CN109408749A - URL generation method and system based on TF-IDF - Google Patents
URL generation method and system based on TF-IDF Download PDFInfo
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- CN109408749A CN109408749A CN201811242424.3A CN201811242424A CN109408749A CN 109408749 A CN109408749 A CN 109408749A CN 201811242424 A CN201811242424 A CN 201811242424A CN 109408749 A CN109408749 A CN 109408749A
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Abstract
The invention discloses a kind of URL generation method and system based on TF-IDF, wherein method includes: and carries out word segmentation processing to the initial data text of webpage to obtain basic word；Calculate the TF value and IDF value of each basic word；The TF-IDF value of the basic word is obtained according to the TF value of the basic word and IDF value；URL is generated in conjunction with unique index according to the corresponding word of the TF-IDF value.The present invention optimizes a large amount of URL for Foreign trade electronic commerce platform needs, and manual work single optimization can not be relied on, the more specific keyword automatically generated is provided as URL for the commodity of Foreign trade electronic commerce platform, to improve in the rank order using search engine to commercial articles searching, product exposure is improved, e-commerce platform search engine nature amount of access is improved.
Description
Technical field
The present invention relates to a kind of network communication technology field more particularly to a kind of URL generation method based on TF-IDF and
System.
Background technique
In foreign trade e-commerce field, the very important free flow Acquisition channel of one of Foreign trade electronic commerce platform is just
It is search engine, such as Google, Bing, Yahoo etc..And free flow is obtained in mainstream search engine, it is most important
Mode is exactly that (search engine optimization refers to by carrying out stand interior optimization and recovery technique (website Web structure tune to website SEO
Whole, web site contents construction, network site code optimization and coding etc.) and the outer optimization in station, to improve the website keyword ranking of website
And the exposure of Products).The URL of webpage has specific display location in the search results pages of search engine, to promotion
Clicking rate has important role.Using the present invention, then can be tediously long to avoid URL or webpage meaning cannot be stated, by optimization
URL to promoted search engine amount of access be very helpful.
At present many Foreign trade electronic commerce platforms in terms of handle URL all using it is some it is simple and crude by the way of, such as
Directly it is extracted the title of commodity；Use database unique index；Use several special field splicings of database etc..It is this
URL cannot perhaps indicate the true content or excessively tediously long of webpage.Search engine result of page searching bandwagon effect not
Ideal may cause the loss of e-commerce platform amount of access, and What is more affects grading of the search engine to the page, thus shadow
Ring the acquisition of free access amount.Foreign trade electronic commerce platform needs optimize a large amount of URL simultaneously, can not rely on manual work
Single optimization, Given this present invention improves existing URL generation method and system.
Summary of the invention
The invention proposes a kind of URL generation method and system based on TF-IDF, for Foreign trade electronic commerce platform
Commodity provide more specific keyword as URL and improve and produce to improve in the rank order using search engine to commercial articles searching
Product exposure improves e-commerce platform search engine nature amount of access.
Technical solution of the present invention is as follows, proposes a kind of URL generation method based on TF-IDF, described based on TF-IDF's
URL generation method includes:
Word segmentation processing is carried out to the initial data text of webpage and obtains basic word；
Calculate the TF value and IDF value of each basic word；
The TF-IDF value of the basic word is obtained according to the TF value of the basic word and IDF value；
URL is generated in conjunction with unique index according to the corresponding word of the TF-IDF value.
Preferably, the initial data text includes that the title of the webpage commodity, the description webpage exterior of commodity are thin
In the text of section, the text of the description webpage commodity function effect, the description webpage commodity favorable comment and the text of recommendation
It is at least one.
Preferably, the initial data text to webpage carries out word segmentation processing and obtains basic word specifically: will be described
Initial data text carries out word segmentation processing, and the initial data text is reduced into basic word, and by the basic word with stop
Only dictionary compares, and excludes stop word.
