit configured to parse and extract a keyword of the semantic query message; and a first determining unit configured to be an inference rule defined according to the Internet of Things system And the attribute information of the ontology model determines the query information corresponding to the keyword; the first generating unit is configured to generate a query statement supported by the Internet of Things platform according to the query information; and the query unit is configured to query the corresponding information by using the query statement.
  • the processing module 44 includes: a second parsing unit configured to parse and extract a keyword of the device entity operation message; and a second determining unit configured to be defined according to the Internet of Things system
  • the inference rule and the attribute information of the ontology model determine the operation action indicated by the device entity and the device entity operation message corresponding to the keyword
  • the second generation unit is configured to generate the device entity support according to the operation action indicated by the device entity and the device entity operation message
  • the operation instruction; the sending unit is configured to send an operation instruction to the device entity.
  • the apparatus may further include: an address determining module, coupled to the sending unit, configured to determine the device entity according to the device entity address if the device entity operation message carries the device entity address; and in the device entity operation message If the device entity address is not carried, the device entity is determined according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model, and the device entity address is obtained.
  • an address determining module coupled to the sending unit, configured to determine the device entity according to the device entity address if the device entity operation message carries the device entity address; and in the device entity operation message If the device entity address is not carried, the device entity is determined according to the inference rule defined by the Internet of Things system and the attribute information of the ontology model, and the device entity address is obtained.
  • the present invention is a resource-oriented architecture in which various entities are defined as resources, and the process operates in a manner of state transition of the presentation layer.
  • entities are defined as resources, and the process operates in a manner of state transition of the presentation layer.
  • devices, applications, and data are all considered entities and represented as resources.
  • the specific process is based on the HTTP protocol.
  • FIG. 5 is a schematic structural diagram of an apparatus for implementing a semantic internet of things system according to a preferred embodiment of the present invention.
  • the device is located in the Internet of Things platform of the semantic Internet of Things system, including ontology and semantic modules.
  • the module is described in detail below.
  • the ontology and semantic module is configured to manage ontology model resources in the Internet of Things system; add semantic information for entity resources registered to the Internet of Things platform; and process semantic-based messages sent to the Internet of Things platform.
  • the resources of all the ontology models supported by the Internet of Things system are created on the Internet of Things platform, including the parent resource and the plurality of sub-resources, and the information of the ontology model is separately described in the sub-resource; and the module is on the ontology.
  • the model's resources are updated, deleted, and retrieved.
  • the Internet of Things platform creates a resource of the registered entity.
  • the above module adds a new attribute to the entity resource to describe the semantic information of the entity according to the name and type of the registered entity and its corresponding ontology model.
  • the IoT platform receives the semantic-based message, and the above module performs semantic analysis and processing on the message, including: 1) analyzing the semantic-based message meaning, and determining the implemented operation of the message, such as the query operation and the remote device entity operation. 2) based on the inference rules and the resources of the above-mentioned ontology model managed by the above module to infer the resources to be operated and the accurate operation actions; 3) synthesize the message format recognizable by the Internet of Things platform or the remote entity according to the analysis result; Semantic annotation of the results of semantic operations.
  • FIG. 6 is a schematic structural diagram of resources of an ontology model created according to a preferred embodiment of the present invention.
  • the ontology and semantic module of the preferred embodiment of the present invention creates a parent resource of an ontology model in the Internet of Things platform.
  • the resources of the above ontology model are described by an XML file.
  • the XML elements and attributes of the resource are pre-defined in the IoT system through an XML Schema document. These elements and attributes define the structure and content mode of the resource XML document, and the document is stored in the object.
  • the parent resource and child resource XML Schema documents are as follows:
  • the ontology and semantic management module generates a concrete ontology model resource XML document based on the XML Schema document as follows:
  • FIG. 7 is a schematic flowchart of a semantic-based device entity or application entity registration process according to a preferred embodiment of the present invention. As shown in FIG. 7, the registration process includes the following steps:
  • Step S701 The device entity sends a create operation request to the Internet of Things platform to request to create an entity resource AE, where the request includes an entity name; the device entity may provide more registration information according to its capability into the content parameter of the request message, such as a version. Number, location, etc.; the code to implement basic entity registration is as follows:
  • Step S702 after receiving the creation operation request, the Internet of Things platform determines that the registration request is based on the created resource type, and firstly creates basic information of the entity resource, and then the ontology and the semantic module according to the received basic information of the registered entity. Generating semantic description information; generating an xml document describing the registered entity resource in the Internet of Things platform, and the code of the semantic description part;
  • An attribute or a sub-resource is created on the generated registration entity resource to perform semantic description on the registered entity resource, and an attribute is added in the entity resource to represent an address of the ontology model resource corresponding to the entity resource, and the entity of the Internet of Things is applied through the address. More semantic information can be learned.
  • Step S703 the Internet of Things platform returns a message that the registration is successful.
  • the returned code is as follows:
  • Return message content can be returned to the semantic description according to the setting of the parameters of the request message.
  • FIG. 8 is a schematic flowchart of a semantic-based query flow according to a preferred embodiment of the present invention. As shown in FIG. 8, the query process includes the following steps:
  • Step S801 the Internet of Things application entity sends a retrieval operation request to the Internet of Things platform, and the message has a semantic parameter semanticPara, and the query condition is added to the content parameter of the operation request, and the format of the query condition may be a piece of speech, a text description of a natural language. Wait.
  • the address of the resource operated by the operation message may be the address of the root resource of the Internet of Things platform, or the address of the specific resource.
  • the receiving address of the operation message is the root resource address of the Internet of Things platform; when the application knows that the specific resource or a group of resources that need to be queried is known, the receiving address of the operation message is the (group) resource.
