CN107562907A - A kind of intelligent lawyer's expert system and case answering device - Google Patents
A kind of intelligent lawyer's expert system and case answering device Download PDFInfo
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Abstract
The invention belongs to expert system technology field, discloses a kind of intelligent lawyer's expert system and case answering device, including：Data obtaining module, for obtaining merit information；Language material library module, including：The corpus established based on lawyer's history merit processing information；Word-dividing mode, it is connected with described information acquisition module, the merit information is segmented；Keyword extracting module, it is connected with the acne module, keyword is extracted using TFIDF methods；Primary matching module, it is connected respectively with the keyword extracting module and the language material library module, using cosine similarity matching process, based on the keyword, merit problem is matched with the merit in corpus；The answer of 3 higher problems of cosine similarity is taken to export.The present invention provides a kind of efficient intelligent lawyer's expert system and case answering device.
Description
Technical field
The present invention relates to expert system technology field, more particularly to a kind of intelligent lawyer's expert system and case response dress
Put.
Background technology
With the development in epoch, the troxerutine tabtets of people greatly improve, and in life, people can run into various ask
Topic, and the solution people of many problems can only seek the help of law.Improve law, first it is conceivable that be lawyer, so
And the number of lawyer is numerous in reality, and each lawyer is good at different fields, and the chance that people contact lawyer is less, nothing
Method judges the quality of lawyer, and also have no way of finding out about it merit of this lawyer if appropriate for oneself, and solving legal issue for people brings
Greatly inconvenience.There is technology (the bibliography height that many scholars propose various lawyer's commending system and intelligent answer matchings
Jun Cheng
Lawyer's information bank method and device is created, lawyer recommends method, apparatus and system, number of patent application：
CN201610783519.0), this recommends the method for lawyer although to solve a part of problem, but in actual life, a lot
Use of the people to such system understands few, is not easy to use, and people understand lawyer information it is less, ask the cost of lawyer compared with
Height, even if recommending lawyer's information, people still have great possibly can not find lawyer and solve problem.
The content of the invention
The present invention provides a kind of intelligent lawyer's expert system and case answering device, can efficiently realize legal issue solution
Answer.
In order to solve the above technical problems, the invention provides a kind of intelligent lawyer's expert system and case answering device, bag
Include：
Data obtaining module, for obtaining merit information；
Language material library module, including：The corpus established based on lawyer's history merit processing information；
Word-dividing mode, it is connected with described information acquisition module, the merit information is segmented；
Keyword extracting module, it is connected with the acne module, keyword is extracted using TFIDF methods；
Primary matching module, it is connected respectively with the keyword extracting module and the language material library module, using cosine
Similarity Match Method, based on the keyword, merit problem is matched with the merit in corpus；Take cosine similarity
The answer output of 3 higher problems.
Further, described device also includes：
Candidate keywords screening module, it is connected with the keyword extracting module, using the keyword, in corpus
Keywords matching is carried out using cosine similarity matching process, obtains the candidate keywords of target answer；
Sentence pattern screening module, it is connected with described information acquisition module, syntax is carried out by Grammars method above and below probability
Analysis, obtains candidate's sentence pattern of target answer；
Output module, respectively with the candidate keywords screening module, the sentence pattern screening module and the corpus
Module is connected, and by the candidate keywords according to part of speech, is filled into candidate's sentence pattern, exports final result.
Further, the word-dividing mode is segmented using hidden markov chain model to the merit information.
Further, the keyword extracting module, using the keyword, used in corpus based on corpus
Whether Measurement of word similarity, it is similar to the context environmental residing for word in corpus to calculate the keyword, it is determined that
The semantic similarity of two words；
The word similar to the keywords semantics of the merit information of input is filtered out, the candidate for obtaining target answer is closed
Keyword.
Further, described information acquisition module includes：Sound identification module, obtained with described using speech recognition technology
Merit information simultaneously converts speech information into text message, the input as merit information.
