CN105117385B - A kind of method and system that public opinion information extraction is carried out based on matrix computations - Google Patents
A kind of method and system that public opinion information extraction is carried out based on matrix computations Download PDFInfo
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Abstract
The present invention proposes a kind of method and system that public opinion information extraction is carried out based on matrix computations, and this method includes：Capture the site information of internet, information source matrix is established, wherein information source matrix includes information base type information, information base information, site information, substation point information, information source statistical information, information bank authority information, primary attribute information, the part of article field information eight；Establish participle matrix, regular matrix, described information source matrix and the weight and candidate's rank of the participle matrix and the regular matrix are obtained respectively, user inputs user's keyword, the affiliated industry of user's keyword is selected by segmenting matrix, according to the weight and candidate's level calculation comprehensive grading, to complete the analysis of public opinion.The present invention need not establish emotion dictionary, and real-time various dimensions capture data, establish information source matrix, participle matrix, regular matrix, and three matrixes are associated and reach dynamic equilibrium, the accurate word for searching user's inquiry, accuracy rate more than 95%.
Description
Technical field
The present invention relates to network public-opinion field, more particularly to a kind of public opinion information extraction is carried out based on matrix computations
Method and system.
Background technology
With the rapid development of internet in the world, the network media has been acknowledged as after newspaper, broadcast, TV
" fourth media " afterwards, network turn into one of main carriers of reflection Social Public Feelings.
Network public-opinion is that have by transmission on Internet, the public to what some focuses, focal issue in actual life were held
Stronger influence power, tendentious emotion, attitude, opinion, speech or viewpoint, its mainly by forum BBS posting comment and
Follow-up post, blog Blog etc. are realized and strengthened.Due to internet have virtual, disguised, diversity, permeability and arbitrarily
The features such as property, increasing netizen gladly expresses viewpoint, propagating thought by this channel.
Network public-opinion is one powerful public opinion strength, can react on focus incident and to social development and state of affairs process
Produce certain influence.Due to the opening of network, network public-opinion can be caused to be formed rapidly, it is huge to social influence.Particularly
When there is negative Internet news public sentiment, if can not in time understand, effectively guide, it is easy to public opinion crisis is formed, when serious
Even influence public safety.Positive neutralizing to Internet news public opinion crisis, to maintaining social stability, promoting national development to have
Important realistic meaning, and establishment harmonious society should have intension.Internet news public sentiment viewpoint is collected with suitable
Important meaning, netizen's viewpoint plays vital effect in the evolution of a focus incident, it might even be possible to is recognized
To be the core of Internet news public sentiment.
Recently, developing rapidly with Internet technology, the new media with news media etc. for representative break the control of information
System and monopolization, people's Free Surface reaches the attitude and opinion of oneself on network, no longer as the past is so easily unconditionally accepted,
On the contrary, the Interest demands of different estate are presented one after another, different thought viewpoint head-on crash.For related governmental departments, how
Awareness network news public sentiment promptly and accurately, strengthen timely monitoring, effectively guiding to Internet news public opinion, turn into Internet news
One big difficult point of public sentiment management.In this case, construction can cover the news public sentiment monitoring system in news data source very
Necessity, such system can be directed to new news media's communication environments, further further investigate the focus analysis method of news public sentiment
And the influence that new media is brought, the research of news public sentiment is carried out abundant and perfect.
Although there are many units to propose some different solutions for the monitoring of Internet news public sentiment at present.But
Be, it is necessary to those skilled in the art solve technical problem be how to improve judge Internet news public feelings information efficiency and accurately
Degree.Because so far, there has been no the network public-opinion monitoring system for more efficiently, being accurately directed to news media's data.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of side that public opinion information extraction is carried out based on matrix computations
Method and system.
The present invention proposes a kind of method that public opinion information extraction is carried out based on matrix computations, including
Step 1, the site information of internet is captured, establishes information source matrix, wherein information source matrix includes information bank class
Type information, information base information, site information, substation point information, information source statistical information, information bank authority information, primary attribute
Information, the part of article field information eight；
Step 2, participle matrix, regular matrix are established, obtains described information source matrix and the participle matrix and institute respectively
The weight and candidate's rank of regular matrix are stated, user inputs user's keyword, and user's keyword is selected by segmenting matrix
Affiliated industry, and according to the weight and candidate's level calculation comprehensive grading, to complete the analysis of public opinion.
