CN106550028A - A kind of Multi-Agent Negotiation model of Service-Oriented Architecture Based - Google Patents
A kind of Multi-Agent Negotiation model of Service-Oriented Architecture Based Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The present invention relates to a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based, it includes negotiation service end and consultative management platform, and negotiation service end includes the Agent resources banks for carrying out information exchange and consults Agent；Consultative management platform includes that consultative management Agent, consultative management Agent are based on SOA security mechanisms；Negotiation service end provides the user registration service, and by providing negotiation service for consultative management platform using passage, consults Agent by message transmission instantiation, receive the management of consultative management platform by management passage；Consultative management platform by carrying out dynamic registration, lookup, matching using passage and assessing to subject under discussion, the negotiation Agent for accessing consultative management platform is converted to into negotiation service, and communication and the information transmission of each side are realized with Web Service, by management passage dynamic lookup negotiation service, dynamic matches the carrying out for consulting work using negotiation service.
Description
Technical field
The invention belongs to areas of information technology, and in particular to a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based.
Background technology
Into the nineties in 20th century since, development along with 1nternet technologies and increasingly mature, ecommerce becomes
The inevitable outcome of modern information technologies development, and the objective requirement of fierce market competition.The intellectuality of ecommerce, for example, search
Suo Daili, the active recommendation of the seller and bilateral and multilateral consultations etc., can be faster and better enterprise application service.In electronics business
In business system, its software application framework is the core pillar of software systems, and the quality of framework often determines whole from the beginning
The success or failure of set system scheme.Subject matter in ecommerce is resource wander and information overload, is specifically exactly information
Needed for information in time can not be supplied to the user for needing most, the user of information not to know how to find by supplier on one's own initiative
Information.
In ecommerce, although Information technology has been that enterprise introduces new management style, is allowed in transaction flow
Automatic business processing is carried out, but the mechanism that cannot be supplied to one negotiation of both parties carries out automated transaction.In general, electronics
Business web site is provided solely for the electronics of product catalog and searches interface so that ultimate consumer has no dominant right in the price of product
And bargaining power.Although there is minority electrons business web site to provide price agreed-upon price function on line, such as transmitted in the way of Email
Pricing information employs professional in online negotiation agreed-upon price, but not only exchange hour is elongated and for both parties are both needed to bear
The higher bargaining cost of load, and the entity buying behavior of the mode of doing business of this virtual shop and actual life, not too
Big difference, transaction bargaining process still needs to the participation of personnel can be carried out.
Agent technologies have widely been used in ecommerce at present.For example：Kasbah, Anderson of MIT is turned round and look at
The BargainFinder of company and the AuctionBot of University of Michigan etc. are asked, the system of these companies is by agency
The independence of program, enthusiasm and coordinate the Agent characteristics such as social ability, in the environment of network, perform user and given
Giving for task.
Development prospect of the Agent technologies in ecommerce makes us good, but the achievement in research of current Agent is in various electricity
Application in sub- business system also than relatively limited, between the achievement in research of Agent and the actually used ecommerce arrived of people
Have a long way to go.In recent years, Agent technologies were tracked, paid agency and auction, aspect of bidding in commercial articles searching, user behavior
Using relatively more.The e-commerce system that presently, there are is taken a broad view of, the phase proposed using Service-Oriented Architecture Based and with reference to both parties
Close subject under discussion just very few using the system that multi-Agent carries out auto negotiation.In the foundation of protocol model, most protocol models
All it has been short of on consulting tactical and study mechanism；Many subjects under discussion are merged and have been realized using Service-Oriented Architecture Based technology many
Agent protocol models are even more blank out.
There is problems with existing protocol model：1) most protocol models are relatively simple for structure, lack consider reasoning and
Impact of the study mechanism to consulting, also lacks to use for reference and consults history as negotiation experience, and consulting tactical is relatively simple.2) most associations
Quotient module type is the negotiation towards single subject under discussion, and multi-issues negotiation is also very immature so that Negotiation object is relatively simple, flexibility and suitable
Answering property is poor, it is impossible to adapt to the development of current ecommerce.3) in the face of the very fast development of ecommerce, current protocol model
All have no ability to break through the restriction for consulting unification, it is impossible to realize that polygons, polytropy, subject under discussion that both parties consult are variable
Property, the proposition of subject under discussion and property description etc..4) in Bargaining Theory, existing model based on decision theory be all not above
Nash decision theories.5) for Bargaining Theory, the formal understanding to negotiations process and expression are still lacked, so also not having at present
There is gratifying negotiating system.Particularly at home, the research of this respect is still in the starting stage, needs further deep
Enter.
