CN108595586B - Method and device for determining search keywords - Google Patents

Method and device for determining search keywords Download PDF

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Publication number
CN108595586B
CN108595586B CN201810351553.XA CN201810351553A CN108595586B CN 108595586 B CN108595586 B CN 108595586B CN 201810351553 A CN201810351553 A CN 201810351553A CN 108595586 B CN108595586 B CN 108595586B
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keyword
feature
domain name
keywords
post request
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CN108595586A (en
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魏方征
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Hangzhou DPTech Technologies Co Ltd
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Hangzhou DPTech Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]

Abstract

The application provides a method for determining search keywords, which comprises the following steps: receiving a first POST request; after determining that the domain name accessed by the first POST request is a pre-configured specified domain name, extracting a characteristic keyword in a data load of the first POST request; checking whether the feature keywords exist in a preset keyword feature database; the keyword feature database records user-defined feature keywords; and if so, determining the value of the characteristic keyword as a search keyword. By using the method provided by the application, the search keyword input by the user and carried by the HTTP/POST request can be determined.

Description

Method and device for determining search keywords
Technical Field
The present application relates to the field of computer communications, and in particular, to a method and an apparatus for determining a search keyword.
Background
With the development of network technology, search keywords input by a user in a webpage are audited, so that the requirement for guaranteeing network security is increasing day by day.
When a user searches in a webpage, the generated HTTP (Hypertext Transfer Protocol)/GET (HTTP request mode) message is sent to a server. The URL (Uniform resource locator) of the HTTP/GET message includes feature information, where the feature information identifies a search keyword input by a user, and thus the server may extract the search keyword input by the user to perform auditing by parsing the URL.
However, for an HTTP/POST (an HTTP request method) request sent by a client, there is no mechanism to extract a search keyword, which is carried by the HTTP/POST request and is input by a user.
Disclosure of Invention
In view of this, the present application provides a method and an apparatus for determining a search keyword, so as to determine a search keyword, which is carried by an HTTP/POST request and is input by a user.
Specifically, the method is realized through the following technical scheme:
according to a first aspect of the present application, there is provided a method of determining a search keyword, the method including:
receiving a first POST request;
after determining that the domain name accessed by the first POST request is a pre-configured specified domain name, extracting a characteristic keyword in a data load of the first POST request;
checking whether the feature keywords exist in a preset keyword feature database; the keyword feature database records user-defined feature keywords;
and if so, determining the value of the characteristic keyword as a search keyword.
Optionally, the determining that the domain name accessed by the first POST request is a specified domain name includes:
checking whether the value of the HOST field carried by the first POST request is a specified domain name;
if yes, determining the domain name accessed by the first POST request as a specified domain name;
if not, determining that the domain name accessed by the first POST request is not a specified domain name.
Optionally, the extracting the feature keyword in the data payload of the first POST request includes:
analyzing the data load of the first POST request into a first corresponding relation between M keys and key values; wherein M is an integer greater than 0;
and extracting keys in each first corresponding relation as characteristic keywords.
Optionally, the determining that the value of the feature keyword is a search keyword includes:
searching the key value corresponding to the characteristic keyword in the first corresponding relation between the M keys and the key values;
and taking the searched key value as a search key word.
Optionally, the keyword feature database is generated as follows:
receiving a second POST request to access the preconfigured specified domain name;
analyzing the data load of the second POST request into a second corresponding relation of N keys and key values; wherein N is an integer greater than 0;
displaying N keys in the N second corresponding relations to the user;
in response to a user's add operation with respect to one or more of the N presented keys, generating the keyword feature database in dependence upon the one or more keys indicated by the add operation.
Optionally, the method further includes:
receiving an updating request of the feature keywords sent by the remote control server;
based on the feature keywords to be added carried in the updating request, adding the feature keywords to be added in the keyword feature database;
deleting the feature keywords to be deleted in the keyword feature database based on the feature keywords to be deleted carried in the updating request;
and searching the feature keywords before modification in the keyword feature data based on the corresponding relation between the feature keywords before and after modification carried in the update request, and modifying the searched feature keywords into the modified feature keywords carried in the update request.
According to a second aspect of the present application, there is provided a determination apparatus of a search keyword, the apparatus including:
a receiving unit, configured to receive a first POST request;
the extraction unit is used for extracting the characteristic keywords in the data load of the first POST request after determining that the domain name accessed by the first POST request is a pre-configured specified domain name;
the checking unit is used for checking whether the feature keywords exist in a preset keyword feature database or not; the keyword feature database records user-defined feature keywords;
and the determining unit is used for determining the value of the characteristic keyword as a search keyword if the characteristic keyword exists.
