阅读说明：本技术 基于自然语言识别的移动政务系统 (Mobile government affair system based on natural language identification ) 是由 周宏文 李柏林 马小明 周安强 李晶 张建 刘佳川 黎欢 万斯奇 胡源 侯伟 于 2021-08-13 设计创作，主要内容包括：本发明提出了一种基于自然语言识别的移动政务系统,包括校验模块、检索码模块和展示模块；所述校验模块用于获取待使用政务平台用户的校验信息,该校验信息包括政务用户名和政务密码；校验成功后,进入检索码模块；校验不成功,则对待使用政务平台的用户进行校验信息重新校验；检索码模块用于获取检索码,利用获取的检索码得到检索结果；展示模块用于将检索结果按照对比度进行排列展现在展示设备上。本发明能够免密校验登录保护实际用户名和实际密码的安全,提升用户的体验；以及通过语音检索增强可操作化效率。(The invention provides a mobile government affair system based on natural language identification, which comprises a verification module, a retrieval code module and a display module; the checking module is used for acquiring checking information of a user to use the government affair platform, wherein the checking information comprises a government affair user name and a government affair password; after the verification is successful, entering a retrieval code module; if the verification is unsuccessful, verifying the verification information of the user to use the government affair platform again; the retrieval code module is used for acquiring a retrieval code and obtaining a retrieval result by utilizing the acquired retrieval code; and the display module is used for arranging and displaying the retrieval results on the display equipment according to the contrast. The invention can avoid secret check login to protect the safety of the actual user name and the actual password and improve the user experience; and enhancing operational efficiency through speech retrieval.)

1. A mobile government affair system based on natural language identification is characterized by comprising a checking module, a retrieval code module and a display module;

the checking module is used for acquiring checking information of a user to use the government affair platform, wherein the checking information comprises a government affair user name and a government affair password; after the verification is successful, entering a retrieval code module; if the verification is unsuccessful, verifying the verification information of the user to use the government affair platform again;

the retrieval code module is used for acquiring a retrieval code and obtaining a retrieval result by utilizing the acquired retrieval code;

and the display module is used for arranging and displaying the retrieval results on the display equipment according to the contrast.

2. The mobile government system based on natural language identification according to claim 1, wherein the checking module comprises the steps of:

s11, judging whether the login is a password-free login:

if the login is secret-free, executing the next step;

if the login is not password-free, filling an actual user name and an actual password in a government affair user name filling box and a government affair password filling box; step S13 is executed;

s12, extracting the stored user name and the stored password stored in the display equipment; processing the extracted stored user name and the stored password to obtain an actual user name and an actual password thereof;

s13, uploading the actual user name or/and the actual password to obtain an uploaded user name and an uploaded password; uploading the obtained uploading user name, the uploading password and the unique ID code of the mobile handheld intelligent terminal to a government affair platform;

s14, the government affair platform processes the received uploaded user name and uploaded password to obtain the user name and the password of the government affair platform; the method for the government affair platform to process the received uploaded user name to obtain the user name of the government affair platform comprises the following steps:

decoding the received uploaded user name by using a private key of the government affair platform to obtain the user name of the government affair platform;

the method for the government affair platform to process the received uploaded password to obtain the password of the government affair platform comprises the following steps:

decoding the received uploaded password by using a private key of the government affair platform to obtain a password of the government affair platform; carrying out hash processing on the obtained government affair platform password to obtain a government affair list password;

s15, judging whether the government affair platform user name and the government affair platform password are the same as the government affair user name and the government affair list password stored on the government affair platform:

s151, extracting a government affair user name list stored on a government affair platform, wherein the government affair user name list comprises all government affair user names, each government affair user name corresponds to a unique government affair password list, and the government affair password list comprises one or more government affair list passwords; judging whether the government affair platform user name exists in a government affair user name list:

if the government affair platform user name exists in the government affair user name list, executing the next step;

if the government affair platform user name does not exist in the government affair user name list, returning to the step S11, and filling the actual user name and the actual password in the government affair user name filling box and the government affair password filling box; step S13 is executed;

s152, judging whether the government affair platform password exists in a government affair password list corresponding to the government affair platform user name:

if the government affair platform password exists in a government affair password list corresponding to the government affair platform user name, the verification is successful; logging in the government affair platform successfully;

if the government affair platform password does not exist in the government affair password list corresponding to the government affair platform user name, the verification is unsuccessful, the step S11 is returned, and the actual user name and the actual password are filled in the government affair user name filling frame and the government affair password filling frame; step S13 is executed.

