CN101257512A - Inquiry answer matching method used for inquiry answer system as well as inquiry answer method and system - Google Patents
Inquiry answer matching method used for inquiry answer system as well as inquiry answer method and system Download PDFInfo
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Abstract
The invention discloses an inquiry answer matching method, a inquiry answer method and a system thereof used in a inquiry-answering system, a problem solving subscriber provides a plurality of terms or sentences before hand. When an inquiry subscriber submits a problem to the inquiry-answering system, the matching degree between the problem and the terms or sentences before hand provided by each problem solving subscriber is calculated; according to the matching degree, one or more problem solving subscribers are determined, and the answers from the subscriber or subscribers are provided to the current inquiry subscriber. The inquiry answer method and system thereof can ensure that the most proper problem solving subscribers are found to answer the problems from the inquiry subscribers.
Description
Technical field
The present invention relates to information interaction technology based on interrogation reply system, for example support the question answering system that mobile device inserts, particularly a kind of question and answer matching process and answering method and system that is used for question answering system, utilize this method or system, can find only answer user for puing question to the user, thereby for puing question to the user that a small amount of accurate answer is provided.
Background technology
The development of Internet technology and wireless communication technique is just profoundly changing the mode of human live and work.From the network that uses, people can use fixed telephone network, mobile communication network of various standards (GSM, GPRS, EGPRS, WCDMA, CDMA, CDMA2000 etc.) and internet (IPv4 and IPv6 network) etc.From employed terminal, people can use landline telephone, support the mobile device and the PDA of various standards, the computer of energy access internet etc.In recent years, move and mode that the fusion of fixed service makes people link up abundanter.Except voice call, people can send SMS message (SMS and MMS) exchange, can exchange by Email, can exchange such as BBS (broadcasting bulletin system) etc. by the website.People can also pass through mobile phone, access internet easily.
The development of Internet technology and wireless communication technique makes the mankind obtain information and becomes and be more prone to.There have been a lot of Internet Service Providers that various question answering systems are provided now.Except the question answering system that traditional support computer inserts, the question answering system of supporting mobile device to insert has also obtained a large amount of application.Such as, supporting mobile device to insert question answering system is exactly a good example.Put question to the user by short message or WAP method after these question answering systems submit a question, question answering system turns back to answer on the mobile device.In addition, at present the mobile search engine that inserts of the support mobile device be familiar with of people also is a question answering system in broad terms.With the system based on the keyword Webpage search is example, and the user provides one or more keywords by short message or WAP method to this system, and search engine will return the information that needs or point to the link of these information.
Because the restriction of wireless transmission speed and display device size, a key issue that needs in the question answering system of supporting mobile device to insert to solve is how to find to puing question to the user that a small amount of accurate answer is provided.The question answering system that at present common support mobile device inserts comprises based on the automated processing system of full text matching technique with based on expert's question answering system of sorting out.
In the automated processing system based on the full text matching technique, the problem that the user submits to is a keyword or several crucial contaminations.After question answering system receives these keywords, in the answer information of its collection, search suitable answer by the mode of keyword coupling.For avoiding causing the huge information retrieval result of quantity to turn back to mobile device, negligible amounts is often only collected by this system, and the information that length is short is such as some classified information.And the equipment user tends to import complicated problems in order to obtain more accurate information.Utilize conventional full text matching technique, often be difficult in to find in the simple information of having collected and import the accurately content of coupling of challenge with the user.
In based on expert's question answering system of sorting out, the one or more often sentences that meet grammar for natural language and sentence structure of problem that the user submits to.Some experts with this domain knowledge have been arranged in each field, and the problem that the user proposes all is referred to a certain field and is handled by the expert in this field.The main difficulty of this type systematic is classification.If taxonomical hierarchy is too shallow, then be difficult to the problem that accurately finds suitable expert to come process user to propose.If but taxonomical hierarchy is too dark, then inconvenient user's use, particularly mobile device user.
How the present invention is to put question to the user to find only answer user in question answering system in order to solve exactly, is particularly useful for the question answering system of supporting that mobile device inserts.For achieving this end, some expect that easily the conventional way that may be used in the question answering system mainly contains:
A) be used for the bid ranking technology based on keyword of search engine system.Typical example is that application number is disclosedly in the patent application of 02117998.0 (publication number is CN1462003A) a kind ofly to utilize search engine to release news and by the method for bid ranking.In this technology, an information issue user can buy some keyword, and offers search engine system in advance.When a user comprises the keyword of this information issue user purchase by the one or more keywords to this system request search service and its input, search engine system will provide information issue user to wish that information releasing is as Search Results.Here, have only when the user's who asks search service input comprises the keyword of information issue user purchase, information issue user wishes that information releasing just may return to the user of request search service.If this technology directly is applied in the question answering system, then need the answer user that some keywords are provided in advance, and when the problem of puing question to the user to submit to comprised these keywords, answer user's information will be sent to putd question to the user.And in actual question answering system, often require the answer user to provide word as much as possible or sentence to describe the feature of its problem that can answer.In this case, put question to problem that the user submits to be difficult to just comprise word or the sentence that all these are used to describe the feature of the problem that the answer user can answer, thereby can't guarantee to find only answer user to answer the problem of puing question to the user.On the contrary, if this bid ranking technology directly is applied in the question answering system, the answer user who provides the word of the feature that is used to describe its problem that can answer on a small quantity or sentence on the contrary is selected easily, as the answer supplier of problem.
