CN104765833B - A kind of generation method and device of word association table - Google Patents
A kind of generation method and device of word association table Download PDFInfo
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- CN104765833B CN104765833B CN201510174138.8A CN201510174138A CN104765833B CN 104765833 B CN104765833 B CN 104765833B CN 201510174138 A CN201510174138 A CN 201510174138A CN 104765833 B CN104765833 B CN 104765833B
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Abstract
The invention discloses a kind of generation method and device of word association table, to the purpose realized the memory space that economizes on resources, improve retrieval rate.The generation method of the word association table includes：The mark of multiple words is chosen from a plurality of data asset information of dictionary data table；For each two word in the multiple word, two words are searched in word association table and identify whether to exist；If being not present, the association depth value of initial two words is stored to initial value, and using the mark of two words and association depth value as the data item of word association table.
Description
Technical field
The present invention relates to technical field of data processing, the more particularly to a kind of generation method and device of word association table.
Background technology
With the rapid development of information technology, today's society enters the information explosion epoch, people more and more by
Network come find oneself needs information, therefore, retrieval become people work, an indispensable part of living.
People are retrieved usually using search engine, and search engine refers to according to certain strategy, with specific
Computer program collects information from internet, after tissue and processing are carried out to information, provides retrieval service to the user, will be with
The system that the relevant information of user search shows user.
In the prior art, search engine directly can store the information content in itself when carrying out tissue and processing to information, with
For place, if place is Beijing, word Beijing is preserved in Locality field, needs a large amount of memory space in this way, and
And when subsequently providing retrieval service, retrieval rate is slower.
Invention content
The present invention provides a kind of generation method and device of word association table, to realize the memory space that economizes on resources, carry
The purpose of high retrieval rate.
The present invention provides a kind of generation method of word association table, including：
The mark of multiple words is chosen from a plurality of data asset information of dictionary data table；
For each two word in the multiple word, two words are searched in word association table and identify whether to exist；
If being not present, the association depth value of initial two words is to initial value, and by the mark of two words and pass
Connection depth value is stored as the data item of word association table.
In an embodiment of the present invention, each two word in the multiple word, is searched in word association table
Two words identify whether to exist after, further include：
If in the presence of the association depth value of two words is added the first default value.
In an embodiment of the present invention, the pieces of data resource information in a plurality of data asset information is provided including data
Source publisher, data resource issuing time, the attribute of data resource, personage, place in data resource, mechanism, data resource
Keyword in it is one or more, every terms of information is with the mark in its each comfortable dictionary sheet in the pieces of data resource information
Form be stored in the dictionary data table.
In an embodiment of the present invention, the method further includes：
For each data item in the word association table, when checking that current time is apart from initial storage with predetermined period
It whether carves beyond specified duration；
If so, the corresponding association depth value of the data item is subtracted into the second default value.
In an embodiment of the present invention, the method further includes：
For each data item in the word association table, when the corresponding association depth value of the data item is specified numerical value
When, delete the data item.
The present invention also provides a kind of generating means of word association table, including：
Module is chosen, for choosing the mark of multiple words from a plurality of data asset information of dictionary data table；
Searching module, for for each two word in the multiple word, two words to be searched in word association table
Identify whether exist；
Processing module does not search the mark of two words for the searching module in word association table, then initially should
The association depth value of two words using the mark of two words and is associated with number of the depth value as word association table to initial value
It is stored according to item.
In an embodiment of the present invention, the processing module is additionally operable to：
It is if the searching module finds the mark of two words in word association table, the association of two words is deep
Angle value adds the first default value.
In an embodiment of the present invention, the pieces of data resource information in a plurality of data asset information is provided including data
Source publisher, data resource issuing time, the attribute of data resource, personage, place in data resource, mechanism, data resource
Keyword in it is one or more, every terms of information is with the mark in its each comfortable dictionary sheet in the pieces of data resource information
Form be stored in the dictionary data table.
In an embodiment of the present invention, described device further includes：
Check module, for for each data item in the word association table, with predetermined period check current time away from
From the initial storage moment whether beyond specified duration；
The processing module, if being additionally operable to the inspection module check current time apart from the initial storage moment beyond finger
Timing is long, then the corresponding association depth value of the data item is subtracted the second default value.
