CN103839155A - Method for integrating heterogeneous information system model based on semantic gateway - Google Patents
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Abstract
The invention provides a method for integrating a heterogeneous information system model based on a semantic gateway. The method comprises the following steps that according to different information system modeling methods, semantic gateway models, corresponding adapter models of the semantic gateway and information mapping between the semantic gateway models of the different modeling methods are established; information of each enterprise information system is connected to the semantic gateway model of the corresponding modeling method through the adapter model of the corresponding modeling method, through mapping of the semantic gateway, the information of the corresponding enterprise information system is mapped to and analyzed by the semantic gateway model established through another modeling method, the information is then connected to the enterprise information system established through the corresponding modeling method through the adapter model of another modeling method, and therefore information integration is completed. On the modeling layer of the information system, the semantic gateway integrated modeling structure and the corresponding method are established, information integration of a heterogeneous information system is achieved, and the method has the advantages of being ingenious in conception and feasible in scheme.
Description
Technical field
The present invention is for the information integration field of enterprise's Heterogeneous Information System, and under the support of semantic gateway technique, by the integrated moulding of Heterogeneous Information System, the information of implementing Heterogeneous Information System at model level is integrated.
Background technology
Along with the Design of digital of manufacturing enterprise and the development of manufacture, informationization technology is being brought into play more and more important effect in the business activity of manufacturing enterprise, makes the manufacturing activities of manufacturing enterprise present following characteristics:
1. each service link of manufacturing enterprise is day by day serious to the dependence of information system, and design activity, technique activity, management activity and the manufacturing activities of enterprises all carried out under corresponding infosystem support.The application of product design link, particularly three dimensional CAD system that CAD system has been widely used in enterprise is the epoch to digital prototype by the product design band of enterprise; CAE(Computer Aided Engineering, refers to the structural mechanical property with Computer Aided Solution Analysis of Complex engineering and product, and the performance etc. of optimizing structure.) system makes enterprise be optimized design by engineering analysis, improves the performance of product; CAM technology makes enterprise make full use of the manufacture resources such as numerical control device, improves workmanship and the production efficiency of product; PDM system has effectively been managed the various design resources in product design, has greatly improved the design efficiency of product; CAPP system has effectively been improved the Process Planning of enterprise, has improved technological design level; ERP system has been improved the governing plan level of enterprise; MES system enhancement the efficiency etc. manufactured of Workshop.Therefore, information system is that effective running of each business of enterprises improves good technical support.
2. along with the progressively enforcement of enterprise information system, in order better to bring into play overall benefit, how to promote that the effective integrated operation of each infosystem is the new pursuit of manufacturing enterprise.Information is manufactured to link at each and circulate efficiently, for example, how the structure inventory of product design enters CAPP process system, to realize the parallelization of enterprise in design and processes link; How product structure inventory enters ERP system and provides preparation for producing; How information in CAPP process system enters MES system is carried out scheduling and the production control etc. at Workshop Production scene.Therefore, must get through the information flow of manufacturing enterprise from product design, technological design, planning management and production scheduling overall process, realize the comprehensively integrated of enterprise information system, thus for enterprise bring entirety integrated benefit.
3. along with professionally more competent the further developing of product manufacture, manufacturing enterprise is more and more absorbed in the development of intrinsic advantage, thereby causes collaborative between manufacturing enterprise and cooperate increasingly extensively, and the integrated coordination requirement of manufacturing activities chain constantly strengthens.Share out the work and help one another, the operating mode of joint adventure and interests is the modes that generally adopt, and realize by infosystem, to manufacture in chain the information mutual communication of each manufacturing enterprise be the effective section of having, and manufactures a large amount of enterprises on chain and strengthened the cooperation of business and collaborative by infosystem.
As can be seen here, along with progressively enforcement and the application of enterprise units infosystem, in order to obtain better integrated operation benefit, certainly will relate in a large number between the outside manufacture Lian Zhong enterprise being undertaken by Internet of integrated and enterprise of infosystem of enterprises integrated and collaborative, relate to the integrated of product life cycle overall process, relate to a large amount of isomeries and manufacture the integrated etc. of resources." integrated " and " working in coordination with " becomes manufacturing informatization and develops into important foundation and the technical characterictic of current stage, and " working in coordination with " another be taking " integrated " as prerequisite surely and basis.
