CN106227811A - A kind of government portals information sharing service system - Google Patents

Abstract

One government portals information sharing service system of the present invention, including site information display system and service system, site information publisher's grouping module, for being grouped site information publisher；Position determination module relatively, for determining the relative position of the site information publisher with group；Neighbours determine module, for determining each site information publisher neighbours with group according to the relative position of site information publisher；Display module, shows its site information issued with the neighbours of group in the site information displayed page of site information publisher.

Description

A kind of government portals information sharing service system

Technical field

The present invention relates to government affairs service field, be specifically related to a kind of government portals information sharing service system.

Background technology

Along with the development of information technology and popularizing of the Internet, data are explosive growth, and government portals is open Information also get more and more.At present to government portals information sharing service system also in the starting stage, how efficient real The information sharing of portal website of present government is urgently studied.

Summary of the invention

For the problems referred to above, the present invention provides a kind of government portals information sharing service system.

The purpose of the present invention realizes by the following technical solutions:

A kind of government portals information sharing service system, including site information display system and service system, website Information publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining same group of each site information publisher according to the relative position of site information publisher Neighbours；

Display module, shows what it was issued with the neighbours of group in the site information displayed page of site information publisher Site information.

Preferably, described site information publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

Preferably, described relative position determination module includes:

Sequencing unit, for sorting site information publisher, determines the phase of site information publisher according to ranking results To position.

The invention have the benefit that

1, configuration information sharing service platform, efficiently solves the pressure concentration that centralized service management causes, takes in a large number Business is difficult to the problems such as management；

2, configuration information memory module, it uses cloud storage system to be encrypted the storage of rear data, it is not necessary to understand tool The storing device information of body, it is not necessary to consider the problem such as data backup and redundancy, saved time cost and carrying cost；

3, arrange classification of service management module, by create service catalogue, solve conventional retrieval rate low and expend The problem of time length；

4, service-seeking retrieval module is set, uses vector index algorithm, improve retrieval accuracy, it is achieved that Service name Claim the retrieval matched with service function；

Data are encrypted place by data safe processing layer and data service layer by 5, configuration information safety service platform Reason, improves information security degree；

6, access safety control module is set in Platform deployment layer, substantially increases the big data management system of information security Safety.

Accompanying drawing explanation

The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to the following drawings Other accompanying drawing.

Fig. 1 is the site information display system schematics of the present invention.

Fig. 2 is the service system structure connection diagram of the present invention.

Reference: platform interface layer-10；Platform management layer 20；Platform deployment layer 30；Data safe processing layer 40；Number According to service layer 50；Information storage module 21；Classification of service module 22；Service-seeking retrieval module 23；Access safety control module 31。

Detailed description of the invention

The invention will be further described with the following Examples.

Embodiment 1

See Fig. 1, Fig. 2, a kind of government portals information sharing service system of the present embodiment, show including site information Showing system and service system, site information publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining same group of each site information publisher according to the relative position of site information publisher Neighbours；

Display module, shows what it was issued with the neighbours of group in the site information displayed page of site information publisher Site information.

Preferably, described site information publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

Preferably, described relative position determination module includes:

Sequencing unit, for sorting site information publisher, determines the phase of site information publisher according to ranking results To position.

Preferably, service system includes information sharing service platform and information security services platform, and described information sharing takes Business platform includes that platform interface layer 10, platform management layer 20 and platform deployment tier 30, described information security services platform include number According to safe handling layer 40 and data service layer 50；

Described platform interface layer 10 is by externally providing unified interface, it is achieved user carry out the issue of data, inquiry and Obtain；

Described platform management layer 20 is for managing by the data after data safe processing resume module, including be sequentially connected with Information storage module 21, classification of service management module 22 and service query and search module 23:

(1) information storage module 21, it uses cloud storage system to be encrypted the storage of rear data, forms virtual storage Resource pool also coordinates configuration storage resource；

(2) classification of service management module 22, for the service with similar features being classified and forming service catalogue, The algorithm used is:

It is provided with services set F={f₁,…,f_n, m the attribute of each service in services set describes, then have i_i= (f_i1,…,f_im), f_i∈R^m, wherein, R represents real number, and the span of m is [4,8], i=1 ..., n；

Step1 determines cluster number k, randomly chooses k object { t₁,…,t_kAs cluster centre, then there is t_j= (t_j1,…,t_jm), t_j∈R^m, wherein, j=1 ..., k；

Step2 is for each service f_i, calculate its corresponding classification:

$c_i=\arg \underset{j}{\max }\frac{{\Σ}_{l=1}^m(f_{il}\×t_{jl})}{\sqrt{{\Σ}_{l=1}^m{f}_{il}^2}\×\sqrt{{\Σ}_{l=1}^m{t}_{il}^2}}$

In formula, c_iRepresent service f_iThe class closest with k apoplexy due to endogenous wind, as the c meeting condition_iMore than one, then service f_i The most corresponding multiple classification；