In an embodiment of the present invention, described device further includes：
Removing module, for for each data item in the word association table, when the corresponding association depth of the data item
When being worth for specified numerical value, the data item is deleted.
Some advantageous effects of the embodiment of the present invention can include：
In the embodiment of the present invention, the mark of multiple words is chosen from a plurality of data asset information of dictionary data table, for
Each two word in multiple words searches two words in word association table and identifies whether to exist, if being not present, initially should
The association depth value of two words using the mark of two words and is associated with number of the depth value as word association table to initial value
It is stored according to item.If in the presence of the association depth value of two words is added the first default value.The present invention is in word as a result,
The mark of word is stored in language contingency table, middle storage word in itself, has saved resource memory space compared with the prior art.Further,
The present invention searches two words in word association table and identifies whether to exist, and compared with the prior art middle lookup word in itself, can
It improves and searches speed.In addition, the present invention stores the mark of each two word and association depth value in word association table, in case after
Continuous search uses.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is applied together for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the flow chart of the generation method of word association table in one embodiment of the invention；
Fig. 2 is the texture field schematic diagram of dictionary sheet that one embodiment of the invention provides；
Fig. 3 is the texture field schematic diagram of dictionary data table that one embodiment of the invention provides；
Fig. 4 is the texture field schematic diagram of word association table that one embodiment of the invention provides；
Fig. 5 is the structure diagram of the generating means of word association table in one embodiment of the invention；
Fig. 6 is the structure diagram of the generating means of word association table in another embodiment of the present invention；And
Fig. 7 is the structure diagram of the generating means of word association table in further embodiment of this invention.
Specific embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that preferred reality described herein
It applies example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Fig. 1 show the flow chart of the generation method of word association table in one embodiment of the invention, and this method includes following
Step S11-S13：
Step S11 chooses the mark of multiple words from a plurality of data asset information of dictionary data table.
In this step, the pieces of data resource information in a plurality of data asset information includes data resource publisher, number
According to resource issuing time, the attribute of data resource, personage, place in data resource, mechanism, in the keyword of data resource
One or more, every terms of information is stored in the form of the mark in its each comfortable dictionary sheet in the pieces of data resource information
In the dictionary data table.
Step S12 for each two word in multiple words, two words is searched in word association table and identify whether to deposit
.
Step S13, if being not present, the association depth value of initial two words is to initial value, and the mark of two words
And association depth value is stored as the data item of word association table.
In this step, such as initial value takes 0, can also take other numerical value certainly.
In step s 12, for each two word in multiple words, the mark of two words is searched in word association table is
After no presence, if in the presence of the association depth value of two words is added the first default value.
In this step, such as the first default value takes 1 or 2, can also take other numerical value certainly.
In the embodiment of the present invention, the mark of multiple words is chosen from a plurality of data asset information of dictionary data table, for
Each two word in multiple words searches two words in word association table and identifies whether to exist, if being not present, initially should
The association depth value of two words using the mark of two words and is associated with number of the depth value as word association table to initial value
It is stored according to item.If in the presence of the association depth value of two words is added the first default value.The present invention is in word as a result,
The mark of word is stored in language contingency table, middle storage word in itself, has saved resource memory space compared with the prior art.Further,
The present invention searches two words in word association table and identifies whether to exist, and compared with the prior art middle lookup word in itself, can
It improves and searches speed.In addition, the present invention stores the mark of each two word and association depth value in word association table, in case after
Continuous search uses.
The dictionary sheet referred in the embodiment of the present invention, in data item in addition to can include word in itself, the mark of word and
Outside these fields of the hash values of word, the corresponding document properties of word, such as in television programme data, the corresponding text of word can also be included
Shelves attribute includes the corresponding channel of word, column etc..Here, dictionary sheet can be expressed as tixmain_data_term, certainly, this
Place is only illustrative, and is not intended to limit the present invention.The texture field of the dictionary sheet of one embodiment of the invention offer is provided
Schematic diagram, in Fig. 2, termid represents the mark of word, and termkey represents the hash values of word, and termvalue represents word in itself,
Termprop represents the corresponding document properties of word, and updated represents the renewal time of word.