The content of the invention
In order to solve the problems referred to above of prior art presence, the invention provides a kind of based on many of Service-Oriented Architecture Based
Agent protocol models, the system can realize the diversity for consulting subject under discussion, it is established that the negotiation mould of the polygon many subjects under discussion of heterogeneous system
Type.
To realize object above, the technical solution adopted in the present invention is：A kind of multi-Agent based on Service-Oriented Architecture Based
Protocol model, it is characterised in that：It includes negotiation service end and consultative management platform, and the negotiation service end includes that Agent is provided
Source storehouse and negotiation Agent, the Agent resources banks and negotiation Agent carry out information exchange；The consultative management platform includes association
Business manages Agent, and the consultative management Agent is based on SOA security mechanisms；
The negotiation service end provides the user registration service, and by providing negotiation for consultative management platform using passage
Service, consults Agent by message transmission instantiation, receives the management of the consultative management platform by management passage；
The consultative management platform will be connect by dynamic registration, lookup, matching being carried out to subject under discussion using passage and being assessed
The negotiation Agent for entering the consultative management platform is converted to negotiation service, and the communication of each side is realized with Web Service
With the transmission of information, by management passage dynamic lookup negotiation service, dynamic is matched using negotiation service consults entering for work
OK.
Further, the multi-agent negotiation system of Service-Oriented Architecture Based is divided into three layers by the negotiation service end, including
Management and application-interface layer, logic business layer and data-interface.
Further, the negotiation service end includes working centre part, higher management part and data-interface, the work
Make core and consult Agent for buyer/seller, the buyer/seller consult Agent include being responsible for evaluation work Agent,
Consult inference machine and resource management center；The higher management part includes service-oriented management and using passage, negotiation
Agent drives and consultative management intermediary；The data-interface includes subject under discussion data management, consults the management of Agent instance datas
Interface and resource acquisition interface.
Further, the working mechanism of the negotiation Agent is：The work of the negotiation Agent is by the association
Business's management platform provides negotiation service, and the action distribution for receiving the consultative management platform is required, is gone in the form of business-driven
The calculating of the activation negotiation Agent, reasoning, study.
Further, the user at the negotiation service end is divided into two classes, and one is the large-scale supplier of certain class commodity or demand
Business, which is directed to big companies, manufacturer and electronic business web site；Two is the small-sized supplier of certain class commodity or demand
Business, which is directed to individual consumer and small company.
Further, the mode for triggering the negotiation Agent work has three kinds,
(1) user triggers the negotiation Agent by User Interface：Small user is by specialized market electronics
User Interface in business web site produce business demand and trigger the negotiation Agent；Large-scale user is by Web
User Interface in Server trigger the negotiation Agent；
(2) negotiation service administration agent NSMA triggers the negotiation Agent by Service Interface；
(3) external system triggers the negotiation Agent by obtaining asset communication interface business demand.
Further, in the Multi-Agent Negotiation model, negotiation communication participant participates in the citation form point of negotiation communication
For following three kinds：
(1) register subject under discussion：Subject under discussion service centre in the consultative management platform does not exist and meets request negotiation service
During the subject under discussion of person's demand, requestor proposes registration subject under discussion service request；
(2) consult request：Under the driving that terminal use proposes negotiation demand, buyer/seller consults Agent to negotiation pipe
Platform proposes to consult request, sends to consultative management platform and consult to propose in solicited message is consulted；Consultative management platform root
Determine that the opposing party for having the right to participate in consulting consults Agent according to the proposal of requesting party；
(3) matching is proposed：After buyer/seller consults Agent submits its proposal to consultative management platform, negotiation service pipe
Reason acts on behalf of the subject under discussion that NSMA consults according to the proposal information matches submitted in subject under discussion service centre, has the right to participate in what is consulted to choose
Agent。
Further, the negotiation communication between the negotiation service end and consultative management platform is related to following critical entities：
(1) propose：Buyer/seller consults Agent the proposed influence factors in negotiation according to demand；
(2) subject under discussion：Buyer/seller is affected to consult the factor that Agent consults；
(3) subject under discussion domain of definition：One of subject under discussion is described, while containing the factor of influence for having an impact subject under discussion example；
(4) the subject under discussion factor：Affect the index of subject under discussion example；
(5) subject under discussion example：For an instantiation of certain subject under discussion.