But the development of enterprise aspect infosystem integrated is still slower, faces problems, more representational have following some:
1. Enterprise Information System Framework does not take into full account integrated.The infosystem of manufacturing enterprise is all generally progressively implement and apply, there is interim feature, therefore how unit information system meets the current business demand of enterprise in the function of more just considering infosystem itself aspect system and modeling, and because supplier and the enforcement business of each infosystem are not quite similar, making each infosystem is isomery, make infosystem in model process of establishing separately, be difficult to consider and the integration problem of other information systems, cause be difficult to from the information model aspect of business event to support following integrated.For example, due in the implementation procedure of infosystem without any the unified world and domestic standard, the supplier of infosystem generally carries out the design of infosystem according to the situation of self, modeling and realization (but we can think expression Shi Gai supplier's the inside company standard of information model that information system provider provides and information), make to exist between various infosystems different standards, cause between various different information systems understanding differently of information caused, bring great difficulty to the integration of information system between infosystem and the enterprise of enterprises.
2. the integrated very rigidity of enterprises Heterogeneous Information System, makes the development of enterprise information system be subject to integrated constraint.Although infosystem is not considered integrated demand aspect modeling, manufacturing enterprise or the integrated operation for enterprise's entirety have carried out a large amount of integrated work between infosystem.Current integrated be more adopted point-to-point directly integrated, for example utilize the secondary development of infosystem, carry out the interchange of data by the mutual operation of database level between different information systems, or carry out the integrated etc. of information by the mode of mutual call function.The use of these technology has been played some effects to infosystem integrated, but the problem that it exists is also obvious, such integration mode makes the integrated very rigidity that seems of enterprise, once the business of enterprise and administration mode are constantly improved and development, will cause the infosystem of enterprise to adapt to the development of enterprise by the variation of model, original integrated must all the carrying out according to new model of enterprise will be made like this, make the infosystem of enterprise all the time in continuous change, for enterprise brings very large cost and risk, thereby the contradiction that causes Rapid Development of Enterprise and integration of information system to lag behind, therefore, must find the integration of information system problem that a kind of new integration mode solves quick response enterprise development.
3. the integrated demand between Lian Zhong enterprise manufactured is enterprise information system has integratedly brought larger difficulty.Manufacturing enterprise works in coordination with and cooperates with a large amount of enterprises in manufacture chain, one of effective means by integrated between infosystem, but integrated except above-mentioned problem between enterprise, also faces the continuous variation that a larger problem is exactly cooperative enterprise.By the means of market economy, the enterprise manufacturing in chain is is also selecting the superior and eliminating the inferior, cause the external cooperative enterprise of enterprise constantly to change, cooperative enterprise changes and means that integrated between infosystem also can change, also mean that integrated what face is a unknown message system in enterprise, does not up to the present also have a kind of effective integrated technology to adapt to and solves such demand.
To sum up, how the infosystem of existing enterprise meets the current business demand of enterprise in the function of more just considering infosystem itself aspect system and modeling, and because supplier and the enforcement business of each infosystem are not quite similar, making each infosystem is isomery, simultaneously owing to not taking into full account integrated model aspect information model, cause and be difficult to support integrated between Heterogeneous Information System from the information model aspect of business event.
Therefore the information set that, needs a kind of new Integrated and mode to solve Heterogeneous Information System in above-mentioned manufacturing enterprise is a problem.
Summary of the invention
For prior art above shortcomings, the object of the invention is to solve the very difficult integration problem of supporting between Heterogeneous Information System in information model aspect of business event, provide the information set of Heterogeneous Information System in a kind of manufacturing enterprise to be a problem.
Solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of Heterogeneous Information System model integrated approach based on semantic gateway, is characterized in that: comprise the steps:
(1) set up the semantic gateway integrated moulding structure of each Heterogeneous Information System, set up the model of semantic gateway according to different information systems modeling method;
(2) set up the corresponding adaptor model of semantic gateway, it is the model being connected with corresponding semantic gateway model for the existing information model of enterprise; That is, the IDEF model of semantic gateway needs to set up the semantic gateway adaptor model of an IDEF method simultaneously, and this adaptor model is for the connection of the semantic gateway system of the enterprise information system with IDEF Method Modeling and IDEF Method Modeling; UML adaptor model is for the connection of the semantic gateway system of the enterprise information system with UML Method Modeling and UML Method Modeling; GRAI adaptor model is for the connection of the semantic gateway system of the enterprise information system with GRAI Method Modeling and GRAI Method Modeling;
(3) set up the information mapping between the semantic gateway model of different modeling methods, the information of setting up between the semantic gateway model of IDEF method and the semantic gateway model of UML method is shone upon; Set up the information mapping between the semantic gateway model of IDEF method and the semantic gateway model of GRAI method; Set up the information mapping between the semantic gateway model of UML method and the semantic gateway model of GRAI method;
(4) information exchange of enterprise information system is crossed the adaptor model of corresponding modeling method and the semantic gateway model of correlation method is connected, its information is through the mapping of semantic gateway, information is mapped in the semantic gateway model of another modeling method foundation, the semantic gateway model of another kind of modeling method is resolved information, then by the adaptor model of another modeling method, information is connected in the enterprise information system of this modeling method foundation, completes the integrated of information.