Step3, for each cluster j, recalculates such cluster centre:

When the service contained in cluster j is all pertaining only to a class, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

When cluster j has service to belong simultaneously to w classification, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i-{\Σ}_{i=1}^n\frac{w-1}{w}\{c_i=j_w\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

In formula, { c_i=j} represents the service corresponding to clustering j, { c_i=j_wExpression service is simultaneously corresponding to w cluster, its In 2≤w≤k；

Step4 repeats step2 and step3, front and back distance d=of twice cluster centre | | t_{After j}-t_{Before j}| |, t_{After j}After for once Cluster centre, t_{Before j}For a front cluster centre, according to actual application settings threshold value T, when meeting d ＜ T, stop cluster；

Utilize above-mentioned algorithm, in service class, continue cluster can refine classification of service, shape on the basis of first class catalogue Become multistage catalogue；

(3) service-seeking retrieval module 23, for being exactly found the information of needs in magnanimity information, thus completes information Retrieval, the algorithm of employing is:

Step1 is for the service f in services set_iIf comprising Feature Words C₁,…,C_q, determine individual features word weights δ₁,…,δ_q,tC_qRepresent Feature Words C_qAt service f_iThe number of times of middle appearance, n is the clothes comprised in services set Business sum, n_qRepresent in services set and comprise Feature Words C_qService number, then service vector is represented by:

$\stackrel{\→}{f_i}=({\mathrm{\δ}}_1,\mathrm{...},{\mathrm{\δ}}_q)$

Step2 is for retrieval request A_iIn comprise represent service Feature Words C₁,…,C_s, and determine individual features word weights σ₁,…,σ_s,tC_sRepresent Feature Words C_sAt service f_iThe number of times of middle appearance, maxtC_sRepresent Feature Words C_s The maximum of the number of times occurred in all services, n is the service sum comprised in services set, n_sRepresent in services set and comprise spy Levy word C_sService number, then retrieval request vector is represented by:

$\stackrel{\→}{A_i}=({\mathrm{\σ}}_1,\mathrm{...},{\mathrm{\σ}}_s)$

Step3 determines feature word space Feature Words number d, will service and retrieval request vector standardization, to service and inspection The Feature Words not having in rope request, its corresponding weights are 0, now haveAsk WithEuclidean distance, provides services to user according to order from small to large；

Described Platform deployment layer 30 is used for setting up service management center, on-premise network server, uses the webserver pair Information on services preserves, and provides client to use；

Described data safe processing layer 40, connecting platform interface layer and platform management level, for using in platform interface layer Carry out backing up and be uploaded to described platform management layer after the data set key encryption of the data separate self-generating that family is issued, carry simultaneously Take, upload the metamessage of data, and be sent to described number after utilizing the metamessage encryption that the metamessage double secret key of self-generating extracts According to service layer, utilize data set key described in master key encryption and described metamessage key after be sent to described data service layer；

Described data service layer 50, connects data safe processing layer and platform deployment tier, is used for storing described data safety Process metamessage and key information that layer encryption is uploaded, and provide data set access to support by Platform deployment layer, and ciphertext Retrieval and the data service for checking credentials are supported.

Further, described Platform deployment layer 30 includes accessing safety control module 31, described access safety control module 31 include that access privilege control unit, data access flow control unit, data access transmission control unit and sensitive information are visited Ask control unit；Described data access authority control unit is for controlling the access rights of user, described data access flow control Unit processed is for controlling the flow of user accesses data, and described data access transmission control unit is for adding data transmission Close and safety certification controls, and described sensitive information access control unit is for being monitored the behavior accessing sensitive information and give With alarm, and the operation for abnormal access limits.

Wherein, in described data access transmission control unit, for safety certification control, mouth is added including based on iris identification The safety certification of order and safety certification based on fingerprint recognition encrypting key.

Wherein, described cloud information includes data set name, data set size and data set key word.

The present embodiment configuration information sharing service platform, efficiently solves the pressure concentration that centralized service management causes, A large amount of services are difficult to the problems such as management；Configuration information memory module, it uses cloud storage system to be encrypted the storage of rear data, Need not understand concrete storing device information, it is not necessary to consider the problem such as data backup and redundancy, saved time cost and Carrying cost；Data are encrypted place by data safe processing layer and data service layer by configuration information safety service platform Reason, improves information security degree；Access safety control module is set in Platform deployment layer, substantially increases the big number of information security Safety according to management system；Classification of service management module is set, by creating service catalogue, solves conventional retrieval rate The low problem with consuming time length, and service-seeking retrieval module is set, use vector index algorithm, improve retrieval accurate Degree, it is achieved that the retrieval that service name and service function match, wherein the attribute number m describing each service in services set Value is 4, and retrieval rate improves 0.4% relatively, and efficiency improves 0.5% relatively.

