WO1999017224A1 - A multi-element confidence matching system and the method therefor - Google Patents
A multi-element confidence matching system and the method therefor Download PDFInfo
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- WO1999017224A1 WO1999017224A1 PCT/CN1997/000096 CN9700096W WO9917224A1 WO 1999017224 A1 WO1999017224 A1 WO 1999017224A1 CN 9700096 W CN9700096 W CN 9700096W WO 9917224 A1 WO9917224 A1 WO 9917224A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/08—Auctions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2457—Query processing with adaptation to user needs
- G06F16/24578—Query processing with adaptation to user needs using ranking
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/912—Applications of a database
- Y10S707/944—Business related
- Y10S707/948—Product or catalog
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99933—Query processing, i.e. searching
Definitions
- the present invention relates to a computer matching system and the method therefor, or specifically, relates to electronic trading system which is a multi-element confidence matching system built on a database for matching a user's requirement with the offers provided by the other users, and returns the matching results to the user.
- EDI Electronic Data Interchange
- trading systems which help traders to find the goods they need from the other traders, or help them to find buyers for their goods, and help them cope with a lot of business related affairs.
- the task of the trading systems is to match trader's requirements with offers that have been posted by other traders via the electronic trading system. This is normally achieved by doing a direct search of user criteria with the offers available and displaying just the plain results of the search in generic order.
- Standard search engines mainly examine the search criteria and the result they produce is a set of zero, one or many cases that match exactly all the conditions of criteria. No matter how many conditions a case has satisfied, if fails in one that case will not be a part of result set, even if the condition is the least important among others. Specially with ranges, mainly users might want to have choices that are not exactly complying with what they want but close to that. In other words database engines like Informix, Oracle, Sybase, Ingres and others have only two choices for matching cases, "Match" and "No Match".
- the conventional search system is not convenient for the user to use, and can not conduct search efficiently.
- time and cost consumed in the search process is increased.
- the present invention adds a level of sophistication to standard tools, and implements user's thoughts in accepting or rejecting cases. It means by involving more parameters of user's choices, the system will be able to tolerate the result and based on user's preference accept those cases that comply with the most important conditions and only fail to satisfy minor conditions.
- the present invention provides a computer matching system used by a plurality of users and the method therefor, said system comprising a database; an offer creation program means for creating an entity .for an offer input by each user in the database and storing said offer therein; and a search engine for comparing and matching a requirement input by a user with other users' offers stored in the database and returning matching results to said user.
- said requirement includes multiple elements as search criteria, each of said elements is assigned a weight of importance thereby each matching result has a search score indicating satisfaction level of said user, said search engine further perform ordering and ranking of said matching results according to the respective search scores thereof, and only the matching results have search scores above a predetermined satisfaction level are returned to said user.
- Fig. 1 shows the basic structure of the multi-element confidence matching system of the present invention
- Fig. 2a and 2b illustrate the main data flow diagram of the present invention
- Fig.3 illustrates the matching levels result from the search in the system according to the present invention.
- Fig. 4a illustrates the configuration of the data entities in the database of the invention.
- Fig. 4b illustrates the relationship among the entities in the database according to the invention.
- Fig. 4c illustrates the details of the key relationship shown i Fig. 4b
- Fig. 5 illustrates a web-based clients communicating over the internet to an information server according to an embodiment of the invention
- Fig. 6 illustrates the detailed components of both the client and server according to the embodiment of the invention.
- Fig. 7 illustrates the details of how the technology modules interface to the other extensible database components during the main offer selection process according to the embodiment of the invention
- Fig. 8 illustrates a typical web implementation of the technology and the additional components required to support the implementation according to the embodiment of the invention
- Fig.9a, 9b, and 9c illustrate the creation of the entities in the database shown in the Fig. 4 according to an embodiment of the invention
- Fig.1 Oa and 1 Ob shows more detail on data flow of the system according to an embodiment of the present invention of Fig. 2a and 2b;
- Fig. 11 illustrates the flowchart of the procedure for creating offer in the database according to an embodiment of the invention
- Fig. 12 illustrates the flowchart of the procedure for creating requirement in the database according to an embodiment of the invention
- Fig. 13 illustrates the flowchart of the procedure of the search engine for matching the requirement input by the user with the offers stored in the offer entities in the database
- Fig. 14 illustrates the procedure A for processing search criteria in Fig.13;
- Fig. 15 shows a sample of interface which is provided for user to specify his criteria of search of this example.
- Fig. 1 shows the basic structure of the multi-element confidence matching system of the present invention.