  • URI address The code for the request message for the operation is as follows:
  • Step S802 the Internet of Things platform receives the retrieval class operation request, and parses the message to know that the message contains the semantic parameter, triggers the ontology and the semantic module to perform semantic-based processing on the message, analyzes the content in the message content parameter, and extracts the content in the content. Key words, and then according to the inference rules and ontology model to analyze what information needs to be queried. For example, if the information content in the above code is to obtain the current situation of the fifth street vehicle in Beijing, then the ontology model of the vehicle class is selected, according to the reasoning reasoning on the Internet of Things platform. Query the corresponding information in the data.
  • the ontology and semantic module semantically annotate the result of the query, so that the IoT application entity requesting the query operation can understand the semantics of the query information.
  • Step S803 the Internet of Things platform returns the marked query result to the IoT application entity that requests the query operation.
  • the return code is as follows:
  • FIG. 9 is a schematic flowchart of a semantic operation of a device entity according to a preferred embodiment of the present invention. As shown in FIG. 9, the operation flow includes the following steps:
  • Step S901 the IoT application entity sends a remote device entity request to connect to the Internet of Things platform to the Internet of Things platform, and the address of the operation resource may be a resource address of the remote device entity, or may be a root resource of the Internet of Things platform. source address.
  • the final receiving address of the message is the address of the resource of the remote device entity; when the IoT application does not know the resource of the specific remote device entity that needs to operate, the message is finally The receiving address is the address of the root resource of the IoT platform.
  • the parameter of the request message has a semantic parameter semanticPara, indicating that the operation is a semantic-based operation. At the same time, a specific description of the operation content needs to be loaded in the content parameter.
  • Step S902 the Internet of Things platform receives the operation request, and parses the message parameter to know that the message contains the semantic parameter, and triggers the ontology and the semantic module to perform semantic-based processing on the message, and analyzes the content in the message parameter, mainly in the content parameter.
  • the content extract the keywords in the content, and infer the specific needs according to the inference rules and the corresponding ontology model. If the message content of the above code requires adjusting the temperature of the room A to the normal value, the air conditioner needs to be operated to adjust the temperature, and the selection is performed.
  • the ontology model of the air conditioner, and according to the inference rules, is an operation to increase the temperature of the air conditioner in the current room A.
  • the ontology and semantic module synthesizes an operation request for the message format recognizable by the remote device entity.