Embodiment 2

See Fig. 1, Fig. 2, a kind of government portals information sharing service system of the present embodiment, show including site information Showing system and service system, site information publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining same group of each site information publisher according to the relative position of site information publisher Neighbours；

Display module, shows what it was issued with the neighbours of group in the site information displayed page of site information publisher Site information.

Preferably, described site information publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

Preferably, described relative position determination module includes:

Sequencing unit, for sorting site information publisher, determines the phase of site information publisher according to ranking results To position.

Preferably, service system includes information sharing service platform and information security services platform, and described information sharing takes Business platform includes that platform interface layer 10, platform management layer 20 and platform deployment tier 30, described information security services platform include number According to safe handling layer 40 and data service layer 50；

Described platform interface layer 10 is by externally providing unified interface, it is achieved user carry out the issue of data, inquiry and Obtain；

Described platform management layer 20 is for managing by the data after data safe processing resume module, including be sequentially connected with Information storage module 21, classification of service management module 22 and service query and search module 23:

(1) information storage module 21, it uses cloud storage system to be encrypted the storage of rear data, forms virtual storage Resource pool also coordinates configuration storage resource；

(2) classification of service management module 22, for the service with similar features being classified and forming service catalogue, The algorithm used is:

It is provided with services set F={f₁,…,f_n, m the attribute of each service in services set describes, then have f_i= (f_i1,…,f_im), f_i∈R^m, wherein, R represents real number, and the span of m is [4,8], i=1 ..., n；

Step1 determines cluster number k, randomly chooses k object { t₁,…,t_kAs cluster centre, then there is t_j= (t_j1,…,t_jm), t_j∈R^m, wherein, j=1 ..., k；

Step2 is for each service f_i, calculate its corresponding classification:

$c_i=\arg \underset{j}{\max }\frac{{\Σ}_{l=1}^m(f_{il}\×t_{jl})}{\sqrt{{\Σ}_{l=1}^m{f}_{il}^2}\×\sqrt{{\Σ}_{l=1}^m{t}_{il}^2}}$

In formula, c_iRepresent service f_iThe class closest with k apoplexy due to endogenous wind, as the c meeting condition_iMore than one, then service f_i The most corresponding multiple classification；

Step3, for each cluster j, recalculates such cluster centre:

When the service contained in cluster j is all pertaining only to a class, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

When cluster j has service to belong simultaneously to w classification, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i-{\Σ}_{i=1}^n\frac{w-1}{w}\{c_i=j_w\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

In formula, { c_i=j} represents the service corresponding to clustering j, { c_i=j_wExpression service is simultaneously corresponding to w cluster, its In 2≤w≤k；

Step4 repeats step2 and step3, front and back distance d=of twice cluster centre | | t_{After j}-t_{Before j}| |, t_{After j}After for once Cluster centre, t_{Before j}For a front cluster centre, according to actual application settings threshold value T, when meeting d ＜ T, stop cluster；

Utilize above-mentioned algorithm, in service class, continue cluster can refine classification of service, shape on the basis of first class catalogue Become multistage catalogue；

(3) service-seeking retrieval module 23, for being exactly found the information of needs in magnanimity information, thus completes information Retrieval, the algorithm of employing is:

Step1 is for the service f in services set_iIf comprising Feature Words C₁,…,C_q, determine individual features word weights δ₁,…,δ_q,tC_qRepresent Feature Words C_qAt service f_iThe number of times of middle appearance, n is the clothes comprised in services set Business sum, n_qRepresent in services set and comprise Feature Words C_qService number, then service vector is represented by:

$\stackrel{\→}{f_i}=({\mathrm{\δ}}_1,\mathrm{...},{\mathrm{\δ}}_q)$

Step2 is for retrieval request A_iIn comprise represent service Feature Words C₁,…,C_s, and determine individual features word weights σ₁,…,σ_s,tC_sRepresent Feature Words C_sAt service f_iThe number of times of middle appearance, maxtC_sRepresent Feature Words C_s The maximum of the number of times occurred in all services, n is the service sum comprised in services set, n_sRepresent in services set and comprise spy Levy word C_sService number, then retrieval request vector is represented by:

$\stackrel{\→}{A_i}=({\mathrm{\σ}}_1,\mathrm{...},{\mathrm{\σ}}_s)$

Step3 determines feature word space Feature Words number d, will service and retrieval request vector standardization, to service and inspection The Feature Words not having in rope request, its corresponding weights are 0, now haveAsk WithEuclidean distance, provides services to user according to order from small to large；

Described Platform deployment layer 30 is used for setting up service management center, on-premise network server, uses the webserver pair Information on services preserves, and provides client to use；

Described data safe processing layer 40, connecting platform interface layer and platform management level, for using in platform interface layer Carry out backing up and be uploaded to described platform management layer after the data set key encryption of the data separate self-generating that family is issued, carry simultaneously Take, upload the metamessage of data, and be sent to described number after utilizing the metamessage encryption that the metamessage double secret key of self-generating extracts According to service layer, utilize data set key described in master key encryption and described metamessage key after be sent to described data service layer；

Described data service layer 50, connects data safe processing layer and platform deployment tier, is used for storing described data safety Process metamessage and key information that layer encryption is uploaded, and provide data set access to support by Platform deployment layer, and ciphertext Retrieval and the data service for checking credentials are supported.