Further, described step (1) is set up a kind of semantic gateway integrated moulding structure, comprising:
1) set up the IDEF1X method model of semantic gateway:
1.1 semantic Maintenance Model:
The foundation of semantic Maintenance Model, due to the more considerations of semantic Maintenance Model be, semantic integrality in manufacturing enterprise's system is described, so extract on the basis of total element in the model of information model storehouse, be need to replenish concept subsystem model when integrated semantics flaw, then can realize the establishment of semantic gateway entity maintaining model, as shown in Figure 2.
1.2 semantic criteria models:
Semantic criteria model needs semantic Maintenance Model to carry out once more abstract, except semantic field is carried out standardization, also need the high-level concept in semantic Maintenance Table to carry out full maintenance, therefore we introduce " semantic level " entity, and because semantic gateway is towards region-wide, the integrated technology of whole world resource even, make a return journey and distinguish different semantic gateways so need to set up " semantic gateway " entity.
1.3 Semantic mapping models:
Before setting up Semantic mapping model, the concept that need to clearly shine upon and basic characteristics, mapping relations are to describe the formal description of one of corresponding relation between entity or example.Formed by following several respects: source entity, target entity, mapping operator.Shine upon maximum feature and be its directivity, show flowing of its data, the data that flow out from source entity model, pass through mapping operator or are called mapping function, and data are processed, and are then input to target entity, to complete mapping.
Due to the demand of business, not all data of information system is all unidirectional, and an entity is not source entity or target entity forever.So we many times still need to set up reverse Mapping function in the time setting up forward mapping function.Here acquiescence is in the time that forward mapping function and reverse Mapping function are sky, represent and between entity, only have Conceptual Projection, and for example, without the mapping of content, between table name and table name.
2) set up the adaptor model of the IDEF1X method of semantic gateway:
2. 1Agent triggers message model:
It is the model being connected with information subsystem model that Agent triggers message model, wherein the relation of message entity and sub-infosystem entity embodies certain Integrated Trait, having triggered message semantic definition and in infosystem, treated the information model of integrated information in integrating process, is the first step in information integrating process.
2. 2 semantic gateway message models, semantic subscribe model:
Semantic gateway message model is to trigger on the basis of message model, carries out once semantic replacement and obtains a new message,
3) original system IDEF1X information model expansion:
Use IDEF1X method to expand prime information system model, for example work-ticket statistical information in the man-hour model in MES system is expanded, information model as shown in Figure 8, has described the mutual relationship between information and the information producing in work-ticket statistic processes in man-hour.Under the intergration model based on semantic gateway, carry out entity expansion modeling for the monitored entity of needs, introduce monitoring and represent " detect ", represent that these entity needs are monitored, be the information entity model that needs semantic gateway to safeguard.
4) the semantic gateway of IDEF1X method gather model:
The semantic gateway of IDEF1X method gather model as shown in Figure 8:
5) the IDEF0 function modeling method of semantic gateway;
By the functional analysis to semantic gateway, rationally describe from the function of general level and semantic gateway, and then each functional module is further segmented, describe out that each semantic gateway possesses Agent message trigger, semanticly subscribe to, the functional-structural information such as semantic parsing, semantic route, Agent message parse, on this basis, above-mentioned functions of modules is further specialized, describe out the function information transitive relation between informational function structure and each functional module of functional module inside, finally complete the IDEF0A function modeling process of semantic gateway.
The A0 that is depicted as the IDEF0 model of semantic gateway as Fig. 9-1 schemes; The refinement of the semantic A3 of parsing functional module obtains A31-A35 and schemes;
6) Information System Function model extension in the IDEF0 integrated model based on semantic gateway:
Under semantic gateway environment, introduce the A-0 model of the inner sub-infosystem of manufacturing enterprise, the relation of the data flowing relation between system, required integrated data and semantic gateway is clearly described with IDEF0 model.As shown below is typical manufacturing enterprise internal information system integration pattern, the infosystem wherein comprising has information management system (MIS), engineering design system (EDS), manufacturing execution system (MES), and the data stream between system as shown in figure 10;
7) semantic gateway functional mode in the GRAI integrated model based on semantic gateway:
Semantic net is related to that turnkey, containing multiple modules, therefore, need to adopt layering GRAI modeling method to be described semantic gateway system.Figure 11 is respectively the operational mode grid of semantic gateway and semantic process of analysis operational mode grid wherein.