  • the code for the air conditioner in the newly synthesized operation room A is as follows:
  • Step S903 the Internet of Things operation platform sends the synthesized specific operation request to the specific remote device entity;
  • Step S904 the remote device entity performs an operation after receiving the operation request, and returns the operation result to the Internet of Things platform.
  • the return code is as follows:
  • step S905 the Internet of Things platform returns the operation result to the Internet of Things entity application.
  • the IoT platform sends the operation request of the IoT application entity to multiple remote device entities. If roomA has two air conditioners or more, it needs to wait for multiple remote device entities to return the message and then notify the IoT application entity to operate as a result.
  • the data of the heterogeneous device can be read and understood, and the heterogeneous device is operated.
  • the foregoing embodiments and preferred embodiments of the present invention provide a resource-oriented architecture-based semantic Internet of Things system and based on The semantic operation method, that is, the entities in the Internet of Things system are expressed in the form of resources, adding semantic information in the representation of resources, and passing through resources in the semantic message operating system.
  • the Internet of Things system defines various ontology models and/or references other system-defined ontology models. By creating resources to express the above ontology models, the IoT platform passes through the system.
  • the ontology model semantically describes the resource and operates the resource based on the message containing the semantic information to realize information sharing and interoperability between the heterogeneous device and the application.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in a storage device by a computing device, or they may be fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
  • an Internet of Things ontology model processing method and apparatus provided by an embodiment of the present invention have the following beneficial effects: entities in an Internet of Things system are expressed in the form of resources, and semantic information is added in the representation of resources through semantics.
  • the resources in the message operating system.
  • the Internet of Things system defines various ontology models and/or references other system-defined ontology models.
  • the IoT platform semantically describes resources through ontology models in the system and based on messages containing semantic information. Operate resources to realize information sharing and interoperability between heterogeneous devices and applications.

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Abstract

本发明公开了一种物联网本体模型处理方法及装置,其中,该方法包括:物联网平台通过资源的方式存储本体模型,其中,所述资源包括父资源和子资源,所述父资源集合了所述物联网系统支持的所有的所述本体模型,所述子资源用于描述所述本体模型的属性信息。通过本发明实施例,解决了相关技术中尚没有对本体模型进行有效管理的问题,从而提供了一种本体模型的管理方法。

Description

物联网本体模型处理方法及装置 技术领域
本发明涉及通信领域,具体而言,涉及一种方法物联网本体模型处理方法及装置。
背景技术
随着物联网发展,物联网业务快速的增长,并由传统的垂直应用逐渐向水平的应用发展,即物联网系统通过构建统一的物联网平台集成大规模的各行业的应用,管理各行业设备,但不同行业的应用和设备是异构的,应用存在不能理解设备数据的情况,这样的情况使设备信息的共享及互操作无法实现。
为了解决异构设备、应用之间的互通,提高数据的可读性,在物联网中引入本体的概念,本体就是用来描述某个领域概念与概念之间的联系,使得这些概念和联系在共享的范围内有着明确唯一的定义,达成一种共识,这样人、机器之间就可以进行交流。通过本体模型对物联网中的各种实体和数据进行语义标注来增加语义信息,语义标注既是指一组元数据也是指这些元数据的生成过程,使用来自本体中机器可理解的元数据标注资源的各种概念。