Further, primitive interface is described using WSDL in the Multi-Agent Negotiation model, which specifically includes：(1) use
The operation of WSDL describes primitive；(2) describing primitive using the data type of WSDL needs the data of transmission；(3) using WSDL's
Accessing points and port describe service position, the use of WSDL bindings are effectively service.
Further, soap protocol encapsulation primitive message used in the Multi-Agent Negotiation model；First, primitive is believed
The content packaging of breath and message in whole SOAP envelopes, then by various Internet protocols by the SOAP envelope conveyings
Go out.
Due to using above technical scheme, beneficial effects of the present invention are：Service-Oriented Architecture Based (SOA) is introduced by the present invention
To multi-agent negotiation system, the degree of coupling make between negotiation Agent, consulted between Agent and the consultative management not for another example before one
Sample closely, but is changed into loosely-coupled relation.According to Agent communications and negotiation primitive definitions service interface, with Web
Based on Services, Agent will be consulted and negotiation is expressed as providing negotiation service so as to drive Agent's with business service
Work, can not be limited by particular platform, particular system, during participating in holding consultation with other Agent.Can realize
Consult the personalization of subject under discussion and the dynamic for changing on demand in certain limit, the energy for consulting Agent can be improved to a certain extent
Power, allows negotiation to be no longer limited to some specific Negotiation objects；According to the characteristics of the protocol model, subject under discussion is described, to association
Business's operation primitive is defined so that subject under discussion and negotiation primitive are adapted to demand, so as to not by regular issue to protocol model
Restriction.
Description of the drawings
Fig. 1 is a kind of logic of Multi-Agent Negotiation model based on Service-Oriented Architecture Based that one embodiment of the invention is provided
Structural representation；
Fig. 2 is the structural representation at negotiation service end；
Fig. 3 is large-scale subscriber access system logical model schematic diagram；
Fig. 4 is small user's access system logical model schematic diagram；
Fig. 5 is the negotiation basic process figure for consulting Agent；
Fig. 6 is subject under discussion registration process illustraton of model；
Fig. 7 is to consult request process illustraton of model；
Fig. 8 is negotiation communication critical entities E-R illustratons of model.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
The present invention based on the basic thought of the Multi-Agent Negotiation model of Service-Oriented Architecture Based is：Service-Oriented Architecture Based is drawn
Enter to multi-agent negotiation system；Based on Web Services, Agent will be consulted and be converted to negotiation service；And according to
Agent communicates and consults language definition service interface, and the negotiation between Agent is transformed into the shape that Agent provides negotiation service
Formula, drives the work of Agent with business service.
Service-Oriented Architecture Based (SOA) is incorporated into into multi-agent negotiation system, make between negotiation Agent, consult Agent with
The degree of coupling between the consultative management no longer as before closely, but is changed into loosely-coupled relation.
According to Agent communications and negotiation primitive definitions service interface, based on Web Services, will consult
Agent and negotiation be expressed as provide negotiation service so as to business service drive Agent work, can not by particular platform,
The restriction of particular system, during participating in holding consultation with other Agent.
Realize in certain limit, consulting the personalization of subject under discussion and the dynamic for changing on demand, to a certain degree improve up and consult
The ability of Agent, allows negotiation to be no longer limited to some specific Negotiation objects；
According to the characteristics of the protocol model, subject under discussion is described, negotiation primitive is defined so that subject under discussion and
Negotiation primitive is adapted to demand, so as to not limited to protocol model by regular issue.
