CN109885762A - Information retrieval method, device, storage medium and computer equipment - Google Patents

Information retrieval method, device, storage medium and computer equipment Download PDF

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Publication number
CN109885762A
CN109885762A CN201910075588.XA CN201910075588A CN109885762A CN 109885762 A CN109885762 A CN 109885762A CN 201910075588 A CN201910075588 A CN 201910075588A CN 109885762 A CN109885762 A CN 109885762A
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China
Prior art keywords
information
retrieval
search result
search
retrieval information
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CN201910075588.XA
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Chinese (zh)
Inventor
张欣宇
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Ping An Technology Shenzhen Co Ltd
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Ping An Technology Shenzhen Co Ltd
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Priority to CN201910075588.XA priority Critical patent/CN109885762A/en
Publication of CN109885762A publication Critical patent/CN109885762A/en
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Abstract

This application involves retrieval technique field more particularly to a kind of information retrieval methods, device and computer equipment.Wherein, the information retrieval method, comprising: the first retrieval information and scramble data are carried out cryptographic calculation, obtains the second retrieval information by the first retrieval information for obtaining user's input;Second retrieval the second search result of information acquisition described in third party's search engine retrieving is called, and second search result is cached into local data base;Quadratic search is carried out in the second search result of the local data base according to the first retrieval information, obtains corresponding first search result of the first retrieval information.Scheme provided by the present application can be improved the safety of retrieval information, avoid information leakage problem caused by as calling external retrieval engine.

Description

Information retrieval method, device, storage medium and computer equipment
Technical field
This application involves retrieval technique fields, specifically, this application involves a kind of information retrieval method, device, storages Medium and computer equipment.
Background technique
User inputs search key when carrying out data search using search engine, in the frame retrieval of search engine, searches Index is held up searches the search result comprising keyword as much as possible in the database, and user selects mesh in described search result Mark search result.But for some unit departments being related to concerning national security, such as scientific research department, if utilizing search engine It is retrieved in wide-area data library, the scientific research side of the unit department can be exported by the retrieval information reverse push of internal staff To and progress, cause confidential information to be revealed, in order to avoid the appearance of such case, these units that there is secrecy to need often are inclined To in being retrieved within the scope of local area network, but the progress of science and technology is maked rapid progress, and the search result that local area network provides is not comprehensive, It is unable to satisfy user's needs.
Summary of the invention
This application provides a kind of information retrieval method, information indexing device, computer readable storage medium and computers Equipment avoids information leakage problem caused by as calling external retrieval engine to improve the safety of retrieval information.
The embodiment of the present application provides firstly a kind of information retrieval method, comprising: obtains the first retrieval letter of user's input The first retrieval information and scramble data are carried out cryptographic calculation, obtain the second retrieval information by breath;
Second retrieval the second search result of information acquisition described in third party's search engine retrieving is called, and described second is examined Rope result cache is into local data base;
Quadratic search is carried out in the second search result of the local data base according to the first retrieval information, is obtained Described first retrieves corresponding first search result of information.
In one embodiment, it is described second search result is cached into the step into local data base after, also Include:
It is retrieved in second search result according to the scramble data, third search result is obtained, according to institute Third search result is stated to be filtered second search result.
In one embodiment, it is described by it is described first retrieval information and scramble data carry out cryptographic calculation the step of it Before, further includes:
It is retrieved in the local database using the first retrieval information, obtains original search result;
Obtain the matching degree of original search result with the first retrieval information;
Detect that the quantity for the search result for meeting preset condition in the original search result is lower than preset threshold, it is described Preset condition includes with the matching degree of the first information to be retrieved in original search result more than preset threshold.
In one embodiment, the step of matching degree for obtaining original search result and information to be retrieved, comprising:
The first retrieval information acquisition search key is parsed, the power of each search key is obtained according to semantics recognition Weight;
Of original search result with the first retrieval information is obtained according to the search key for including in original search result With degree.
In one embodiment, the described the step of first retrieval information and scramble data are subjected to cryptographic calculation, packet It includes:
Obtain the scramble data of the first retrieval information;
Cryptographic calculation is carried out to the first retrieval information and its scramble data according to preset encryption key.