Optionally, the extracting unit is specifically configured to check whether a value of a HOST field carried by the first POST request is a specified domain name when it is determined that the domain name accessed by the first POST request is the specified domain name; if yes, determining the domain name accessed by the first POST request as a specified domain name; if not, determining that the domain name accessed by the first POST request is not a specified domain name.
Optionally, the extracting unit is specifically configured to analyze the data payload of the first POST request into a first corresponding relationship between M keys and key values; wherein M is an integer greater than 0; and extracting keys in each first corresponding relation as characteristic keywords.
Optionally, the determining unit is specifically configured to search for a key value corresponding to the feature keyword in the first corresponding relationship between the M keys and the key values; and taking the searched key value as a search key word.
Optionally, the keyword feature database is generated as follows:
receiving a second POST request to access the preconfigured specified domain name;
analyzing the data load of the second POST request into a second corresponding relation of N keys and key values; wherein N is an integer greater than 0;
displaying N keys in the N second corresponding relations to the user;
in response to a user's add operation with respect to one or more of the N presented keys, generating the keyword feature database in dependence upon the one or more keys indicated by the add operation.
Optionally, the apparatus further comprises:
the updating unit is used for receiving an updating request of the feature keywords sent by the remote control server; based on the feature keywords to be added carried in the updating request, adding the feature keywords to be added in the keyword feature database; deleting the feature keywords to be deleted in the keyword feature database based on the feature keywords to be deleted carried in the updating request; and searching the feature keywords before modification in the keyword feature data based on the corresponding relation between the feature keywords before and after modification carried in the update request, and modifying the searched feature keywords into the modified feature keywords carried in the update request.
The application provides a method for determining search keywords, and after a network device determines that a domain name accessed by a received POST request is a specified domain name, the method can extract feature keywords in a data load of the POST request. Then, the network device may check whether the feature keyword exists in a preset keyword feature database, and if so, the network device uses the value of the feature keyword as a search keyword.
On one hand, the configuration and the update of the keyword feature database provide an interface for a user, and the user can call the interface to realize the configuration and the update of the keyword feature database, so that the personalized configuration of the keyword feature database is realized.
On the other hand, after the network device determines that the domain name accessed by the received POST request is the designated domain name, the network device can determine the search keyword according to the keyword feature database, so that the search keyword meeting the user requirement is automatically determined from the POST request.
Drawings
Fig. 1 is a flowchart illustrating a method for determining a search keyword according to an exemplary embodiment of the present application;
fig. 2 is a hardware architecture diagram of a network device where a search keyword determination apparatus is located according to the present application;
fig. 3 is a block diagram of a search keyword determination apparatus according to an exemplary embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
The application aims to provide a method for determining search keywords, and when a network device determines that a domain name accessed by a received POST request is a specified domain name, the method can extract the feature keywords in a data load of the POST request. Then, the network device may check whether the feature keyword exists in a preset keyword feature database, and if so, the network device uses the value of the feature keyword as a search keyword.
On one hand, the configuration and the update of the keyword feature database provide an interface for a user, and the user can call the interface to realize the configuration and the update of the keyword feature database, so that the personalized configuration of the keyword feature database is realized.
On the other hand, after the network device determines that the domain name accessed by the received POST request is the designated domain name, the network device can determine the search keyword according to the keyword feature database, so that the search keyword meeting the user requirement is automatically determined from the POST request.
Before describing the method of determining a search keyword, the generation and update of the keyword feature database will be described in detail.
1) Keyword feature database generation
The network device may provide an interactive interface for the user, on which the user may configure the specified domain name.
The network device may receive an HTTP/POST request sent by the terminal (for convenience of description, the HTTP/POST request used to generate the keyword feature database is referred to as a second POST request).
The network device may check, based on the HOST field of the second POST request, whether a value of the HOST field is a specified domain name configured by the user.
If the value of the HOST field is the appointed domain name configured by the user, the data load part of the second POST request is analyzed into the corresponding relation between N keys and key values; wherein N is an integer greater than 0.
Then, the network device may display the N keys in the correspondence relationship between the N keys and the key values to the user through an interactive interface.
The user can select one or more keys to be added at the N keys presented. The network device may generate the keyword feature database in accordance with one or more keys indicated by an adding operation in response to the adding operation of the user for one or more keys of the presented N keys.
For example, the specified domain name added by the user is guba.
When the server receives a second POST request message with HOST field guba.