Preferably, the unique index be generation is set URL described in after the corresponding word of TF-IDF value, under
A string connect with the word of crossing are mutual between different url by any letter, symbol and the digital indexes formed, the index
It is not identical.
Preferably, the URL format is:
https://{domain}/{keywords}_{uniqueParameter}.html
Wherein the domain is business platform domain name, and the keywords is corresponding to be filtered out according to TF-IDF value
Word, the uniqueParameter are the unique index.
To achieve the above object, the present invention provides a kind of URL generation system based on TF-IDF, which includes:
Word segmentation module: word segmentation processing is carried out for the initial data text to webpage and obtains basic word；
TF-IDF value computing module: it for calculating the TF value and IDF value of each basic word, and ultimately generates each
The TF-IDF value of a basic word；
URL generation module: for generating URL in conjunction with unique index according to the corresponding word of the TF-IDF value.
Preferably, the system also includes:
Document collection module: for collecting the title that initial data text includes the webpage commodity, the description webpage
Text, the description webpage commodity favorable comment and the recommendation that text, the description webpage commodity function of exterior of commodity details act on
At least one of text；
Document library module: for collecting other commodity webpages for summarizing Foreign trade electronic commerce platform place field by participle
The text of screening.
Preferably, the word segmentation module is used for: the initial data text being carried out word segmentation processing, by the initial data
Text is reduced into basic word, and the basic word is compareed with dictionary is stopped, and excludes stop word.
Preferably, the word segmentation module is used for: the initial data text being carried out word segmentation processing, the initial data
Text is reduced into basic word, and the basic word is compareed with dictionary is stopped, and excludes stop word.
Preferably, unique index used in the URL generation module be generation is set URL described in TF-IDF
After being worth corresponding word, a string of indexes being made of any letter, symbol and number being connect with underscore with the word, the rope
Draw different between different url.
Preferably, webpage of the URL generation module for the commodity of generation, the URL format of the webpage is https: //
{ domain }/{ keywords } _ { uniqueParameter } .html, wherein the domain is Foreign trade electronic commerce platform domain
Name, the keywords be the corresponding word filtered out according to TF-IDF value, the uniqueParameter for it is described only
One index.
According to another aspect of the invention, provide a kind of calculating equipment, comprising: processor, memory, communication interface and
Communication bus, the processor, the memory and the communication interface complete mutual communication by the communication bus；
For the memory for storing an at least executable instruction, it is above-mentioned that the executable instruction executes the processor
The corresponding operation of URL generation method based on TF-IDF.
In accordance with a further aspect of the present invention, provide a kind of computer storage medium, be stored in the storage medium to
A few executable instruction, the executable instruction execute processor as the above-mentioned URL generation method based on TF-IDF is corresponding
Operation.
Technical solution of the present invention, for existing a large amount of tediously long on Foreign trade electronic commerce platform or cannot clearly state net
Page meaning URL is optimized, and the statistical method calculated by TF-IDF, commodity feature can be represented by choosing from commodity webpage automatically
Keyword, and automatically generate the completely new address URL with the web index of Foreign trade electronic commerce platform, keep URL specific
It indicates the true content of webpage, and then improves the exposure of commodity webpage when user is searched for using search engine, improve foreign trade electricity
The grading of sub- business platform amount of access and search engine to webpage.
Detailed description of the invention
Fig. 1 is the implementation steps schematic diagram of the URL generation method of the present invention based on TF-IDF；
Fig. 2 is that the URL of the present invention based on TF-IDF generates system module schematic diagram；
Fig. 3 shows a kind of structural schematic diagram for calculating equipment according to an embodiment of the present invention.
Specific embodiment
In order to be better understood by the purpose of the present invention, structure and function, with reference to the accompanying drawing, one kind of the invention is based on
The URL generation method and system of TF-IDF does further detailed description.
As shown in Figure 1, a kind of its URL generation method based on TF-IDF for being shown as the embodiment of the present invention, this method comprises:
Step S1 obtains initial data text from the webpage for need to generate URL, such as: the title of webpage commodity, description
The text of webpage exterior of commodity details, the text of description webpage commodity function effect, describes the text of webpage commodity favorable comment and recommendation
This etc..