In one embodiment, described the step of obtaining the first retrieval information corresponding first search result, comprising:
Obtain the matching degree of the first search result and the first retrieval information;
It is ranked up according to matching degree of the matching degree to first search result, the first retrieval after output sequence As a result.
In one embodiment, it is described second search result is cached into the step into local data base before, also Include:
The attribute information for obtaining the local data base carried out second search result according to the attribute information Filter.
Further, the embodiment of the present application also provides a kind of information indexing devices, comprising:
Encrypting module, for obtaining the first retrieval information of user's input, by the first retrieval information and scramble data Cryptographic calculation is carried out, the second retrieval information is obtained;
Cache module, for calling second retrieval the second search result of information acquisition described in third party's search engine retrieving, And second search result is cached into local data base;
Quadratic search module, for retrieving information in the second search result of the local data base according to described first Quadratic search is carried out, corresponding first search result of the first retrieval information is obtained.
Further, described computer-readable to deposit the embodiment of the present application also provides a kind of computer readable storage medium Storage media when run on a computer, allows computer to execute any of the above-described skill for storing computer instruction The step of information retrieval method described in art scheme.
Further, the embodiment of the present application also provides a kind of computer equipment, the computer equipment includes:
One or more processors;
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processing Device realizes the step of information retrieval method described in above-mentioned any one technical solution.
Compared with prior art, scheme provided by the present application at least has following advantage:
Information retrieval method provided by the embodiments of the present application, by being encrypted to the first retrieval information, after encryption Second retrieval the second search result of information acquisition, in the second search result carry out first retrieval information quadratic search, it is defeated Corresponding first search result of first retrieval information out.When due to calling third party's search engine to retrieve, to first Retrieval information is encrypted, and to retrieve information according to the second retrieval information acquisition first searched, is not knowing encryption In the case where key, it is virtually impossible to it is accurate to obtain the first retrieval information, the first retrieval information is improved in third party's search engine The safety of upper search.
Information retrieval method provided by the embodiments of the present application, will be according to the second retrieval of the second retrieval information acquisition after encryption As a result all caching is into local data base, so that criminal carries out the reverse-direction derivation of the first retrieval information according to downloading data Success rate substantially reduce, further improve the safety of the first retrieval information.Second search result is being stored in local After end, quadratic search is carried out in the second search result using the first retrieval information, due to the data volume of the second search result It is small compared with the data volume in local data base, it can be improved the efficiency that the first retrieval information carries out quadratic search.
The additional aspect of the application and advantage will be set forth in part in the description, these will become from the following description It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, in which:
Fig. 1 is the implementation environment figure for the information retrieval method that the application one embodiment provides;
Fig. 2 is the flow diagram for the information retrieval method that the application one embodiment provides;
Fig. 3 is the flow diagram being filtered to the second search result that the application one embodiment provides;
Fig. 4 provides the flow diagram of information retrieval method for another embodiment of the application, and emphasis shows step Information is retrieved with before scramble data progress cryptographic calculation by described first in S210, is retrieved in the local database Step;
Fig. 5 is the stream of the original search result of acquisition and the matching degree of the first retrieval information that the application one embodiment provides Journey schematic diagram;
Fig. 6 obtains the step of corresponding first search result of first search result for what a kind of embodiment of the application provided Rapid flow diagram;
Fig. 7 is a kind of structural schematic diagram for the computer equipment that embodiment provides of the application.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining the application, and cannot be construed to the limitation to the application.
It will be understood by those skilled in the art that unless expressly stated, singular " one " used herein, "one", " institute State " and "the" may also comprise plural form.It is to be further understood that wording " comprising " used in the description of the present application Refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition one or more Other a features, integer, step, operation, element, component and/or their group.
It is appreciated that term " first " used in this application, " second " etc. can be used to describe various elements herein, But these elements should not be limited by these terms.These terms are only used to distinguish the first element from the other element.Citing comes It says, in the case where not departing from scope of the present application, the first live video image can be known as to the second live video image, and Similarly, the second live video image can be known as the first live video image.First live video image and the second live streaming view Frequency image both live video image, but it is not the same live video image.