The second POST request is as follows:
POST/search/ResultAll.aspx HTTP/1.1;
host, guba, hexun, com; (second POST request visited Domain name)
Connection:keep-alive;
Content-Length:16;
Cache-Control:max-age=0;
Origin:http://guba.hexun.com;
Accept-Language, zh-CN, zh; q is 0.8; (message header of second POST request)
keyword ═ C3% a 9% CC% a8& code ═ utf8 (data payload of second POST request)
At this time, the server may analyze the data payload part of the second POST request message into a corresponding relationship between N keys and key values. Namely, the following analysis was carried out:
keyword ═ C3% a 9% CC% a 8; (key is bond,% C3% A9% CC% A8 is key value)
code utf 8; (code is a key, utf8 is a key value)
The server can display the keyword and the code to the user through an interactive interface. The user can select the key to be added in the keyword feature database among the keywords and the code.
Such as a user selecting to add a keyword. The server may add the keyword in the keyword feature database in response to the user add keyword operation.
2) Updating of a keyword feature database
Typically, server maintenance personnel can periodically update (add, delete, and modify) the feature keys preset in the remote control server. The remote control server may send an update request to the network device after updating the preset feature keyword.
When the network device can receive an update request sent by the remote control server.
If the update request carries the feature keyword to be added, the network device may add the feature keyword to be added to the keyword feature database.
For example, when the update request carries a feature keyword to be added as a code, the network device may add the feature keyword of the code in the keyword feature database.
If the update request carries the feature keyword to be deleted, the server may delete the feature keyword to be deleted in the keyword feature database.
For example, when the feature keyword to be deleted carried in the update request is a keyword, the network device may delete the keyword in the keyword feature database.
If the update request carries the corresponding relationship between the feature keywords before and after modification, the network device may search the feature keyword before modification in the keyword feature database, and modify the searched feature keyword into the modified feature keyword carried in the update request.
For example, assuming that the correspondence between the before-modification feature keywords and the after-modification feature keywords carried in the update request is a keyword-key, the network device may search the keyword in the keyword feature database, and then modify the searched keyword into the keyword.
Of course, the server may also add the feature keyword, delete the feature keyword, and modify the feature keyword in the keyword feature database in response to the user's operations of adding, deleting, and modifying the keyword feature database.
The above description is only an exemplary illustration of updating the keyword feature library, and is not specifically limited thereto.
After the above keyword feature database is introduced, the method for determining a search keyword provided in the present application is described in detail below.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for determining a search keyword according to an exemplary embodiment of the present application, which may be applied to a network device and may include the following steps.
Step 101: the network equipment receives a first POST request;
step 102: and after determining that the domain name accessed by the first POST request is a pre-configured specified domain name, the network equipment extracts the characteristic keywords in the data load of the first POST request.
The network device may include a network security device, etc., which are only exemplary and not specifically limited herein.
The first POST request refers to a first POST request for determining a search keyword by using the keyword feature library, and the first POST request may be any one of POST requests, and first has no practical meaning, and is only for convenience of description.
In implementation, the network device may check whether a value of the HOST field in the first POST request is a specified domain name, and if the value of the HOST field is the specified domain name, may extract a feature keyword in the data payload of the first POST request, and continue to perform steps 103 to 104. If the value of the HOST field is not the specified domain name, no processing is performed.
When extracting the feature key in the data payload of the first POST request, the network device may analyze the data payload of the first POST request into a first corresponding relationship between M keys and key values, and then use the keys in each first corresponding relationship as the feature key. Wherein M is an integer greater than 0.
For example, assuming that the domain name is specified as guba. hexun. com, a received POST request 1 is as follows
POST/search/ResultAll.aspx HTTP/1.1;
Host, guba, hexun, com; (domain name visited by POST request 1)
Connection:keep-alive;
Content-Length:16;
Cache-Control:max-age=0;
Origin:http://guba.hexun.com;
Accept-Language, zh-CN, zh; q is 0.8; (message header of POST request 1)
keyword ═ C4% a 9% CC% a8& code ═ utf9 (data payload of POST request 1)
The server may detect whether the HOST field of POST request 1 takes on a value of guba.
The network device may then resolve the data payload in POST request 1 into a first correspondence of M keys and key values.
For example, the network device may parse the data payload in POST request 1 into:
keyword ═ C4% a 9% CC% a 8; (key is bond,% C4% A9% CC% A8 is key value)
code utf 9; (code is a key, utf9 is a key value)
The network device may then extract the keyword and code as feature keys for POST request 1.