B) be used for information query system based on short message and keyword.A typical example is http://isee.sina.net/ (2007-12-21).In this technology, the cellphone subscriber sends to a certain short message service number by editor's keyword, can inquire the registration content of this keyword.This registration content generally also is that certain user's (generally being information issue user) offers the hope of this system in advance by this system's information releasing.When a user just is the keyword of other user's purchase by a keyword to this system request inquiry service and its input, this inquiry system will provide this user who has bought this keyword to wish that information releasing is as Query Result.Here, have only when the user's who asks inquiry service input just is the keyword of another one user purchase, the user who buys this keyword wishes that information releasing just may return to the user of request Query Information.If this technology directly is applied in the question answering system, then need the answer user that a keyword is provided in advance, and when the problem of puing question to the user to submit to just was these keywords, answer user's information will be sent to putd question to the user.Equally, because in actual question answering system, often require the answer user to provide word as much as possible or sentence to describe the feature of its problem that can answer.In this case, the very difficult of problem of puing question to the user to submit to just is these words or sentence, thereby can't guarantee to find only answer user to answer the problem of puing question to the user.Equally, if this technology directly is applied in the question answering system, the answer user who provides the word of the feature that is used to describe its problem that can answer on a small quantity or sentence on the contrary is selected easily, as the answer supplier of problem.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, a kind of question and answer matching process and answering method and system that is used for question answering system is provided, utilize this method or system, can find only answer user for puing question to the user, thereby for puing question to the user that a small amount of accurate answer is provided.In technology provided by the invention, the answer user can provide outside the answer of problem, and the predefined separately one group of word of several answers user or the sentence that are specifically designed to the question and answer coupling first also are provided in addition.These predefined one group of words or sentence can be detailed as far as possible, to help the definite answer user of mating most of question answering system.Answer user's answer is not these predefined one group of word or sentences, and can be some very simple but phrase or sentences accurately.Particularly for mobile device user, this mode helps satisfying the needs of mobile device user.
Technical scheme of the present invention is as follows:
Be used for the question and answer matching process of question answering system, it is characterized in that comprising: in answer user data module, predefined separately one group of word of several answers of list storage user and/or sentence; After puing question to the user to propose a problem, by the matching degree computing module with word and/or sentence that this problem had, one by one with predefined one group of word of answer user and/or sentence, count with regard to identical or semantic identical part, draw answer user's matching degree value respectively, thereby determine the answer user of this problem of response according to matching degree value.
For described predefined one group of word and/or sentence, respectively to wherein each word and/or each sentence value of assigning weight; Described counting can adopt weighted count.
In predefined one group of word of described answer user and/or the sentence, comprise combining structure with logical relation symbol.
Described logical relation symbol comprises with next or surpass one combination: presentation logic and " AND " or " * ", presentation logic or " OR " or "+", " NOT " or "-" that presentation logic is non-, and ") that be used for determining the logical operation order " and " (".
The distribution of described weighted value and answer user's professional domain, experience and experience are relevant, perhaps with the answer user total quantity of predefined one group of word or sentence relevant, perhaps the importance with keyword is relevant.
Described identical or semantic identical part word and/or sentence do not comprise that some are too commonly used so that without any mating word and/or the sentence that is worth.
A kind of answering method that is used for question answering system is characterized in that, comprises the steps:
Described answer is offered the mode of puing question to the user, can selected answer user be stored in answer in the question answering system in advance by question answering system and directly send to and put question to the user.
Described Subscriber Interface Module SIM is supported a kind of in the following access way or surpassed a kind of combination: short message inserts, and Email inserts, and web browser inserts.
For each access way, question answering system all has the address of one or more correspondences to be used for carrying out communication with the user of this access style.
In the described answer user data module, can also comprise storing the address information that the answer user provides that by these address informations, question answering system can be transmitted the problem of puing question to the user to submit to, and receive answer user's answer.
The limit that described answer user is selected in can be specified by question answering system, also can be by puing question to the user to specify.
Described identical or semantic identical part word and/or sentence do not comprise that some are too commonly used so that without any mating word and/or the sentence that is worth.
A kind of question answering system is characterized in that: comprise Subscriber Interface Module SIM, and answer user data module, matching degree computing module and answer are obtained and forwarding module;
Described Subscriber Interface Module SIM is used to transmit information such as enquirement between question answering system and the user and answer;
Described answer user data module is used for storage problem answer predefined one group of word of user and/or sentence;
Described matching degree computing module is used to calculate the problem that the problem of reception promptly puts question to the user to submit to by Subscriber Interface Module SIM, with the matching degree of predefined one group of word of each answer user and/or sentence;
Described answer is obtained and forwarding module, is used for the height according to described matching degree, and problem identificatioin is answered the user and its answer is offered the enquirement user.