It will be understood by those skilled in the art that unless otherwise defined, all terms used herein (including technical term and Scientific term), there is meaning identical with the general understanding of those of ordinary skill in the application fields.It should also be appreciated that , those terms such as defined in the general dictionary, it should be understood that have and the meaning in the context of the prior art Consistent meaning, and unless otherwise will not be explained in an idealized or overly formal meaning by specific definitions.
As shown in FIG. 1, FIG. 1 is the implementation environment figures of the information retrieval method provided in one embodiment, in the implementation ring In border, including user terminal, server end and third party's search engine end.
Server end is local search engine in the present embodiment, receives the first retrieval information of user terminal input, will The first retrieval information and scramble data carry out cryptographic calculation, obtain the second retrieval information;Call the inspection of third party's search engine Suo Suoshu second retrieves the second search result of information acquisition, and second search result is cached into local data base;Root Quadratic search is carried out in the second search result of the local data base according to the first retrieval information, obtains first inspection Corresponding first search result of rope information.
It should be noted that user terminal can for smart phone, tablet computer, laptop, desktop computer etc., but It is not limited thereto.Server end and third party's search engine end can be computer equipment, server end and user terminal, meter Bluetooth, USB (Universal Serial Bus, universal serial bus) can be passed through by calculating machine equipment and third party's search engine end Or other communication connection modes are attached, the application is herein with no restrictions.
In one embodiment, Fig. 2 is the flow diagram of information retrieval method provided by the embodiments of the present application, the information Search method can be applied in above-mentioned computer equipment, include the following steps:
Step S210 obtains the first retrieval information of user's input, the first retrieval information and scramble data is carried out Cryptographic calculation obtains the second retrieval information;
Step S220 calls second search the second search result of information acquisition described in third party's search engine retrieving, and will Second search result is cached into local data base;
Step S230 is carried out in the second search result of the local data base secondary according to the first retrieval information Retrieval obtains corresponding first search result of the first retrieval information.
The first retrieval information of user's input is received, the first retrieval information can be search key, paragraph etc., root According to the default scramble data obscured rule and obtain the first retrieval information, encryption fortune is carried out to the first retrieval information and scramble data It calculates, such as random combine mode is carried out to several search keys and is encrypted, obtain encrypted second retrieval information, second inspection Rope information is to call third party comprising the first retrieval information and a large amount of scramble data to the encrypted result of the first retrieval information Search engine retrieves the second retrieval information, obtains corresponding second search result, includes first in the second search result The corresponding search result of information is retrieved, the second search result is cached into local data base, then is carried out from local data base The retrieval of first retrieval information obtains corresponding first search result of the first retrieval information, since the second search result is to be directed to Encryption is retrieved that information is retrieved as a result, the first retrieval information directly can not be obtained according to the second search result, to improve The safety of first retrieval information.
In scheme provided by the present application, by being encrypted to the first retrieval information, believed using encrypted second retrieval Breath obtains the second search result, and the quadratic search of the first retrieval information, output the first retrieval letter are carried out in the second search result Cease corresponding first search result.When due to calling third party's search engine to retrieve, the first retrieval information is carried out Encryption, to retrieve information according to the second retrieval information acquisition first searched, in the case where not knowing encryption key, The first retrieval information almost can not be accurately obtained, the safety that the first retrieval information is searched on third party's search engine is improved Property.It will all be cached into local data base according to the second search result of the second retrieval information acquisition after encryption, so that illegal The success rate for the reverse-direction derivation that molecule carries out the first retrieval information according to downloading data substantially reduces, and further improves the first inspection The safety of rope information.After the second search result is stored in local side, tied using the first retrieval information in the second retrieval Quadratic search is carried out in fruit, since the data volume of the second search result is small compared with the data volume in local data base, then can Improve the efficiency that the first retrieval information carries out quadratic search.
In order to become apparent from information retrieval scheme and its technical effect provided by the present application, next with multiple embodiments to it Concrete scheme is described in detail.
Step S220 second search result is cached into the step into local data base after, can also be to Two search results are filtered, to further increase the efficiency of quadratic search, it is preferred to use mode as shown in Figure 3 carries out:
S310 is retrieved in second search result according to scramble data, obtains third search result;
S320 is filtered second search result according to the third search result.
Specifically, before step S310, further includes: the corresponding decruption key of cryptographic calculation is obtained, according to decruption key Operation is decrypted, obtains scramble data.
