CN101299256A - Method and system for recognizing electric contract based on grid computing and data integration - Google Patents
Method and system for recognizing electric contract based on grid computing and data integration Download PDFInfo
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- CN101299256A CN101299256A CNA2008100679036A CN200810067903A CN101299256A CN 101299256 A CN101299256 A CN 101299256A CN A2008100679036 A CNA2008100679036 A CN A2008100679036A CN 200810067903 A CN200810067903 A CN 200810067903A CN 101299256 A CN101299256 A CN 101299256A
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Abstract
The present invention discloses an electric contract recognizing method and system based on grid calculation and data fusion, which adopts a grid system and data fusion paralleling mechanism, identifies the genuinely effective contract by implementing electric contract forming recognizing, sign implementing recognizing and sign result recognizing to the digital electric text, thereby implementing a centralization management to the grid calculation and fusion calculation. The present invention further proposes that the model can not only simulate the life cycle of electronic contracts, to identify effective contract; but also can realize share of disperse calculation resources on geography and saving of the computing cost.
Description
Technical field
The present invention relates to electronic contract recognition technology field, relate to a kind of electric contract recognizing method and system specifically based on grid computing and data fusion.
Background technology
Along with advancing by leaps and bounds of Internet technology.Ecommerce is very general in western countries, and novel modes of doing business such as online transaction, online payment have thoroughly changed the traditional commerce operation mode.Electronic business contract is as the important tool of ecommerce running, and beginning is extensively used by people, and it has promoted the development of digital economy greatly.Today, electronic contract can't leave in individual, company and government organs when processing transactions and other business activities.
It is generally acknowledged that electronic contract is meant the contract that contracting paties draft by electronic data interchange or Email, to be exactly the user be sent to the process of computing machine side's infosystem of relevant parties with relevant data from oneself computer information system in its realization.So, should how to discern electronic contract in network, how discern the success or not that electron contract is carried out, this becomes very important problem.And for the research of these problems, all be a blank in the China and even the whole world at present, still there is not a kind of practicable solutions.
Current, the identification of restriction electronic contract has five to the factor of deeply development:
1. there is ambiguity in the contents attribute of electronic contract;
2. the signing implementation of electronic contract is difficult to describe, and this relation that is mainly reflected between offer and the promise is portrayed;
3. the identification of electron contract result's validity relates to the evidence obtaining when dispute occurring, and its reasoning from logic requires must be correct;
4. the highly different compute type and the introducing of multiple calculation task have brought intrinsic complicacy.
5. model is portable relatively poor, will depend on the syndeton of each assembly in the network largely.
So effective mathematics computing model of seeking a profound level comes the electronic contract identification problem is described and handles, and has been imperative.
Summary of the invention
Technical matters to be solved by this invention is that the factor at above-mentioned restriction electronic contract identification provides a kind of method and system of accurately discerning electronic contract based on data fusion.
The technical scheme that the present invention solves the problems of the technologies described above is, a kind of electric contract recognizing method based on grid computing and data fusion is provided, and may further comprise the steps:
A. carry out identification for each data block of digital message to be identified and obtain the contract element, described contract element comprises at least: litigant's information, signature, target and content;
B. the contract element that obtains among the described step a is done the completeness inspection;
C. with described contract element according to main body, target and classifying content and extract the feature of each contract element in the digital message to be identified, signing side's information that wherein said main body is a contract; Described target comprises thing, behavior and intellectual achievement information; Described content is main body right of enjoying and the voluntary information of bearing;
D. carry out the reasoning matching operation according to Electronic Contract Signing Protocol, signing an agreement of described electronic contract is meant the standardization flow process that guarantees that electronic contract is effectively signed;
E. the transition state of arbitrating offer and promise in the reasoning matching operation is to obtain effective contract.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, the identification of carrying out the contract element among the described step a specifically comprises uses string matching, Text similarity computing or text mining algorithm that original digital message data are carried out keyword or crucial semantic analysis, to judge whether the data in these digital messages can be from semantically giving expression to the notion of said contract element, if can express, think that then this contract element exists; Otherwise think that the contract element does not exist.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, doing the completeness inspection among the described step b further comprises: if the data in the digital message to be identified have comprised whole contract elements, then the affirmation contract produces, otherwise confirms that this digital message is not a contract.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, the feature of the contract element that extracts among the described step c comprises at least: contract element value, classification, temporal information.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, signing an agreement according to electronic contract in the described steps d, carrying out the reasoning matching operation specifically comprises: be the transition condition with the Electronic Contract Signing Protocol, utilize neural network and state of automata transition model to carry out the reasoning matching operation.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, the reasoning matching operation further comprises in the described steps d: will be that each step The reasoning results of transition condition is carried out mathematical logic coupling with the virtual condition of each contract main body, target and content based on Electronic Contract Signing Protocol.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, the transition state of offer and promise further is meant among the described step e: adopt vector or matrix to the generation of offer or promise, the mathematical description that transmits and come into force and carry out.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, arbitration more specifically is meant among the described step e: each the step result who utilizes reasoning to obtain, identify the result of at least three kinds of contract signings, be respectively: contract signing is effective, time-out is carried out in the signing of contract, dispute appears in contract signing.