- the multi-element confidence matching system is used by a plurality of users, and comprises a database, an offer creation program for creating an offer entity in the database, and a search engine for comparing search criteria or requirement input by a user with the offers existing in the database.
- the offer is processed by the offer creation program and stored in an offer entity in the database.
- the search engine is executed to match the requirement with the existing offers, stored in the offer entities in the database of all the other users.
- the matching results may be ranked according to a confidence, i.e., a matching level or search score, and the matching results are returned to the corresponding user.
- the users are able to interface to the multi-element confidence matching system via the internet.
- the database can include a requirement entity, which can be a virtual one.
- Fig. 2a and 2b illustrate the principle of the diagram of the method implemented in the multi-element confidence system of the present invention.
- the offer details entered by each user are written to the offer database, and the search criteria, i.e., the requirement entered by the user, is sent to the matching procedure generated by executing the matching program or search engine in Fig.l, the matching procedure compares the requirement with the offer details, from all the other users, which are stored in the offer database, and thereby the matching offers list is returned to the user.
- the matching process performed in the matching procedure is illustrated in detail in Fig. 2b. As shown in Fig.
- the search criteria i.e., the requirement entered by the user, which contains multiple conditions or elements
- the offers from the offer database Each of the conditions is assigned a weight indicating the importance thereof , thereby each matching result has a search level indicating satisfaction of the user.
- the results of the comparison have six levels, such as full match offer, subset match offer, partial match offer, superset match offer and no match offer.
- the results of the comparison are ordered and narrowed, and the matching results which have level greater than a minimum acceptable level(MAL) designated by the user are returned to the user.
- MAL minimum acceptable level
- the above process is automatically performed by the multi-element confidence matching system once the requirement is input by the user, and the matching results are returned to the user, thereby the user can get the offers which satisfy his requirement instantly, and more advantageously, the matching results are not only the exact match which %100 satisfies the user's criteria, but also includes the results of partial match or inclusive match
- an offer may be buy(demand) or sell(supply), and a requirement may be buy or sell, too. Therefore, if a requirement is a demand, it is compared with the supply offers in the database; if the requirement is a supply, it is compared with the demand offers in the database.
- Fig.3 illustrates the matching levels result from the search in the system according to the embodiment of the present invention.
- the matching results are ordered and ranked according to the levels thereof, and the matching result set are configurable by order and level, wherein level 1 is exact match, i.e., full match, which means the input demand A is exactly the same as the supply set; level 2 is inclusive match, in which the supply set B is a subset of the input demand A, i.e., set B only covers part of the set A; level 3 is partial match, in which the set A and set B have an area overlapped to each other; level 4 is also an inclusive match, but the supply set B is superset of the input demand A; and level 5 is no match, in which there is no common part between the set A and set B.
- level 1 is exact match, i.e., full match, which means the input demand A is exactly the same as the supply set
- level 2 is inclusive match, in which the supply set B is a subset of the input demand A, i.e.,
- Each search criteria or requirement may include multi-elements such as product, market position(buyer or seller, or both), date of offer, date of delivery, offerer, price and volume.
- the offer might contain the same elements as that of the requirement so as to be compared with the requirement.
- Each of the elements of the requirement is compared with that of the offers in the database, and each sequence of the process of matching the respective elements may be given a weight by the user. The above six levels of matches each has a score resulted from the weights assigned by the user, and from level 1, the FULL MATCH, to level 6, the NO MATCH, the score is decreased from 100% to 0.
- Fig.4a illustrates the configuration of the data entities in the database of the invention.
- the database there is a user entity, which is a member of the system, and creates and owns requirements and offers.
- the user information stored in the user entity is mainly flat, raw user data, and it will be obtained by an interface available to the user.
- the requirement is a virtual entity, and is also referred to as search criteria, as described above. In traditional activities, the criteria information entered by the user is not kept in the database, but if this information is intended to be for afterward notification and triggering system, the criteria could be stored in a real entity.
- the requirement entity includes an ID, and an attribute, which includes a requirement ID, data, and a relation.
- the requirement-Attrib is used for keeping information about individual parts of the requirement.
- the system may create new entries for this entity called complex attributes, which consist of the result of previous single attribute.
- the offer entity stores user's offers for supply or demand, and this entity keeps ID and fixed part of the offers, which is the information like description of product or any other piece that will not participate in criteria and search process, and the offer Attribute keeps the variable part of offers , showing the attributes of offer.
- variable parts are those participate in attributes and criteria, like price, color, material and etc.
- the database also includes a field for storing field information and a unit entity for unit information.
- Offer entity keeps information about fixed demand or supply, user provides or requests. This information will be tested by the system every time a requirement (search criteria) is submitted. Requirement contains user specified conditions and include ranges. Requirement is a virtual entity, means that it will not necessarily be kept in a real entity after the process is finished.