Described answer user data module, predefined separately one group of word of several answers of list storage user and/or sentence perhaps also are included as wherein each word and/or each sentence value of assigning weight.
Described matching degree computing module, word that has submitting a question or sentence, with predefined one group of word of answer user and/or sentence, count or weighted count one by one, draw answer user's matching degree value respectively with regard to identical or semantic identical part; Described answer obtain and forwarding module according to matching degree value from height to low order, perhaps also comprise the limit condition, determine selected answer user; Selected answer user responds this problem, answer is offered put question to the user.
Described answer is offered the mode of puing question to the user, can selected answer user be stored in answer in the question answering system in advance by question answering system and directly send to and put question to the user.
Described identical or semantic identical part word and/or sentence do not comprise that some are too commonly used so that without any mating word and/or the sentence that is worth.
Technique effect of the present invention is as follows:
In the present invention, the answer user provides two groups of information: a kind of is predefined one group of word of answer user or sentence, these words or sentence are used to describe the feature of the problem that the answer user can answer, and are used for question answering system and determine only answer user.This group word is accurate more, and quantity is many more, helps more for puing question to the user to find suitable answer user.Other one group is that the answer user really sends to put question to the user to be used to answer the question answer information that the user puts question to.Therefore, have only the answer user to provide as much as possible in advance, the problem that it is good at answer described in accurate word or sentence, and put question to the user also can provide as much as possible, its problem described in accurate word or sentence, just help more for puing question to the user to find suitable answer user.When puing question to the user to be mobile device user, predefined one group of word of answer user or sentence can be more detailed, but its answer can be fairly simple, to satisfy the needs of mobile device user.
Description of drawings
Fig. 1 is the question answering system structured flowchart that the answer user furnishes an answer in real time.
Fig. 2 is the address example schematic of question answering system and user communication.
Fig. 3 is the list storage schematic diagram data in the answer user data module.
Fig. 4 is the answering method flow chart that the answer user furnishes an answer in real time.
Fig. 5 is the question answering system structured flowchart of acquisition of information in advance.
Fig. 6 is that flow chart is obtained in the answer of acquisition of information in advance.
Embodiment
The present invention is a kind of question and answer matching process and answering method and system that is used for question answering system.
An object of the present invention is to provide a kind of method that a small amount of accurate answer is provided for the enquirement user in question answering system.Another object of the present invention has provided a kind of system that a small amount of accurate answer is provided for the enquirement user in question answering system.Method and system provided by the invention is specially adapted to mobile device user, because for these users, the result's of a problem quantity often must be in certain scope.
The foregoing invention purpose can be by the following method and step realize:
A) the answer user provides one group of word or sentence in advance.Predefined one group of word of these answers user or sentence are stored in the question answering system.In certain embodiments, described word can also combine by the logical relation symbol; Logical relation symbol includes but not limited to: presentation logic and " AND " or " * ", presentation logic or " OR " or "+", " NOT " or "-" that presentation logic is non-, and ") that be used for determining the logical operation order " and " (".These words or sentence are used to describe the feature of the problem that the answer user can answer.These features can be information such as the field of problem of solution that the answer user is good at or word.In certain embodiments, the answer user also provides its address information to question answering system, and by these address informations, question answering system can be transmitted the problem of puing question to the user to submit to, and receives answer user's answer.In certain embodiments, each answer user can also store answer at some particular problem in advance in question answering system.
B) put question to the user question answering system that submits a question.The problem that the user submits to comprises one or more word or sentence at least.These words or sentence can be the combinations of some words or meet grammar for natural language and the phrase of sentence structure or sentence.In certain embodiments, question answering system supports short message to insert, and Email inserts, one or more in web browser or other access way.
C) calculate the matching degree of predefined one group of word of this problem and each answer user or sentence.Described matching degree is to be used to characterize numerical value of quantity of word identical or that have identical meanings that this problem and predefined this group word of answer user or sentence comprise or sentence or the count value after the weighting.In certain embodiments, described matching degree is equal to the word identical or that have identical meanings that predefined this group word of this problem and answer user or sentence comprise or the quantity of sentence.And in certain embodiments, also be that different terms is distributed different weights in the described matching degree of calculating; In certain embodiments, when calculating described matching degree, also distribute different weights according to different answer users; In certain embodiments, described identical or semantic identical part word and/or sentence do not comprise that some are too commonly used so that without any mating word and/or the sentence that is worth.Such as, " " and " " just may be can uncared-for word.
D), determine one or more answer users that can furnish an answer for current problem according to the height of described matching degree.Only provide one group can furnish an answer for current problem with the higher word of current problem matching degree or one or more answer users of sentence.In certain embodiments, the answer user that predefined one group of word of answer user that only provides to some extent or sentence and problem matching degree are high provides and can see or receive this problem; In certain embodiments, the answer user that predefined one group of word of answer user that only provides to some extent or sentence and problem matching degree are high can respond this problem.