Further, the sound identification module also includes：Fuzzy message matching module, respectively with the speech recognition mould
Block is connected with the word-dividing mode, and the voice messaging is carried out into clustering processing；
If the message part without identification is grouped into a certain clustering cluster, is concentrated in phonetic and match the letter similar to such cluster
Breath；
If after clustering processing, the information that can not correctly identify individually is classified as one kind, then manually rule is handled.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
The intelligent lawyer's expert system and case answering device provided in the embodiment of the present application, makes full use of lawyer's processing case
The history information of feelings, merit processing mode is generated online for user, greatly facilitates the life of people.Without considering to find
Lawyer be adapted to be not suitable for the merit of oneself, the generation of system answer do not limited by problem domain, covers various fields
Problem and answer.Speech recognition technology is added, be convenient for people to use system so that system is more intelligent.Using rule-based
With the fuzzy message matching process of cluster, the situation of in particular cases voice None- identified is efficiently solved, substantially increases and is
The fault-tolerance of system.Syntactic analysis is carried out by Grammars method above and below probability, ambiguity is eliminated, question sentence is changed, answered
The basic structure of sentence.According to the complexity of user's merit problem, using different strategies, the accuracy of system is ensure that significantly
And stability.Merit problem is segmented using hidden markov chain model, using the information of corpus, calculated next
The transition probability of word part of speech, substantially increase participle effect.
Brief description of the drawings
Fig. 1 is the operation overview flow chart of intelligent lawyer's expert responses device provided in an embodiment of the present invention；
Fig. 2 is the rule-based fuzzy message matching process flow chart with cluster provided in an embodiment of the present invention.
Embodiment
The embodiment of the present application can efficiently realize method by providing a kind of intelligent lawyer's expert system and case answering device
Restrain answer.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the case where not conflicting, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
Referring to Fig. 1 and Fig. 2, a kind of intelligent lawyer's expert system and case answering device, including：
Data obtaining module, for obtaining merit information；
Language material library module, including：The corpus established based on lawyer's history merit processing information；
Word-dividing mode, it is connected with described information acquisition module, the merit information is segmented；
Keyword extracting module, it is connected with the acne module, keyword is extracted using TFIDF methods；
Primary matching module, it is connected respectively with the keyword extracting module and the language material library module, using cosine
Similarity Match Method, based on the keyword, merit problem is matched with the merit in corpus；Take cosine similarity
The answer output of 3 higher problems.
Described device also includes：
Candidate keywords screening module, it is connected with the keyword extracting module, using the keyword, in corpus
Keywords matching is carried out using cosine similarity matching process, obtains the candidate keywords of target answer；
Sentence pattern screening module, it is connected with described information acquisition module, syntax is carried out by Grammars method above and below probability
Analysis, obtains candidate's sentence pattern of target answer；
Output module, respectively with the candidate keywords screening module, the sentence pattern screening module and the corpus
Module is connected, and by the candidate keywords according to part of speech, is filled into candidate's sentence pattern, exports final result.
The word-dividing mode is segmented using hidden markov chain model to the merit information.
The keyword extracting module, it is similar using the word based on corpus in corpus using the keyword
Computational methods are spent, whether to context environmental in corpus word residing for similar, determine two words if calculating the keyword
Semantic similarity；
The word similar to the keywords semantics of the merit information of input is filtered out, the candidate for obtaining target answer is closed
Keyword.
Described information acquisition module includes：Sound identification module, merit information is obtained using speech recognition technology with described
And text message is converted speech information into, the input as merit information.
The sound identification module also includes：Fuzzy message matching module, respectively with the sound identification module and described
Word-dividing mode is connected, and the voice messaging is carried out into clustering processing；
If the message part without identification is grouped into a certain clustering cluster, is concentrated in phonetic and match the letter similar to such cluster
Breath；
If after clustering processing, the information that can not correctly identify individually is classified as one kind, then manually rule is handled.
The specific work process of said apparatus is described below.
A kind of intelligent lawyer's expert responses method, including：
Obtain the merit information of input；
The merit information is segmented；
Keyword is extracted using TFIDF methods；
Using cosine similarity matching process, based on the keyword, by merit problem and the merit phase in corpus
Matching；
The answer of 3 higher problems of cosine similarity is taken to export；
Wherein, the corpus is established based on lawyer's history merit processing information.
Specifically, to the merit information of input, segmented first with hidden markov chain model.
Hidden markov chain model has two important set, and state value set is (B, M, E, S):{B:begin,M:
middle,E:end,S:single}.Represent each status representative respectively is position of the word in word, and B, which represents the word, is
Banner word in word, it is middle word in word that M, which is represented, and it is end word in word that E, which is represented, and it is individual character into word that S, which is then represented,.