Further, described Platform deployment layer 30 includes accessing safety control module 31, described access safety control module 31 include that access privilege control unit, data access flow control unit, data access transmission control unit and sensitive information are visited Ask control unit；Described data access authority control unit is for controlling the access rights of user, described data access flow control Unit processed is for controlling the flow of user accesses data, and described data access transmission control unit is for adding data transmission Close and safety certification controls, and described sensitive information access control unit is for being monitored the behavior accessing sensitive information and give With alarm, and the operation for abnormal access limits.

Wherein, in described data access transmission control unit, for safety certification control, mouth is added including based on iris identification The safety certification of order and safety certification based on fingerprint recognition encrypting key.

Wherein, described cloud information includes data set name, data set size and data set key word.

The present embodiment configuration information sharing service platform, efficiently solves the pressure concentration that centralized service management causes, A large amount of services are difficult to the problems such as management；Configuration information memory module, it uses cloud storage system to be encrypted the storage of rear data, Need not understand concrete storing device information, it is not necessary to consider the problem such as data backup and redundancy, saved time cost and Carrying cost；Data are encrypted place by data safe processing layer and data service layer by configuration information safety service platform Reason, improves information security degree；Access safety control module is set in Platform deployment layer, substantially increases the big number of information security Safety according to management system；Classification of service management module is set, by creating service catalogue, solves conventional retrieval rate The low problem with consuming time length, and service-seeking retrieval module is set, use vector index algorithm, improve retrieval accurate Degree, it is achieved that the retrieval that service name and service function match, wherein the attribute number m describing each service in services set Value is 5, and retrieval rate improves 0.45% relatively, and efficiency improves 0.4% relatively.

Embodiment 3

See Fig. 1, Fig. 2, a kind of government portals information sharing service system of the present embodiment, show including site information Showing system and service system, site information publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining same group of each site information publisher according to the relative position of site information publisher Neighbours；

Display module, shows what it was issued with the neighbours of group in the site information displayed page of site information publisher Site information.

Preferably, described site information publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

Preferably, described relative position determination module includes:

Sequencing unit, for sorting site information publisher, determines the phase of site information publisher according to ranking results To position.

Preferably, service system includes information sharing service platform and information security services platform, and described information sharing takes Business platform includes that platform interface layer 10, platform management layer 20 and platform deployment tier 30, described information security services platform include number According to safe handling layer 40 and data service layer 50；

Described platform interface layer 10 is by externally providing unified interface, it is achieved user carry out the issue of data, inquiry and Obtain；

Described platform management layer 20 is for managing by the data after data safe processing resume module, including be sequentially connected with Information storage module 21, classification of service management module 22 and service query and search module 23:

(1) information storage module 21, it uses cloud storage system to be encrypted the storage of rear data, forms virtual storage Resource pool also coordinates configuration storage resource；

(2) classification of service management module 22, for the service with similar features being classified and forming service catalogue, The algorithm used is:

It is provided with services set F={f₁,…,f_n, m the attribute of each service in services set describes, then have f_i= (f_i1,…,f_im), f_i∈R^m, wherein, R represents real number, and the span of m is [4,8], i=1 ..., n；

Step1 determines cluster number k, randomly chooses k object { t₁,…,t_kAs cluster centre, then there is t_j= (t_j1,…,t_jm), t_j∈R^m, wherein, j=1 ..., k；

Step2 is for each service f_i, calculate its corresponding classification:

$c_i=\arg \underset{j}{\max }\frac{{\Σ}_{l=1}^m(f_{il}\×t_{jl})}{\sqrt{{\Σ}_{l=1}^m{f}_{il}^2}\×\sqrt{{\Σ}_{l=1}^m{t}_{il}^2}}$

In formula, c_iRepresent service f_iThe class closest with k apoplexy due to endogenous wind, as the c meeting condition_iMore than one, then service f_i The most corresponding multiple classification；

Step3, for each cluster j, recalculates such cluster centre:

When the service contained in cluster j is all pertaining only to a class, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

When cluster j has service to belong simultaneously to w classification, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i-{\Σ}_{i=1}^n\frac{w-1}{w}\{c_i=j_w\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

In formula, { c_i=j} represents the service corresponding to clustering j, { c_i=j_wExpression service is simultaneously corresponding to w cluster, its In 2≤w≤k；