3. A mobile government system based on natural language identification according to claim 2, wherein the method for forming the government code list in step S151 comprises the steps of:

s1511, judging whether it is the first login on the mobile handheld intelligent terminal:

if the mobile handheld intelligent terminal logs in for the first time, executing the next step;

if the mobile handheld intelligent terminal is not logged in for the first time, executing step S152;

s1512, judging whether the government affair platform password is consistent with the originally stored government affair password corresponding to the government affair platform user name:

if the government affair platform password is consistent with the originally stored government affair password corresponding to the government affair platform user name, the verification is successful, and a verification code is sent to the mobile phone number bound to the actual user name; executing the next step;

if the government affair platform password is not consistent with the originally stored government affair password corresponding to the government affair platform user name, returning to the step S11, and filling the actual user name and the actual password in the government affair user name filling frame and the government affair password filling frame; step S13 is executed;

s1513, judge the authentication code that the government affair platform receives and the mobile phone number that the government affair platform binds to its actual user name send the authentication code unanimously:

if the verification code received by the government affair platform is consistent with the verification code sent by the government affair platform to the mobile phone number bound by the actual user name of the government affair platform, writing the government affair list password into a government affair password list; logging in the government affair platform successfully;

if the verification code received by the government affair platform is inconsistent with the verification code sent by the government affair platform to the mobile phone number bound by the actual user name of the government affair platform, the government affair platform receives the verification code sent by the mobile handheld intelligent terminal again, and the step S1513 is returned; and if the verification code is input incorrectly for three times continuously, locking the mobile handheld intelligent terminal, and not receiving the verification code sent by the mobile handheld intelligent terminal within the time T.

4. The mobile government system based on natural language identification according to claim 1, wherein the search code module comprises the steps of:

s21, determining whether it has received the search voice trigger signal:

if a retrieval voice trigger signal is received, the mobile handheld intelligent terminal collects a first voice and a second voice; executing the next step;

if the retrieval voice trigger signal is not received, continuing to wait, and returning to the step S21;

s22, removing the first voice obtained in the step S21 from the second voice obtained in the step S21 to obtain the retrieval voice;

s23, the search speech obtained in step S22 is converted into voice to obtain the search code.

5. The mobile government system based on natural language identification according to claim 1, wherein the calculation method of the contrast in the exhibition module is:

wherein, w_bRepresenting the weighted value occupied by the b-th keyword;

||B_ii represents the total number of the keywords in the retrieval result i;

||B_j| | represents the total number of keywords in the retrieval result j;

indicating the number of times the b-th keyword appears in the search result i and the search result j, indicating the number of times the b-th keyword appears in the search result i,representing the number of times of occurrence of the b-th keyword in the retrieval result j;

wherein, U_ijRepresenting the contrast of the retrieval result i and the retrieval result j;

∩_ithe contrast of the retrieval result i is represented;

and displaying the retrieval results on the display equipment in an arrangement mode according to the contrast from large to small.

Technical Field

The invention relates to the technical field of government affair platforms, in particular to a mobile government affair system based on natural language identification.

Background

With the high promotion of informatization construction, electronic government affairs are listed as the first place, and the electronic government affairs refer to that government organizations transfer the management and service functions to the network to complete by using modern computers and network technologies, and simultaneously realize the recombination optimization of government organization structures and work flows, surpass the restriction of time, space and division of departments, and provide high-efficiency, high-quality, standard, transparent and omnibearing management and service for the whole society. The electronic government affair platform aims to establish a one-stop government affair service system through data sharing under the guarantee of advanced technology, however, electronic informatization of government affairs also brings information security problems to government affair information, and particularly for government affair information, the security of information is very important. Patent application No. 2019105374511, the name "government affair cloud platform security reinforcement system", including server, communication module, security scanning module, vulnerability analysis processing module, data processing module, resource allocation module and database, server and communication module, security scanning module, vulnerability analysis processing module, data processing module, resource allocation module and database electric connection, government affair cloud platform security reinforcement system's implementation method includes following step: communication, security scanning, vulnerability analysis processing, platform detection and resource allocation; this government affair cloud platform safety reinforcement system reasonable in design, utilization computing resource that can be reasonable for the government affair platform provides calculation service, alleviates government affair platform pressure, and the practicality is high.

Disclosure of Invention

The invention aims to solve at least the technical problems in the prior art, and particularly creatively provides a mobile government affair system based on natural language recognition.