In the electric contract recognizing method based on grid computing and data fusion of the present invention, the concrete computing method of described steps d and e are as follows:
(1) calculates the mathematical value of each contract element on each timestamp, when first timestamp, or the contract element value in the past the no value transform of a timestamp to value is arranged, or the contract element value when constant with respect to the contract element value of last timestamp the mathematical value of this contract element on this timestamp be 1, the value transform that has of one timestamp arrives no value in contract element value the past, or the described mathematical value of this contract element on this timestamp is 0 when changing with respect to the contract element value of last timestamp, suppose the m that adds up to of contract element, the quantity of timestamp is n, wherein m, n is respectively the integer greater than 1;
(2) the described mathematical value of m contract element is pressed n timestamp series arrangement formation n dimension state vector sequence separately respectively;
(3) be that transverse axis, a m contract element are the virtual condition transition matrix E that the longitudinal axis is set up the contract element of m * n dimension with time;
(4) with first original state that is listed as contract of E, signing an agreement of electronic contract is state transition condition, starts the reasoning matching operation;
(5) establishing t0 is the initial moment that contract signing is carried out, and tM is the final moment that contract signing is carried out, after reasoning begins, in case find V when moment t
t≠ E
t, then the recognition result carried out of contract signing changes (7) then over to, otherwise continues execution (6) for dispute occurring, t0≤t≤tM wherein, V
tThe state vector of the resulting whole contract elements of process reasoning during for moment t, E
tT row for virtual condition transition matrix E;
(6) in above-mentioned reasoning, if until during final tM constantly, V
t=E
t(t0≤t≤tM) the permanent establishment, and V
Tm=e, wherein e is the important matrix-vector that is 1 m * 1, then the signing of contract runs succeeded, otherwise the signing of contract is carried out and is suspended;
(7) calculate end of identification.
The present invention also provides a kind of electronic contract recognition system based on grid computing and data fusion, and this system includes:
The element recognition module: be used for the environment in grid computing, treat each data block of discriminating digit text and carry out the identification of contract element, described contract element comprises at least: litigant's information, signature, target and content;
Completeness is checked module: be used to collect the contract element that each element recognition module is reported, after collection is finished, do the completeness inspection, if check and pass through, just digital message to be identified can be sent into characteristic extracting module;
Characteristic extracting module: be used for value, according to main body, target and classifying content and carry out feature extraction and handle with digital message contract element to be identified;
Reasoning matching module: be used for carrying out the reasoning matching operation, and utilize the The reasoning results in each step to come the signing of the contract of arbitration whether effectively to carry out according to the signing an agreement of electronic contract;
Sign the execution result reporting module: be used for signing execution result output with contract.
Adopt technique scheme, beneficial technical effects of the present invention is: by grid computing and data fusion, realized convenient and swift and reliable electronic contract identification, for the business transaction activity based on electric contract operation provides a kind of effective recognition pattern.The present invention carries out identification by formation identification, the signing of digital message being implemented successively electronic contract and signs the result and discern the real effective contract of identification, thereby realized grid computing and the orderly unified management of merging calculating, alleviated xenogenesis and calculated the complicacy of being introduced.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the application architecture figure that the present invention is based on the electronic contract computation and recognition method of grid computing and data fusion;
Fig. 2 is the structural representation that the present invention is based on the electronic contract calculating recognition system of grid computing and data fusion.