Scheme provided in this embodiment carries out the second search result using scramble data and is filtered, and reduces by the second retrieval As a result data volume is further reduced retrieval time of the first retrieval information in the second search result, improves and obtains the first inspection The recall precision of hitch fruit.
In a kind of embodiment, step S220 second search result is cached the step into local data base it Before, following steps can also be carried out: obtain the attribute information of the local data base, according to the attribute information to described second Search result is filtered.
The purpose of the information filtering preferably filters out the information unrelated with the local data base information, and filter operation can To be carried out according to the attribute information of local data base, filter software can also be called to carry out.As being scientific research in local data base Data, attribute information are academic or scientific research, can be filtered out using scheme provided in this embodiment unrelated with scientific research or science Search result, such as advertisement unrelated with information to be retrieved, retain pure search result, are conducive to further increase acquisition user The efficiency of the target retrieval result of demand.
In one embodiment, the first retrieval information and scramble data are subjected to encryption fortune in the step S210 It before calculation, can also first be retrieved in the local database, the original search result in local data base, which is unsatisfactory for user, to be needed Step S210 is sought and then carries out, flow diagram as indicated at 4, specifically comprises the following steps:
S410 is retrieved in the local database using the first retrieval information, obtains original search result;
S420 obtains the matching degree of original search result with the first retrieval information;
S430 detects that the quantity for the search result for meeting preset condition in the original search result is lower than default threshold Value, the preset condition include with the matching degree of the first information to be retrieved in the first search result more than preset threshold.
Scheme provided in this embodiment is encrypted to the first retrieval information, to call third party's search engine to examine Before rope, the retrieval of local data base is carried out, if do not retrieve the search result for meeting preset condition in local data base, The scheme that step S210 is provided to step S230 is carried out again, wherein preset condition refers to the search result in original search result Matching degree with the first information to be retrieved is more than preset threshold.
The present embodiment further includes step S440, and the original search result meets preset condition, returns to original search result To user terminal.If the first search result retrieved in local data base has met preset threshold, the first retrieval is tied Fruit returns to user terminal, and retrieving terminates.
Scheme provided by the embodiments of the present application, before the retrieval information of carry out first is encrypted, first in local data It is retrieved in library, obtains original search result, the matching degree based on original search result and the first retrieval information is judged Whether quadratic search is carried out, the first retrieval information of preset condition is met for original search result, without carrying out quadratic search, The time cost for reducing retrieving, quickly returns to search result, and the first retrieval information under this kind of situation is by external malice The probability got is very little, further reduced the risk of the first retrieval information leakage.
In the present embodiment, the mode of the original search result of acquisition of step S420 and the matching degree of the first retrieval information has more Kind, the embodiment of the present application preferably obtains in the following way, and flow diagram is as shown in Figure 5.
S4201 parses the first retrieval information acquisition search key, obtains each search key according to semantics recognition Weight;
S4202 obtains original search result according to the search key for including in original search result and believes with the first retrieval The matching degree of breath.
Described first retrieval its semantic information of information acquisition is parsed, each search key, comparison are obtained according to semantics recognition The semantic information of the original search result and the first retrieval information, according to the registration of search key and original search result Obtain matching value between the two.The search key is completely covered in original search result, then original search result and first The matching degree for retrieving information is 100%.
If the first retrieval information is passage, picture or combinations thereof, parsing the first retrieval information acquisition retrieves sub-information, Retrieval sub-information can be keyword, and the weight of each retrieval sub-information is obtained according to preset rules, obtains the according to the weight The matching value of one retrieval information and original search result, such as the first retrieval information include retrieval sub-information A, B, C, D, wherein A, B Weight be respectively 55%, 20%, original search result first only covers retrieval sub-information A, and original search result second only covers inspection Large rope information B, then the matching value of settable original search result first, second and the first retrieval information is respectively 55%, 20%.
This programme is according to the first retrieval information and the matching value of original search result and the size of preset threshold, it is determined whether Call third party's search engine to carry out quadratic search to the second retrieval information, guarantee retrieving and search result safety, Fluency, without being called third party's search engine, reduces system energy consumption if matching value meets demand.