As shown in figure 1, the invention provides a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based, which includes association
Business's service end and consultative management platform.Wherein, negotiation service end includes Agent resources banks and consults Agent, and consulting Agent can
To represent buyer or the seller, Agent resources banks and negotiation Agent carry out information exchange.Consultative management platform includes the consultative management
Agent.Consultative management Agent is based on SOA security mechanisms.
Negotiation service end provides the user registration service, for example, subject under discussion registration and negotiation request registration etc..Negotiation service end
By providing negotiation service for consultative management platform using passage, Agent is consulted by message transmission instantiation, and by management
Passage receives the management for consulting Agent management platforms.
Consultative management platform will access association by dynamic registration, lookup, matching being carried out to subject under discussion using passage and being assessed
The negotiation Agent of business's management platform is converted to negotiation service, and the communication of each side and the biography of information are realized with Web Service
Pass, by management passage dynamic lookup negotiation service, dynamic matches the carrying out for consulting work using negotiation service.
As shown in Fig. 2 the multi-agent negotiation system of Service-Oriented Architecture Based is divided into following three layers by negotiation service end：
(1) management and application-interface layer：Consult Agent to use using the Service Interface in Web Server
Management passage, application management passage are realized interacting with negotiation service administration agent (NSMA)；
(2) logic business layer：Consult Agent and realized and outside system using asset communication interface Interface Plug are obtained
System interaction；Wherein, external system includes e-commerce website, ERP, CRM and supply chain relationship system etc..
(3) data Layer：Consult Agent to interact with database, interactive operation is included to resources bank, negotiation rules storehouse, knowledge
The inquiry of the data such as storehouse, negotiation result the operation use, change, increasing.
Negotiation service end includes working centre part, higher management part and data-interface.Wherein, working centre part is
Buyer/seller consults Agent, and buyer/seller consults Agent to include being responsible for the Agent of evaluation work, consult inference machine and resource
Administrative center.Higher management part includes service-oriented management and using in passage, negotiation Agent drivings and the consultative management
It is situated between.Data-interface includes subject under discussion data management, consults Agent instance datas management interface and resource acquisition interface.
Consult Agent working mechanism be：
Consult the work of Agent mainly by Agent management platforms offer negotiation service is consulted, so as to receive negotiation
The action distribution of Agent management platforms is required, is deactivated and consult the calculating of Agent, reasoning, study etc. in the form of business-driven
Operation.In negotiations process, due to the change of negotiation data (the mainly proposal of we/other side --- suggest related datas)
Change, Multi-Agent Negotiation service end is considered as each time new negotiation as a new Agent example, and the example is completed
Wither away therewith after the correlation computations of negotiation, and Tag ID keeps the negotiation for consulting both sides to be normally carried out through consultation.
The user of Multi-Agent Negotiation service end is divided into two classes：One is the large-scale supplier or demand business of certain class commodity, its master
Will be for being big companies, manufacturer and electronic business web site etc.；Two is the small-sized supplier of certain class commodity or demand
Business, which is mainly for being individual consumer and small company etc..
From the logical construction and the occupation mode of user of system, the mode also not phase of different user using system
Together.Large-scale subscriber access system logical model as shown in Figure 3, the type user possess Web Server, Data Base, ERP
Or CRM or supply chain management etc..Small user's access system logical model as shown in Figure 4, the type user do not possess Web
Server, Data Base, ERP or CRM or supply chain management etc., now user can be by specialized market e-commerce website (tool
Standby Web Server, Data Base) use system.
The negotiation basic process for consulting Agent is as shown in Figure 5.The mode of Agent work is consulted in triggering following three kinds：
(1) user consults Agent by User Interface triggerings：Small user is by specialized market ecommerce
User Interface in website produce business demand triggering and consult Agent；Large-scale user is by Web Server
Agent is consulted in User Interface triggerings.Which only occurs once in whole negotiations process.
(2) negotiation service administration agent NSMA consults Agent by Service Interface triggerings.