8) Information System Function model extension in the GRAI integrated model based on semantic gateway:
Under semantic gateway environment, introduce the GRAI model of the inner atom information system of manufacturing enterprise, the relation of the data flowing relation between system, required integrated data and semantic gateway is clearly described with GRAI model.As shown below is typical manufacturing enterprise internal information system integration pattern, the infosystem wherein comprising has information management system (MIS), engineering design system (EDS), manufacturing execution system (MES), and the data stream between system as shown in figure 12.
9) the semantic gateway model of uml class figure modeling method:
Semantic description maintenance class class figure:
Middle the needed integrated field entity of semantic description model corresponding informance subsystem, list field and database shows field comprising database, the intersegmental relation of two kinds of fields and semantic word is generalization, be the relation between generality and particularity, comprise four kinds of general polymerizations and two kinds of polymerization mix relations below.Figure 13 is the semantic Maintenance Model of semantic gateway UML:
9.2 semantic description standard class figure:
The corresponding semantic description standard of semantic description standard class entity, the attribute in its attribute and IDEF1X model is consistent.Because so the Coexistence of semantic level and description standard is polymerization mix relation here.Figure 14 is semantic gateway UML semantic criteria model:
9.3 Semantic mapping class figure:
Semantic mapping model remains the key content in data modeling process, in object-oriented modeling process, because the set of modeling concept is compared with the change of IDEF1X method, can clearly define basic concepts.
It is the formal description of one of describing corresponding relation between class or object that mapping relations can be described as.Formed by following several respects: source class, target class, mapping operator.Shine upon maximum feature and be its directivity, show flowing of its data, the data that flow out from the class model of source, pass through mapping operator or are called mapping function, and data are processed, and are then input to target class, to complete mapping.Figure 15 is semantic gateway UML Semantic mapping model:
10) the semantic gateway adaptor model of uml class figure modeling method:
Mainly comprise and trigger classes of messages figure, semantic gateway classes of messages figure, semantic subscribe message class graph model.The message content triggering in classes of messages and semantic gateway classes of messages can represent with JSON form; Semantic subscription in class, what semantic subscriber described is to manufacture called side enterprise subsystem in resource, what called side was described is to manufacture subscribed enterprise's subsystem in resource; Agent code word is the class message that semantic gateway generates automatically, and such message, for realizing final data sharing, is the data class that semantic intra-gateway forms, and does not need user to be configured it.Figure 16 is the semantic adaptive model of semantic gateway UML:
11) the semantic gateway of uml class figure modeling method gathers model:
UML modeling based on semantic gateway gathers model as shown in figure 17:
12) mapping method based on IDEF1X model and uml class figure:
Based on IDEF1X model and uml class figure mapping method, the work of carrying out on the basis of the data integration model research to semantic gateway, this step can realize the mutual understanding between the data model of semantic gateway, intercommunication mutually, realizes integrated between IDEF1X information subsystem model and UML information subsystem class figure then.To the effect that, the aspect such as concept used and graphical descriptions creates mapping association when shining upon between semantic gateway information model in the work of this part.
Be that IDEF1X or uml model all carry out tissue-welding to certain content according to the syntax rule of oneself and form, therefore mapping method is also needed mapping method during to semantic gateway modeling for two kinds of methods.Here the mapping method said, from essence, is made a return journey and is described in the content of describing under another kind of method by a kind of method exactly, and sets up a kind of relation of equivalence.
1. the mapping ruler between entity and class:
Entity is a set with reality and the abstract things of same alike result or feature.Class is one group of set with the object of same alike result and same operation, is the abstract of object.By describing, we find between the two and similar, but different, the entity in IDEF1X comprise independent community, subordinate entity two layers of meaning.And class is not classified to it, the syntax rule of class, cannot solve two kinds of mappings between method, what therefore realize here is the unidirectional mapping of IDEF1X to UML, in the time that uml class figure is mapped to IDEF1X entity, need to whether can carries out independent identification according to its attribute according to class and shine upon.Can independent identification be independent community, what can not identify is subordinate entity.