In order to achieve the above object, the present invention provides a mobile government affair system based on natural language identification, which comprises a checking module, a search code module and a display module;

the checking module is used for acquiring checking information of a user to use the government affair platform, wherein the checking information comprises a government affair user name and a government affair password; after the verification is successful, entering a retrieval code module; if the verification is unsuccessful, verifying the verification information of the user to use the government affair platform again;

the retrieval code module is used for acquiring a retrieval code and obtaining a retrieval result by utilizing the acquired retrieval code;

and the display module is used for arranging and displaying the retrieval results on the display equipment according to the contrast.

In a preferred embodiment of the present invention, the verification module comprises the following steps:

s11, judging whether the login is a password-free login:

if the login is secret-free, executing the next step;

if the login is not password-free, filling an actual user name and an actual password in a government affair user name filling box and a government affair password filling box; step S13 is executed;

s12, extracting the stored user name and the stored password stored in the display equipment; processing the extracted stored user name and the stored password to obtain an actual user name and an actual password thereof;

s13, uploading the actual user name or/and the actual password to obtain an uploaded user name and an uploaded password; uploading the obtained uploading user name, the uploading password and the unique ID code of the mobile handheld intelligent terminal to a government affair platform;

s14, the government affair platform processes the received uploaded user name and uploaded password to obtain the user name and the password of the government affair platform; the method for the government affair platform to process the received uploaded user name to obtain the user name of the government affair platform comprises the following steps:

decoding the received uploaded user name by using a private key of the government affair platform to obtain the user name of the government affair platform;

s15, judging whether the government affair platform user name and the government affair platform password are the same as the government affair user name and the government affair list password stored on the government affair platform:

s151, extracting a government affair user name list stored on a government affair platform, wherein the government affair user name list comprises all government affair user names, each government affair user name corresponds to a unique government affair password list, and the government affair password list comprises one or more government affair list passwords; judging whether the government affair platform user name exists in a government affair user name list:

if the government affair platform user name exists in the government affair user name list, executing the next step;

if the government affair platform user name does not exist in the government affair user name list, returning to the step S11, and filling the actual user name and the actual password in the government affair user name filling box and the government affair password filling box; step S13 is executed;

s152, judging whether the government affair platform password exists in a government affair password list corresponding to the government affair platform user name:

if the government affair platform password exists in a government affair password list corresponding to the government affair platform user name, the verification is successful; logging in the government affair platform successfully;

if the government affair platform password does not exist in the government affair password list corresponding to the government affair platform user name, the verification is unsuccessful, the step S11 is returned, and the actual user name and the actual password are filled in the government affair user name filling frame and the government affair password filling frame; step S13 is executed.

In a preferred embodiment of the present invention, the method of constructing the government affair code list in step S151 includes the steps of:

s1511, judging whether it is the first login on the mobile handheld intelligent terminal:

if the mobile handheld intelligent terminal logs in for the first time, executing the next step;

if the mobile handheld intelligent terminal is not logged in for the first time, executing step S152;

s1512, judging whether the government affair platform password is consistent with the originally stored government affair password corresponding to the government affair platform user name:

if the government affair platform password is consistent with the originally stored government affair password corresponding to the government affair platform user name, the verification is successful, and a verification code is sent to the mobile phone number bound to the actual user name; executing the next step;

if the government affair platform password is not consistent with the originally stored government affair password corresponding to the government affair platform user name, returning to the step S11, and filling the actual user name and the actual password in the government affair user name filling frame and the government affair password filling frame; step S13 is executed;

s1513, judge the authentication code that the government affair platform receives and the mobile phone number that the government affair platform binds to its actual user name send the authentication code unanimously:

if the verification code received by the government affair platform is consistent with the verification code sent by the government affair platform to the mobile phone number bound by the actual user name of the government affair platform, writing the government affair list password into a government affair password list; logging in the government affair platform successfully;

if the verification code received by the government affair platform is inconsistent with the verification code sent by the government affair platform to the mobile phone number bound by the actual user name of the government affair platform, the government affair platform receives the verification code sent by the mobile handheld intelligent terminal again, and the step S1513 is returned; and if the verification code is input incorrectly for three times continuously, locking the mobile handheld intelligent terminal, and not receiving the verification code sent by the mobile handheld intelligent terminal within the time T.

In a preferred embodiment of the present invention, the search code module comprises the following steps:

s21, determining whether it has received the search voice trigger signal:

if a retrieval voice trigger signal is received, the mobile handheld intelligent terminal collects a first voice and a second voice; executing the next step;

if the retrieval voice trigger signal is not received, continuing to wait, and returning to the step S21;

s22, removing the first voice obtained in the step S21 from the second voice obtained in the step S21 to obtain the retrieval voice;

s23, the search speech obtained in step S22 is converted into voice to obtain the search code.