Step4 repeats step2 and step3, front and back distance d=of twice cluster centre | | t_{After j}-t_{Before j}| |, t_{After j}After for once Cluster centre, t_{Before j}For a front cluster centre, according to actual application settings threshold value T, when meeting d ＜ T, stop cluster；

Utilize above-mentioned algorithm, in service class, continue cluster can refine classification of service, shape on the basis of first class catalogue Become multistage catalogue；

(3) service-seeking retrieval module 23, for being exactly found the information of needs in magnanimity information, thus completes information Retrieval, the algorithm of employing is:

Step1 is for the service f in services set_iIf comprising Feature Words C₁,…,C_q, determine individual features word weights δ₁,…,δ_q,tC_qRepresent Feature Words C_qAt service f_iThe number of times of middle appearance, n is the clothes comprised in services set Business sum, n_qRepresent in services set and comprise Feature Words C_qService number, then service vector is represented by:

$\stackrel{\→}{f_i}=({\mathrm{\δ}}_1,\mathrm{...},{\mathrm{\δ}}_q)$

Step2 is for retrieval request A_iIn comprise represent service Feature Words C₁,…,C_s, and determine individual features word weights σ₁,…,σ_s,tC_sRepresent Feature Words C_sAt service f_iThe number of times of middle appearance, maxtC_sRepresent Feature Words C_s The maximum of the number of times occurred in all services, n is the service sum comprised in services set, n_sRepresent in services set and comprise spy Levy word C_sService number, then retrieval request vector is represented by:

$\stackrel{\→}{A_i}=({\mathrm{\σ}}_1,\mathrm{...},{\mathrm{\σ}}_s)$

Step3 determines feature word space Feature Words number d, will service and retrieval request vector standardization, to service and inspection The Feature Words not having in rope request, its corresponding weights are 0, now haveAsk WithEuclidean distance, provides services to user according to order from small to large；

Described Platform deployment layer 30 is used for setting up service management center, on-premise network server, uses the webserver pair Information on services preserves, and provides client to use；

Described data safe processing layer 40, connecting platform interface layer and platform management level, for using in platform interface layer Carry out backing up and be uploaded to described platform management layer after the data set key encryption of the data separate self-generating that family is issued, carry simultaneously Take, upload the metamessage of data, and be sent to described number after utilizing the metamessage encryption that the metamessage double secret key of self-generating extracts According to service layer, utilize data set key described in master key encryption and described metamessage key after be sent to described data service layer；

Described data service layer 50, connects data safe processing layer and platform deployment tier, is used for storing described data safety Process metamessage and key information that layer encryption is uploaded, and provide data set access to support by Platform deployment layer, and ciphertext Retrieval and the data service for checking credentials are supported.

Further, described Platform deployment layer 30 includes accessing safety control module 31, described access safety control module 31 include that access privilege control unit, data access flow control unit, data access transmission control unit and sensitive information are visited Ask control unit；Described data access authority control unit is for controlling the access rights of user, described data access flow control Unit processed is for controlling the flow of user accesses data, and described data access transmission control unit is for adding data transmission Close and safety certification controls, and described sensitive information access control unit is for being monitored the behavior accessing sensitive information and give With alarm, and the operation for abnormal access limits.

Wherein, in described data access transmission control unit, for safety certification control, mouth is added including based on iris identification The safety certification of order and safety certification based on fingerprint recognition encrypting key.

Wherein, described cloud information includes data set name, data set size and data set key word.

The present embodiment configuration information sharing service platform, efficiently solves the pressure concentration that centralized service management causes, A large amount of services are difficult to the problems such as management；Configuration information memory module, it uses cloud storage system to be encrypted the storage of rear data, Need not understand concrete storing device information, it is not necessary to consider the problem such as data backup and redundancy, saved time cost and Carrying cost；Data are encrypted place by data safe processing layer and data service layer by configuration information safety service platform Reason, improves information security degree；Access safety control module is set in Platform deployment layer, substantially increases the big number of information security Safety according to management system；Classification of service management module is set, by creating service catalogue, solves conventional retrieval rate The low problem with consuming time length, and service-seeking retrieval module is set, use vector index algorithm, improve retrieval accurate Degree, it is achieved that the retrieval that service name and service function match, wherein the attribute number m describing each service in services set Value is 6, and retrieval rate improves 0.6% relatively, and efficiency improves 0.35% relatively.

Embodiment 4

See Fig. 1, Fig. 2, a kind of government portals information sharing service system of the present embodiment, show including site information Showing system and service system, site information publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining same group of each site information publisher according to the relative position of site information publisher Neighbours；

Display module, shows what it was issued with the neighbours of group in the site information displayed page of site information publisher Site information.

Preferably, described site information publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

Preferably, described relative position determination module includes:

Sequencing unit, for sorting site information publisher, determines the phase of site information publisher according to ranking results To position.