2. IDEF1X attribute and class figure attribute:
The class that refers to attribute in IDEF1X realizes or a kind of feature or the character of abstract things.Attribute in class figure is the static nature that the object for describing class has.Attribute in class figure also comprises the contents such as observability, multiple value, type, but the sign content to these attributes can be ignored in semantic gateway data modeling, and a reserved property title therefore between the two can two-way mapping in certain aspect.But should be noted that at following 2: 1, the attribute of a class is while being come by other inheritances of attribute, in IDEF1X, represent with external key, and represent with object member in UML, a kind of expression be an attribute, what another kind represented is a class, between the two mapping.2, in UML, major key is not defined, therefore in the time that both shine upon, be also unidirectional mapping, and in the time expressing the content in UML with IDEF1X, whether be major key attribute according to this attribute, it is transformed.
3. the relation in IDEF1X contact and UML:
Contact in IDEF1X is a kind of logical relation of inter-entity, comprises and demarcates contact, non-demarcation contact, classification contact, classification contact.In UML, relation is to describe static relation between class, comprises that extensive, general polymerization, combination are associated with associated.And in the data modeling process of semantic gateway, do not need dependence to set forth, therefore it is not shone upon here.
Demarcate contact and the mapping of general polymerization: whether exist the relation of whole and part to have if analyze the inter-entity of demarcating contact, and not need to coexist be exactly general polymerization.Analyze between the entity of general polymerization, wherein whether a side is determined by the opposing party if be exactly so demarcation contact.
Demarcate contact and the mapping of polymerization mix: connect the inter-entity contacting and whether exist the relation of whole and part to have if analyzed, and need to coexist be exactly polymerization mix.Analyze between the entity of composite polymeric, wherein whether a side is determined by the opposing party if be exactly so demarcation contact.
Demarcate contact and associated mapping: between analyzing and associating entity, whether having the relation of whole and part, if not, is association.Between the entity of analyzing and associating, wherein whether a side is determined by the opposing party if be exactly so demarcation contact.
The mapping of non-demarcation contact and general polymerization: whether exist the relation of whole and part to have if analyze the inter-entity of non-demarcation contact, and not need to coexist be exactly general polymerization.Analyze between the entity of general polymerization, each entity can both unique identification, is non-demarcation contact so with regard to this contact.
The mapping of non-demarcation contact and polymerization mix: connects the inter-entity contacting and whether exist the relation of whole and part to have if analyzed, and need to coexist be exactly polymerization mix.Analyze between the entity of composite polymeric, each entity can both unique identification, is non-demarcation contact so with regard to this contact.
Non-demarcation contact and associated mapping: between analyzing and associating entity, whether having the relation of whole and part, if not, is association.Between the entity of analyzing and associating, each entity can both unique identification, is non-demarcation contact so with regard to this contact.
Classification contacts and extensive mapping: general entity shines upon general class, classification entity mapping special defects.
Compared to existing technology, the present invention has following beneficial effect:
(1) this method is based on granted patent: a kind of semantic gateway for the enterprise informatization heterogeneous system integration (authorizing ZL200910104048.6/879136) is carried out.Semantic gateway technique will be in shoring of foundation effect aspect heterogeneous system integration modeling structure and method.
(2) set up a kind of semantic gateway integrated moulding structure, as Fig. 1.Consider that semantic gateway is also a kind of infosystem, therefore sets up the model of semantic gateway according to different information systems modeling method.For example set up the IDEF model of semantic gateway according to IDEF method; Set up the uml model of semantic gateway according to UML method; Set up the GRAI model of semantic gateway according to GRAI method.Can set up corresponding semantic gateway model according to current Information System Modeling method in theory.
(3) set up the corresponding adaptor model of semantic gateway.This adaptor model is the model being connected with corresponding semantic gateway model for the existing information model of enterprise.That is, the IDEF model of semantic gateway needs to set up the semantic gateway adaptor model of an IDEF method simultaneously, and this adaptor model is for the connection of the semantic gateway system of the enterprise information system with IDEF Method Modeling and IDEF Method Modeling.Same, UML adaptor model is for the connection of the semantic gateway system of the enterprise information system with UML Method Modeling and UML Method Modeling; GRAI adaptor model is for the connection of the semantic gateway system of the enterprise information system with GRAI Method Modeling and GRAI Method Modeling.
If there is other modeling methods, adopt same thinking to set up corresponding adaptor model.
(4) set up the information mapping between the semantic gateway model of different modeling methods, the information of setting up between the semantic gateway model of IDEF method and the semantic gateway model of UML method is shone upon; Set up the information mapping between the semantic gateway model of IDEF method and the semantic gateway model of GRAI method; Set up the information mapping between the semantic gateway model of UML method and the semantic gateway model of GRAI method.If there is the modeler model of additive method, same thought processing, modeling method in N, needs to set up
individual mapping relations.