E) with the d of step) determined answer user's answer offers current enquirement user.In certain embodiments, the answer that the answer user that predefined one group of word of the answer user who is provided or sentence and problem matching degree are high provides preferentially turns back to put question to the user or preferentially be shown to puts question to the user.In certain embodiments, behind the question answering system problem identificatioin answer user, the answer that this answer user is stored in this system in advance offers the enquirement user.In certain embodiments, behind the question answering system problem identificatioin answer user, the problem of puing question to the user to submit to is transmitted to this answer user, the answer that transmitting this answer user then provides is arrived and is putd question to the user.
The foregoing invention purpose can realize by following system: this system includes but not limited to: Subscriber Interface Module SIM, and answer user data module, matching degree computing module and answer are obtained and forwarding module.
A) user interface: be used to transmit information such as enquirement between question answering system and the user and answer.The problem that the user submits to comprises one or more word or sentence at least.These words or sentence can be the combinations of some words or meet grammar for natural language and the phrase of sentence structure or sentence.In certain embodiments, question answering system supports short message to insert, and Email inserts, one or more in web browser or other access way.
B) answer user data module: storage problem answer predefined one group of word of user or sentence.These words or sentence are used to describe the feature of the problem that the answer user can answer.In certain embodiments, described word can also combine by the logical relation symbol; Logical relation symbol includes but not limited to: presentation logic and " AND " or " * ", presentation logic or " OR " or "+", " NOT " or "-" that presentation logic is non-, and ") that be used for determining the logical operation order " and " (".These features can be information such as the field of problem of solution that the answer user is good at or word.In certain embodiments, the answer user also provides its address information to question answering system, and by these address informations, question answering system can be transmitted the problem of puing question to the user to submit to, and receives answer user's answer.In certain embodiments, each answer user can also store answer at some particular problem in advance in question answering system.
C) matching degree computing module: calculate the problem of reception and the matching degree of predefined one group of word of each answer user or sentence.Described matching degree is to be used to characterize numerical value of quantity of word identical or that have identical meanings that this problem and predefined this group word of answer user or sentence comprise or sentence or the counting after the weighting.In certain embodiments, described matching degree is equal to the word identical or that have identical meanings that predefined this group word of this problem and answer user or sentence comprise or the quantity of sentence.And in certain embodiments, also be that different terms is distributed different weights in the described matching degree of calculating; In certain embodiments, when calculating described matching degree, also distribute different weights according to different answer users; In certain embodiments, described identical or semantic identical part word and/or sentence do not comprise that some are too commonly used so that without any mating word and/or the sentence that is worth.Such as, " " and " " just may be can uncared-for word.
D) answer is obtained and forwarding module: according to the height of described matching degree, problem identificatioin is answered the user and its answer is offered current enquirement user, and determined answer user's answer is offered current enquirement user.Only provide one group can furnish an answer for current problem with the higher word of current problem matching degree or one or more answer users of sentence.In certain embodiments, the answer user that predefined one group of word of answer user that only provides to some extent or sentence and problem matching degree are high provides and can see or receive this problem; In certain embodiments, the answer user that predefined one group of word of answer user that only provides to some extent or sentence and problem matching degree are high can respond this problem.In certain embodiments, the answer that the answer user that predefined one group of word of the answer user who is provided or sentence and problem matching degree are high provides preferentially turns back to put question to the user or preferentially be shown to puts question to the user.In certain embodiments, behind the question answering system problem identificatioin answer user, the answer that this answer user is stored in this system in advance offers the enquirement user.In certain embodiments, behind the question answering system problem identificatioin answer user, the problem of puing question to the user to submit to is transmitted to this answer user, the answer that transmitting this answer user then provides is arrived and is putd question to the user.
The present invention comprises following key technologies:
1. the answer user provides two groups of information: a kind of is predefined one group of word of answer user or sentence, these words or sentence are used to describe the feature of the problem that the answer user can answer, and are used for question answering system and determine only answer user.This group word is accurate more, and quantity is many more, helps more for puing question to the user to find suitable answer user.Other one group is that the answer user really sends to put question to the user to be used to answer the question answer information that the user puts question to.
2. with matching degree result calculated problem identificatioin answer user.Described matching degree is that the quantity of the word identical or identical meanings that comprised jointly by the problem of puing question to the user and predefined this group word of answer user or sentence or sentence is definite, optionally, also can determine weights by certain rule, and the summation of weights of calculating all words identical or identical meanings that comprise jointly or sentence is as the tolerance of matching degree for these words or sentence.
With foregoing search engine in bid ranking and mainly be based on the main distinction of the cellphone information inquiry system of keyword: bid ranking need determine whether searching request comprises the keyword that other user has bought; Need determine based on the cellphone information inquiry system of keyword whether query requests just is the keyword that other user has bought.And in the disclosed technology of this patent, the relation that does not comprise mutually between word that problem that the user proposes and answer user provide in advance or the sentence, but adopt the identical or semantic identical word total between word first that problem that matching algorithm determines to put question to the user and answer user provide in advance or the sentence or the quantity of sentence, or adopt the two the identical or semantic identical word that has of sign that calculates behind certain weighting scheme or the quantity of sentence.According to this result of calculation problem identificatioin answer user.
In order further to set forth the technology used in the present invention means, be further described below in conjunction with preferred embodiment.