Embodiment
The invention provides a kind of electric contract recognizing method and system based on grid computing and data fusion.Its core concept is: adopt grid system and data fusion parallel mechanism, formation identification by digital message being implemented successively electronic contract, sign and carry out identification and sign the result and discern the real effectively contract of identification, thus realized to grid computing with merge the unified management of calculating.The present invention further proposes, and this model not only can simulate the life cycle of electronic contract, identifies effective contract, but also can realize the geographical reduction of sharing and assessing the cost that disperses computational resource of going up.Below respectively the inventive method and system are elaborated.
Embodiment one, a kind of electric contract recognizing method based on grid computing and data fusion, flow process comprises as shown in Figure 1:
A1, each data block for the treatment of in the discriminating digit text are carried out the identification of contract element.
In the environment of grid computing, at first digital message to be identified is carried out piecemeal and handle, to obtain a plurality of data blocks.Utilize the intelligent algorithm of string matching, the calculating of the text degree of approximation, text mining algorithm or other text identification to come each original digital message data is carried out keyword or crucial semantic analysis then, to judge whether these digital message data can be from semantically giving expression to the notion of contract element, whether can express this notion of litigant's title such as litigant's name, if can express, think that then this contract element exists; Otherwise think that the contract element does not exist.The said contract element includes but not limited to litigant's information, signature, target and content.Wherein litigant's information can be title, address of contract signing side etc., and content can be corresponding contractual terms and conditions, liability for breach of contract etc.
The contract element that A2, collection identification obtain is also done the completeness inspection.
During with establishment of contract the contract element column that must have enumerate and be expressed as a set, such as P={ Contract NO, litigant's information, signature, subject matter, signing time, liability for breach of contract, deadline for performance ... }, and all the identification lists of elements that will collect are shown as set C, if, set P is not contained in or equals to gather C, thinks that then contract can't produce, otherwise contract generates.
A3, with the value of contract element in the digital message to be identified, according to main body, target and classifying content and carry out feature extraction and handle.
With contract element in the digital message to be identified according to main body, target and classifying content and carry out feature extraction and handle, just will extract the information such as value, classification (being main body, target or content), time and position of contract element, wherein the signing side of contract information (for example title, address etc.) belongs to the main body classification; Thing, behavior and intellectual achievement information as the contract object belong to the target classification; Right that main body is enjoyed and the voluntary information born (comprising the execute item, liability for breach of contract of contract etc.) belong to content type.The feature of said extracted is described with mathematic(al) representation then, such as: (* * company, main body, 2007-5-20, Technology Park, Shenzhen ...).
A4, according to the signing an agreement of electronic contract, carry out the reasoning matching operation.
(1) at first calculates the mathematical value of each contract element on each timestamp, the mathematical value of contract element on first timestamp is-1, the contract element value in the past the no value transform of a timestamp to value is arranged, or the contract element value when constant with respect to the contract element value of last timestamp the mathematical value of this contract element on this timestamp be 1, the value transform that has of one timestamp arrives no value in contract element value the past, or the mathematical value of this contract element on this timestamp is 0 when changing (the no value transform that does not comprise a timestamp in the past is to value is arranged) with respect to the contract element value of last timestamp, suppose the m that adds up to of contract element, the quantity of timestamp is n, wherein m, n is respectively the integer greater than 1;
(2) the described mathematical value of m contract element is pressed the state vector sequence VState that n timestamp series arrangement forms n * 1 dimension separately respectively;
(3) be that transverse axis, a m contract element are the virtual condition transition matrix E that the longitudinal axis is set up the contract element of m * n dimension with n timestamp; That is:
E=(V1State, V2State, V3State, V4State, V5State, V6State ..., VmState)
T, wherein V1State, V2State, V3State, V4State, V5State, V6State ... be respectively the state vector sequence of n * 1 dimension of each contract element;
(4) with first original state that is listed as contract of E, the Psign that signs an agreement of electronic contract is a state transition condition, starts the reasoning matching operation.Here, the reasoning matching operation can adopt status change models such as Petri net, automat and RBF neural network to carry out.