针对相关技术中尚没有对本体模型进行有效管理的问题,目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种物联网本体模型处理方法及装置,以至少解决相关技术中尚没有对本体模型进行有效管理的问题。
根据本发明实施例的一个方面,提供了一种物联网本体模型处理方法,包括:物联网平台通过资源的方式存储本体模型,其中,所述资源包括父资源和子资源,所述父资源集合了所述物联网系统支持的所有的所述本体模型,所述子资源用于描述所述本体模型的属性信息。
可选地,所述本体模型的属性信息至少包括以下之一:本体模型的名称、描述本体模型的概念的内容信息、本体模型的完整构成元素的存储地址、本体模型所属的领域、本体模型所属的命名空间、本体模型的作者。
可选地,在所述物联网平台存储所述本体模型之后,所述方法还包括:接收来自应用实体的检索操作;发送所述检索操作所请求的本体模型的父资源和子资源的属性信息至所述应用实体,其中,所述子资源的属性信息包括本体模型的完整构成元素的存储地址,用于向所述应用实体提供所请求的本体模型的完整描述。
可选地,在所述物联网平台存储所述本体模型之后,所述方法还包括:接收设备实体或者应用实体的注册请求;根据所述注册请求中携带的设备实体或者所述应用实体的身份信息或者名称信息,确定与所述设备实体或者所述应用实体对应的本体模型;依据确定的本体模型,通过增加属性或资源的方式对所述设备实体或所述应用实体所生成的实体资源进行语义标注。
可选地,对所述设备实体或所述应用实体所生成的实体资源进行语义标注包括:生成所述实体资源的语义描述和确定的本体模型的存储地址。
可选地,根据所述注册请求中携带的设备实体或者应用实体的身份信息或者名称信息,确定与所述设备实体或者应用实体对应的本体模型;依据确定的本体模型,通过增加属性或资源的方式对所述设备实体或所述应用实体所生成的实体资源进行语义标注包括:根据所述注册请求中携带的所述设备实体或者所述应用实体的身份信息或名称信息,通过语义推理,在所述物联网平台管理的本体模型中选择适用于所述设备实体或者应用实体的本体模型;根据所述本体模型的完整描述,对所述设备实体或者应用实体所生成的实体资源的进行语义标注。
可选地,在对所述设备实体或所述应用实体所生成的实体资源进行语义标注之后,所述方法还包括:接收设备实体或者应用实体发送的基于语义操作的消息,其中,所述消息中携带有语义参数,所述语义操作包括:语义查询和/或设备实体操作;对所述消息进行基于语义的处理。
可选地,在所述消息为语义查询消息的情况下,对所述消息进行基于语义的处理包括:解析并提取所述语义查询消息的关键字;根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的查询信息;根据所述查询信息,生成所述物联网平台支持的查询语句;通过所述查询语句,查询相应的信息。
可选地,在所述消息为设备实体操作消息的情况下,对所述消息进行基于语义的处理包括:解析并提取所述设备实体操作消息的关键字;根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的设备实体及所述设备实体操作消息指示的操作动作;根据设备实体及所述设备实体操作消息指示的操作动作,生成所述设备实体支持的操作指令;发送所述操作指令至所述设备实体。
可选地,在所述设备实体操作消息中携带设备实体地址的情况下,根据所述设备实体地址确定所述设备实体;在所述设备实体操作消息中未携带所述设备实体地址的情况下,根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述设备实体,并获取所述设备实体地址。
根据本发明实施例的另一个方面,还提供了一种物联网本体模型处理装置,部署于物联网平台,包括:存储模块,设置为通过资源的方式,存储本体模型,其中,所述资源包括父资源和子资源,所述父资源集合了所述物联网系统支持的所有的所述本体模型,所述子资源用于描述所述本体模型的属性信息。
可选地,所述本体模型的属性信息至少包括以下之一:本体模型的名称、描述本体模型的概念的内容信息、本体模型的完整构成元素的存储地址、本体模型所属的领域、本体模型所属的命名空间、本体模型的作者。
可选地,所述装置还包括:接收模块,设置为接收来自应用实体的检索操作;
发送模块,设置为发送所述检索操作所请求的本体模型的父资源和子资源的属性信息至所述应用实体,其中,所述子资源的属性信息包括本体模型的完整构成元素的存储地址,用于向所述应用实体提供所请求的本体模型的完整描述。
可选地,所述装置还包括:接收模块,设置为接收设备实体或者应用实体的注册请求;确定模块,设置为根据所述注册请求中携带的设备实体或者所述应用实体的身份信息或者名称信息,确定与所述设备实体或者所述应用实体对应的本体模型;语义标注模块,设置为依据确定的本体模型,通过增加属性或资源的方式对所述设备实体或所述应用实体所生成的实体资源进行语义标注。
可选地,所述语义标注模块还设置为:生成所述实体资源的语义描述和确定的本体模型的存储地址。
可选地,所述确定模块,还设置为根据所述注册请求中携带的所述设备实体或者所述应用实体的身份信息或名称信息,通过语义推理,在所述物联网平台管理的本体模型中选择适用于所述设备实体或者应用实体的本体模型;所述语义标注模块还设置为根据所述本体模型的完整描述,对所述设备实体或者应用实体所生成的实体资源的进行语义标注。
可选地,所述装置还包括:接收模块,设置为接收设备实体或者应用实体发送的基于语义操作的消息,其中,所述消息中携带有语义参数,所述语义操作包括:语义查询和/或设备实体操作;处理模块,设置为对所述消息进行基于语义的处理。
可选地,在所述消息为语义查询消息的情况下,所述处理模块包括:第一解析单元,设置为解析并提取所述语义查询消息的关键字;第一确定单元,设置为根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的查询信息;第一生成单元,设置为根据所述查询信息,生成所述物联网平台支持的查询语句;查询单元,设置为通过所述查询语句,查询相应的信息。
可选地,在所述消息为设备实体操作消息的情况下,所述处理模块包括:第二解析单元,设置为解析并提取所述设备实体操作消息的关键字;第二确定单元,设置为根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的设备实体及所述设备实体操作消息指示的操作动作;第二生成单元,设置为根据设备实体及所述设备实体操作消息指示的操作动作,生成所述设备实体支持的操作指令;发送单元,设置为发送所述操作指令至所述设备实体。
可选地,所述装置还包括地址确定模块,设置为在所述设备实体操作消息中携带设备实体地址的情况下,根据所述设备实体地址确定所述设备实体;在所述设备实体操作消息中未携带所述设备实体地址的情况下,根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述设备实体,并获取所述设备实体地址。
通过本发明实施例,采用资源的方式,存储物联网平台的本体模型,其中,所述资源包括父资源和子资源,所述父资源集合了所述物联网系统支持的所有的所述本体模型,所述子资源用于描述所述本体模型的属性信息,解决了相关技术中尚没有对本体模型进行有效管理的问题,从而提供了一种本体模型的管理方法。
附图说明
此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是根据本发明实施例的物联网平台本体模型处理方法的优选流程示意图;
图2是根据本发明实施例的物联网本体模型处理装置的优选结构示意图一;
图3是根据本发明实施例的物联网本体模型处理装置的优选结构示意图二;
图4是根据本发明实施例的物联网本体模型处理装置的优选结构示意图三;