Fig. 1 is the embodiment according to a kind of question answering system of technology realization provided by the invention.This question answering system comprises Subscriber Interface Module SIM (110), answer user data module (111), matching degree computing module (112) and answer is obtained and forwarding module (113).The function of these modules is respectively:
Subscriber Interface Module SIM (110): be used to transmit information such as enquirement between question answering system and the user and answer.The problem that the user submits to comprises one or more word or sentence at least.These words or sentence can be the combinations of some words or meet grammar for natural language and the phrase of sentence structure or sentence.In certain embodiments, question answering system supports short message to insert, and Email inserts, one or more in web browser or other access way.
In the present embodiment, question answering system supports short message to insert simultaneously, and Email inserts and web browser inserts; The user submits a question can be one group of word or meet grammar for natural language and the sentence of sentence structure.In the present embodiment, Subscriber Interface Module SIM also comprises the protocol conversion part, with also can be mutual smoothly between the user who guarantee to adopt different access waies.As shown in Figure 1, user A (101), user B (102) and user C (103) they are the users of this question answering system.Note the user A (101) here, user B (102) and user C (103) only are 3 users among numerous users in this question answering system of enumerating for convenience.For convenience of explanation, as shown in Figure 2, suppose user A (101), by short message (201), Email (202) and web browser (203) insert this system respectively for user B (102) and user C (103).Corresponding to each access way, this system all has the address of one or more correspondences to be used for carrying out communication with the user of the type.
Fig. 2 has also enumerated user A (101), the address of user B (102) and user C (103) is respectively 13683600172 (204), user_A@askother.com (205) and 10.10.10.2::8080 (206), and respectively with the address 80000 (207) of question answering system, ask@askother.com (208) and 10.10.10.1::8080 (209) carry out communication.In the present embodiment, user's access way and address information are kept in the Subscriber Interface Module SIM.
In other some embodiment, question answering system can only support short message to insert, and Email inserts and mode such as web browser access a kind of or certain is several.
Answer user data module (111): storage problem answer predefined one group of word of user or sentence.These words or sentence are used to describe the feature of the problem that the answer user can answer.In the present embodiment, described word can also combine by the logical relation symbol; Logical relation symbol includes but not limited to: presentation logic and " AND " or " * ", presentation logic or " OR " or "+", " NOT " or "-" that presentation logic is non-, and ") that be used for determining the logical operation order " and " (".These features can be information such as the field of problem of solution that the answer user is good at or word.In the present embodiment, the answer user also provides its address information to question answering system, and by these address informations, question answering system can be transmitted the problem of puing question to the user to submit to, and receives answer user's answer.In certain embodiments, some answer user can also store answer at some particular problem in advance in question answering system.
As shown in Figure 3, in the present embodiment, the information in the data module comprises: answer user ID (301), predefined one group of word or sentence (302) and corresponding weights (324) thereof, answer user's address (303).Corresponding three users shown in Figure 3: user D (304), user E (305), user F (306), this data module is being stored its predefined one group of word or sentence: such as " sound card (307) ", " No. 375 buses (313) " ..., " hard disk (308) "; " computer maintenance (316) "; ..., " hard disk (309) ", " Site of Qing Hua Yuan (320) " ... wait and be the weights of each phrase or sentence setting.In the present embodiment, these weights are used to calculate the height of matching degree.This data module also comprises these answers user's address, such as: " 13683600172 (310) ", " user_d@askother.com (311) ", " 10.10.10.3::8080 (312) ".
In the present embodiment, predefined word of same answer user or sentence can have different weights.Weights such as " sound card (307) " are 5, and the weights of " No. 375 buses (313) " then are 4.In the present embodiment, the predefined identical word of different answer users also can have different weights, and the weights of " price (314) " set such as user D (304) are 2, and the weights of " price (323) " that user F (306) sets then are 1.These weights all are applied in the matching degree calculating, and influence result calculated.
Notice that the content in problem described here and the user data module only is some hypothesis of making for convenience, might not represent real situation.
Matching degree computing module (112): calculate the problem of reception and the matching degree of predefined one group of word of each answer user or sentence.Matching degree is for determining which answer user to answer current problem by provides foundation.In the present embodiment, described matching degree is that the quantity of the word identical or identical meanings that comprised jointly by the problem of puing question to the user and predefined this group word of answer user or sentence or sentence is definite.In the present embodiment, also be that different terms is distributed different weights in the described matching degree of calculating; In the present embodiment, when calculating described matching degree, also distribute different weights according to different answer users.In the present embodiment, for arbitrary answer user, corresponding to being calculated as of the matching degree of a certain problem: the word identical or identical meanings that the problem of puing question to the user and predefined this group word of this answer user or sentence comprise jointly or the weights of sentence with.