Further, in dictionary sheet word hash values, can be word MD5 (Message Digest Algorithm, message
Digest algorithm the 5th edition) value, it can such as intercept first 16 of MD5 values；It can also be SHA1 (the Secure Hash of word
Algorithm, Secure Hash Algorithm) value；The hash values of word can also be calculated by other algorithms, the present invention is not limited thereto.
A plurality of data asset information, pieces of data resource letter are stored in the dictionary data table referred in above step S11
Breath includes data resource publisher, data resource issuing time, the attribute of data resource, personage, place in data resource, machine
Structure, one or more in the keyword of data resource, every terms of information is with its each comfortable word in the pieces of data resource information
The form of mark in allusion quotation table is stored in dictionary data table.The dictionary data of one embodiment of the invention offer is provided
The texture field schematic diagram of table, in Fig. 3, id represents the mark of the data resource information, and published represents data resource hair
Cloth time, f2t_props represent the attribute of data resource, and t2f_t_uid represents data resource publisher, and t2n_nr represents people
Object, t2n_ns represent place, t2n_nt outgoing mechanisms, and t2t_t_terms represents the keyword of data resource.
The mark of two words and association depth value are deposited as the data item of word association table in step S13
Storage, the data item of word association table can record the word association in given number of days.Here, word association table can represent
For Tzn_nr_d1, the ID (mark) of associated two words, ID sources are had recorded including two field rel and weight, rel
In dictionary sheet, shaped like ID.ID, two mark ID are separated with " ", and weight has recorded the association depth of two words, if rel two
A mark ID is existing, then is associated with depth value plus the first default value (such as 1 or 2).
In another preferred embodiment of the present invention, rel create-rules are：The ID of first word comes from number in dictionary data table
According to the keyword of resource, personage, place or the mechanism of the ID of second word in the data resource in dictionary data table.Example
Such as, after editorial staff pushes new document or data resource, by rel relationship map values, if rel values exist, by its weight
Add 1.The texture field schematic diagram of the word association table of one embodiment of the invention offer is provided, it, should in Fig. 4
Tixmain_t2n_nr_d1 tables are the word association table of nearest one day personage, and d1 represents intraday word association, can be with
There are d3 (in 3 days) table, d7 (in 7 days) tables or d30 (in 30 days) table etc..The ID of first word comes from dictionary data table in rel
The keyword of middle data resource, personage (or place, the machine of the ID of second word in the data resource in dictionary data table
Structure, attribute etc.) ID values.In weight fields, after editorial staff pushes new document or data resource is come in, reflected by rel relationships
Value is penetrated, if rel values add 1 there are 100816.100799, by its weight.
In another preferred embodiment of the present invention, if in new data asset information storage to dictionary data table, it can be from word
Successively according to (keyword, personage, place, mechanism, attribute) ID, combination producing rel, create-rule institute for example above in allusion quotation tables of data
It states, i.e., the mark of multiple words is chosen from new data asset information, for each two word in multiple words, searches two words
Mark rel whether there is, if so, the association depth value of two words is added the first default value.
In another preferred embodiment of the present invention, for each data item in word association table, worked as with predetermined period inspection
Whether the preceding moment exceeds specified duration apart from the initial storage moment, if so, the corresponding association depth value of the data item is subtracted
Remove the second default value.Further, for each data item in word association table, when the corresponding association depth value of the data item is
During specified numerical value (such as 0 value or other numerical value), the data item is deleted.For example, scheduling script cyclic check all properties table d1,
Data item whether respectively corresponding more than 24,72,168 hours in d3, d7, if it does, its weight is subtracted 1, when being kept to 0
When delete data item in the attribute list.In another example the record in Tzn_nr_d1, it can be with newly-increased, the mapping pass of data resource
It is the record to identical rel values, weight adds 1.When obtaining hot word in one day, descending arrangement is done according to weight values, from
And it gets the highest hot word of weights and comes front.After one day, weights can subtract 1, when being kept to 0, be deleted from word association table
Except the data item.