It is exactly the information inputted that observation set, which is,.Hidden markov chain model seeks to calculate state set according to input, such as：
User inputs：Xiao Ming master graduates from the Chinese Academy of Sciences and calculates institute
The status switch exported after calculating is
BE/BE/BME/BE/BME/BE/S
According to this status switch, we can carry out cutting word:
BE/BE/BME/BE/BME/BE/S
So cutting word result is as follows:
Xiao Ming/master/graduates from/China/academy of sciences/calculating/institute
The model method need to only calculate status switch, without considering semantic information, shorten processing time, substantially increase
Segment efficiency.
After participle, then the information extraction keyword inputted using TFIDF methods to user, TFIDF methods are to select sentence
The word of the affiliated theme of sentence can be most reacted in son, such as：" Chinese bee raising ", the keyword of the sentence is " honeybee ",
Be advantageous to follow-up answer to draw.
Using word segmentation result, according to the number of word and the matching degree of problem and corpus problem, matching degree by using
Cosine similarity matching process, merit problem is matched with the merit in corpus, judges the merit complexity of user.
Such as " also what if owing money not ", because word number is few after its participle, problem is brief, can be regarded as simple merit；If
The problem of problem is with corpus matching degree reaches the threshold value of setting, such as 0.8, then may be considered simple merit.For user
The simple merit information of input, directly uses cosine similarity matching process, by the merit problem after participle and corpus
Merit carries out Similarity Measure, obtains merit problem and the Similarity value of the merit in corpus, takes cosine similarity highest 3
Answer corresponding to individual problem, returns to user, obtains result.
In the case of merit complexity
Methods described also includes：
Keywords matching is carried out using cosine similarity matching process in corpus using the keyword, obtains target
The candidate keywords of answer；
Syntactic analysis is carried out by Grammars method above and below probability, obtains candidate's sentence pattern of target answer；
By the candidate keywords according to part of speech, it is filled into candidate's sentence pattern, exports final result.
Specifically.
Information calculates, described to carry out keyword using cosine similarity matching process in corpus using the keyword
Matching, obtaining the candidate keywords of target answer includes：
Using the keyword, the Measurement of word similarity based on corpus is used in corpus, described in calculating
Whether keyword is similar to the context environmental residing for word in corpus, determines the semantic similarity of two words；
The word similar to the keywords semantics of the merit information of input is filtered out, the candidate for obtaining target answer is closed
Keyword.
I.e., for regarding as complexity the problem of, then carry out Keywords matching, using extraction input merit keyword,
The Measurement of word similarity based on corpus is utilized in corpus, i.e., by calculating the context ring residing for two words
Whether border is similar, determines the semantic similarity of two words.So merit key to the issue word justice is inputted by searching with user
Similar word, obtain the candidate keywords of target answer.
Merit information is inputted to user with upper and lower Grammars method and carries out syntactic analysis, obtains the syntactic analysis of problem
Tree, that is, obtain SVO of sentence etc..With the sentence pattern template of obtained sentence element composition declarative sentence, the time as target answer
Select sentence pattern.
The candidate keywords that will be obtained, according to part of speech, it is filled into candidate's sentence pattern, obtains multiple answering for user's selection
Case.
Further, the merit information for obtaining input includes：
Merit information is obtained using speech recognition technology；
Text message is converted speech information into, the input as merit information.
In order to optimize speech recognition, methods described also includes：Fuzzy message matches；
The voice messaging is subjected to clustering processing；
If the message part without identification is grouped into a certain clustering cluster, is concentrated in phonetic and match the letter similar to such cluster
Breath；
If after clustering processing, the information that can not correctly identify individually is classified as one kind, then manually rule is handled.
The input of user is concentrated in phonetic and searched, for caused by the reason such as clear of pronouncing indistinctly None- identified ask
Topic, using the rule-based fuzzy message matching process with cluster, fuzzy message is handled with Clustering Model first, Clustering Model
Refer to give a data set for having N number of tuple or record, disintegrating method will construct K packet, and each packet just represents one
Individual cluster.Fuzzy message is put into phonetic to concentrate, if fuzzy message part is grouped into a certain clustering cluster, in the spelling of clustering cluster
Sound, which is concentrated, matches the information similar to such cluster；It is if after clustering processing, fuzzy message is individually classified as one kind, then manually regular
Handled.