In a preferred embodiment of the present invention, the method for calculating the contrast in the display module comprises:

wherein, w_bRepresenting the weighted value occupied by the b-th keyword;

||B_ii represents the total number of the keywords in the retrieval result i;

||B_j| | represents the total number of keywords in the retrieval result j;

σ_wbindicating the number of times the b-th keyword appears in the search result i and the search result j,indicating the number of times the b-th keyword appears in the search result i,representing the number of times of occurrence of the b-th keyword in the retrieval result j;

wherein, U_ijRepresenting the contrast of the retrieval result i and the retrieval result j;

∩_ithe contrast of the retrieval result i is represented;

and displaying the retrieval results on the display equipment in an arrangement mode according to the contrast from large to small.

In conclusion, due to the adoption of the technical scheme, the security of the actual user name and the actual password can be protected by login without password verification, and the user experience is improved; and enhancing operational efficiency through speech retrieval.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic block diagram of the connection of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The invention provides a mobile government affair system based on natural language identification, which comprises a verification module, a retrieval code module and a display module, wherein the verification module is used for verifying the mobile government affair system based on natural language identification;

the checking module is used for acquiring checking information of a user to use the government affair platform, wherein the checking information comprises a government affair user name and a government affair password; after the verification is successful, entering a retrieval code module; if the verification is unsuccessful, verifying the verification information of the user to use the government affair platform again;

the retrieval code module is used for acquiring a retrieval code and obtaining a retrieval result by utilizing the acquired retrieval code;

and the display module is used for arranging and displaying the retrieval results on the display equipment according to the contrast.

In a preferred embodiment of the present invention, the verification module comprises the following steps:

s11, judging whether the login is a password-free login:

if the login is secret-free, executing the next step;

if the login is not password-free, filling an actual user name and an actual password in a government affair user name filling box and a government affair password filling box; step S13 is executed;

s12, extracting a stored user name and a stored password stored in the display equipment (the mobile handheld intelligent terminal); the method for obtaining the stored user name stored in the display equipment comprises the following steps: extracting the actual user name input in the government affair user name filling box, encrypting the actual user name by using a private key of a government affair platform user to obtain an encrypted user name of the actual user name, and encrypting the obtained encrypted user name by using a secret key to obtain a stored user name of the encrypted user name; the method for obtaining the storage password stored in the display equipment comprises the following steps: extracting the actual password input in the government affair password filling frame, encrypting the actual password by using a private key of a government affair platform user to obtain an encrypted password of the actual password, and encrypting the obtained encrypted password by using a secret key to obtain a stored password of the actual password; and storing the obtained stored user name and the stored password corresponding to the stored user name on the mobile handheld intelligent terminal. Processing the extracted stored user name and the stored password to obtain an actual user name and an actual password thereof; the method for processing the extracted stored user name to obtain the actual user name comprises the following steps:

decrypting the stored user name by using a key of a government affair platform user to obtain a decrypted user name; carrying out decryption again on the obtained decrypted user name by using a private key of a government affair platform user to obtain an actual user name of the user;

the method for processing the extracted storage password to obtain the actual password comprises the following steps:

decrypting the stored password by using a secret key of a government affair platform user to obtain a decrypted password; the obtained decryption password is decrypted again by using a private key of a government affair platform user to obtain an actual password of the decryption password;

s13, uploading the actual user name or/and the actual password to obtain an uploaded user name and an uploaded password; uploading the obtained uploading user name, the uploading password and the unique ID code of the mobile handheld intelligent terminal to a government affair platform; the method for pre-processing the uploading of the actual user name to obtain the uploaded user name comprises the following steps:

encrypting the actual user name by using a private key of a government platform user to obtain an encrypted user name of the actual user name, and encrypting the obtained encrypted user name by using a public key of the government platform to obtain an uploaded user name;

the method for uploading the actual password to obtain the uploaded password comprises the following steps:

encrypting the actual password by using a private key of a government platform user to obtain an encrypted password, and encrypting the obtained encrypted password again by using a public key of the government platform to obtain an uploaded password;

s14, the government affair platform processes the received uploaded user name and uploaded password to obtain the user name and the password of the government affair platform; the method for the government affair platform to process the received uploaded user name to obtain the user name of the government affair platform comprises the following steps:

decoding the received uploaded user name by using a private key of the government affair platform to obtain the user name of the government affair platform;

the method for the government affair platform to process the received uploaded password to obtain the password of the government affair platform comprises the following steps:

decoding the received uploaded password by using a private key of the government affair platform to obtain a password of the government affair platform; hash processing is carried out on the obtained government affair platform passwords to obtain the government affair list passwords, and the method for obtaining the government affair list passwords comprises the following steps:

secret code_ID＝Hash algorithm[password code-ID]，

wherein secret code_IDRepresenting a government affair list password;

hash algorithms [ ] represents Hash processing and adopts an MD5 algorithm;

password code represents a government platform password;