The text put in order from the webpage for need to generate URL progress word segmentation processing is obtained basic word by step S2.
The word extracted is extracted into stem, excludes a by stopping dictionary (stop word list), the, or etc. make
With frequency many word or word, it is finally reduced into most basic word and unified upper and lower case letter.
Stop dictionary having widely existed in the resource of internet, can be obtained by downloading, content is mainly wrapped
Include a, the not no physical meaning of many words of the frequency of use such as the, or or word and various articles, preposition, adverbial word or conjunction etc.
Word.
Each word for carrying out word segmentation processing is calculated TF value i.e. word frequency (Term Frequency), each word by step S3
TF value means the frequency that each word occurs in this document, and the higher explanation word of a word frequency of occurrences is in this product web page
Interior importance is higher.
Each word for carrying out word segmentation processing is passed through the i.e. reverse document-frequency of document library comparing calculation IDF value by step S4
(Inverse Document Frequency).Mean each word in text library by screening each word IDF value being calculated
The frequency of appearance, the frequency that a word occurs is smaller, and the distinctness spy of its place web page product can be embodied by illustrating the word more
Point.
Document library is the text segmented by other commodity webpages according to field where Foreign trade electronic commerce platform by screening
This composition, these commodity webpages for being converted into text should include e-commerce platform itself commodity webpage, and main competition
The commodity webpage of opponent.Paper sample in the document library is abundanter, and the IDF value being calculated is also more accurate, filters out
Word just can more embody the characteristics of commodity.
Step S5 obtains the high vocabulary of TF-IDF value ranking by calculating the product of each word TF value and IDF value.These are high
The word of TF-IDF value means that this word in the importance of affiliated commodity, also can mutually be distinguished with other commodity, can more embody affiliated
The characteristics of commodity.
Step S6 is that uniquely, can differentiate with other commodity webpages, the high TF- that will be filtered out to guarantee to generate URL
The word of IDF value combines with the index codes for being used to identify the webpage uniqueness and generates unique URL, and the URL ultimately generated can
Can be following format:
https://{domain}/{keywords}_{uniqueParameter}.html
Wherein the domain is Foreign trade electronic commerce platform domain name, and the keywords is the high TF-IDF value of 1~3 word
Word, the uniqueParameter be the unique index.
When screening the word of high TF-IDF value, the length for considering URL is needed, also in order to guarantee that final URL's is of length no more than
The length of the displaying length of search results pages, the word of the high TF-IDF value filtered out will be maintained within the scope of preset length.Most
Throughout one's life at URL in, use underscore or strigula to replace space.
By this URL generation method based on TF-IDF, Foreign trade electronic commerce platform can be according to in commodity webpage
The text information of the analysis of text information and the similar commodity of other businessmans is compared calculating, and generating one more has generation
The keyword of table is added with passing through by any letter, symbol and the randomly ordered unique rope formed of number to make URL
Draw and combine, generates URL jointly.Such URL had not only had the distinct characteristic of commodity, but also was not in repeat to address (RA), passed through
Unique index controls URL length, while guaranteeing that URL is not in redundancy.The URL that this method generates can intuitively cause
The attention of buyer attracts user to click access, while also having catered to the specification of search engine, and search engine pair can be improved
The grading of webpage improves in the rank order using search engine to commercial articles searching, improves Page Impression degree.
As shown in Fig. 2, a kind of system of the URL generation method based on TF-IDF, including document collection module, segment mould
Block, document library module, TF-IDF value computing module, URL generation module.
Wherein, document collection module is used for: collecting initial data text includes the title of the webpage commodity, described in description
The text of webpage exterior of commodity details, the text of the description webpage commodity function effect, the description webpage commodity favorable comment and
The text of recommendation.
Word segmentation module is used for: the initial data text being carried out word segmentation processing, the initial data text is reduced into
Basic word, and the basic word is compareed with dictionary is stopped, excluding stop word.