- Field and Unit entities are tables used to create attributes for Offer and Requirement.
- Fig. 4b illustrates the relationship among the entities in the database according to the embodiment of the present invention.
- each user has a record in user entity, and there is no more than one entry for each user.
- Each user may create zero, one or more than one demand or supply offer.
- Each offer/ requirement has one or more attribute. Every attribute will point to an entry in field entity to show the type of field. And every attribute will point to the entry in the unit entity to specify the unit type.
- Fig. 4c illustrates the details of the key relationship of the entities shown in Fig. 4b, and the detailed description to the corresponding attributes for separate entities is shown in following tables 2-8.
- Entity Name Requirement Virtual Entity
- Entity Name offer
- Entity Name offer_attribute
- Fig. 5 illustrates a web-based clients communicating over the internet to an information server according to an embodiment of the invention.
- the matching system according to the present invention has an open architecture and can be used in a number of environments, but in the International Trade market the internet is used.
- the matching system is housed inside a server which is on the internet, and the users may connect to the server which has the matching system via a web browser, as shown in Fig. 5.
- the server can be SUN Microsystems-Unix based, or Intel-Microsoft NT based.
- the clients can be PCs running the Microsoft Windows 95 operating system, Apple Macintosh running Apple MacOS, or Sun Microsystems Workstation running Unix.
- the Extensible Database Management System used for the database of the invention can be Informix or Oracle product. And the plug-in modules available for the above databases could include Verity, Excalibur or Virage.
- Fig. 6 illustrates the detailed components of both the client and server according to the embodiment of the invention in Fig.5.
- each client has an operating system, a basic storage for local information and applications, a web browser for working with the web based application and browsing pages in HTML format and a network transport for connection to the global network.
- the server which has the multi-element confidence matching system includes an operating system, a mass storage for storing the database and common information and applications, an extensible database. engine for providing database services and responding to requests from clients, a web server to provide web services and a network transport, wherein the extensible database engine is used for serving clients in relation with their queries and database service requests, and it comprises database tables, SQL functions and extensible modules.
- Said extensible modules comprise 3rd party matching ( data matching performed by applications written by other software companies) engines, web development and delivery modules for utilizing existing standard services, and core technology modules for adding the extraordinary muti- element confidence matching system functions.
- Fig. 7 shows the structure of the core technology modules and its
- the core technology modules include a matching engine for comparing the requirement with the offers stored in the offer database, custom matching components, and an ordering and ranking module.
- custom matching is data matching which have been implemented in addition to
- the requirement and the offer details are sent to the matching engine, and the matching engine and the custom matching components perform the comparison of the requirement and the offers by
- the matching results produced by the matching engine are sent to the ordering and narrowing module, in which they are ranked according to the confidence or score each matching result has, and are narrowed to reduce the amount of data returned to the user based on their own narrowing criteria, for example, only show me data with exact matches and limit it to the first 5 in price order.
- the results of which the matching score is less than a minimum acceptable level are discarded, thereby the ranked and narrowed matching offer set is sent back to the user.
- Fig. 7 The arrangement in Fig. 7 is independent of interface. This diagram would remain the same whether the implementation are client-server, web-base or via a simple terminal character interface. All types of user interface can generate requirements and match them with existing offers and produce a result set.
- Fig. 8 illustrates a typical web implementation of the multi-element confidence matching system according to the present invention and the additional components required to support it.
- the web server shown in Fig. 6 comprises configuration details for specifying the behavior of the server, internal functions for providing basic services, custom functions for user and application specific services and standard HTML data, and a delivery engine for integrating results of search engine with standard HTML pages.
- the HTML form containing the requirement from the user is sent to the delivery engine.
- the delivery engine sends all the data of the requirement to the other modules.
- the web development and delivery modules include web page storage and a web page delivery. These modules handle application logic, static content of standard HTML and a dynamic content of actual data, the result of queries to the database, and variables.
- the web page delivery communicates with the internal functions and modules using SQL.
- Fig.9a, 9b, and 9c illustrate the creation of the entities in the database shown in Fig. 4 according to an embodiment of the invention.
- Fig. 9a when creating an offer entity, first, the offer fixed information is input into the system which creates an offer in the offer entity. The attribute information is also taken in from field and unit entities and this creates an attribute in the offer attribute entity.
- Fig. 9b when creating user entity, first, the user information is input into the system, the user profile is also input, then a user record is created in the user entity. Each user keeps a user record in the user entity.
- Fig. 9c illustrates the creation of the requirement entity.