(5) then each step The reasoning results is carried out the mathematical logic coupling with the virtual condition of each contract main body, target and content.
The transition state of offer and promise is to obtain effective contract in A5, the arbitration reasoning matching operation;
Contract execution result's validity arbitration depends on following flow process:
(1) establishing t0 is the initial moment that contract signing is carried out, and tM is the final moment that contract signing is carried out.After reasoning begins, in case find when t sometime (t0≤t≤tM), V
t≠ E
t(V
t: t is during the moment, through the state vector of the resulting whole contract elements of reasoning, E
t: the t of virtual condition transition matrix E row), then the recognition result carried out of contract signing changes over to (7) then for dispute (be in the contract some clause violates agreement in the signing process) occurring, otherwise continuation execution (6);
(2) in above-mentioned reasoning, if until during final tM constantly, V
t=E
t(t0≤t≤tM) the permanent establishment, and V
Tm=e (e is the important matrix that is 1 m * 1 dimension), the then signing of contract success, otherwise the signing of contract is carried out and is suspended;
(3) end of identification.
By above-mentioned reasoning matching operation and arbitration, realized the validity identification of contract.
Embodiment two, a kind of electronic contract recognition system based on grid computing and data fusion, as shown in Figure 2, comprising: element recognition module B1, completeness are checked module B2, characteristic extracting module B3, reasoning matching module B4 and are signed execution result reporting module B5.
Element recognition module B1: be used for the environment in grid computing, treat each data block of discriminating digit text and carry out the identification of contract element, this module is arranged on the resource layer of grid system hierarchical structure, and module number can exist a plurality of;
Completeness is checked module B2: be used to collect the contract element that each element recognition module B1 is reported, after collection is finished, do the completeness inspection, pass through if check, just digital message to be identified can be sent into characteristic extracting module B3, this module is arranged on the resource layer of grid system hierarchical structure;
Characteristic extracting module B3: be used for the value with digital message contract element to be identified, according to main body, target and classifying content and carry out feature extraction and handle, this module is arranged on the resource layer of grid system hierarchical structure;
Reasoning matching module B4: be used to receive the contract elemental characteristic that characteristic extracting module B3 provides, signing an agreement according to electronic contract then, carry out the reasoning matching operation, and the The reasoning results of utilizing each step whether come the signing of the contract of arbitration to carry out effective, this module is arranged on the tether layer of grid system hierarchical structure;
Sign execution result reporting module B5: be used for the signing execution result output with contract, this module is arranged on the application layer of grid system hierarchical structure.
Present embodiment is based on the electric contract recognizing method that is provided among the applicable embodiment one of the electronic contract recognition system of grid computing and data fusion, this system has good universality simultaneously, can be deployed in arbitrarily in the network environment, thereby eliminated in the network fixedly connected between each assembly, optimized utilization factor and the response of resource.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1, a kind of electric contract recognizing method based on grid computing and data fusion is characterized in that, may further comprise the steps:
A. carry out identification for each data block of digital message to be identified and obtain the contract element, described contract element comprises at least: litigant's information, signature, target and content;
B. the contract element that obtains among the described step a is done the completeness inspection;
C. with described contract element according to main body, target and classifying content and extract the feature of each contract element in the digital message to be identified, signing side's information that wherein said main body is a contract; Described target comprises thing, behavior and intellectual achievement information; Described content is main body right of enjoying and the voluntary information of bearing;
D. carry out the reasoning matching operation according to Electronic Contract Signing Protocol, signing an agreement of described electronic contract is meant the standardization flow process that guarantees that electronic contract is effectively signed;
E. the transition state of arbitrating offer and promise in the reasoning matching operation is to obtain effective contract.
2, the electric contract recognizing method based on grid computing and data fusion according to claim 1, it is characterized in that, the identification of carrying out the contract element among the described step a specifically comprises uses string matching, Text similarity computing or text mining algorithm that original digital message data are carried out keyword or crucial semantic analysis, to judge whether the data in these digital messages can be from semantically giving expression to the notion of said contract element, if can express, think that then this contract element exists; Otherwise think that the contract element does not exist.
3, the electric contract recognizing method based on grid computing and data fusion according to claim 1, it is characterized in that, doing the completeness inspection among the described step b further comprises: if the data in the digital message to be identified have comprised whole contract elements, then the affirmation contract produces, otherwise confirms that this digital message is not a contract.