Step S210's carries out cryptographic calculation for the first retrieval information and scramble data, obtains the second retrieval information Step can obtain in the following way:
A, the scramble data of the first retrieval information is obtained;B, first retrieval is believed according to preset encryption key Breath and its scramble data carry out cryptographic calculation.
Wherein, the scramble data of the first retrieval information can obtain in the following way: obtain the first information to be retrieved Synonym, antonym, near synonym etc.;Random combine is carried out to the synonym, antonym, near synonym, obtains the first retrieval letter The scramble data of breath.
By being encrypted to the first retrieval information, can make by the first retrieval Information hiding in the second retrieval information The first retrieval information of user terminal input can not accurately be known by retrieving information by obtaining criminal, improved first and retrieved information Safety.
The step of corresponding first search result of first search result is obtained in step S230, can pass through such as lower section Formula carries out, and flow diagram is as shown in Figure 6.
S2301 obtains the matching degree of the first search result and the first retrieval information;
S2302 is ranked up according to matching degree of the matching degree to first search result, the after output sequence One search result.
When since the first search result being output to user terminal, user can look into according to the sequence of the first search result It sees, if being conducive to user's drop for forward position of sorting is placed in the highest search result of the matching degree of the first search result The low time for obtaining target retrieval result improves the efficiency for obtaining target retrieval result, therefore the application is tied by the first retrieval Fruit is pushed to before user terminal, it is also necessary to be ranked up to the first search result.
It, can be preferably using upper when the matching degree of the first search result of acquisition of the application S2301 and the first retrieval information The mode for stating matching degree between the original search result of embodiment offer and the first retrieval information obtains, according to the first retrieval information Retrieval sub-information, relationship between such as search key, with the first search result obtains the first search result and the first retrieval Matching degree between information is arranged according to the sequence of matching degree from high to low, is output to according to the first search result after sequence User terminal.
It is provided by the embodiments of the present application first search result is ranked up after the mode that exports, it is quick to be conducive to user terminal Accurately target retrieval is obtained as a result, reducing the time that user terminal obtains target retrieval result, avoids the mesh due to user demand It is retrieved again caused by mark search result sequence rearward, advantageously reduces system energy consumption.
The above are the embodiments of information retrieval method provided by the present application, are directed to this method, and the embodiment of the present application is also right A kind of information indexing device should be provided, the embodiment of information indexing device is described below.
The embodiment of the present application also provides a kind of information indexing devices, including encrypting module, cache module, quadratic search mould Block, specific configuration information are as follows:
Encrypting module, for obtaining the first retrieval information of user's input, by the first retrieval information and scramble data Cryptographic calculation is carried out, the second retrieval information is obtained;
Cache module, for calling second retrieval the second search result of information acquisition described in third party's search engine retrieving, And second search result is cached into local data base;
Quadratic search module, for retrieving information in the second search result of the local data base according to described first Quadratic search is carried out, corresponding first search result of the first retrieval information is obtained.
About the information indexing device in above-described embodiment, wherein modules, unit have executed the concrete mode of operation It is described in detail in the embodiment of the method, no detailed explanation will be given here.
Further, the embodiment of the present application also provides a kind of computer readable storage medium, is stored thereon with computer and refers to It enables, which realizes information retrieval method described in above-mentioned any one when being executed by processor.Wherein, the storage Medium includes but is not limited to any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read- Only Memory, read-only memory), RAM (Random AcceSS Memory, immediately memory), EPROM (EraSable Programmable Read-Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically EraSable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory), flash memory, magnetic card Or light card.It is, storage medium includes the form storage or transmission information by equipment (for example, computer) can read Any medium.It can be read-only memory, disk or CD etc..
Further, the embodiment of the present application also provides a kind of computer equipment, and the computer equipment includes:
One or more processors;
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processing Device realizes information retrieval method described in above-mentioned any one.
Fig. 7 is a kind of block diagram for computer equipment 700 shown according to an exemplary embodiment.For example, computer Equipment 700 may be provided as a server.Referring to Fig. 7, computer equipment 700 includes processing component 722, further comprises One or more processors, and the memory resource as representated by memory 732, can be by processing component 722 for storing The instruction of execution, such as application program.The application program stored in memory 732 may include one or more each A module for corresponding to one group of instruction.In addition, processing component 722 is configured as executing instruction, to execute above- mentioned information retrieval side The step of method.