- the requirement fixed information is input into the system, then get the type whether it's a requirement for demand or supply. Then in turn field information will be taken using field and unit entities. At the end of this process a requirement fixed information entry and one or more attribute information entries will be created.
- Fig.10a and 1 Ob shows more detail on data flow of the system according to an embodiment of the present invention of Fig. 2a and 2b, which includes a unit entity and a field entity.
- the field is a look-up table for name, type and length of fields that will be used in the offer and requirement entities to refer to type of specifications; and the unit is a lookup table used to show the units for figures in the offer and requirement entities.
- the unit entity and field entity both participate in the processes of enter offers, enter requirement in Fig. 10a and the compare process in Fig. 1 Ob.
- a requirement input by a user may be also processed as an offer so that the other users may know what he needs.
- one user's offer is also a requirement to the other users, and his requirement is also an offer to the other users.
- Fig. 1 1 illustrates the flowchart of the procedure for creating an offer in the database generated by executing the offer creation program as shown in Fig. 1 according to an embodiment of the invention.
- the input offer fixed information is extracted out and it is determined whether it is a demand or a supply according to the status of the demand_supply attribute shown in Table 4. If it is a demand, this information is set to demand; and if it is a supply, it is set to supply.
- an offer is created in the offer database.
- Fig. 12 illustrates the flowchart of the procedure for creating requirements in the database according to an embodiment of the invention. As shown in
- Fig. 12 when a user enters his requirement, first, the input requirement fixed information is extracted, and is determined whether it is a demand or a supply, if it is a demand, this information is set to demand; and if it is a supply, set to supply. At the next step, a requirement is created to the requirement database. At the next step, it is judged whether there are any more attribute, if yes, get attribute information using the field and unit, then create attribute to the requirement attribute entity in the database, and return to the judging step; if no more attributes, go to the matching process for matching the requirement with the offers having been stored in the database by the other users.
- Fig. 13 illustrates the flowchart of the procedure for matching the requirement input by the user with the offers stored in the offer entities of the database.
- the requirement information is taken from the procedure allowing user to input criteria, then this requirement is processed by the system in the procedure shown in Fig.14.
- the next step is to get an offer from the database and start matching fields in the requirement with fields in the offer.
- the system checks whether there are any.
- Both offer .and requirement have attributes and attributes are pieces of information with specific and unique ID.
- the system checks if the content of offer attribute matches the one in the requirement or not and based on that generates a score for this match, which indicates the satisfaction level of the user to the matching result. At the end of all cycles if the score of offer reaches the MAL value it will participate in result set.
- the match level of the matching result from one search may be full match, inclusive match, partial match, or no match, also shown in Fig. 3.
- the procedure A for processing search criteria is shown in Fig.14, in this process, it is judged if the criteria is a complex one. If yes, the attrib_ids are put in the input fields of the attribute, then set a relationship; if not put user specified fields in the input fields of attribute, then set a relationship. Thereafter, create entry in the requirement attribute, and return to the complex judging step.
- the offer creation program when a user inputs an offer, the offer creation program performs the procedure in Fig. 11 for creating offer and offer attribute in the database.
- the search engine creates a requirement and requirement attribute in the database, then perform the matching process in Fig. 13 and 14. Specifically, after a user specifies the criteria, the system analyses it and create entries for requirement entity. Every simple criteria will have an entry in the entity, the system will also create an entry for every condition which is a result of other conditions. This will be explained more in the examples below.
- search criteria is as follows:
- No Match is dependent on the possibility of Partial Match based on user criteria and weight, in other words, No Match becomes a relative one, which depends on the user's need.
- the concept of "no match" is relative, if the MAL is set to greater or lower value, the search results, i.e., the information user can get is different.
- the MAL is a modifiable value by user, and the system will assume a default value for MAL value, but user based on level of expectation can increase or decrease it. Therefore, the user may adjust the weights he assigned to the respective elements of the search criteria, to change the information scope available to him as he need.
- a user specifies that he is looking for a pair of tennis shoes with a price bellow $100 and color is either "white” or “Blue”, but also specifies that the color is very important by giving a weight of 80 out of 100 to the color.
- the system while evaluating the criteria, accepts any white or blue tennis shoes as a partial match and those bellow $100 as a full match.
- Fig. 15 shows a sample of the interface which is provided for user to specify his search criteria for this example.
- the user of the system a trader, searches for a supply offer and creates a requirement with the criteria shown in Fig. 15.
- Entities involved in this example are:
- Table 12 requirement_attribute Contents for "field_id and "field_unit_id” are from look-up tables. These tables are used when creating offer and requirement.