Preferably, service system includes information sharing service platform and information security services platform, and described information sharing takes Business platform includes that platform interface layer 10, platform management layer 20 and platform deployment tier 30, described information security services platform include number According to safe handling layer 40 and data service layer 50；

Described platform interface layer 10 is by externally providing unified interface, it is achieved user carry out the issue of data, inquiry and Obtain；

Described platform management layer 20 is for managing by the data after data safe processing resume module, including be sequentially connected with Information storage module 21, classification of service management module 22 and service query and search module 23:

(1) information storage module 21, it uses cloud storage system to be encrypted the storage of rear data, forms virtual storage Resource pool also coordinates configuration storage resource；

(2) classification of service management module 22, for the service with similar features being classified and forming service catalogue, The algorithm used is:

It is provided with services set F={f₁,…,f_n, m the attribute of each service in services set describes, then have f_i= (f_i1,…,f_im), f_i∈R^m, wherein, R represents real number, and the span of m is [4,8], i=1 ..., n；

Step1 determines cluster number k, randomly chooses k object { t₁,…,t_kAs cluster centre, then there is t_j= (t_j1,…,t_jm), t_j∈R^m, wherein, j=1 ..., k；

Step2 is for each service f_i, calculate its corresponding classification:

$c_i=\arg \underset{j}{\max }\frac{{\Σ}_{l=1}^m(f_{il}\×t_{jl})}{\sqrt{{\Σ}_{l=1}^m{f}_{il}^2}\×\sqrt{{\Σ}_{l=1}^m{t}_{il}^2}}$

In formula, c_iRepresent service f_iThe class closest with k apoplexy due to endogenous wind, as the c meeting condition_iMore than one, then service f_i The most corresponding multiple classification；

Step3, for each cluster j, recalculates such cluster centre:

When the service contained in cluster j is all pertaining only to a class, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

When cluster j has service to belong simultaneously to w classification, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i-{\Σ}_{i=1}^n\frac{w-1}{w}\{c_i=j_w\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

In formula, { c_i=j} represents the service corresponding to clustering j, { c_i=j_wExpression service is simultaneously corresponding to w cluster, its In 2≤w≤k；

Step4 repeats step2 and step3, front and back distance d=of twice cluster centre | | t_{After j}-t_{Before j}| |, t_{After j}After for once Cluster centre, t_{Before j}For a front cluster centre, according to actual application settings threshold value T, when meeting d ＜ T, stop cluster；

Utilize above-mentioned algorithm, in service class, continue cluster can refine classification of service, shape on the basis of first class catalogue Become multistage catalogue；

(3) service-seeking retrieval module 23, for being exactly found the information of needs in magnanimity information, thus completes information Retrieval, the algorithm of employing is:

Step1 is for the service f in services set_iIf comprising Feature Words C₁,…,C_q, determine individual features word weights δ₁,…,δ_q,tC_qRepresent Feature Words C_qAt service f_iThe number of times of middle appearance, n is the clothes comprised in services set Business sum, n_qRepresent in services set and comprise Feature Words C_qService number, then service vector is represented by:

$\stackrel{\→}{f_i}=({\mathrm{\δ}}_1,\mathrm{...},{\mathrm{\δ}}_q)$

Step2 is for retrieval request A_iIn comprise represent service Feature Words C₁,…,C_s, and determine individual features word weights σ₁,…,σ_s,tC_sRepresent Feature Words C_sAt service f_iThe number of times of middle appearance, maxtC_sRepresent Feature Words C_s The maximum of the number of times occurred in all services, n is the service sum comprised in services set, n_sRepresent in services set and comprise spy Levy word C_sService number, then retrieval request vector is represented by:

$\stackrel{\→}{A_i}=({\mathrm{\σ}}_1,\mathrm{...},{\mathrm{\σ}}_s)$

Step3 determines feature word space Feature Words number d, will service and retrieval request vector standardization, to service and inspection The Feature Words not having in rope request, its corresponding weights are 0, now haveAsk WithEuclidean distance, provides services to user according to order from small to large；

Described Platform deployment layer 30 is used for setting up service management center, on-premise network server, uses the webserver pair Information on services preserves, and provides client to use；

Described data safe processing layer 40, connecting platform interface layer and platform management level, for using in platform interface layer Carry out backing up and be uploaded to described platform management layer after the data set key encryption of the data separate self-generating that family is issued, carry simultaneously Take, upload the metamessage of data, and be sent to described number after utilizing the metamessage encryption that the metamessage double secret key of self-generating extracts According to service layer, utilize data set key described in master key encryption and described metamessage key after be sent to described data service layer；

Described data service layer 50, connects data safe processing layer and platform deployment tier, is used for storing described data safety Process metamessage and key information that layer encryption is uploaded, and provide data set access to support by Platform deployment layer, and ciphertext Retrieval and the data service for checking credentials are supported.