(3) external system is consulted by obtaining asset communication interface (Interface Plug) business demand triggering
Agent。
According to Agent types different in the Multi-Agent Negotiation model of Service-Oriented Architecture Based point, lead in the protocol model
The participant of letter is divided into：
(1) negotiation service administration agent NSMA --- consultative management Agent；
(2) buyer consults Agent；
(3) seller consults Agent.
Negotiation communication participant participates in the citation form of negotiation communication and is divided into following three kinds：
(1) register subject under discussion：As shown in fig. 6, the subject under discussion service centre in consultative management platform is not present meets request association
During the subject under discussion of business server's demand, requestor is proposed that registration subject under discussion service request.
(2) consult request：As shown in fig. 7, the main process consulted, under the driving that terminal use proposes negotiation demand,
Buyer/seller is consulted Agent and proposes to consult request to consultative management platform, sends out to consultative management platform in solicited message is consulted
Negotiation is sent to propose；According to the proposal of requesting party, consultative management platform determines that the opposing party for having the right to participate in consulting consults Agent.
(3) matching is proposed：After buyer/seller consults Agent submits its proposal to consultative management platform, negotiation service pipe
Reason acts on behalf of the subject under discussion that NSMA consults according to the proposal information matches submitted in subject under discussion service centre, has the right to participate in what is consulted to choose
Agent。
Negotiation communication between Multi-Agent Negotiation service end and consultative management platform is related to following critical entities：
(1) propose：Buyer/seller consults Agent proposed important influence factors in negotiation according to demand；As consulted
The certain ratio of middle basis is while the factor such as commercial quality, commodity price, quantity, transaction ground and exchange hour.
(2) subject under discussion：Buyer/seller is affected to consult the factor that Agent consults；Such as commercial quality, commodity price, number
Certain factor such as amount, transaction ground and exchange hour.
(3) subject under discussion domain of definition：One of subject under discussion is described, while containing the factor of influence for having an impact subject under discussion example；If any view
Topic：Commercial quality be divided into it is excellent, good, in, qualified, unqualified four grades, three important technologies of the quality of the commodity by commodity
Index carries out judging that its credit rating is classified.
(4) the subject under discussion factor：Typically refer to affect the index of subject under discussion example；Commodity matter such as in the example of subject under discussion domain of definition
Three important technology indexs of amount.
(5) subject under discussion example：For an instantiation of certain subject under discussion.
Above-mentioned critical entities are defined, which is specific as follows：
(1) propose (Proposal/Suggest)：One finite aggregate comprising several specific subjects under discussion, with very strong
Subjectivity；
Proposal/Suggest (s1, s 2 ... ..., s k), wherein si ∈ Subject, 1≤i≤constant K.
(2) subject under discussion (Subject)：Consult both sides to observe jointly, and possess finite constraint domain, consult both sides and consult mutually
And finally achieve the influence factor in consistent a certain field；
Subject (F, D, R), wherein F ∈ InField, InField be certain class commodity field collection, D ∈ Domain, R ∈
Range, subject under discussion codomain.
(3) domain of definition (Domain)：Description to subject under discussion, contained impact subject under discussion in codomain (Range) value because
Son；
Domain (Ds, Df1, Df2 ... ..., Dfk), wherein Ds ∈ Description, Dfi ∈ DFactor, 1≤i≤often
Amount K.
(4) the subject under discussion factor (DFactor)：A certain specific subject under discussion is subordinated to, and affects subject under discussion taking in codomain (Range)
Value；Affect the codomain of subject under discussion example.
In negotiation, negotiation communication follows following agreement：
(1) relation between negotiation communication critical entities：
(2) consult both sides and only one propose in realize consult.
(3) process consulted realizes the process of instantiation to consulting all subjects under discussion in proposing.
(4) there are one or more subject under discussion factors in subject under discussion domain of definition, when and if only if containing only a subject under discussion factor, the view
Topic is referred to as single-factor subject under discussion；Otherwise referred to as multiple-factor subject under discussion.
The subject under discussion factor included in (5) subject under discussion examples is fixed value.
(6) a certain subject under discussion factor is only subordinated to a specific subject under discussion.
(7) subject under discussion has territoriality and subjectivity, it is necessary to realize initializing by terminal use.