Step 103: the network equipment checks whether the feature keywords exist in a preset keyword feature database; the keyword feature database records user-defined feature keywords;
step 104: and if so, the network equipment determines the value of the characteristic keyword as a search keyword.
In implementation, the network device may check whether the extracted feature keyword exists in the keyword feature library.
And if the extracted feature keywords exist in the keyword feature library, taking the values of the extracted feature keywords as search keywords.
Specifically, if the extracted feature keyword exists in the keyword feature library, the key value corresponding to the feature keyword is searched for in the first corresponding relationship between the M keys and the key values, and the searched key value is used as a search keyword.
In the embodiment of the application, if the search keyword is in the non-specified character format, the search keyword is converted into the specified character format.
For example, still taking POST request 2 in step 102 as an example, assuming that a keyword exists in the keyword feature database, the key value% C4% a 9% CC% a8 corresponding to the keyword is used as the search keyword.
Since% C4% a 9% CC% a8 is not in the designated character format, the% C4% a 9% CC% a8 is converted to the designated character format "couchtop".
And if the extracted feature keywords do not exist in the keyword feature library, not taking the values of the feature keywords as the search keywords.
The application provides a method for determining search keywords, and after a network device determines that a domain name accessed by a received POST request is a specified domain name, the method can extract feature keywords in a data load of the POST request. Then, the network device may check whether the feature keyword exists in a preset keyword feature database, and if so, the network device uses the value of the feature keyword as a search keyword.
On one hand, the configuration and the update of the keyword feature database provide an interface for a user, and the user can call the interface to realize the configuration and the update of the keyword feature database, so that the personalized configuration of the keyword feature database is realized.
On the other hand, after the network device determines that the domain name accessed by the received POST request is the designated domain name, the network device can determine the search keyword according to the keyword feature database, so that the search keyword meeting the user requirement is automatically determined from the POST request.
Referring to fig. 2, the present application also provides a hardware architecture diagram of a server where a search keyword determination device is located, the apparatus including: a communication interface 201, a processor 202, a memory 203, and a bus 204; wherein, the communication interface 201, the processor 202 and the memory 203 complete the communication with each other through the bus 204.
Wherein the processor 202 may be a CPU, the memory 203 may be a non-volatile memory (non-volatile memory), and the memory 203 stores a search key determination logic instruction, and the processor 202 may execute the search key determination logic instruction stored in the memory 203 to implement the function of search key determination.
Thus, the description of the hardware configuration shown in fig. 2 is completed.
Referring to fig. 3, fig. 3 is a block diagram illustrating a search keyword determination apparatus according to an exemplary embodiment of the present application. The apparatus is applicable to a network device and may include the following elements.
A receiving unit 301, configured to receive a first POST request;
an extracting unit 302, configured to extract a feature keyword in a data payload of the first POST request after determining that the domain name accessed by the first POST request is a pre-configured specified domain name;
a checking unit 303, configured to check whether the feature keyword exists in a preset keyword feature database; the keyword feature database records user-defined feature keywords;
a determining unit 304, configured to determine, if the feature keyword exists, that the value of the feature keyword is a search keyword.
Optionally, the extracting unit 302 is specifically configured to check whether a value of a HOST field carried by the first POST request is a specified domain name when it is determined that the domain name accessed by the first POST request is the specified domain name; if yes, determining the domain name accessed by the first POST request as a specified domain name; if not, determining that the domain name accessed by the first POST request is not a specified domain name.
Optionally, the extracting unit 302 is specifically configured to analyze the data payload of the first POST request into a first corresponding relationship between M keys and key values; wherein M is an integer greater than 0; and extracting keys in each first corresponding relation as characteristic keywords.
Optionally, the determining unit 304 is specifically configured to search, in the first corresponding relationship between the M keys and key values, for the key value corresponding to the feature keyword; and taking the searched key value as a search key word.
Optionally, the keyword feature database is generated as follows:
receiving a second POST request to access the preconfigured specified domain name;
analyzing the data load of the second POST request into a second corresponding relation of N keys and key values; wherein N is an integer greater than 0;
displaying N keys in the N second corresponding relations to the user;
in response to a user's add operation with respect to one or more of the N presented keys, generating the keyword feature database in dependence upon the one or more keys indicated by the add operation.
Optionally, the apparatus further comprises:
an updating unit (not shown in fig. 3) for receiving an update request of the feature keyword transmitted from the remote control server; based on the feature keywords to be added carried in the updating request, adding the feature keywords to be added in the keyword feature database; deleting the feature keywords to be deleted in the keyword feature database based on the feature keywords to be deleted carried in the updating request; and searching the feature keywords before modification in the keyword feature data based on the corresponding relation between the feature keywords before and after modification carried in the update request, and modifying the searched feature keywords into the modified feature keywords carried in the update request.