图5为根据本发明优选实施例的实现语义物联网系统的装置的结构示意图;
图6为根据本发明优选实施例的创建的本体模型的资源的结构示意图;
图7为根据本发明优选实施例的基于语义的设备实体或应用实体注册流程的流程示意图;
图8为根据本发明优选实施例的基于语义的查询流程的流程示意图;
图9为根据本发明优选实施例的语义的设备实体操作流程的流程示意图。
具体实施方式
本发明实施例提出了一种基于语义的物联网系统,系统架构基于目前流行的面向资源的架构,即系统中所有的实体都看作资源,如应用实体、功能实体、数据实体等等,通过对资源的操作来实现对各类型实体的操作。基于语义的物联网系统通过在系统中创建和管理物联网相关本体作为资源,并对系统中的已有资源添加语义信息或数据进行语义标注,实现不同设备和应用之间的数据共享,并可快速的部署物联网业务。
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。
本发明实施例提供了一种物联网本体模型处理方法,该流程包括如下的步骤:
步骤S102,物联网平台通过资源的方式存储本体模型,其中,资源包括父资源和子资源,父资源集合了物联网系统支持的所有的本体模型,子资源用于描述本体模型的属性信息。
通过本发明实施例,采用资源描述物联网系统支持的本体模型,从而提供了一种物联网本体模型的管理方法,有利于对本体模型资源的共享和管理。
上述物联网系统是面向资源的架构,各种实体(如应用实体、功能实体、数据实体等)都以资源的形式表示,每一个资源由唯一的标识符进行定位。
通过上述描述,可知,物联网平台创建一个资源描述物联网系统支持的本体模型,该资源为父资源。在父资源下创建若干个子资源描述本体模型的基本信息,一个上述子资源可以只描述一个本体模型。
优选地,本体模型的属性信息至少包括以下之一:本体模型的名称、描述本体模型的概念的内容信息、本体模型的完整构成元素的存储地址、本体模型所属的领域、本体模型所属的命名空间、本体模型的作者。
例如,子资源的属性包括下表所示的属性之一:
Figure PCTCN2015075424-appb-000001
优选地,本实施例还提供了应用实体检索本体模型信息的方法,包括:接收来自应用实体的检索操作;发送检索操作所请求的本体模型的父资源和子资源的属性信息至应用实体,其中,子资源的属性信息包括本体模型的完整构成元素的存储地址,用于向应用实体提供所请求的本体模型的完整描述。例如,物联网应用实体向物联网平台发送检索操作,获取上述父资源和其子资源的属性信息,物联网应用实体通过上述属性信息中本体存储地址可获取该本体模型完整的描述,该完整的描述可提供物联网应用更多的语义信息。
图1是根据本发明实施例的物联网平台本体模型处理方法的优选流程示意图,如图1所示,优选地,该流程包括如下步骤:
步骤S102,物联网平台通过资源的方式存储本体模型,其中,资源包括父资源和子资源,父资源集合了物联网系统支持的所有的本体模型,子资源用于描述本体模型的属性信息;
步骤S104,接收设备实体或者应用实体的注册请求;
步骤S106,根据注册请求中携带的设备实体或者应用实体的身份信息或者名称信息,确定与设备实体或者应用实体对应的本体模型;
步骤S108,依据确定的本体模型,通过增加属性或资源的方式对设备实体或应用实体所生成的实体资源进行语义标注。
通过上述步骤,实现了基于资源方式存储的本体模型对设备实体或者应用实体所生成的资源的语义标注。其中,应用实体或物联网平台依据上述子资源对应的本体模型,增加属性或资源对注册到物联网平台上的设备实体或应用实体生成的资源进行语义的描述,所增加的属性或资源的描述如下表所示:
Figure PCTCN2015075424-appb-000002
优选地,在对设备实体或者应用实体所生成的实体资源进行语义标注时,可以生成该实体资源的语义描述信息,并同时生成所确定的本体模型的存储地址。从而通过语义描述信息和本体模型的存储地址的方式,实现对实体资源的语义标注。
优选地,在根据注册请求和本体模型的属性信息对资源进行语义标注时,物联网平台可以根据注册请求中携带的实体的身份信息或名称信息,确定与实体对应的本体模型,并根据本体模型,生成实体的语义描述和本体模型的存储地址。例如,设备实体或应用实体发送注册请求到物联网平台,注册请求中包含实体的身份或名称,如智能家居应用、温度传感设备等;物联网平台的本体与语义模块根据实体的身份或名称信息确定对应的本体模型,生成语义描述和本体地址。
优选地,在上述生成实体的语义描述的过程中,物联网平台可以根据注册请求中携带的设备实体或者应用实体的身份信息或名称信息,通过语义推理,在物联网平台管理的本体模型中选择适用于设备实体或者应用实体的本体模型;根据本体模型的完整描述,对设备实体或者应用实体所生成的实体资源的进行语义标注。例如,物联网平台的本体与语义模块根据实体的身份或名称,通过语义推理在其管理的本体模型中选择适用于该实体的本体模型,并通过上述子资源中的本体存储地址获取获知本体模型的完整表述,并根据表述的内容生成语义描述。
优选地,在根据注册请求和本体模型的属性信息对资源进行语义标注之后,实体可以通过基于语义操作的消息进行语义查询或者远端设备实体的相关操作。例如,物 联网平台接收实体发送的基于语义操作的消息,其中,消息中携带有语义参数,该语义操作包括:语义查询和/或远端设备实体操作;物联网平台对消息进行基于语义的处理。
优选地,在消息为语义查询消息的情况下,对消息进行基于语义的处理包括:解析并提取语义查询消息的关键字;根据物联网系统定义的推理规则及本体模型的属性信息,确定关键字对应的查询信息;根据查询信息,生成物联网平台支持的查询语句;通过查询语句,查询相应的信息。例如,当物联网平台解析出该消息为查询操作的消息,并且消息中带有语义参数时,物联网平台的本体与语义模块将处理该消息内容,该模块提取内容中的关键词,根据物联网系统定义的推理规则及相应的本体模型分析出物联网应用实体要查询的具体信息,根据分析结果将合成物联网平台可识别格式的具体的消息语句,在语义数据库中查询出信息;当消息内容中的查询语句按照物联网平台支持的格式,则本体与语义模块无需解析直接向语义数据库查询信息;进一步,根据本体与语义模块对消息内容解析提取出的关键词,通过推理规则与本体模型进行匹配,选择合适的本体模型。
优选地,在消息为远端设备实体操作消息的情况下,对消息进行基于语义的处理包括:解析并提取远端设备实体操作消息的关键字;根据物联网系统定义的推理规则及本体模型的属性信息,确定关键字对应的远端设备实体及远端设备实体操作消息指示的操作动作;根据远端设备实体及远端设备实体操作消息指示的操作动作,生成远端设备实体支持的操作指令;发送操作指令至远端设备实体。例如,当物联网平台解析出该消息为操作远端设备实体消息,并且消息中带有语义参数时,物联网平台的本体与语义模块处理该消息内容;本体与语义模块解析消息内容、提取其中关键词,再根据物联网系统定义的推理规则及本体模型分析出要操作的具体远端设备实体和具体的操作动作,并根据分析结果合成远端设备实体可识别格式的具体的消息语句发送给该远端设备实体。
优选地,可以根据远端设备实体操作消息中携带的远端设备实体地址,来确定远端设备实体操作消息需要操作的远端设备实体,其中:在远端设备实体操作消息中携带远端设备实体地址的情况下,根据远端设备实体地址确定远端设备实体;在远端设备实体操作消息中未携带远端设备实体地址的情况下,根据物联网系统定义的推理规则及本体模型的属性信息,确定远端设备实体,并获取远端设备实体地址。例如,消息中的最终接收地址可以是具体的远端设备实体地址,也可以是物联网平台根资源的地址;当消息的最终接收地址是物联网平台根资源地址时,即表明消息内容中没有指出需要操作哪个具体设备,本体与语义模块先分析出需要操作哪类设备,然后根据需 要操作的设备类型及其他条件在语义数据库中查询获取具体的远端设备实体的地址、操作方式等信息,再分析出对该具体的远端设备实体的具体操作,本体与语义模块根据分析结果和获取到的信息合成具体的消息语句发送出去;当消息的最终接收地址是具体的远端设备实体地址,本体与语义模块分析出对远端设备实体的具体操作,本体与语义模块根据分析结果合成具体的消息语句发送出去。