(8) propose first to be proposed by the one party for consulting both sides, only consult to consult just when both sides follow a certain proposal example
Can start.
(9) matching proposed can be converted into the matching of many subjects under discussion, only consult the proposal proposed by both sides meet contain or
Person is the initialization that could realize in the case of equivalence consulting.
(10) the implication relation definition proposed：In and if only if Suggest-A, all subjects under discussion appear at Suggest-B
In, we term it：Suggest-A is resided in Suggest-B；In and if only if in the same manner Suggest-B, all subjects under discussion all go out
Now in Suggest-A, we term it：Suggest-B is resided in Suggest-A.
(11) the equivalence relation definition proposed：In and if only if Suggest-A, all subjects under discussion are appeared in Suggest-B
And all subjects under discussion are also appeared in Suggest-A in Suggest-B, we term it：Suggest-A is equivalent to Suggest-
B。
(12) the implication relation definition of subject under discussion：Domain of definition Domain-A of and if only if Subject-A, subject under discussion codomain
Domain of definition Domain-B of Range-A and Subject-B, subject under discussion codomain Range-B are consistent, while DFactor-A is resided in
DFactor-B, we term it：Subject-A is resided in Subject-B；The domain of definition of and if only if in the same manner Subject-B
Domain of definition Domain-A of Domain-B, subject under discussion codomain Range-B and Subject-A, subject under discussion codomain Range-A are consistent, while
DFactor-B resides in DFactor-A, we term it：Subject-B is resided in Subject-A.
(13) the equivalence relation definition of subject under discussion：When domain of definition Domain-A of Subject-A, subject under discussion codomain Range-A and
Domain of definition Domain-B of DFactor-A and Subject-B, when subject under discussion codomain Range-B is all consistent with DFactor-B, we
Referred to as：Subject-A is equivalent to Subject-B.
Negotiation communication critical entities E-R models are as shown in figure 8, illustrate to negotiation communication critical entities E-R models：
(1) propose (Suggest/Proposal)：
Suggest：：Class
(2) subject under discussion (Subject)：
Subject：：Class
| Attribute/method name | Type | Explanation |
| ID | NO. | Subject is numbered, uniquely |
| Name | String | Subject titles |
| ProviderID | NO. | Subject presenter |
| Weight | numerical | The weight of the subject under discussion in proposal |
| InField | Set | Illustrate the commodity field that the subject under discussion is suitable for |
| Domain | Class | The domain of definition of subject under discussion |
| Range | Set/Interface | The span of subject under discussion, the value upper bound and lower bound |
| DefaultMeasure | Interface | Acquiescence concession mode interface |
| UpStrategy | Interface | Toward upper bound direction concession tactics in negotiations process |
| DownStrategy | Interface | Toward lower bound direction concession tactics in negotiations process |
| D2R | Interface | The interface function converted toward codomain from domain of definition |
(3) subject under discussion domain of definition (Domain)：
Domain：：Class
(4) the subject under discussion factor (DFactor)：
DFactor：：Class
| Attribute/method name | Type | Explanation |
| ID | NO. | The subject under discussion factor is numbered, uniquely |
| Description | String | The description of the subject under discussion factor |
| RDomainID | NO. | Domain of definition Domain numbering associated by the subject under discussion factor |
| ReturnType | Set | Subject under discussion factor return type：Numerical, String |
| Weight | numerical | The weight of the subject under discussion factor in subject under discussion |
| Value | numerical | Represent the value of the subject under discussion factor |
(5) interface (Interface)：
Interface：：Class
| Attribute/method name | Type | Explanation |
| FunctionName | String | Interface name |
| ReturnType | String | Interface returned data type |
| ProviderID | No. | Interface supplier, for obtaining connection inlet |
(6) supplier (Provider)：
Provider：：Class
| Attribute/method name | Type | Explanation |
| ProviderName | String | Supplier's title |
| ID | NO. | Supplier numbers, uniquely |
| ProviderAddr | String. | Supplier URL |
The realization of negotiation communication in the Multi-Agent Negotiation model of Service-Oriented Architecture Based is the effective pass of the protocol model
Key is located, therefore in order to consult to be communicated between Agent and management Agent, performs predefined primitive operation, need
Have a set of reliable and heterogeneous networks structure can be crossed over, location transparency, dynamic binding are former with intelligible mode coding/decoding
The complete mechanism of language information.