In addition, a table is excessive in order to prevent, cause to inquire or store it is inconvenient, dictionary sheet in the embodiment of the present invention,
Dictionary data table or word association table are that can be made of multiple tables, these tables meet Hash and are uniformly distributed.
After word association table described above is obtained, which can apply in subsequent lookup or storage
In the work of data resource.For example, user requires to look up " Beijing " associated associated mechanisms resource, then dictionary sheet is arrived first
Pekinese ID (mark) is searched in tixmain_data_term, i.e., first calculates Pekinese's hash values, is found according to the hash values
Pekinese ID.Then arriving word association table Tzn_nt_d1, (here, which is associated therewith table, and is converged for nearest nature's mystery word-building
Associated data can also have d3 and d7 and personage, place, attribute) according to Pekinese ID search with the associated word in Beijing,
And then related resource is searched for according to Beijing and its associated word.Such as, it is 10001 that Pekinese ID is found from dictionary sheet, is arrived
All records that rel is 10001.* are searched in Tzn_nt_d1, are sorted by weighted value, the ID of n mechanism word before taking, by the ID of word
It is searched into dictionary sheet, obtains mechanism vocabulary title, provided according to mechanism vocabulary title retrieval to get to the associated mechanism in Beijing
Source.
Corresponding to the generation method of the word association table in above-described embodiment, the present invention also provides a kind of word association tables
Generating means.The structure diagram of the generating means of word association table in one embodiment of the invention is illustrated in figure 5, including：
Module 51 is chosen, for choosing the mark of multiple words from a plurality of data asset information of dictionary data table；
Searching module 52, for for each two word in multiple words, the mark of two words to be searched in word association table
Knowledge whether there is；
Processing module 53 does not search the mark of two words for searching module 52 in word association table, then initially should
The association depth value of two words using the mark of two words and is associated with number of the depth value as word association table to initial value
It is stored according to item.
In an embodiment of the present invention, above-mentioned processing module 53 is additionally operable to：
If searching module 52 finds the mark of two words in word association table, by the association depth of two words
Value is plus the first default value.
In an embodiment of the present invention, the pieces of data resource information in a plurality of data asset information is sent out including data resource
Cloth person, data resource issuing time, the attribute of data resource, personage, place in data resource, mechanism, the pass of data resource
One or more in keyword, every terms of information is deposited in the form of the mark in its each comfortable dictionary sheet in pieces of data resource information
Storage is in dictionary data table.
In an embodiment of the present invention, as shown in fig. 6, the device of Fig. 5 displayings can also include：
Module 61 is checked, for for each data item in word association table, current time distance to be checked with predetermined period
Whether the initial storage moment is beyond specified duration；
Here it is possible to determine whether according to the field published in dictionary data table beyond specified duration.
Above-mentioned processing module 53, if being additionally operable to check module check current time apart from the initial storage moment beyond specified
The corresponding association depth value of the data item is then subtracted the second default value by duration.
In an embodiment of the present invention, as shown in fig. 7, the device of Fig. 6 displayings can also include：
Removing module 71, for for each data item in word association table, when the corresponding association depth value of the data item
During for specified numerical value, the data item is deleted.
The above device of the embodiment of the present invention：In the embodiment of the present invention, from a plurality of data asset information of dictionary data table
The middle mark for choosing multiple words, for each two word in multiple words, the mark of two words is searched in word association table is
No presence, if being not present, the association depth value of initial two words is to initial value, and by the mark of two words and association
Depth value is stored as the data item of word association table.If in the presence of the association depth value of two words is added first
Default value.The present invention stores the mark of word in word association table as a result, and middle storage word in itself, saves compared with the prior art
About resource memory space.Further, the present invention searches in word association table two words and identifies whether to exist, compared to existing
Have in technology and search word in itself, lookup speed can be improved.In addition, the present invention stores the mark of each two word in word association table
Know and be associated with depth value, in case subsequent searches use.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the present invention
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the present invention
The shape of computer program product that usable storage medium is implemented on (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of generation method of word association table, which is characterized in that including：
The mark of multiple words is chosen from a plurality of data asset information of dictionary data table；
For each two word in the multiple word, two words are searched in word association table and identify whether to exist；
If being not present, the association depth value of initial two words by the mark of two words and is associated with deep to initial value
Angle value is stored as the data item of word association table；
For each data item in the word association table, check that current time is apart from the initial storage moment with predetermined period
It is no to exceed specified duration；
If so, the corresponding association depth value of the data item is subtracted into the second default value.