The artificial rule that the present embodiment uses is as follows：
If the part of None- identified is a part for common phrase, such as " plain sailing ", " sail " is correctly identified, and it is right
In " wind is suitable " None- identified, then using the method for association matching, all and " sail " relevant phrase is used for and fuzzy message
Matched, take matching degree highest as final phrase.
For search less than, carry out the replacement of confusing pinyin, such as " ong " and " eng " sound in phonetic is mutually replaced, then
Secondary concentrate it in phonetic is searched；
For the part of None- identified, remove tone, it is concentrated in phonetic searched again.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
The intelligent lawyer's expert system and case answering device provided in the embodiment of the present application, makes full use of lawyer's processing case
The history information of feelings, merit processing mode is generated online for user, greatly facilitates the life of people.Without considering to find
Lawyer be adapted to be not suitable for the merit of oneself, the generation of system answer do not limited by problem domain, covers various fields
Problem and answer.Speech recognition technology is added, be convenient for people to use system so that system is more intelligent.Using rule-based
With the fuzzy message matching process of cluster, the situation of in particular cases voice None- identified is efficiently solved, substantially increases and is
The fault-tolerance of system.Syntactic analysis is carried out by Grammars method above and below probability, ambiguity is eliminated, question sentence is changed, answered
The basic structure of sentence.According to the complexity of user's merit problem, using different strategies, the accuracy of system is ensure that significantly
And stability.Merit problem is segmented using hidden markov chain model, using the information of corpus, calculated next
The transition probability of word part of speech, substantially increase participle effect.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (6)
1. a kind of intelligent lawyer's expert system and case answering device, it is characterised in that including：
Data obtaining module, for obtaining merit information；
Language material library module, including：The corpus established based on lawyer's history merit processing information；
Word-dividing mode, it is connected with described information acquisition module, the merit information is segmented；
Keyword extracting module, it is connected with the acne module, keyword is extracted using TFIDF methods；
Primary matching module, it is connected respectively with the keyword extracting module and the language material library module, it is similar using cosine
Matching process is spent, based on the keyword, merit problem is matched with the merit in corpus；Take cosine similarity higher
3 problems answer output.
2. intelligent lawyer's expert system as claimed in claim 1 and case answering device, it is characterised in that described device is also wrapped
Include：
Candidate keywords screening module, it is connected with the keyword extracting module, using the keyword, is used in corpus
Cosine similarity matching process carries out Keywords matching, obtains the candidate keywords of target answer；
Sentence pattern screening module, it is connected with described information acquisition module, syntactic analysis is carried out by Grammars method above and below probability,
Obtain candidate's sentence pattern of target answer；
Output module, respectively with the candidate keywords screening module, the sentence pattern screening module and the language material library module
It is connected, by the candidate keywords according to part of speech, is filled into candidate's sentence pattern, exports final result.
3. intelligent lawyer's expert system as claimed in claim 1 and case answering device, it is characterised in that：The word-dividing mode
The merit information is segmented using hidden markov chain model.
4. intelligent lawyer's expert system as claimed in claim 2 and case answering device, it is characterised in that the keyword carries
Modulus block, using the keyword, the Measurement of word similarity based on corpus is used in corpus, calculates the pass
Whether keyword is similar to the context environmental residing for word in corpus, determines the semantic similarity of two words；
The word similar to the keywords semantics of the merit information of input is filtered out, obtains the candidate key of target answer
Word.
5. intelligent lawyer's expert system and case answering device as described in Claims 1 to 4, it is characterised in that described information
Acquisition module includes：Sound identification module, speech recognition technology is utilized to obtain merit information and change voice messaging with described
Into text message, the input as merit information.
6. intelligent lawyer's expert system as claimed in claim 5 and case answering device, it is characterised in that the speech recognition
Module also includes：Fuzzy message matching module, it is connected respectively with the sound identification module and the word-dividing mode, by institute's predicate
Message breath carries out clustering processing；
If the message part without identification is grouped into a certain clustering cluster, is concentrated in phonetic and match the information similar to such cluster；
If after clustering processing, the information that can not correctly identify individually is classified as one kind, then manually rule is handled.
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