-representing a string connector;

the ID represents a unique ID code of the mobile handheld intelligent terminal, and comprises one or any combination of an ID code of a random memory, an ID code of a read-only memory, an ID code of a central processing unit, an ID code of Bluetooth and an ID code of WiFi;

s15, judging whether the government affair platform user name and the government affair platform password are the same as the government affair user name and the government affair list password stored on the government affair platform:

s151, extracting a government affair user name list stored on a government affair platform, wherein the government affair user name list comprises all government affair user names, each government affair user name corresponds to a unique government affair password list, and the government affair password list comprises one or more government affair list passwords; judging whether the government affair platform user name exists in a government affair user name list:

if the government affair platform user name exists in the government affair user name list, executing the next step;

if the government affair platform user name does not exist in the government affair user name list, returning to the step S11, and filling the actual user name and the actual password in the government affair user name filling box and the government affair password filling box; step S13 is executed;

s152, judging whether the government affair platform password exists in a government affair password list corresponding to the government affair platform user name:

if the government affair platform password exists in a government affair password list corresponding to the government affair platform user name, the verification is successful; logging in the government affair platform successfully;

if the government affair platform password does not exist in the government affair password list corresponding to the government affair platform user name, the verification is unsuccessful, the step S11 is returned, and the actual user name and the actual password are filled in the government affair user name filling frame and the government affair password filling frame; step S13 is executed.

In a preferred embodiment of the present invention, the method of constructing the government affair code list in step S151 includes the steps of:

s1511, judging whether it is the first login on the mobile handheld intelligent terminal:

if the mobile handheld intelligent terminal logs in for the first time, executing the next step;

if the mobile handheld intelligent terminal is not logged in for the first time, executing step S152;

s1512, judging whether the government affair platform password is consistent with the originally stored government affair password corresponding to the government affair platform user name:

if the government affair platform password is consistent with the originally stored government affair password corresponding to the government affair platform user name, the verification is successful, and a verification code is sent to the mobile phone number bound to the actual user name; executing the next step;

if the government affair platform password is not consistent with the originally stored government affair password corresponding to the government affair platform user name, returning to the step S11, and filling the actual user name and the actual password in the government affair user name filling frame and the government affair password filling frame; step S13 is executed;

s1513, judge the authentication code that the government affair platform receives and the mobile phone number that the government affair platform binds to its actual user name send the authentication code unanimously:

if the verification code received by the government affair platform is consistent with the verification code sent by the government affair platform to the mobile phone number bound by the actual user name of the government affair platform, writing the government affair list password into a government affair password list; logging in the government affair platform successfully;

if the verification code received by the government affair platform is inconsistent with the verification code sent by the government affair platform to the mobile phone number bound by the actual user name of the government affair platform, the government affair platform receives the verification code sent by the mobile handheld intelligent terminal again, and the step S1513 is returned; and if the verification code is input incorrectly for three times continuously, locking the mobile handheld intelligent terminal, and not receiving the verification code sent by the mobile handheld intelligent terminal within the time T.

In a preferred embodiment of the present invention, in step S1512, the verification code is to intercept four consecutive digits in the mobile phone number, and the display device is prompted to intercept the positions of the four consecutive digits in the mobile phone number.

In a preferred embodiment of the present invention, the search code module comprises the following steps:

s21, determining whether it has received the search voice trigger signal:

if a retrieval voice trigger signal is received, the mobile handheld intelligent terminal collects a first voice and a second voice; executing the next step; the first voice is environmental noise generated in the environment, and the second voice is voice generated by the environment and the user together.