Element of the participle matrix using the possible affiliated industry of user's keyword as the participle matrix, it is described
User by industry belonging to selection, reduces range of search, improves efficiency when inputting user's keyword.
The regular matrix includes searching the keyword for best embodying article content in website, carries out keyword mark.
The weight is obtained by below equation：
Information source weight calculation formula：Q*w*e=r, in, q scores for information source type, and w is information source website importance
Classification, e for whether top set, r is information source weight；
Segment weight calculation formula：X*y=u, in, x is the industrial characteristic expressivity of keyword, and y is the sensitivity of keyword
Degree, u are participle weight；
Regular weight calculation formula：G*h=k, in, g is the industrial characteristic expressivity of rule, and h is the Sentiment orientation of rule
Degree, k are regular weight.
The formula for calculating the comprehensive grading is：
a1*b1+…ai*bi=M
Wherein a is weight, and b is candidate's rank, and i is i-th of weight, and j is j-th candidates rank, and M is comprehensive grading.
The present invention also proposes a kind of system that public opinion information extraction is carried out based on matrix computations, including
Information source matrix module is established, for capturing the site information of internet, establishes information source matrix, wherein information source
Matrix includes information base type information, information base information, site information, substation point information, information source statistical information, information bank power
Limit information, primary attribute information, the part of article field information eight；
Participle matrix, regular matrix module are established, for establishing participle matrix, regular matrix, obtains described information respectively
The weight and candidate's rank of source matrix and the participle matrix and the regular matrix, user inputs user's keyword, by dividing
Word matrix selects the affiliated industry of user's keyword, and according to the weight and candidate's level calculation comprehensive grading,
To complete the analysis of public opinion.
Element of the participle matrix using the possible affiliated industry of user's keyword as the participle matrix, it is described
User by industry belonging to selection, reduces range of search, improves efficiency when inputting user's keyword.
The regular matrix includes searching the keyword for best embodying article content in website, carries out keyword mark.
The weight is obtained by below equation：
Information source weight calculation formula：Q*w*e=r, in, q scores for information source type, and w is information source website importance
Classification, e for whether top set, r is information source weight；
Segment weight calculation formula：X*y=u, in, x is the industrial characteristic expressivity of keyword, and y is the sensitivity of keyword
Degree, u are participle weight；
Regular weight calculation formula：G*h=k, in, g is the industrial characteristic expressivity of rule, and h is the Sentiment orientation of rule
Degree, k are regular weight.
The formula for calculating the comprehensive grading is：
a1*b1+…ai*bj=M
Wherein a is weight, and b is candidate's rank, and i is i-th of weight, and j is j-th candidates rank, and M is comprehensive grading.
Invented more than, the advantage of the invention is that：
By comprehensive grading sequence, just energy real-time and precise captures related article, improves real-time and standard that industry is vertically retrieved
True property；By the continuous study to user's use habit, comprehensive grading ranking will increasingly understand the hobby of user,
Even accomplish to become more apparent upon the demand of oneself than user, such push article, user can be allowed to only focus on his institute
The content of concern, so as to improve the utilization ratio of fragmentation time；The present invention need not establish emotion dictionary, real-time various dimensions crawl
Data, and by establishing information source matrix, participle matrix, regular matrix, and three matrixes are associated and reach dynamically flat
Weighing apparatus, can accurately search the word to be inquired about of user, rate of accuracy reached to more than 95%.
Brief description of the drawings
Fig. 1 is overview flow chart of the present invention；
Fig. 2 is information source matrix embodiment figure of the present invention；
Fig. 3 is present invention participle matrix embodiment figure；
Fig. 4 is that regular matrix of the present invention implements illustration.
Wherein reference is：
Step 101/102/103/104.
Embodiment
It is an object of the invention to provide it is a kind of based on matrix computations carry out public opinion information extraction method and system,
This method comprises the following steps, as shown in Figure 1：
Step 101, as shown in figure 1, the site information of crawl internet, establishes information source matrix, wherein information source matrix
Including information base type information, information base information, site information, substation point information, information source statistical information, information bank authority letter
Breath, primary attribute information, the part of article field information eight.