Document library module is used for: the automatic commodity webpage for collecting Foreign trade electronic commerce platform place field is received by document
Collect module and word segmentation module treated text, these commodity webpages for being converted into text should include e-commerce platform itself
The commodity webpage of commodity webpage and chief competitor.
TF-IDF value computing module is used for: first being calculated the TF value of the basic word, then is calculated the IDF of the basic word
Value obtains TF-IDF value by the product of TF value and IDF value, and by each basic word according to TF-IDF value by up to
Low sequence.
URL generation module is used for: the high word of TF-IDF value ranking being generated URL in conjunction with unique index code, most throughout one's life
At URL may be following format:
https://{domain}/{keywords}_{uniqueParameter}.html
Wherein the domain is Foreign trade electronic commerce platform domain name, and the keywords is the high TF-IDF value of 1~3 word
Word, the uniqueParameter be the unique index.
System is generated by this URL based on TF-IDF, can be convenient efficiently one more representational pass of generation
The URL of keyword composition, is suitble to a large amount of commodity webpage to carry out calculating generation, can be significantly reduced manual work, while will meter
The URL that obtained keyword and unique index generate can be embodied with commodity distinct characteristic and URL it is unique
Property, while the URL of this method generation can intuitively cause the attention of buyer, and user is attracted to click access, also cater to
Grading of the search engine to webpage can be improved in the specification of search engine, improve using search engine to commercial articles searching
Rank order improves Page Impression degree, obtains more the effect of publicity.
The embodiment of the invention also provides a kind of nonvolatile computer storage media, the computer storage medium storage
Have an at least executable instruction, the computer executable instructions can be performed in above-mentioned any means embodiment based on TF-IDF's
URL generation method.
Fig. 3 shows a kind of structural schematic diagram for calculating equipment according to an embodiment of the present invention, the specific embodiment of the invention
The specific implementation for calculating equipment is not limited.
As shown in figure 3, the calculating equipment may include: processor (processor) 302, communication interface
(Communications Interface) 304, memory (memory) 306 and communication bus 308.
Wherein:
Processor 302, communication interface 304 and memory 306 complete mutual communication by communication bus 308.
Communication interface 304, for being communicated with the network element of other equipment such as client or other servers etc..
Processor 302 can specifically execute the above-mentioned URL generation method based on TF-IDF and implement for executing program 310
Correlation step in example.
Specifically, program 310 may include program code, which includes computer operation instruction.
Processor 302 may be central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.The one or more processors that equipment includes are calculated, can be same type of processor, such as one or more CPU；It can also
To be different types of processor, such as one or more CPU and one or more ASIC.
Memory 306, for storing program 310.Memory 306 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
Program 310 specifically can be used for so that processor 302 executes following operation:
Word segmentation processing is carried out to the initial data text of webpage and obtains basic word；
Calculate the TF value and IDF value of each basic word；
The TF-IDF value of the basic word is obtained according to the TF value of the basic word and IDF value；
URL is generated in conjunction with unique index according to the corresponding word of the TF-IDF value.
The initial data text includes the text of the title of the webpage commodity, the description webpage exterior of commodity details
Originally, at least one in the text of the description webpage commodity function effect, the description webpage commodity favorable comment and the text of recommendation
Kind.
Program 310 specifically can be used for so that processor 302 executes following operation: the initial data text is divided
The initial data text is reduced into basic word, and the basic word is compareed with dictionary is stopped by word processing, excludes nothing
Word.
The unique index be generation is set URL described in after the corresponding word of TF-IDF value, with underscore with
The indexes that a string of word connection are made of any letter, symbol and number, the index mutual not phase between different url
Together.