Still as shown in Figure 3, suppose to have a certain enquirement user problem is " may I ask in the Zhong Guan-cun and can buy hard disk? " for answer user D (304), in its predefined one group of word or sentence, with the description of current problem without any identical word, so the matching degree result calculated is 0.Same problem, for answer user E (305), its predefined word comprises " hard disk " this word (308), with the description of current problem an identical word " hard disk " is arranged, and be 5 to weights that should word, so its matching degree is 5.Same problem, for answer user F (306), its predefined word is " hard disk " (309), with the description of current problem identical two words " hard disk " and " Zhong Guan-cun " are arranged, so its matching degree is 10.Notice that the content in problem described here and the user data module only is some hypothesis of making for convenience, might not represent real situation.
Matching degree computing module (112) result calculated will offer that answer is obtained and forwarding module (113), be used for problem identificatioin answer user and its answer is offered current enquirement user.
Answer is obtained and forwarding module (113): according to the height of described matching degree, problem identificatioin is answered the user and its answer is offered current enquirement user.Under this prerequisite, problem is forwarded to one group of word or sentence and the current problem matching degree problem of higher answer user who sets.Receive the answer that these answers user provides then and be transmitted to and put question to the user.In the present embodiment, in the regular hour scope, the answer that the answer user provides offers the enquirement user by the height of described matching degree by certain priority order.
According to the height of described matching degree, problem identificatioin is answered the user and its answer is offered current enquirement user, and determined answer user's answer is offered current enquirement user.Only provide one group can furnish an answer for current problem with the higher word of current problem matching degree or one or more answer users of sentence.In the present embodiment, for any one problem, the answer user's that can furnish an answer number can not surpass the maximum that allows.Under this prerequisite, problem is forwarded to one group of word or sentence and the current problem matching degree problem of higher answer user who sets.Receive the answer that these answers user provides then and be transmitted to and put question to the user.In the present embodiment, in the regular hour scope, the answer that the answer user provides offers the enquirement user by the height of described matching degree by certain priority order.In other embodiment, behind the question answering system problem identificatioin answer user, the answer that this answer user is stored in this system in advance offers the enquirement user.
Still with as shown in Figure 3, suppose to have a certain enquirement user problem is " may I ask in the Zhong Guan-cun and can buy hard disk? ", matching degree computing module (112) offers the matching degree result calculated that answer is obtained and forwarding module (113).Corresponding to answer user F (306), matching degree is the highest, is answer user E (305) then.
The value that can not surpass permission of the answer user's that can furnish an answer in the present embodiment, number.When the answer user's that can furnish an answer maximum number greater than 1 situation under, problem is forwarded to answer user F (306) and answer user E (305).Answer user F (306) and answer user E (305) respond this problem respectively, and its answer is sent to question answering system.If in certain information, question answering system is received this two responses simultaneously, then preferentially the information of answer user F (306) is offered and put question to the user, the information of answer user F (306) just is provided then.If puing question to the user is browser client, then the information of answer user F (306) will be displayed by priority.If puing question to the user is Email User or short message user, then the information of answer user F (306) at first is sent to this enquirement user.In the present embodiment, if the answer user's that can furnish an answer maximum number is 1, have only answer user F (306) can receive and respond this problem.The answer user's that can furnish an answer in the present embodiment, maximum number is a fixing value.In the present embodiment, this value can be putd question to the user to specify.In other some embodiment, put question to the user to specify to wish the maximum number of the answer that receives, question answering system is parameter rule of thumb, calculates the answer user's that can furnish an answer maximum number in view of the above.
In some other embodiment, problem is being sent to the answer user, or answer user's answer is being sent to when puing question to the user, question answering system can also be added some information, such as advertisement.
As shown in Figure 4, handling procedure begins to carry out (401) after question answering system is started working.Step (402) reads a problem and the information such as address that obtains this enquirement user and user ID of puing question to the user to submit to.Handling procedure execution in step (403) then, by calculating the matching degree of predefined one group of word of this problem and described answer user or sentence, for determining information to be provided and how to provide foundation to enquirement user forwarding information by which answer user.
In the present embodiment, described matching degree is that the quantity of the word identical or identical meanings that comprised jointly by the problem of puing question to the user and predefined this group word of answer user or sentence or sentence is definite.In the present embodiment, also be that different terms is distributed different weights in the described matching degree of calculating; In the present embodiment, when calculating described matching degree, also distribute different weights according to different answer users.In the present embodiment, for arbitrary answer user, corresponding to being calculated as of the matching degree of a certain problem: the word identical or identical meanings that the problem of puing question to the user and predefined this group word of this answer user or sentence comprise jointly or the weights of sentence with.
The matching degree result calculated will be used for problem identificatioin answer user and its answer will be offered current enquirement user.In the present embodiment, the answer user's that can furnish an answer number can not surpass the value (for convenience of description, being designated as N) that allows.Therefore, in step (404), if matching degree greater than 0 result's number greater than N (405), then only this problem is transmitted to corresponding to the highest N the answer user (406) of matching degree.Otherwise (407), problem is transmitted to all corresponding to matching degree greater than 0 answer user (408).Then, enter step (409), wait for answer user's answer.Because answer user response problem needs the regular hour, therefore in the present embodiment, within a certain period of time, question answering system is waited for the answer (409) that each answer user provides.
After the answer (410) that receives all problems answer user, the information that obtains is offered enquirement user (414) by certain priority order.In the present embodiment, this priority order depends on the height of corresponding matching degree.Matching degree is high more, and then preferential more the offering of corresponding answer user's answer putd question to the user.