Described information storehouse type information is the division to the classification of big storehouse, to distinguish different field (such as government affairs, commercial affairs),
Storehouse type is defined by keeper, added, while definable such information base data structure, information source association attributes and dependency number
Linked according to storehouse server；
Described information storehouse information is the division classified to information source in same field, and the division in storehouse can be by the level of information source
Not, the mode classification such as big trade classification, defined, added by keeper, the access right of information source is by this classification control；
The site information refers to the website belonging to the information source to be captured, such as：Sina, Netease etc.；
The substation point information refers to the specific list page address to be captured.Middle increase substation point connects in substation point information
After being grounded location, classifications at different levels belonging to it, and configured list page, final page crawl label are set；By information processing after crawl article
Program is that article sets respective attributes automatically according to the attribute of the affiliated substation point of article；
Each website, substation point information scratching situation can be monitored in the statistical information of described information source in real time：Information is captured
Whether bar number, newest crawl time, seized condition are normal etc., and can be by editor's statistical correlation workload；
Described information storehouse authority information can control operation of the editor to each information bank, only distribute the information bank of authority
It is just visible to editor and can increase, delete, change information source；
The primary attribute information is that the various relevant rudimentary attributes of information source are safeguarded, is wrapped in primary attribute information
Include attribute type information, attribute information, information source type information；Without redeveloping or changing number when increasing information source classifying rules
According to structure, directly added in primary attribute management.
The article field information is the definition to crawl article available fields, can be from text during the data structure of configuration information storehouse
Available fields are chosen in chapter field list.
Step 102, as shown in Fig. 2 establishing participle matrix, wherein (can also be ground by industry of the keyword where possible
Domain, the i.e. upper vocabulary comprising the keyword) pass through as the element for segmenting matrix, user when inputting keyword
The affiliated industry of the keyword is selected, reduces range of search, improves efficiency；
Step 103, as shown in figure 3, establishing regular matrix, wherein searching the keyword for best embodying article content, website
In article carry out keyword mark, such as article " there is thunder shower in Beijing some areas ", wherein " Beijing ", " thunder shower " is should
The mark keyword of article；
Step 104, user inputs keyword, selects the affiliated industry of user's keyword by segmenting matrix, and calculate
The weight of each website and keyword in candidate's rank, the candidate's rank for segmenting matrix rows industry, regular matrix in information source matrix
Candidate's rank of mark, wherein weight meet：Enterprise web site 28%, industrial sustainability 22%, central office website 35%, finance and economics net
Stand 27%, local items 2%；Candidate's rank：Forwarding 0.5, collection 0.4,0.3 is thumbed up, more than 20 times 0.2 is read, reads 20 times
Below 0.1, comprehensive grading is calculated according to data above, the comprehensive grading highest article or word, for the result to be searched,
Calculate comprehensive grading formula be：
a1*b1+…ai*bj=M
Wherein a is weight, and b is candidate's rank, and i is i-th of weight, and j is j-th candidates rank, and M is comprehensive grading.
The present invention also proposes a kind of system that public opinion information extraction is carried out based on matrix computations, including
Information source matrix module is established, for capturing the site information of internet, establishes information source matrix, wherein information source
Matrix includes information base type information, information base information, site information, substation point information, information source statistical information, information bank power
Limit information, primary attribute information, the part of article field information eight；
Participle matrix, regular matrix module are established, for establishing participle matrix, regular matrix, obtains described information respectively
The weight and candidate's rank of source matrix and the participle matrix and the regular matrix, user inputs user's keyword, by dividing
Word matrix selects the affiliated industry of user's keyword, and according to the weight and candidate's level calculation comprehensive grading,
To complete the analysis of public opinion.
Element of the participle matrix using the possible affiliated industry of user's keyword as the participle matrix, it is described
User by industry belonging to selection, reduces range of search, improves efficiency when inputting user's keyword.
The regular matrix includes searching the keyword for best embodying article content in website, carries out keyword mark.
The weight is obtained by below equation：
Information source weight calculation formula：Q*w*e=r
Wherein, q be information source type scoring, w be information source website importance be classified, e be whether top set.
For example q is news website, 10 points are set to；W is national emphasis portal website (Sina), is 10 points；E is website
Top news, top set, 10 points.
Segment weight calculation formula：X*y=u
Wherein, x is the industrial characteristic expressivity of keyword, and y is the susceptibility of keyword.