2. according to the method described in claim 1, it is characterized in that, each two word in the multiple word, in word
Searched in language contingency table two words identify whether to exist after, further include：
If in the presence of the association depth value of two words is added the first default value.
3. method according to claim 1 or 2, which is characterized in that the pieces of data in a plurality of data asset information
Resource information includes data resource publisher, data resource issuing time, the attribute of data resource, personage in data resource,
Place, mechanism, one or more in the keyword of data resource, every terms of information is each with it in the pieces of data resource information
The form of mark in comfortable dictionary sheet is stored in the dictionary data table.
4. it according to the method described in claim 1, it is characterized in that, further includes：
For each data item in the word association table, when the corresponding association depth value of the data item is specified numerical value, delete
Except the data item.
5. a kind of generating means of word association table, which is characterized in that including：
Module is chosen, for choosing the mark of multiple words from a plurality of data asset information of dictionary data table；
Searching module, for for each two word in the multiple word, the mark of two words to be searched in word association table
It whether there is；
Processing module does not search the mark of two words for the searching module in word association table, then this two initial
The association depth value of word using the mark of two words and is associated with data item of the depth value as word association table to initial value
It is stored；
Module is checked, for for each data item in the word association table, current time distance to be checked just with predetermined period
Whether the storage moment of beginning is beyond specified duration；
The processing module, if being additionally operable to the inspection module check current time apart from when exceeding specified at the initial storage moment
It is long, then the corresponding association depth value of the data item is subtracted into the second default value.
6. device according to claim 5, which is characterized in that the processing module is additionally operable to：
If the searching module finds the mark of two words in word association table, by the association depth value of two words
In addition the first default value.
7. device according to claim 5 or 6, which is characterized in that the pieces of data in a plurality of data asset information
Resource information includes data resource publisher, data resource issuing time, the attribute of data resource, personage in data resource,
Place, mechanism, one or more in the keyword of data resource, every terms of information is each with it in the pieces of data resource information
The form of mark in comfortable dictionary sheet is stored in the dictionary data table.
8. device according to claim 5, which is characterized in that further include：
Removing module, for for each data item in the word association table, when the corresponding association depth value of the data item is
During specified numerical value, the data item is deleted.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561818A (en) * | 2009-05-13 | 2009-10-21 | 北京用友移动商务科技有限公司 | Method for word segmentation processing and method for full-text retrieval |
| CN103631909A (en) * | 2013-11-26 | 2014-03-12 | 烽火通信科技股份有限公司 | System and method for combined processing of large-scale structured and unstructured data |
| CN103914487A (en) * | 2013-01-08 | 2014-07-09 | 邓寅生 | Document collection, identification and association system |
| CN104462396A (en) * | 2014-12-10 | 2015-03-25 | 北京国双科技有限公司 | Method and device for handing character strings |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8611676B2 (en) * | 2005-07-26 | 2013-12-17 | Sony Corporation | Information processing apparatus, feature extraction method, recording media, and program |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561818A (en) * | 2009-05-13 | 2009-10-21 | 北京用友移动商务科技有限公司 | Method for word segmentation processing and method for full-text retrieval |
| CN103914487A (en) * | 2013-01-08 | 2014-07-09 | 邓寅生 | Document collection, identification and association system |
| CN103631909A (en) * | 2013-11-26 | 2014-03-12 | 烽火通信科技股份有限公司 | System and method for combined processing of large-scale structured and unstructured data |
| CN104462396A (en) * | 2014-12-10 | 2015-03-25 | 北京国双科技有限公司 | Method and device for handing character strings |
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