Further, described Platform deployment layer 30 includes accessing safety control module 31, described access safety control module 31 include that access privilege control unit, data access flow control unit, data access transmission control unit and sensitive information are visited Ask control unit；Described data access authority control unit is for controlling the access rights of user, described data access flow control Unit processed is for controlling the flow of user accesses data, and described data access transmission control unit is for adding data transmission Close and safety certification controls, and described sensitive information access control unit is for being monitored the behavior accessing sensitive information and give With alarm, and the operation for abnormal access limits.

Wherein, in described data access transmission control unit, for safety certification control, mouth is added including based on iris identification The safety certification of order and safety certification based on fingerprint recognition encrypting key.

Wherein, described cloud information includes data set name, data set size and data set key word.

The present embodiment configuration information sharing service platform, efficiently solves the pressure concentration that centralized service management causes, A large amount of services are difficult to the problems such as management；Configuration information memory module, it uses cloud storage system to be encrypted the storage of rear data, Need not understand concrete storing device information, it is not necessary to consider the problem such as data backup and redundancy, saved time cost and Carrying cost；Data are encrypted place by data safe processing layer and data service layer by configuration information safety service platform Reason, improves information security degree；Access safety control module is set in Platform deployment layer, substantially increases the big number of information security Safety according to management system；Classification of service management module is set, by creating service catalogue, solves conventional retrieval rate The low problem with consuming time length, and service-seeking retrieval module is set, use vector index algorithm, improve retrieval accurate Degree, it is achieved that the retrieval that service name and service function match, wherein the attribute number m describing each service in services set Value is 7, and retrieval rate improves 0.7% relatively, and efficiency improves 0.32% relatively.

Embodiment 5

See Fig. 1, Fig. 2, a kind of government portals information sharing service system of the present embodiment, show including site information Showing system and service system, site information publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining same group of each site information publisher according to the relative position of site information publisher Neighbours；

Display module, shows what it was issued with the neighbours of group in the site information displayed page of site information publisher Site information.

Preferably, described site information publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

Preferably, described relative position determination module includes:

Sequencing unit, for sorting site information publisher, determines the phase of site information publisher according to ranking results To position.

Preferably, service system includes information sharing service platform and information security services platform, and described information sharing takes Business platform includes that platform interface layer 10, platform management layer 20 and platform deployment tier 30, described information security services platform include number According to safe handling layer 40 and data service layer 50；

Described platform interface layer 10 is by externally providing unified interface, it is achieved user carry out the issue of data, inquiry and Obtain；

Described platform management layer 20 is for managing by the data after data safe processing resume module, including be sequentially connected with Information storage module 21, classification of service management module 22 and service query and search module 23:

(1) information storage module 21, it uses cloud storage system to be encrypted the storage of rear data, forms virtual storage Resource pool also coordinates configuration storage resource；

(2) classification of service management module 22, for the service with similar features being classified and forming service catalogue, The algorithm used is:

It is provided with services set F={f₁,…,f_n, m the attribute of each service in services set describes, then have f_i= (f_i1,…,f_im), f_i∈R^m, wherein, R represents real number, and the span of m is [4,8], i=1 ..., n；

Step1 determines cluster number k, randomly chooses k object { t₁,…,t_kAs cluster centre, then there is t_j= (t_j1,…,t_jm), t_j∈R^m, wherein, j=1 ..., k；

Step2 is for each service f_i, calculate its corresponding classification:

$c_i=\arg \underset{j}{\max }\frac{{\Σ}_{l=1}^m(f_{il}\×t_{jl})}{\sqrt{{\Σ}_{l=1}^m{f}_{il}^2}\×\sqrt{{\Σ}_{l=1}^m{t}_{il}^2}}$

In formula, c_iRepresent service f_iThe class closest with k apoplexy due to endogenous wind, as the c meeting condition_iMore than one, then service f_i The most corresponding multiple classification；

Step3, for each cluster j, recalculates such cluster centre:

When the service contained in cluster j is all pertaining only to a class, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

When cluster j has service to belong simultaneously to w classification, then have:

$t_j:=\frac{{\Σ}_{i=1}^{n}1\{c_i=j\}{f}_i-{\Σ}_{i=1}^n\frac{w-1}{w}\{c_i=j_w\}{f}_i}{{\Σ}_{i=1}^{n}1\{c_i=j\}}$

In formula, { c_i=j} represents the service corresponding to clustering j, { c_i=j_wExpression service is simultaneously corresponding to w cluster, its In 2≤w≤k；

Step4 repeats step2 and step3, front and back distance d=of twice cluster centre | | t_{After j}-t_{Before j}| |, t_{After j}After for once Cluster centre, t_{Before j}For a front cluster centre, according to actual application settings threshold value T, when meeting d ＜ T, stop cluster；

Utilize above-mentioned algorithm, in service class, continue cluster can refine classification of service, shape on the basis of first class catalogue Become multistage catalogue；