优选地,物联网平台根据语义参数触发语义处理,在实现语义操作后,依据本体模型对语义操作结果进行语义标注,如对语义查询出的数据进行语义标注。
需要说明的是,在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行,并且,虽然在流程图中示出了逻辑顺序,但是在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤。
本发明实施例还提供了一种物联网本体模型处理装置,该装置部署于物联网平台,该装置可以设置为实现上述物联网本体模型处理方法。该装置包括:存储模块22,设置为通过资源的方式存储本体模型,其中,资源包括父资源和子资源,父资源集合了物联网系统支持的所有的本体模型,子资源用于描述本体模型的属性信息。
需要说明的是,装置实施例中描述的物联网本体模型处理装置对应于上述的方法实施例,其具体的实现过程在方法实施例中已经进行过详细说明,在此不再赘述。
优选地,上述本体模型的属性信息至少包括以下之一:本体模型的名称、描述本体模型的概念的内容信息、本体模型的完整构成元素的存储地址、本体模型所属的领域、本体模型所属的命名空间、本体模型的作者。
图2是根据本发明实施例的物联网本体模型处理装置的优选结构示意图一,如图2所示,优选地,该装置还可以包括:第一接收模块24耦合至存储模块22,设置为接收来自应用实体的检索操作;发送模块26耦合至第一接收模块24,设置为发送检索操作所请求的本体模型的父资源和子资源的属性信息至应用实体,其中,子资源的属性信息包括本体模型的完整构成元素的存储地址,用于向应用实体提供所请求的本体模型的完整描述。
图3是根据本发明实施例的物联网本体模型处理装置的优选结构示意图二,如图3所示,优选地,该装置还可以包括:第二接收模块32耦合至存储模块22,设置为接收设备实体或者应用实体的注册请求;确定模块34耦合至第二接收模块32,设置为根据注册请求中携带的设备实体或者应用实体的身份信息或者名称信息,确定与设备实体或者应用实体对应的本体模型;语义标注模块36耦合至确定模块34,设置为依 据确定的本体模型,通过增加属性或资源的方式对设备实体或应用实体所生成的实体资源进行语义标注。
优选地,语义标注模块36,还设置为生成实体资源的语义描述和确定的本体模型的存储地址。
优选地,确定模块34,还设置为根据注册请求中携带的设备实体或者应用实体的身份信息或名称信息,通过语义推理,在物联网平台管理的本体模型中选择适用于设备实体或者应用实体的本体模型;语义标注模块36,还设置为根据本体模型的完整描述,对设备实体或者应用实体所生成的实体资源的进行语义标注。
图4是根据本发明实施例的物联网本体模型处理装置的优选结构示意图三,如图4所示,优选地,该装置还可以包括:第三接收模块42耦合至存储模块22,设置为接收设备实体或者应用实体发送的基于语义操作的消息,其中,消息中携带有语义参数,语义操作包括:语义查询和/或设备实体操作;处理模块44耦合至第三接收模块42,设置为对消息进行基于语义的处理。
优选地,在消息为语义查询消息的情况下,处理模块44包括:第一解析单元,设置为解析并提取语义查询消息的关键字;第一确定单元,设置为根据物联网系统定义的推理规则及本体模型的属性信息,确定关键字对应的查询信息;第一生成单元,设置为根据查询信息,生成物联网平台支持的查询语句;查询单元,设置为通过查询语句,查询相应的信息。
优选地,在消息为设备实体操作消息的情况下,处理模块44包括:第二解析单元,设置为解析并提取设备实体操作消息的关键字;第二确定单元,设置为根据物联网系统定义的推理规则及本体模型的属性信息,确定关键字对应的设备实体及设备实体操作消息指示的操作动作;第二生成单元,设置为根据设备实体及设备实体操作消息指示的操作动作,生成设备实体支持的操作指令;发送单元,设置为发送操作指令至设备实体。
优选地,该装置还可以包括:地址确定模块,耦合至上述发送单元,设置为在设备实体操作消息中携带设备实体地址的情况下,根据设备实体地址确定设备实体;以及在设备实体操作消息中未携带设备实体地址的情况下,根据物联网系统定义的推理规则及本体模型的属性信息,确定设备实体,并获取设备实体地址。
为了使本发明的技术方案和实现方法更加清楚,下面将结合优选的实施例对其实现过程进行详细描述。
本发明是面向资源的架构,系统中将各种实体定义为资源,流程采用表现层状态转移的方式操作。发明中,设备、应用及数据都看作是实体并表示成资源。具体流程基于HTTP协议实现。
图5为根据本发明优选实施例的实现语义物联网系统的装置的结构示意图。该装置位于语义物联网系统的物联网平台中,包括本体与语义模块。下面对该模块详细说明。
本体与语义模块,设置为管理物联网系统中的本体模型资源;为注册到物联网平台的实体资源添加语义的信息;处理发送到物联网平台的基于语义的消息。
本实施例通过上述模块,在物联网平台创建该物联网系统支持的所有本体模型的资源,包括父资源和多个子资源,在该子资源中分别描述本体模型的信息;同时,上述模块对本体模型的资源进行更新、删除及检索。
物联网平台创建注册实体的资源,上述模块根据注册实体的名称、类型等信息,以及其对应的本体模型,在实体的资源中添加新的属性描述该实体的语义信息。
物联网平台接收到基于语义的消息,上述模块对该消息进行语义的分析处理,包括:1)分析基于语义的消息含义,确定该消息的所实施的操作,如查询操作、远端设备实体操作;2)基于推理规则和上述模块管理的上述本体模型的资源推理出该消息要操作的资源及准确的操作动作;3)根据分析结果合成物联网平台或远端实体可识别的消息格式;4)对语义操作的结果,进行语义标注。
图6为根据本发明优选实施例的创建的本体模型的资源的结构示意图,如图6所示,本发明优选实施例的本体与语义模块在物联网平台中创建了一个本体模型的父资源和多个本体模型的子资源,上述父资源是上述子资源的集合,一个上述子资源通过资源的属性描述一个本体模型。
上述本体模型的资源通过XML文件描述,首先在物联网系统中通过XML Schema文档预先规定该资源的XML元素和属性,这些元素和属性定义了该资源XML文档的结构和内容模式,文档存放在物联网平台中。该父资源的和子资源XML Schema文档如下:
Figure PCTCN2015075424-appb-000003
Figure PCTCN2015075424-appb-000004
Figure PCTCN2015075424-appb-000005
本体与语义管理模块根据XML Schema文档生成具体的本体模型资源的XML文档描述如下:
Figure PCTCN2015075424-appb-000006
图7为根据本发明优选实施例的基于语义的设备实体或应用实体注册流程的流程示意图,如图7所示,该注册流程包括如下步骤:
步骤S701,设备实体发送创建操作请求到物联网平台请求创建一个实体资源AE,请求中包含实体名称;设备实体可根据其能力,提供更多的注册信息放入请求消息的内容参数中,如版本号、位置等;实现基本的实体注册的代码如下:
Figure PCTCN2015075424-appb-000007
Figure PCTCN2015075424-appb-000008
步骤S702,物联网平台接收到该创建操作请求后,根据创建的资源类型为AE判断出是注册请求,首先创建实体资源的基本信息,然后本体与语义模块根据接收到的该注册实体的基本信息生成语义描述信息;在物联网平台中生成描述该注册实体资源的xml文档,语义描述部分的代码;如下:
Figure PCTCN2015075424-appb-000009
在已生成注册实体资源上创建一个属性或子资源对该注册实体资源进行语义描述,同时,在该实体资源中增加属性表述该实体资源对应的本体模型资源的地址,通过该地址物联网应用实体可以获知更多的语义信息.