(5) information exchange of enterprise information system is crossed the adaptor model of corresponding modeling method and the semantic gateway model of correlation method is connected, its information is through the mapping of semantic gateway, information is mapped in the semantic gateway model of another modeling method foundation, the semantic gateway model of another kind of modeling method is resolved information, then by the adaptor model of another modeling method, information is connected in the enterprise information system of this modeling method foundation, completes the integrated of information.The information model aspect that solves thus business event is difficult to support the integration problem between Heterogeneous Information System.
Brief description of the drawings
The heterogeneous system integrated modeling framework block scheme of Fig. 1 based on semantic gateway;
The semantic Maintenance Model of the semantic gateway IDEF1X of Fig. 2;
The semantic gateway IDEF1X of Fig. 3 semantic criteria model;
The semantic gateway IDEF1X of Fig. 4 Semantic mapping model;
The IDEF1X Agent code model of the semantic gateway of Fig. 5;
The semantic gateway message model of IDEF1X of the semantic gateway of Fig. 6;
The expansion of Fig. 7 original system IDEF1X information model;
Fig. 8 gathers model based on the integrated IDEF1X of semantic gateway system;
Fig. 9-1st, semantic gateway functional mode in the IDEF0 integrated model of semantic gateway;
Fig. 9-2nd, the built-in function refined model of " the semantic A3 that resolves " in Fig. 9-1;
Information System Function model extension in the IDEF0 integrated model of Figure 10 based on semantic gateway;
Semantic gateway functional mode in the GRAI integrated model of the semantic gateway of Figure 11;
Information System Function model extension in the GRAI integrated model of Figure 12 based on semantic gateway;
The semantic Maintenance Model of the semantic gateway UML of Figure 13;
The semantic gateway UML of Figure 14 semantic criteria model;
The semantic gateway UML of Figure 15 Semantic mapping model;
The semantic adaptive model of the semantic gateway UML of Figure 16;
Figure 17 gathers model based on the integrated UML of semantic gateway system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1: adopt in manufacturing enterprise ERP system to illustrate to the integrated model between MES system this based on semantic gateway integrated moulding structure and method, adopt IDEF1X method to complete modeling in modeling process.
Suppose that " completion date " field of " work order " entity in " end time " field of " fabrication plan list " entity in ERP system and MES system need to carry out integrated, when integrated, the data variation that requires " completion date " field in MES system to occur will successfully be updated in the field of " end time " in ERP system.Completion system modeling as follows:
Step 4, sets up the semantic Maintenance Model of IDEF1X, " completion date " field in MES system is carried out to semantic specification, by the semantic specification of " 2012/12/8/14:55 " conduct " completion date ".Semantic Maintenance Model as shown in figure 10.
Step 5, set up Semantic mapping model, determine the mapping operator of " completion date " field from MES system to ERP system, operator content is " xxxx/xx/xx/xx:xx " time format that " xxxx.xx.xx:xx:xx " time format in MES system is all converted into ERP system; " work order " field name in MES system is mapped as to " fabrication plan list " field name in ERP system.Semantic mapping model as shown in figure 11.
Step 6, sets up message trigger model, introduces " message trigger " entity, " completion date " field contents in " work order " in MES system semantic table is carried out to transition information collection, record variation time of origin, content of operation is set to " amendment ", forms and triggers message content.Message trigger model as shown in figure 12.
Step 7, the foundation of semantic gateway message model, " completion date " from MES system triggered to the next semantic intra-gateway of message and complete field contents mapping, and the semanteme from ERP system is scheduled to message together with ERP system interface IP address information, information after mapping is carried out to information restructuring, be met the semantic gateway messages of ERP data base organization form.Semantic gateway message model as shown in figure 13.
Step 8, semantic gateway produces Agent code model, has comprised the field contents retouching operation to " end time " in ERP system " fabrication plan list " table in Agent code.Agent code model as shown in figure 14.
To sum up, the present invention solves Semantic Heterogeneous problem between different system model.Between different system, the object of message exchange is the implication that obtains exchange message representative, the exchange of the information that realizes in implication, instead of the exchange of simple information itself.The information that most application system produces does not adopt unified syntactic description form, and information varies in syntactic description, has caused the syntactic metacharacter on information representation.Just because of there is no unified standard, objective each information system provider that caused has adopted the company standard of self to carry out Information System Design, therefore will solve the integrated problem to semantic information correct understanding of heterogeneous system, the Information System Modeling aspect first needing solves.