(3) service-seeking retrieval module 23, for being exactly found the information of needs in magnanimity information, thus completes information Retrieval, the algorithm of employing is:

Step1 is for the service f in services set_iIf comprising Feature Words C₁,…,C_q, determine individual features word weights δ₁,…,δ_q,tC_qRepresent Feature Words C_qAt service f_iThe number of times of middle appearance, n is the clothes comprised in services set Business sum, n_qRepresent in services set and comprise Feature Words C_qService number, then service vector is represented by:

$\stackrel{\→}{f_i}=({\mathrm{\δ}}_1,\mathrm{...},{\mathrm{\δ}}_q)$

Step2 is for retrieval request A_iIn comprise represent service Feature Words C₁,…,C_s, and determine individual features word weights σ₁,…,σ_s,tC_sRepresent Feature Words C_sAt service f_iThe number of times of middle appearance, maxtC_sRepresent Feature Words C_s The maximum of the number of times occurred in all services, n is the service sum comprised in services set, n_sRepresent in services set and comprise spy Levy word C_sService number, then retrieval request vector is represented by:

$\stackrel{\→}{A_i}=({\mathrm{\σ}}_1,\mathrm{...},{\mathrm{\σ}}_s)$

Step3 determines feature word space Feature Words number d, will service and retrieval request vector standardization, to service and inspection The Feature Words not having in rope request, its corresponding weights are 0, now haveAsk WithEuclidean distance, provides services to user according to order from small to large；

Described Platform deployment layer 30 is used for setting up service management center, on-premise network server, uses the webserver pair Information on services preserves, and provides client to use；

Described data safe processing layer 40, connecting platform interface layer and platform management level, for using in platform interface layer Carry out backing up and be uploaded to described platform management layer after the data set key encryption of the data separate self-generating that family is issued, carry simultaneously Take, upload the metamessage of data, and be sent to described number after utilizing the metamessage encryption that the metamessage double secret key of self-generating extracts According to service layer, utilize data set key described in master key encryption and described metamessage key after be sent to described data service layer；

Described data service layer 50, connects data safe processing layer and platform deployment tier, is used for storing described data safety Process metamessage and key information that layer encryption is uploaded, and provide data set access to support by Platform deployment layer, and ciphertext Retrieval and the data service for checking credentials are supported.

Further, described Platform deployment layer 30 includes accessing safety control module 31, described access safety control module 31 include that access privilege control unit, data access flow control unit, data access transmission control unit and sensitive information are visited Ask control unit；Described data access authority control unit is for controlling the access rights of user, described data access flow control Unit processed is for controlling the flow of user accesses data, and described data access transmission control unit is for adding data transmission Close and safety certification controls, and described sensitive information access control unit is for being monitored the behavior accessing sensitive information and give With alarm, and the operation for abnormal access limits.

Wherein, in described data access transmission control unit, for safety certification control, mouth is added including based on iris identification The safety certification of order and safety certification based on fingerprint recognition encrypting key.

Wherein, described cloud information includes data set name, data set size and data set key word.

The present embodiment configuration information sharing service platform, efficiently solves the pressure concentration that centralized service management causes, A large amount of services are difficult to the problems such as management；Configuration information memory module, it uses cloud storage system to be encrypted the storage of rear data, Need not understand concrete storing device information, it is not necessary to consider the problem such as data backup and redundancy, saved time cost and Carrying cost；Data are encrypted place by data safe processing layer and data service layer by configuration information safety service platform Reason, improves information security degree；Access safety control module is set in Platform deployment layer, substantially increases the big number of information security Safety according to management system；Classification of service management module is set, by creating service catalogue, solves conventional retrieval rate The low problem with consuming time length, and service-seeking retrieval module is set, use vector index algorithm, improve retrieval accurate Degree, it is achieved that the retrieval that service name and service function match, wherein the attribute number m describing each service in services set Value is 8, and retrieval rate improves 0.9% relatively, and efficiency improves 0.3% relatively.

Last it should be noted that, above example is only in order to illustrate technical scheme, rather than the present invention is protected Protecting the restriction of scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention Matter and scope.

Claims (3)

1. a government portals information sharing service system, including site information display system and service system, website is believed Breath publisher's grouping module, for being grouped site information publisher；

Position determination module relatively, for determining the relative position of the site information publisher with group；

Neighbours determine module, for determining each site information publisher neighbour with group according to the relative position of site information publisher Occupy；

Display module, shows its website issued with the neighbours of group in the site information displayed page of site information publisher Information.

A kind of government portals information sharing service system the most according to claim 1, is characterized in that, described website is believed Breath publisher's grouping module includes:

Site information classification acquiring unit, for obtaining the classification of site information.

A kind of government portals information sharing service system the most according to claim 2, is characterized in that, described phase para-position Put and determine that module includes:

Sequencing unit, for sorting site information publisher, determines the phase para-position of site information publisher according to ranking results Put.