步骤S703,物联网平台返回注册成功的消息。返回的代码如下:
201Created
Content-Location:http://m2m.service.com:9000/device1/AE
Content-Type:application/xml
Content-Length:0返回消息内容可以根据请求消息的参数的设置,要求返回语义描述。
图8为根据本发明优选实施例的基于语义的查询流程的流程示意图,如图8所示,该查询流程包括如下步骤:
步骤S801,物联网应用实体向物联网平台发送检索操作请求,消息中带有语义参数semanticPara,该操作请求的内容参数中加入查询条件,查询条件的格式可以为一段语音,一段自然语言的文本描述等。该操作消息所操作资源的地址可以是物联网平台根资源的地址,也可以是具体资源的地址。当应用实体不知道查询的具体资源,则操作消息的接收地址为物联网平台根资源地址;当应用知道知道需要查询的具体资源或者一组资源,则操作消息的接收地址为该(组)资源的URI地址。操作的请求消息的代码如下:
Figure PCTCN2015075424-appb-000010
步骤S802,物联网平台接收到检索类操作请求,解析消息获知该消息中包含语义参数,则触发本体与语义模块对消息进行基于语义的处理,分析消息内容参数中的内容,提取该内容中的关键词,然后根据推理规则及本体模型分析出需要查询什么信息,如上述代码中信息内容为获取当前北京第五大街车辆的情况,则选择车类的本体模型,根据推理推理在物联网平台的数据中查询相应信息。
查询结束后,本体与语义模块对查询的结果进行语义标注,使请求该查询操作的物联网应用实体能够理解查询信息的语义。
步骤S803,物联网平台返回标注后的查询结果给请求查询操作的物联网应用实体。返回代码如下:
Figure PCTCN2015075424-appb-000011
图9为根据本发明优选实施例的语义的设备实体操作流程的流程示意图,如图9所示,该操作流程包括如下步骤:
步骤S901,物联网应用实体向物联网平台发送操作连接物联网平台的远程设备实体请求,操作资源的地址可以为远程设备实体的资源地址,也可以为物联网平台根资 源地址。当物联网应用实体知道需要操作具体的设备实体的资源,则消息的最终接收地址是远程设备实体的资源的地址;当物联网应用不知道需要操作的具体远程设备实体的资源,则消息的最终接收地址是物联网平台根资源的地址。请求消息的参数中带有语义参数semanticPara,说明该操作是基于语义的操作。同时,需在内容参数中加载具体的操作内容描述。
Figure PCTCN2015075424-appb-000012
步骤S902,物联网平台接收到操作请求,解析消息参数获知该消息中包含语义参数,则触发本体与语义模块对该消息进行基于语义的处理,分析该消息参数中的内容,主要是内容参数中的内容,提取内容中的关键字,并根据推理规则和相应本体模型推理出具体需要操作,如上述代码的消息内容要求调整房间A的温度到正常值,则具体需要操作空调来调整温度,选择空调的本体模型,并根据推理规则推理出是调高当前房间A空调温度的操作。根据推理出的具体远程设备实体和对其的具体操作,本体与语义模块合成该远程设备实体可识别的消息格式的操作请求。新合成的操作房间A中空调的代码如下:
Figure PCTCN2015075424-appb-000013
Figure PCTCN2015075424-appb-000014
步骤S903,物联网操作平台将合成的具体操作请求发送到具体的远程设备实体;
步骤S904,远程设备实体接收到操作请求后执行操作,并返回操作结果到物联网平台。返回代码如下:
200Ok
Content-Type:application/xml
Content-Length:0
步骤S905,物联网平台返回操作结果到物联网实体应用。
当物联网平台将物联网应用实体的操作请求发送给多个远程设备实体,如roomA有两个空调以上,则需要等多个远程设备实体返回消息后再通知物联网应用实体操作成结果。
综上所述,为了异构应用可读取并理解异构设备的数据,并操作异构设备,本发明上述实施例、优选实施例提出一种面向资源的架构方式的语义物联网系统及基于语义的操作方法,即物联网系统中的实体都以资源的方式表述,在资源的表述中增加语义信息,通过语义消息操作系统中的资源。物联网系统定义了各种本体模型和/或引用其他系统定义的本体模型,通过创建资源表述上述本体模型,物联网平台通过系统中 的本体模型对资源进行语义描述,并基于含有语义信息的消息对资源进行操作,实现异构设备与应用之间的信息共享及互操作。
显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
工业实用性
如上所述,本发明实施例提供的一种物联网本体模型处理方法及装置具有以下有益效果:物联网系统中的实体均以资源的方式加以表述,在资源的表述中增加语义信息,通过语义消息操作系统中的资源。物联网系统定义了各种本体模型和/或引用其他系统定义的本体模型,通过创建资源表述上述本体模型,物联网平台通过系统中的本体模型对资源进行语义描述,并基于含有语义信息的消息对资源进行操作,实现异构设备与应用之间的信息共享及互操作。

Claims (20)

  1. 一种物联网本体模型处理方法,包括:
    物联网平台通过资源的方式存储本体模型,其中,所述资源包括父资源和子资源,所述父资源集合了所述物联网系统支持的所有的所述本体模型,所述子资源用于描述所述本体模型的属性信息。
  2. 根据权利要求1所述的方法,其中,所述本体模型的属性信息至少包括以下之一:
    本体模型的名称、描述本体模型的概念的内容信息、本体模型的完整构成元素的存储地址、本体模型所属的领域、本体模型所属的命名空间、本体模型的作者。
  3. 根据权利要求2所述的方法,其中,在所述物联网平台存储所述本体模型之后,所述方法还包括:
    接收来自应用实体的检索操作;
    发送所述检索操作所请求的本体模型的父资源和子资源的属性信息至所述应用实体,其中,所述子资源的属性信息包括本体模型的完整构成元素的存储地址,用于向所述应用实体提供所请求的本体模型的完整描述。
  4. 根据权利要求1至3中任一项所述的方法,其中,在所述物联网平台存储所述本体模型之后,所述方法还包括:
    接收设备实体或者应用实体的注册请求;
    根据所述注册请求中携带的设备实体或者所述应用实体的身份信息或者名称信息,确定与所述设备实体或者所述应用实体对应的本体模型;
    依据确定的本体模型,通过增加属性或资源的方式对所述设备实体或所述应用实体所生成的实体资源进行语义标注。