The present invention solves modeling method collision problem between different system model.Owing to there is no unified standard, therefore the model that infosystem has adopted different modeling methods to carry out system in the design phase is at present set up, the information set that will fundamentally solve Heterogeneous Information System is a problem, just must solve under multi-modeling method the integration problem between the different models of Heterogeneous Information System.
The present invention, from the modeling aspect of infosystem, sets up a kind of semantic gateway integrated moulding structure and corresponding method, and the design of infosystem top layer just solves the integration problem between following Heterogeneous Information System, and the information that realizes Heterogeneous Information System is integrated; Have advantages of be skillfully constructed, scheme is feasible.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although above-described embodiment has been described in detail the present invention, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. the Heterogeneous Information System model integrated approach based on semantic gateway, is characterized in that: comprise the steps:
(1) set up the semantic gateway integrated moulding structure of each Heterogeneous Information System, set up the model of semantic gateway according to different information systems modeling method;
(2) set up the corresponding adaptor model of semantic gateway, it is the model being connected with corresponding semantic gateway model for the existing information model of enterprise; That is, the IDEF model of semantic gateway needs to set up the semantic gateway adaptor model of an IDEF method simultaneously, and this adaptor model is for the connection of the semantic gateway system of the enterprise information system with IDEF Method Modeling and IDEF Method Modeling; UML adaptor model is for the connection of the semantic gateway system of the enterprise information system with UML Method Modeling and UML Method Modeling; GRAI adaptor model is for the connection of the semantic gateway system of the enterprise information system with GRAI Method Modeling and GRAI Method Modeling;
(3) set up the information mapping between the semantic gateway model of different modeling methods, the information of setting up between the semantic gateway model of IDEF method and the semantic gateway model of UML method is shone upon; Set up the information mapping between the semantic gateway model of IDEF method and the semantic gateway model of GRAI method; Set up the information mapping between the semantic gateway model of UML method and the semantic gateway model of GRAI method;
(4) information exchange of enterprise information system is crossed the adaptor model of corresponding modeling method and the semantic gateway model of correlation method is connected, its information is through the mapping of semantic gateway, information is mapped in the semantic gateway model of another modeling method foundation, the semantic gateway model of another kind of modeling method is resolved information, then by the adaptor model of another modeling method, information is connected in the enterprise information system of this modeling method foundation, completes the integrated of information.
2. the Heterogeneous Information System model integrated approach based on semantic gateway according to claim 1, is characterized in that: described step (1) is set up a kind of semantic gateway integrated moulding structure, comprising:
1) set up the IDEF1X method model of semantic gateway;
1.1 semantic Maintenance Model;
The foundation of semantic Maintenance Model, due to the more considerations of semantic Maintenance Model be, semantic integrality in manufacturing enterprise's system is described, so extract on the basis of total element in the model of information model storehouse, be need to replenish concept subsystem model when integrated semantics flaw, then can realize the establishment of semantic gateway entity maintaining model;
1.2 semantic criteria models;
Semantic criteria model needs semantic Maintenance Model to carry out once more abstract, except semantic field is carried out standardization, also need the high-level concept in semantic Maintenance Table to carry out full maintenance, introduce " semantic level " entity, and because semantic gateway is towards region-wide, the integrated technology of whole world resource even, make a return journey and distinguish different semantic gateways so need to set up " semantic gateway " entity;
1.3 Semantic mapping models;
Before setting up Semantic mapping model, the concept that need to clearly shine upon and basic characteristics, mapping relations are to describe the formal description of one of corresponding relation between entity or example; Formed by following several respects: source entity, target entity, mapping operator, shine upon maximum feature and be its directivity, show flowing of its data, the data that flow out from source entity model, pass through mapping operator or be called mapping function, data are processed, be then input to target entity, to complete mapping.