- this system manages to know user's taste of choices by letting him specify a level of importance for each of the conditions and specifying that whether inclusive match is acceptable.
- This is also possible to be implemented in the system according to the embodiments of the invention that by storing requirements (criteria) it can notify user whenever a matching case enters to the system after a user has submitted the requirement. This way not only semi-artificial intelligence will be added to the system but also queries will stay active until the time of deactivation and do much more than instant queries.
- the matching program in the matching system is executed without the intervention of the user, and the matching results are returned to the user instantly.
- This system can provide custom matches, non-exact matches, and the matching results of different levels are ordered and ranked so as to be narrowed, thereby the narrowed results are returned to the user.
- the users of the system according to the present invention are both subject and object relative to each other.
- the trader or user can conduct search more efficiently and get more useful information.
- the ranked and narrowed search results are returned to the user instantly, and the user can adjust his weight assignment to the respective elements in the search criteria or requirement and change the minimum acceptable level to change the information he wants to get.
- the multi-element confidence matching system is a highly efficient electronic trading system, and it helps the users of this system to find useful trading information and conduct his business more effectively.
- system of the present system can be also used in the field such as library, electronic purchasing, ticket ordering etc. and increase the efficiency thereof.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/155,473 US6311178B1 (en) | 1997-09-29 | 1997-09-29 | Multi-element confidence matching system and the method therefor |
AU44497/97A AU4449797A (en) | 1997-09-29 | 1997-09-29 | A multi-element confidence matching system and the method therefor |
EP97942754A EP1032893B1 (en) | 1997-09-29 | 1997-09-29 | A multi-element confidence matching system and the method therefor |
JP2000514221A JP3607867B2 (en) | 1997-09-29 | 1997-09-29 | Multi-element certainty matching system and method |
DE69730057T DE69730057T2 (en) | 1997-09-29 | 1997-09-29 | A MULTI-ELEMENT TRUST INTERPRETATION SYSTEM AND METHOD THEREFOR |
PCT/CN1997/000096 WO1999017224A1 (en) | 1997-09-29 | 1997-09-29 | A multi-element confidence matching system and the method therefor |
CN97121280A CN1102272C (en) | 1997-09-29 | 1997-10-31 | Polynary confidence degree adapting system and its relative method |
HK99100652A HK1015900A1 (en) | 1997-09-29 | 1999-02-15 | Multivariate confidence matching system and the method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN1997/000096 WO1999017224A1 (en) | 1997-09-29 | 1997-09-29 | A multi-element confidence matching system and the method therefor |
CN97121280A CN1102272C (en) | 1997-09-29 | 1997-10-31 | Polynary confidence degree adapting system and its relative method |
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WO1999017224A1 true WO1999017224A1 (en) | 1999-04-08 |
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US (1) | US6311178B1 (en) |
JP (1) | JP3607867B2 (en) |
AU (1) | AU4449797A (en) |
DE (1) | DE69730057T2 (en) |
HK (1) | HK1015900A1 (en) |
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JP2002063394A (en) * | 2000-08-16 | 2002-02-28 | Nippon Telegraph & Telephone East Corp | System and method for selling and buying article |
GB2374690A (en) * | 2000-11-30 | 2002-10-23 | Ebbon Dacs Ltd | Method for comparing quotes from different vendors |
EP1425690A1 (en) * | 2001-04-12 | 2004-06-09 | Schlumberger Oilfield Assistance Limited | Method, apparatus and system for providing product advisory information for a web-based sales application |
EP1425690A4 (en) * | 2001-04-12 | 2008-05-14 | Schlumberger Oilfield Assist | Method, apparatus and system for providing product advisory information for a web-based sales application |
GB2375624A (en) * | 2001-05-16 | 2002-11-20 | Kprime Ltd | Ranking data according to multiple criteria |
FR2835335A1 (en) * | 2002-01-31 | 2003-08-01 | Etocomm | Method and device for editing, conservation and distribution of documents for creation of documents at a company level, whereby storage of documents online reduces traditional production constraints |
JP2004030591A (en) * | 2003-03-31 | 2004-01-29 | Nippon Telegraph & Telephone East Corp | System and method for purchasing commodity |
Also Published As
Publication number | Publication date |
---|---|
DE69730057D1 (en) | 2004-09-02 |
DE69730057T2 (en) | 2005-08-04 |
JP3607867B2 (en) | 2005-01-05 |
AU4449797A (en) | 1999-04-23 |
HK1015900A1 (en) | 1999-10-22 |
JP2001518667A (en) | 2001-10-16 |
US6311178B1 (en) | 2001-10-30 |
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