The implementation process of the functions and actions of each unit in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. A method for determining a search keyword, the method comprising:
receiving a first POST request;
after determining that the domain name accessed by the first POST request is a pre-configured specified domain name, extracting a characteristic keyword in a data load of the first POST request;
checking whether the feature keywords exist in a preset keyword feature database; the keyword feature database records user-defined feature keywords;
if the search keyword exists, determining the value of the characteristic keyword as the search keyword, and auditing the search keyword;
the keyword feature database is generated by the following method:
receiving a second POST request to access the preconfigured specified domain name;
analyzing the data load of the second POST request into a second corresponding relation of N keys and key values; wherein N is an integer greater than 0;
displaying N keys in the N second corresponding relations to the user;
in response to a user's add operation with respect to one or more of the N presented keys, generating the keyword feature database in dependence upon the one or more keys indicated by the add operation.
2. The method of claim 1, wherein the determining that the domain name accessed by the first POST request is a specified domain name comprises:
checking whether the value of the HOST field carried by the first POST request is a specified domain name;
if yes, determining the domain name accessed by the first POST request as a specified domain name;
if not, determining that the domain name accessed by the first POST request is not a specified domain name.
3. The method as claimed in claim 1, wherein said extracting feature keys in the first POST request data payload comprises:
analyzing the data load of the first POST request into a first corresponding relation between M keys and key values; wherein M is an integer greater than 0;
and extracting keys in each first corresponding relation as characteristic keywords.
4. The method of claim 3, wherein the determining that the value of the feature keyword is a search keyword comprises:
searching the key value corresponding to the characteristic keyword in the first corresponding relation between the M keys and the key values;
and taking the searched key value as a search key word.
5. The method of claim 1, further comprising:
receiving an updating request of the feature keywords sent by the remote control server;
based on the feature keywords to be added carried in the updating request, adding the feature keywords to be added in the keyword feature database;
deleting the feature keywords to be deleted in the keyword feature database based on the feature keywords to be deleted carried in the updating request;
and searching the feature keywords before modification in the keyword feature data based on the corresponding relation between the feature keywords before and after modification carried in the update request, and modifying the searched feature keywords into the modified feature keywords carried in the update request.
6. An apparatus for determining a search keyword, the apparatus comprising:
a receiving unit, configured to receive a first POST request;
the extraction unit is used for extracting the characteristic keywords in the data load of the first POST request after determining that the domain name accessed by the first POST request is a pre-configured specified domain name;
the checking unit is used for checking whether the feature keywords exist in a preset keyword feature database or not; the keyword feature database records user-defined feature keywords;
the determining unit is used for determining the value of the characteristic keyword as a search keyword if the characteristic keyword exists, and auditing the search keyword;
the keyword feature database is generated by the following method:
receiving a second POST request to access the preconfigured specified domain name;
analyzing the data load of the second POST request into a second corresponding relation of N keys and key values; wherein N is an integer greater than 0;
displaying N keys in the N second corresponding relations to the user;
in response to a user's add operation with respect to one or more of the N presented keys, generating the keyword feature database in dependence upon the one or more keys indicated by the add operation.
7. The apparatus according to claim 6, wherein the extracting unit, when determining that the domain name accessed by the first POST request is a specified domain name, is specifically configured to check whether a value of a HOST field carried by the first POST request is the specified domain name; if yes, determining the domain name accessed by the first POST request as a specified domain name; if not, determining that the domain name accessed by the first POST request is not a specified domain name.
8. The apparatus according to claim 6, wherein the extracting unit is specifically configured to parse a data payload of the first POST request into a first corresponding relationship of M keys and key values; wherein M is an integer greater than 0; and extracting keys in each first corresponding relation as characteristic keywords.
9. The apparatus according to claim 8, wherein the determining unit is specifically configured to search for a key value corresponding to the feature keyword in the first corresponding relationship between the M keys and key values; and taking the searched key value as a search key word.
10. The apparatus of claim 6, further comprising:
the updating unit is used for receiving an updating request of the feature keywords sent by the remote control server; based on the feature keywords to be added carried in the updating request, adding the feature keywords to be added in the keyword feature database; deleting the feature keywords to be deleted in the keyword feature database based on the feature keywords to be deleted carried in the updating request; and searching the feature keywords before modification in the keyword feature data based on the corresponding relation between the feature keywords before and after modification carried in the update request, and modifying the searched feature keywords into the modified feature keywords carried in the update request.
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