3. the Heterogeneous Information System model integrated approach based on semantic gateway according to claim 1, is characterized in that: described step (2) is set up the adaptor model of the IDEF1X method of semantic gateway; Comprise
2.1Agent triggers message model;
It is the model being connected with information subsystem model that Agent triggers message model, wherein the relation of message entity and sub-infosystem entity embodies certain Integrated Trait, having triggered message semantic definition and in infosystem, treated the information model of integrated information in integrating process, is the first step in information integrating process;
2.2 semantic gateway message models, semantic subscribe model;
Semantic gateway message model is to trigger on the basis of message model, carries out once semantic replacement and obtains a new message;
3) original system IDEF1X information model expansion;
Use IDEF1X method to expand prime information system model, under the intergration model based on semantic gateway, carry out entity expansion modeling for the monitored entity of needs, introduce monitoring and represent " detect ", represent that these entity needs are monitored, be the information entity model that needs semantic gateway to safeguard;
4) the semantic gateway of IDEF1X method gather model;
5) the IDEF0 function modeling method of semantic gateway;
By the functional analysis to semantic gateway, rationally describe from the function of general level and semantic gateway, and then each functional module is further segmented, describe out that each semantic gateway possesses Agent message trigger, semanticly subscribe to, the functional-structural information such as semantic parsing, semantic route, Agent message parse, on this basis, above-mentioned functions of modules is further specialized, describe out the function information transitive relation between informational function structure and each functional module of functional module inside, finally complete the IDEF0A function modeling process of semantic gateway;
6) Information System Function model extension in the IDEF0 integrated model based on semantic gateway;
Under semantic gateway environment, introduce the A-0 model of the inner sub-infosystem of manufacturing enterprise, the relation of the data flowing relation between system, required integrated data and semantic gateway is clearly described with IDEF0 model;
7) semantic gateway functional mode in the GRAI integrated model based on semantic gateway;
Semantic net is related to that turnkey, containing multiple modules, therefore, need to adopt layering GRAI modeling method to be described semantic gateway system;
8) Information System Function model extension in the GRAI integrated model based on semantic gateway;
Under semantic gateway environment, introduce the GRAI model of the inner atom information system of manufacturing enterprise, the relation of the data flowing relation between system, required integrated data and semantic gateway is clearly described with GRAI model;
9) the semantic gateway model of uml class figure modeling method;
Middle the needed integrated field entity of semantic description model corresponding informance subsystem, lists field and database shows field comprising database, and the intersegmental relation of two kinds of fields and semantic word is generalization;
9.2 semantic description standard class figure:
The corresponding semantic description standard of semantic description standard class entity, the attribute in its attribute and IDEF1X model is consistent; 9.3 Semantic mapping class figure:
Semantic mapping model remains the key content in data modeling process, in object-oriented modeling process, because the set of modeling concept is compared with the change of IDEF1X method, can clearly define basic concepts;
It is the formal description of one of describing corresponding relation between class or object that mapping relations are described as;
10) the semantic gateway adaptor model of uml class figure modeling method:
Mainly comprise and trigger classes of messages figure, semantic gateway classes of messages figure, semantic subscribe message class graph model; The message content triggering in classes of messages and semantic gateway classes of messages can represent with JSON form; Semantic subscription in class, what semantic subscriber described is to manufacture called side enterprise subsystem in resource, what called side was described is to manufacture subscribed enterprise's subsystem in resource; Agent code word is the class message that semantic gateway generates automatically, and such message, for realizing final data sharing, is the data class that semantic intra-gateway forms, and does not need user to be configured it;
11) the semantic gateway of uml class figure modeling method gathers model;
12) mapping method based on IDEF1X model and uml class figure:
Based on IDEF1X model and uml class figure mapping method, the work of carrying out on the basis of the data integration model research to semantic gateway, this step can realize the mutual understanding between the data model of semantic gateway, intercommunication mutually, realizes integrated between IDEF1X information subsystem model and UML information subsystem class figure then;
Be that IDEF1X or uml model all carry out tissue-welding to certain content according to the syntax rule of oneself and form, therefore mapping method is also needed mapping method during to semantic gateway modeling for two kinds of methods;
Here the mapping method said, from essence, is made a return journey and is described in the content of describing under another kind of method by a kind of method exactly, and sets up a kind of relation of equivalence;
1. the mapping ruler between entity and class:
Entity is a set with reality and the abstract things of same alike result or feature; Class is one group of set with the object of same alike result and same operation, is the abstract of object; In the time that uml class figure is mapped to IDEF1X entity, need to whether can carries out independent identification according to its attribute according to class and shine upon; Can independent identification be independent community, what can not identify is subordinate entity;
2. IDEF1X attribute and class figure attribute:
The class that refers to attribute in IDEF1X realizes or a kind of feature or the character of abstract things; Attribute in class figure is the static nature that the object for describing class has;
Attribute in class figure also comprises the contents such as observability, multiple value, type, but the sign content to these attributes can be ignored in semantic gateway data modeling, and a reserved property title therefore between the two can two-way mapping in certain aspect;
3. the relation in IDEF1X contact and UML:
Contact in IDEF1X is a kind of logical relation of inter-entity, comprises and demarcates contact, non-demarcation contact, classification contact, classification contact; In UML, relation is to describe static relation between class, comprises that extensive, general polymerization, combination are associated with associated.
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