4, the electric contract recognizing method based on grid computing and data fusion according to claim 1 is characterized in that, the feature of the contract element that extracts among the described step c comprises at least: contract element value, classification, temporal information.
5, the electric contract recognizing method based on grid computing and data fusion according to claim 1, it is characterized in that, signing an agreement according to electronic contract in the described steps d, carrying out the reasoning matching operation specifically comprises: be the transition condition with the Electronic Contract Signing Protocol, utilize neural network and state of automata transition model to carry out the reasoning matching operation.
6, the electric contract recognizing method based on grid computing and data fusion according to claim 5, it is characterized in that the reasoning matching operation further comprises in the described steps d: will be that each step The reasoning results of transition condition is carried out mathematical logic coupling with the virtual condition of each contract main body, target and content based on Electronic Contract Signing Protocol.
7, the electric contract recognizing method based on grid computing and data fusion according to claim 6, it is characterized in that the transition state of offer and promise further is meant among the described step e: adopt vector or matrix to the generation of offer or promise, the mathematical description that transmits and come into force and carry out.
8, the electric contract recognizing method based on grid computing and data fusion according to claim 1, it is characterized in that, arbitration more specifically is meant among the described step e: each the step result who utilizes reasoning to obtain, identify the result of at least three kinds of contract signings, be respectively: contract signing is effective, time-out is carried out in the signing of contract, dispute appears in contract signing.
9, the electric contract recognizing method based on grid computing and data fusion according to claim 1 is characterized in that, the concrete grammar of described steps d and e is as follows:
(1) calculates the mathematical value of each contract element on each timestamp, the mathematical value of contract element on first timestamp is-1, the contract element value in the past the no value transform of a timestamp to value is arranged, or the contract element value when constant with respect to the contract element value of last timestamp the mathematical value of this contract element on this timestamp be 1, the value transform that has of one timestamp arrives no value in contract element value the past, or the described mathematical value of this contract element on this timestamp is 0 when changing with respect to the contract element value of last timestamp, suppose the m that adds up to of contract element, the quantity of timestamp is n, wherein m, n is respectively the integer greater than 1;
(2) the described mathematical value of m contract element is pressed the state vector sequence that n timestamp series arrangement forms n * 1 dimension separately respectively;
(3) be that transverse axis, a m contract element are the virtual condition transition matrix E that the longitudinal axis is set up the contract element of m * n dimension with n timestamp;
(4) with first original state that is listed as contract of E, signing an agreement of electronic contract is state transition condition, starts the reasoning matching operation;
(5) establishing t0 is the initial moment that contract signing is carried out, tM is the final moment that contract signing is carried out, after reasoning begins, in case find Vt ≠ Et when moment t, then the recognition result of contract signing execution changes (7) over to then for dispute occurring, otherwise continue to carry out (6), t0≤t≤tM wherein, Vt be constantly during t through the state vector of the resulting whole contract elements of reasoning, Et is the t row of virtual condition transition matrix E;
(6) in above-mentioned reasoning, if until during final tM constantly, Vt=Et (t0≤t≤tM) the permanent establishment, and Vtm=e, wherein e is the important matrix that is m * 1 dimension of 1, then the signing of contract runs succeeded, otherwise the signing of contract execution time-out;
(7) end of identification.
10, a kind of electronic contract recognition system based on grid computing and data fusion is characterized in that this system includes:
The element recognition module: be used for the environment in grid computing, treat each data block of discriminating digit text and carry out the identification of contract element, described contract element comprises at least: litigant's information, signature, target and content;
Completeness is checked module: be used to collect the contract element that each element recognition module is reported, after collection is finished, do the completeness inspection, if check and pass through, just digital message to be identified can be sent into characteristic extracting module;
Characteristic extracting module: be used for value, according to main body, target and classifying content and carry out feature extraction and handle with digital message contract element to be identified;
Reasoning matching module: be used for carrying out the reasoning matching operation, and utilize the The reasoning results in each step to come the signing of the contract of arbitration whether effectively to carry out according to the signing an agreement of electronic contract;
Sign the execution result reporting module: be used for signing execution result output with contract.
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