For example nuclear radiation is 5 in the feature representation degree of environmental protection industry (epi), gasoline is 1 in the feature representation degree of environmental protection industry (epi), core
The susceptibility of radiation can be very high, and gasoline is then than relatively low.
Regular weight calculation formula：G*h=k
Wherein, g is the industrial characteristic expressivity of rule, and h is the Sentiment orientation degree of rule.
The formula for calculating the comprehensive grading is：
a1*b1+…ai*bj=M
Wherein a is weight, and b is candidate's rank, and i is i-th of weight, and j is j-th candidates rank, and M is comprehensive grading.
Claims (6)
- A kind of 1. method that public opinion information extraction is carried out based on matrix computations, it is characterised in that including：Step 1, the site information of internet is captured, establishes information source matrix, wherein information source matrix is believed including information base type Breath, information base information, site information, substation point information, information source statistical information, information bank authority information, primary attribute information, The part of article field information eight；Step 2, participle matrix, regular matrix are established, obtains described information source matrix and the participle matrix and the rule respectively Then the weight of matrix and candidate's rank, user input user's keyword, and the institute of user's keyword is selected by segmenting matrix Belong to industry, and according to the weight and candidate's level calculation comprehensive grading, to complete the analysis of public opinion；Wherein, the regular matrix includes, and searches the keyword that article content is best embodied in website, carries out keyword mark；And the weight is obtained by below equation：Information source weight calculation formula：Q*w*e=r, wherein q score for information source type, and w is information source website importance point Level, e for whether top set, r is information source weight；Segment weight calculation formula：X*y=u, wherein x be keyword industrial characteristic expressivity, y be keyword susceptibility, u To segment weight；Regular weight calculation formula：G*h=k, wherein g are the industrial characteristic expressivity of rule, and h is the Sentiment orientation journey of rule Degree, k is regular weight.
- A kind of 2. method that public opinion information extraction is carried out based on matrix computations as claimed in claim 1, it is characterised in that The participle matrix is using the possible affiliated industry of user's keyword as the element of the participle matrix, and the user is defeated When entering user's keyword, by industry belonging to selection, range of search is reduced, improves efficiency.
- A kind of 3. method that public opinion information extraction is carried out based on matrix computations as claimed in claim 1, it is characterised in that The formula for calculating the comprehensive grading is：a1*b1+…ai*bj=MWherein a is weight, and b is candidate's rank, and i is i-th of weight, and j is j-th candidates rank, and M is comprehensive grading.
- A kind of 4. system that public opinion information extraction is carried out based on matrix computations, it is characterised in that including：Information source matrix module is established, for capturing the site information of internet, establishes information source matrix, wherein information source matrix Including information base type information, information base information, site information, substation point information, information source statistical information, information bank authority letter Breath, primary attribute information, the part of article field information eight；Participle matrix, regular matrix module are established, for establishing participle matrix, regular matrix, obtains described information source square respectively Battle array and the weight and candidate's rank of the participle matrix and the regular matrix, user inputs user's keyword, by segmenting square Battle array selects the affiliated industry of user's keyword, and according to the weight and candidate's level calculation comprehensive grading, with complete Into the analysis of public opinion；Wherein described regular matrix includes, and searches the keyword that article content is best embodied in website, carries out keyword mark, and The weight is obtained by below equation：Information source weight calculation formula：Q*w*e=r, wherein q score for information source type, and w is information source website importance point Level, e for whether top set, r is information source weight；Segment weight calculation formula：X*y=u, wherein x be keyword industrial characteristic expressivity, y be keyword susceptibility, u To segment weight；Regular weight calculation formula：G*h=k, wherein g are the industrial characteristic expressivity of rule, and h is the Sentiment orientation journey of rule Degree, k is regular weight.
- A kind of 5. system that public opinion information extraction is carried out based on matrix computations as claimed in claim 4, it is characterised in that The participle matrix is using the possible affiliated industry of user's keyword as the element of the participle matrix, and the user is defeated When entering user's keyword, by industry belonging to selection, range of search is reduced, improves efficiency.
- A kind of 6. system that public opinion information extraction is carried out based on matrix computations as claimed in claim 4, it is characterised in that The formula for calculating the comprehensive grading is：a1*b1+…ai*bj=MWherein a is weight, and b is candidate's rank, and i is i-th of weight, and j is j-th candidates rank, and M is comprehensive grading.
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