  5. 根据权利要求4所述的方法,其中,对所述设备实体或所述应用实体所生成的实体资源进行语义标注包括:
    生成所述实体资源的语义描述和确定的本体模型的存储地址。
  6. 根据权利要求4所述的方法,其中,根据所述注册请求中携带的设备实体或者应用实体的身份信息或者名称信息,确定与所述设备实体或者应用实体对应的本体模型;依据确定的本体模型,通过增加属性或资源的方式对所述设备实体或所述应用实体所生成的实体资源进行语义标注包括:
    根据所述注册请求中携带的所述设备实体或者所述应用实体的身份信息或名称信息,通过语义推理,在所述物联网平台管理的本体模型中选择适用于所述设备实体或者应用实体的本体模型;
    根据所述本体模型的完整描述,对所述设备实体或者应用实体所生成的实体资源的进行语义标注。
  7. 根据权利要求4所述的方法,其中,在对所述设备实体或所述应用实体所生成的实体资源进行语义标注之后,所述方法还包括:
    接收设备实体或者应用实体发送的基于语义操作的消息,其中,所述消息中携带有语义参数,所述语义操作包括:语义查询和/或设备实体操作;
    对所述消息进行基于语义的处理。
  8. 根据权利要求7所述的方法,其中,在所述消息为语义查询消息的情况下,对所述消息进行基于语义的处理包括:
    解析并提取所述语义查询消息的关键字;
    根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的查询信息;
    根据所述查询信息,生成所述物联网平台支持的查询语句;
    通过所述查询语句,查询相应的信息。
  9. 根据权利要求7所述的方法,其中,在所述消息为设备实体操作消息的情况下,对所述消息进行基于语义的处理包括:
    解析并提取所述设备实体操作消息的关键字;
    根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的设备实体及所述设备实体操作消息指示的操作动作;
    根据设备实体及所述设备实体操作消息指示的操作动作,生成所述设备实体支持的操作指令;
    发送所述操作指令至所述设备实体。
  10. 根据权利要求9所述的方法,其中:
    在所述设备实体操作消息中携带设备实体地址的情况下,根据所述设备实体地址确定所述设备实体;
    在所述设备实体操作消息中未携带所述设备实体地址的情况下,根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述设备实体,并获取所述设备实体地址。
  11. 一种物联网本体模型处理装置,部署于物联网平台,包括:
    存储模块,设置为通过资源的方式,存储本体模型,其中,所述资源包括父资源和子资源,所述父资源集合了所述物联网系统支持的所有的所述本体模型,所述子资源用于描述所述本体模型的属性信息。
  12. 根据权利要求11所述的装置,其中,所述本体模型的属性信息至少包括以下之一:
    本体模型的名称、描述本体模型的概念的内容信息、本体模型的完整构成元素的存储地址、本体模型所属的领域、本体模型所属的命名空间、本体模型的作者。
  13. 根据权利要求12所述的装置,其中,所述装置还包括:
    第一接收模块,设置为接收来自应用实体的检索操作;
    发送模块,设置为发送所述检索操作所请求的本体模型的父资源和子资源的属性信息至所述应用实体,其中,所述子资源的属性信息包括本体模型的完整构成元素的存储地址,用于向所述应用实体提供所请求的本体模型的完整描述。
  14. 根据权利要求11至13中任一项所述的装置,其中,所述装置还包括:
    第二接收模块,设置为接收设备实体或者应用实体的注册请求;
    确定模块,设置为根据所述注册请求中携带的设备实体或者所述应用实体的身份信息或者名称信息,确定与所述设备实体或者所述应用实体对应的本体模型;
    语义标注模块,设置为依据确定的本体模型,通过增加属性或资源的方式对所述设备实体或所述应用实体所生成的实体资源进行语义标注。
  15. 根据权利要求14所述的装置,其中,所述语义标注模块还设置为,生成所述实体资源的语义描述和确定的本体模型的存储地址。
  16. 根据权利要求14所述的装置,其中,
    所述确定模块,还设置为根据所述注册请求中携带的所述设备实体或者所述应用实体的身份信息或名称信息,通过语义推理,在所述物联网平台管理的本体模型中选择适用于所述设备实体或者应用实体的本体模型;
    所述语义标注模块,还设置为根据所述本体模型的完整描述,对所述设备实体或者应用实体所生成的实体资源的进行语义标注。
  17. 根据权利要求14所述的装置,其中,所述装置还包括:
    第三接收模块,设置为接收设备实体或者应用实体发送的基于语义操作的消息,其中,所述消息中携带有语义参数,所述语义操作包括:语义查询和/或设备实体操作;
    处理模块,设置为对所述消息进行基于语义的处理。
  18. 根据权利要求17所述的装置,其中,在所述消息为语义查询消息的情况下,所述处理模块包括:
    第一解析单元,设置为解析并提取所述语义查询消息的关键字;
    第一确定单元,设置为根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的查询信息;
    第一生成单元,设置为根据所述查询信息,生成所述物联网平台支持的查询语句;
    查询单元,设置为通过所述查询语句,查询相应的信息。
  19. 根据权利要求17所述的装置,其中,在所述消息为设备实体操作消息的情况下,所述处理模块包括:
    第二解析单元,设置为解析并提取所述设备实体操作消息的关键字;
    第二确定单元,设置为根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述关键字对应的设备实体及所述设备实体操作消息指示的操作动作;
    第二生成单元,设置为根据设备实体及所述设备实体操作消息指示的操作动作,生成所述设备实体支持的操作指令;
    发送单元,设置为发送所述操作指令至所述设备实体。
  20. 根据权利要求19所述的装置,其中,所述装置还包括:
    地址确定模块,设置为在所述设备实体操作消息中携带设备实体地址的情况下,根据所述设备实体地址确定所述设备实体;或者,在所述设备实体操作消息中未携带所述设备实体地址的情况下,根据所述物联网系统定义的推理规则及本体模型的属性信息,确定所述设备实体,并获取所述设备实体地址。
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