In the present embodiment, if the stand-by period overtime (411) then no matter whether receive all problems answer user's answer, all the answer that will receive at present according to priority order offer and put question to user (414).If there are not overtime (413), then continue to wait for, up to the answer or the stand-by period overtime (411) that receive all problems answer user.In certain embodiments, after an answer user's answer is received, can offers at once and put question to the user.In certain embodiments, after receiving the instruction of puing question to the user, question answering system just provides the information of obtaining to this enquirement user.So far, finished processing to current problem.If also need to handle more problem, then get back to step (402).Otherwise (416), the execution of termination routine.
Fig. 5 is the embodiment of the another kind of question answering system of realization according to the present invention.In the present embodiment, answer user's answer is not to be stored in the question answering system in advance.Compare with question answering system shown in Figure 1, the difference of present embodiment is:
1. have in the answer data module (514) in the present embodiment.Answer user's answer is not to offer in real time to put question to the user, but is stored in advance in the answer data module (514) of question answering system.
2. in the present embodiment, answer obtain and the function of forwarding module (513) different.In the present embodiment, behind the question answering system problem identificatioin answer user, the answer that this answer user is stored in this answer data module (514) in advance offers the enquirement user.Rather than embodiment as shown in Figure 1, problem can be forwarded to the answer user, is furnished an answer in real time by the answer user then.
Other module of present embodiment is all with embodiment illustrated in fig. 1 identical, herein superfluous words no longer.
Fig. 6 is the embodiment in conjunction with a kind of answering method of system shown in Figure 5 realization.Step wherein is most of identical with step shown in Figure 4.Different is that in the present embodiment, behind the question answering system problem identificatioin answer user, the answer that this answer user is stored in this question answering system in advance offers the enquirement user.Rather than embodiment as shown in Figure 5, problem can be forwarded to the answer user, provides information in real time by the answer user then.Concrete steps are as follows:
As shown in Figure 6, handling procedure begins to carry out (601) after question answering system is started working.Step (602) reads a problem and the information such as address that obtains this enquirement user and user ID of puing question to the user to submit to.Handling procedure execution in step (603) then, by calculating the matching degree of predefined one group of word of this problem and described answer user or sentence, for determining information to be provided and how to provide foundation to enquirement user forwarding information by which answer user.
In the present embodiment, described matching degree is that the quantity of the word identical or identical meanings that comprised jointly by the problem of puing question to the user and predefined this group word of answer user or sentence or sentence is definite.In the present embodiment, also be that different terms is distributed different weights in the described matching degree of calculating; In the present embodiment, when calculating described matching degree, also distribute different weights according to different answer users.In the present embodiment, for arbitrary answer user, corresponding to being calculated as of the matching degree of a certain problem: the word identical or identical meanings that the problem of puing question to the user and predefined this group word of this answer user or sentence comprise jointly or the weights of sentence with.
The matching degree result calculated will be used for problem identificatioin answer user and its answer will be offered current enquirement user.In the present embodiment, the answer user's that can furnish an answer number can not surpass the value (for convenience of description, being designated as N) that allows.
Therefore, in step (604), if matching degree greater than 0 result's number greater than N (605), then search the answer data module, obtain answer (606) corresponding to N higher answer user of matching degree.Otherwise (607), search the answer data module, obtain all corresponding to the answer (608) of matching degree greater than 0 answer user.Then, enter step (609), by certain priority order the answer that obtains is offered and put question to user (609).In the present embodiment, this priority order depends on the height of corresponding described matching degree.Matching degree is high more, and then preferential more the offering of corresponding answer user's answer putd question to the user.In certain embodiments, after receiving the instruction of puing question to the user, question answering system just provides the information of obtaining to this enquirement user.So far, finished processing to current problem.If also need to handle more problem, then get back to step (602).Otherwise (611), the execution of termination routine.
Other embodiment:
Other embodiment that does some simple expansions on above embodiment basis includes but not limited to following several:
1. in certain embodiments, same answer user can provide some groups of predefined words or sentence as the question and answer coupling simultaneously, and determines selected answer user by question answering system.
2. some embodiment is the combination with Fig. 1 and system shown in Figure 5, i.e. some answer is that the answer user is predefined, and the other answer is provided in real time by the answer user.These systems are the simple combination on cited embodiment basis just.
3. some embodiment is the combination with Fig. 4 and method shown in Figure 6, i.e. some answer is that the answer user is predefined, and the other answer is provided in real time by the answer user.These systems are the simple combination on cited embodiment basis just.
4. some other embodiment is sending to problem the answer user, or answer user's answer is sent to when puing question to the user, can also add some other information, such as advertisement.
Claims (18)
1. be used for the question and answer matching process of question answering system, it is characterized in that comprising: in answer user data module, predefined separately one group of word of several answers of list storage user and/or sentence; After puing question to the user to propose a problem, by the matching degree computing module with word and/or sentence that this problem had, one by one with predefined one group of word of answer user and/or sentence, count with regard to identical or semantic identical part, draw answer user's matching degree value respectively, thereby determine the answer user of this problem of response according to matching degree value.