WSDL (Web Services Description can be used in the Multi-Agent Negotiation model of Service-Oriented Architecture Based
Language, web services definition language) primitive interface for defining accurately is described, the characteristic of WSDL is allowed it to be had
Effect is understood and is used, and has been provided simultaneously with location transparency.The negotiation Agent and management Agent described by WSDL can be provided
Interface, service-oriented negotiation Agent pipes can be this satisfies by program Automatic analysis, and by Dynamic Discovery and use
The basic demand of platform.
(1) primitive is described using the operation of WSDL.(2) describing primitive using the data type of WSDL needs the number of transmission
According to.(3) service position is described using the accessing points and port of WSDL, the use of WSDL bindings is effectively service.
Primitive interface is described using WSDL there is advantages below：
(1) using WSDL the characteristics of, service interface is made to obtain the description of specification.
(2) data form transmitted in negotiation communication can easily be specified according to the form of WSDL.
(3) as the parameter of primitive operation, WSDL document can operationally by instant analysis process, simultaneously dynamic binding connects
Mouthful, solve the location transparency sex chromosome mosaicism of negotiation service.
The soap protocol used in the Multi-Agent Negotiation model based on Service-Oriented Architecture Based is encapsulating primitive message.Whole
In individual SOAP Envelope (SOAP envelopes), first the content of primitive information and message all it is packaged in the structure shown here, then should
SOAP envelopes are transferred out by various Internet protocols.As SOAP is " message transmission based on XML ", therefore primitive
Content, including primitive sign and required parameter, it is with the structure of XML, packed according to the type described in WSDL document
Wherein, as long as using any one SOAP resolver, can obtain and understand primitive.
Primitive message is encapsulated using soap protocol advantages below：
(1) in the application architecture of the protocol model, soap protocol can be handed over across various complex environment
Mutually；
(2) primitive and message content meet XML specification, reduce the complexity of interaction between Agent in negotiations process, and
Clear in structure is easily interpreted；
(3) soap protocol and correlation technique comparative maturity, when being encapsulated using SOAP and exchange primitive message, with regard to energy
Enough Internet technical transmission intercommunication primitives by current various maturations, specifically do not realize to SOAP transmission/recipients
Limit, therefore be adapted to variant system and platform, disclosure satisfy that requirement of the system to negotiation service flexibility.
Protocol model can use primitive by Web service in the application.
The basic process of primitive is used by Web service：
Protocol model primitive interface and the data form being related to are described using WSDL document correctly；
Effective accessing points are indicated in WSDL document, the soap message is encapsulated and transmitted by SOAP；
Now Agent communications have been basically formed with the external perimysium reference for consulting language, will by following description primitive interface
The WSDL document asked constructs effective Web service (service for including management Agent and the service for consulting Agent), it is possible to build
Erect the communicating requirement met between Agent.
In the process it should be noted that problem：
As the provider of Web service, service should be provided in strict accordance with the requirement of WSDL document；
As the user of service, Agent is especially managed, it is necessary to the Dynamic Discovery for considering negotiation service and the feelings for using
Condition, and using dynamic binding mode using Web service performing primitive.
The present invention is not limited to above-mentioned preferred forms, and those skilled in the art can be drawn under the enlightenment of the present invention
Other various forms of products, however, make any change in its shape or structure, it is every with same as the present application or phase
Approximate technical scheme, is within the scope of the present invention.
Claims (10)
1. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based, it is characterised in that：It includes negotiation service end and negotiation
Management platform, the negotiation service end include Agent resources banks and negotiation Agent, the Agent resources banks and negotiation Agent
Carry out information exchange；The consultative management platform includes that consultative management Agent, the consultative management Agent are based on SOA safety
Mechanism；
The negotiation service end provides the user registration service, and by providing negotiation clothes for consultative management platform using passage
Business, consults Agent by message transmission instantiation, receives the management of the consultative management platform by management passage；
The consultative management platform will access institute by dynamic registration, lookup, matching being carried out to subject under discussion using passage and being assessed
The negotiation Agent for stating consultative management platform is converted to negotiation service, and communication and the letter of each side are realized with WebService
The transmission of breath, by management passage dynamic lookup negotiation service, dynamic matches the carrying out for consulting work using negotiation service.
2. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
The multi-agent negotiation system of Service-Oriented Architecture Based is divided into three layers by negotiation service end, including management and application-interface layer, logic
Operation layer and data-interface.
3. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
Negotiation service end includes working centre part, higher management part and data-interface, and the working centre part is buyer/seller
Consult Agent, the buyer/seller consults Agent to include being responsible for the Agent of evaluation work, consult inference machine and resource management
Center；The higher management part includes service-oriented management and using in passage, negotiation Agent drivings and the consultative management
It is situated between；The data-interface includes subject under discussion data management, consults Agent instance datas management interface and resource acquisition interface.
4. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
Consult Agent working mechanism be,
The work of the negotiation Agent is by providing negotiation service to the consultative management platform, receiving the consultative management
The action distribution requirement of platform, the calculating of the activation negotiation Agent in the form of business-driven, reasoning, study.
5. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
The user at negotiation service end is divided into two classes, and one is the large-scale supplier or demand business of certain class commodity, and which is directed to big companies, production
Producer and electronic business web site；Two is the small-sized supplier or demand business of certain class commodity, and which is directed to individual consumer and small-sized
Company.
6. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：Triggering
The mode of the negotiation Agent work has three kinds,
(1) user triggers the negotiation Agent by User Interface：Small user is by specialized market ecommerce
User Interface in website produce business demand and trigger the negotiation Agent；Large-scale user is by Web Server
In User Interface trigger the negotiation Agent；
(2) negotiation service administration agent NSMA triggers the negotiation Agent by Service Interface；
(3) external system triggers the negotiation Agent by obtaining asset communication interface business demand.
7. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
In Multi-Agent Negotiation model, the citation form of negotiation communication participant participation negotiation communication is divided into following three kinds,
(1) register subject under discussion：Subject under discussion service centre in the consultative management platform does not exist to meet asks negotiation service person to need
During the subject under discussion asked, requestor proposes registration subject under discussion service request；
(2) consult request：Under the driving that terminal use proposes negotiation demand, it is flat to the consultative management that buyer/seller consults Agent
Platform proposes to consult request, sends to consultative management platform and consult to propose in solicited message is consulted；Consultative management platform according to please
The proposal of the side of asking determines that the opposing party for having the right to participate in consulting consults Agent；
(3) matching is proposed：After buyer/seller consults Agent submits its proposal to consultative management platform, negotiation service management generation
Reason NSMA consults the subject under discussion in subject under discussion service centre according to the proposal information matches submitted to, has the right to participate in what is consulted to choose
Agent。
8. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
Negotiation communication between negotiation service end and consultative management platform is related to following critical entities,
(1) propose：Buyer/seller consults Agent the proposed influence factors in negotiation according to demand；
(2) subject under discussion：Buyer/seller is affected to consult the factor that Agent consults；
(3) subject under discussion domain of definition：One of subject under discussion is described, while containing the factor of influence for having an impact subject under discussion example；
(4) the subject under discussion factor：Affect the index of subject under discussion example；
(5) subject under discussion example：For an instantiation of certain subject under discussion.
9. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
Primitive interface is described using WSDL in Multi-Agent Negotiation model, and which specifically includes (1) and primitive is described using the operation of WSDL；(2)
Primitive is described using the data type of WSDL needs the data of transmission；(3) service bit is described using the accessing points and port of WSDL
Put, the use of WSDL bindings is effectively service.
10. a kind of Multi-Agent Negotiation model based on Service-Oriented Architecture Based as claimed in claim 1, it is characterised in that：It is described
Soap protocol encapsulation primitive message used in Multi-Agent Negotiation model；First, by the content packaging of primitive information and message whole
In individual SOAP envelopes, then the SOAP envelope conveyings are gone out by various Internet protocols.
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