If the retrieval voice trigger signal is not received, continuing to wait, and returning to the step S21;

s22, removing the first voice obtained in the step S21 from the second voice obtained in the step S21 to obtain the retrieval voice; the method for obtaining the retrieval voice comprises the following steps:

s221, obtaining a voice section with the highest frequency of occurrence in the first voice, and taking the voice section as a third voice;

s222, acquiring the duration of the second voice and recording the duration as Ts; and acquiring the time length of the third voice and recording the time length as T₀s; s is time unit second;

s223, connecting the V-segment third voice to obtain the screened voice, wherein V is int (Ts/T)₀s)；

S224, S ═ a (t) -r (t) is calculated, a (t) represents the time-amplitude waveform function of the second speech, r (t) represents the time-amplitude waveform function of the filtered speech, and S represents the retrieved speech.

S23, the search speech obtained in step S22 is converted into voice to obtain the search code.

In a preferred embodiment of the present invention, in step S23, the method for converting the search speech into the search code includes the steps of:

s231, dividing the Search voice into alpha segments of Search sub-voices according to the time sequence,int () represents a rounding function, T represents the total duration of the Search voice, s is time unit second, T represents the duration of each segment of Search sub-voice, ms represents time unit millisecond, if represents a condition, Z⁺A set of positive integers is represented, which,representing not belonging, e represents belonging; search voice for 1 st Search sub-voices respectively₁2 nd Search sub-speech Search voice₂3 rd Search sub-speech Search voice₃… …, Search voice of alpha Search_αWherein the beta Search sub-voice Search voice_βRepresenting Search voice scores from Search voices

A retrieval sub-speech from time (β -1) tms to β tms, β being 1,2,3, …, α;then the alpha Search sub-voice Search voice_αRepresents a Search sub-speech obtained by separating time (alpha-1) tms-Ts from Search speech, i.e. Search speech₁-Search voice₂-Search voice₃-…-Search voice_α(ii) a -representing a retrieve sub-speech connector;

s232, acquiring the voice minimum wave valley value and the voice maximum wave peak value of the voice Search voice retrieved in the step S231; the method for calculating the fluctuation value range of the Search voice comprises the following steps:

wherein, χ_{Search voice}Representing the fluctuation value range of the Search voice;

δ_maxrepresenting the maximum wave peak value of the voice in the Search voice;

δ_minrepresenting the lowest valley value of the voice in the Search voice;

[, ] denotes the interval range;

indicating that a condition exists;

s233, searching the fluctuation range x of the voice Search voice_{Search voice}Averagely dividing the wave into epsilon wave units, wherein epsilon is a positive integer greater than or equal to 2 and is respectively a 1 st wave unit, a 2 nd wave unit, a 3 rd wave unit, … … and an epsilon-th wave unit, and phi is used for changing the wave units from left to right₀、φ₁、φ₂、φ₃、……、φ_εDivision point, phi, representing the range of fluctuation values of the Search voice_η-1～φ_ηRepresents the unit of the η fluctuation, η ═ 1,2,3, … …, ε; division point phi_ηIs greater than the division point phi_η-1The value of (d);

s234, dividing the point phi₀、φ₁、φ₂、φ₃、……、φ_εUsing respectively epsilon-bit binary valuesDenotes phi_ζThe corresponding binary numerical values have zeta value 1 and epsilon-zeta value 0 from the head end to the tail end, and zeta is 0, 1,2, … … and epsilon;

s235, judging the Search voice of the beta-th Search sub-voice in the step S231_βDividing points on the nearest fluctuation unit, and representing the Search voice of the beta-th Search by binary values corresponding to the dividing points on the nearest fluctuation unit_β；

S236, the Search code is obtained after the Search voice is converted through steps S231 to S235.

In a preferred embodiment of the present invention, the method for calculating the contrast in the display module comprises:

wherein τ represents an adjustment parameter;

||B_ij| | represents the total number of the same keywords in the retrieval result i and the retrieval result j; 1,2,3, … …, g, 1,2,3, … …, g, i ≠ j; g represents the total number of search results;

w_brepresenting the weighted value occupied by the b-th keyword;

||B_ii represents the total number of the keywords in the retrieval result i; exp (| B)_ij| |) is equivalent toe represents a natural base number;

||B_j| | represents the total number of keywords in the retrieval result j; exp (| B)_i||+||B_j| |) is equivalent to

Indicating the number of times the b-th keyword appears in the search result i and the search result j,indicating the number of times the b-th keyword appears in the search result i,representing the number of times of occurrence of the b-th keyword in the retrieval result j;

wherein, U_ijRepresentation retrievalThe contrast of the result i and the retrieval result j;

∩_ithe contrast of the retrieval result i is represented;

and displaying the retrieval results on the display equipment in an arrangement mode according to the contrast from large to small.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.