2. the question and answer matching process that is used for question answering system according to claim 1 is characterized in that: for described predefined one group of word and/or sentence, respectively to wherein each word and/or each sentence value of assigning weight; Described counting can adopt weighted count.
3. the question and answer matching process that is used for question answering system according to claim 1 is characterized in that: in predefined one group of word of described answer user and/or the sentence, comprise the combining structure with logical relation symbol.
4. the question and answer matching process that is used for question answering system according to claim 3, it is characterized in that: described logical relation symbol comprises with next or surpass one combination: presentation logic and " AND " or " * ", presentation logic or " OR " or "+", " NOT " or "-" that presentation logic is non-, and ") that be used for determining the logical operation order " and " (".
5. the question and answer matching process that is used for question answering system according to claim 2, it is characterized in that: the distribution of described weighted value is relevant with answer user's professional domain, experience and experience, perhaps with the answer user total quantity of predefined one group of word or sentence relevant, perhaps the importance with keyword is relevant.
6. the question and answer matching process that is used for question answering system according to claim 1 is characterized in that: for comprise in described predefined one group of word and/or the sentence some are too commonly used so that word that is worth without any coupling and/or sentence do not participate in described matching degree value calculates.
7. an answering method that is used for question answering system is characterized in that, comprises the steps:
Step 1, in answer user data module, predefined separately one group of word of several answers of list storage user and/or sentence perhaps also are included as wherein each word and/or each sentence value of assigning weight;
Step 2 puts question to the user by the Subscriber Interface Module SIM question answering system that submits a question;
Step 3, by the matching degree computing module with word or sentence that this problem had, with predefined one group of word of answer user and/or sentence, count or weighted count one by one, draw answer user's matching degree value respectively with regard to identical or semantic identical part;
Step 4 from height to low order, perhaps also comprises the limit condition according to matching degree value, determines selected answer user; Selected answer user responds this problem, answer is offered put question to the user.
8. the answering method that is used for question answering system according to claim 7, it is characterized in that: described answer is offered the mode of puing question to the user, can selected answer user be stored in answer in the question answering system in advance by question answering system and directly send to and put question to the user.
9. the answering method that is used for question answering system according to claim 7 is characterized in that: described Subscriber Interface Module SIM is supported a kind of in the following access way or surpassed a kind of combination: short message inserts, and Email inserts, and web browser inserts.
10. the answering method that is used for question answering system according to claim 9 is characterized in that: for each access way, question answering system all has the address of one or more correspondences to be used for carrying out communication with the user of this access style.
11. the answering method that is used for question answering system according to claim 7, it is characterized in that: in the described answer user data module, can also comprise and store the address information that the answer user provides, by these address informations, question answering system can be transmitted the problem of puing question to the user to submit to, and receives answer user's answer.
12. the answering method that is used for question answering system according to claim 7 is characterized in that: the limit that described answer user is selected in can be specified by question answering system, also can be by puing question to the user to specify.
13. the answering method that is used for question answering system according to claim 7 is characterized in that: for comprise in described predefined one group of word and/or the sentence some are too commonly used so that word that is worth without any coupling and/or sentence do not participate in described coupling calculates.
14. a question answering system is characterized in that: comprise Subscriber Interface Module SIM, answer user data module, matching degree computing module and answer are obtained and forwarding module;
Described Subscriber Interface Module SIM is used to transmit information such as enquirement between question answering system and the user and answer;
Described answer user data module is used for storage problem answer predefined one group of word of user and/or sentence;
Described matching degree computing module is used to calculate the problem that the problem of reception promptly puts question to the user to submit to by Subscriber Interface Module SIM, with the matching degree of predefined one group of word of each answer user and/or sentence;
Described answer is obtained and forwarding module, is used for the height according to described matching degree, and problem identificatioin is answered the user and its answer is offered the enquirement user.
15. question answering system according to claim 14, it is characterized in that: described answer user data module, predefined separately one group of word of several answers of list storage user and/or sentence perhaps also are included as wherein each word and/or each sentence value of assigning weight.
16. question answering system according to claim 14, it is characterized in that: described matching degree computing module, word that has submitting a question or sentence, one by one with predefined one group of word of answer user and/or sentence, count or weighted count with regard to identical or semantic identical part, draw answer user's matching degree value respectively; Described answer obtain and forwarding module according to matching degree value from height to low order, perhaps also comprise the limit condition, determine selected answer user; Selected answer user responds this problem, answer is offered put question to the user.
17. question answering system according to claim 16 is characterized in that: described answer is offered the mode of puing question to the user, can selected answer user be stored in answer in the question answering system in advance by question answering system and directly send to and put question to the user.
18. question answering system according to claim 16 is characterized in that: for comprise in described predefined one group of word and/or the sentence some are too commonly used so that word that is worth without any coupling and/or sentence do not participate in described matching degree value calculates.
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| CNA2008100574848A CN101257512A (en) | 2008-02-02 | 2008-02-02 | Inquiry answer matching method used for inquiry answer system as well as inquiry answer method and system |
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