The URL format is https: // { domain }/{ keywords } _ { uniqueParameter } .html, wherein
The domain is Foreign trade electronic commerce platform domain name, and the keywords is the corresponding list filtered out according to TF-IDF value
Word, the uniqueParameter are the unique index.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize that the URL according to an embodiment of the present invention based on TF-IDF generates system
The some or all functions of some or all components in system.The present invention is also implemented as described here for executing
Method some or all device or device programs (for example, computer program and computer program product).This
The program that the realization of sample is of the invention can store on a computer-readable medium, or can have one or more signal
Form.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or with any other
Form provides.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Claims (10)
1. a kind of URL generation method based on TF-IDF, which is characterized in that the URL generation method based on TF-IDF includes:
Word segmentation processing is carried out to the initial data text of webpage and obtains basic word；
Calculate the TF value and IDF value of each basic word；
The TF-IDF value of the basic word is obtained according to the TF value of the basic word and IDF value；
URL is generated in conjunction with unique index according to the corresponding word of the TF-IDF value.
2. the URL generation method according to claim 1 based on TF-IDF, which is characterized in that the initial data text
Text, the description webpage commodity function of title, the description webpage exterior of commodity details including the webpage commodity are made
At least one of text, the description webpage commodity favorable comment and text of recommendation.
3. the URL generation method according to claim 1 based on TF-IDF, which is characterized in that described to the original of webpage
Data text carries out word segmentation processing and obtains basic word specifically: the initial data text is subjected to word segmentation processing, it will be described
Initial data text is reduced into basic word, and the basic word is compareed with dictionary is stopped, and excludes stop word.
4. the URL generation method according to claim 1 based on TF-IDF, which is characterized in that the unique index is to set
After setting the corresponding word of TF-IDF value described in the URL of generation, a string connect with the word with underscore are by any word
The index of female, symbol and number composition, the index are different between different url.
5. the URL generation method according to claim 1 based on TF-IDF, which is characterized in that the URL format is
Https: // { domain }/{ keywords } _ { uniqueParameter } .html, wherein the domain is foreign trade electronics quotient
Business platform domain name, the keywords is the corresponding word filtered out according to TF-IDF value, and the uniqueParameter is
The unique index.
6. a kind of URL based on TF-IDF generates system, which is characterized in that the system includes:
Word segmentation module: word segmentation processing is carried out for the initial data text to webpage and obtains basic word；
TF-IDF value computing module: for calculating the TF value and IDF value of each basic word, and each institute is ultimately generated
State the TF-IDF value of basic word；
URL generation module: for generating URL in conjunction with unique index according to the corresponding word of the TF-IDF value.
7. the URL according to claim 6 based on TF-IDF generates system, which is characterized in that the system also includes:
Document collection module: for collecting the title that initial data text includes the webpage commodity, the description webpage commodity
The text of appearance details, the text of the description webpage commodity function effect, the description webpage commodity favorable comment and the text of recommendation
At least one of this；
Document library module: for collecting other commodity webpages for summarizing Foreign trade electronic commerce platform place field by participle screening
Text.
8. the URL according to claim 6 based on TF-IDF generates system, which is characterized in that the URL generation module is used
In the URL format of the webpage of the commodity of generation, the webpage be https: // { domain }/{ keywords } _
{ uniqueParameter } .html, wherein the domain is Foreign trade electronic commerce platform domain name, the keywords is root
The corresponding word filtered out according to TF-IDF value, the uniqueParameter are the unique index.
9. a kind of calculating equipment characterized by comprising processor, memory, communication interface and communication bus, the processing
Device, the memory and the communication interface complete mutual communication by the communication bus；
The memory executes the processor as right is wanted for storing an at least executable instruction, the executable instruction
Ask the corresponding operation of URL generation method described in any one of 1-5 based on TF-IDF.
10. a kind of computer storage medium, which is characterized in that be stored with an at least executable instruction, institute in the storage medium
Stating executable instruction makes processor execute the URL generation method pair according to any one of claims 1 to 5 based on TF-IDF
The operation answered.
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| CN201811242424.3A CN109408749A (en) | 2018-10-24 | 2018-10-24 | URL generation method and system based on TF-IDF |
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