Computer equipment 700 can also include that a power supply module 726 is configured as executing the power supply of computer equipment 700 Management, a wired or wireless network interface 750 is configured as computer equipment 700 being connected to network and an input is defeated (I/O) interface 758 out.Computer equipment 700 can be operated based on the operating system for being stored in memory 732, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
It should be understood that although each step in the flow chart of attached drawing is successively shown according to the instruction of arrow, These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps Execution there is no stringent sequences to limit, can execute in the other order.Moreover, at least one in the flow chart of attached drawing Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps Completion is executed, but can be executed at different times, execution sequence, which is also not necessarily, successively to be carried out, but can be with other At least part of the sub-step or stage of step or other steps executes in turn or alternately.
It should be understood that can be integrated in a processing module in each functional unit in each embodiment of the application, It can be physically existed alone, can also be integrated in two or more units in a module with each unit.It is above-mentioned integrated Module both can take the form of hardware realization, can also be realized in the form of software function module.
The above is only some embodiments of the application, it is noted that for the ordinary skill people of the art For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered It is considered as the protection scope of the application.

Claims (10)

1. a kind of information retrieval method characterized by comprising
The first retrieval information and scramble data are carried out cryptographic calculation, obtained by the first retrieval information for obtaining user's input Second retrieval information;
Second retrieval the second search result of information acquisition described in third party's search engine retrieving is called, and second retrieval is tied Fruit caches into local data base;
Quadratic search is carried out in the second search result of the local data base according to the first retrieval information, is obtained described Corresponding first search result of first retrieval information.
2. information retrieval method according to claim 1, which is characterized in that it is described by second search result cache to After step in local data base, further includes:
It is retrieved in second search result according to the scramble data, obtains third search result, according to described Three search results are filtered second search result.
3. information retrieval method according to claim 2, which is characterized in that described to retrieve information by described first and obscure Information carried out before the step of cryptographic calculation, further includes:
It is retrieved in the local database using the first retrieval information, obtains original search result;
Obtain the matching degree of original search result with the first retrieval information;
Detect that the quantity for the search result for meeting preset condition in the original search result is lower than preset threshold, it is described default Condition includes with the matching degree of the first information to be retrieved in original search result more than preset threshold.
4. information retrieval method according to claim 3, which is characterized in that it is described obtain original search result with it is to be retrieved The step of matching degree of information, comprising:
The first retrieval information acquisition search key is parsed, the weight of each search key is obtained according to semantics recognition;
The matching degree of original search result with the first retrieval information is obtained according to the search key for including in original search result.
5. information retrieval method according to claim 1, which is characterized in that described to retrieve information by described first and obscure Information carries out the step of cryptographic calculation, comprising:
Obtain the scramble data of the first retrieval information;
Cryptographic calculation is carried out to the first retrieval information and its scramble data according to preset encryption key.
6. information retrieval method according to claim 1, which is characterized in that described to obtain the first retrieval information correspondence The first search result the step of, comprising:
Obtain the matching degree of the first search result and the first retrieval information;
It is ranked up according to matching degree of the matching degree to first search result, the first retrieval knot after output sequence Fruit.
7. information retrieval method according to claim 1, which is characterized in that it is described by second search result cache to Before step in local data base, further includes:
The attribute information for obtaining the local data base is filtered second search result according to the attribute information.
8. a kind of information indexing device characterized by comprising
Encrypting module carries out the first retrieval information and scramble data for obtaining the first retrieval information of user's input Cryptographic calculation obtains the second retrieval information;
Cache module, for calling second retrieval the second search result of information acquisition described in third party's search engine retrieving, and will Second search result is cached into local data base;
Quadratic search module, for being carried out in the second search result of the local data base according to the first retrieval information Quadratic search obtains corresponding first search result of the first retrieval information.
9. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing computer Instruction, when run on a computer, allows computer to execute letter described in any one of the claims 1 to 7 The step of ceasing search method.
10. a kind of computer equipment, which is characterized in that the computer equipment includes:
One or more processors;
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real Now the step of information retrieval method as claimed in any of claims 1 to 7 in one of claims.
CN201910075588.XA 2019-01-25 2019-01-25 Information retrieval method, device, storage medium and computer equipment Pending CN109885762A (en)

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