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Method and device for optimizing multi-constraint quality of service (QoS) routing selection
InactiveCN102158417ADiversity guaranteedFull searchData switching networksQuality of serviceRouting model
The invention discloses a method and device for optimizing multi-constraint quality of service (QoS) routing selection. The method comprises the following steps: acquiring the topological structure and link parameters of an existing network in accordance with information of a prediction model; creating a corresponding multi-constraint QoS routing model in accordance with the determined topological structure and link parameters, and constructing penalty functions to transform multi-constraint conditions, as well as constructing fitness functions for evaluating paths; using a depth-first search method to acquire initial feasible paths and initializing particle swarms; calculating the fitness value of each particle, and finding out the optimal fitness value of the particle adjacent to each particle; using the generation algorithm and the genetic algorithm-particle swarm optimization (GA-PSO) to carry out iterative solution at the beginning of the initial feasible paths, and carrying out natural selection and variation operations; and finding out paths which meet conditions and are provided with the optimal fitness values, realizing optimal routing selection under the multi-constraint condition, and executing in accordance with the found routings.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Unmanned aerial vehicle cooperative search method for moving object with perception capability
ActiveCN105425820AOptimize the update methodFix search problemsTarget-seeking controlAdaptive controlSearch problemDeflection angle
The invention discloses an unmanned aerial vehicle cooperative search method for a moving object with a perception capability. The method is characterized in that the method is carried out according to the following steps: 1, constructing an unmanned aerial vehicle cooperative search moving object model; 2, solving the model to obtain an optimal solution; 3, decoding the optimal solution to obtain a course deflection angle of an unmanned aerial vehicle; 4, according to the course deflection angle, obtaining an optimal path of preplanned q steps, executing the first step in the optimal path, and the unmanned aerial vehicle moving; 5, based on detection information and object motion, updating a search map; and 6, progressively increasing one time step length, finishing a search task when a total planning time domain step length ends, and otherwise, returning to the second step. The method provided by the invention can solve the problem of search for the moving object with the perception capability, improves the search efficiency and more accords with an actual complex dynamic battlefield environment.
Owner:HEFEI UNIV OF TECH
Information search method and apparatus
ActiveCN105302810AImprove recallLarge capacitySpecial data processing applicationsUser groupInformation searching
Embodiments of the present invention provide an information search method and apparatus.The method particularly comprises: acquiring a query string input into a search engine by a user; performing analysis according to a search result corresponding to the query string, and obtaining a corresponding keyword; using the keyword as a search term, respectively performing searches in index data of each user group of a group platform according to the search term, and obtaining a corresponding matched target group; and displaying the target group in a page of the search result. According to the embodiments of the present invention, convenience and efficiency of user group search can be improved.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
High-speed railway track static comfort analysis adjustment method
InactiveCN103132411AThe measurements are trueAccurate measurementRailway track constructionMeasuring apparatusEngineeringTotal station
The invention relates to a high-speed railway track static comfort analysis adjustment method which includes the steps of utilizing a track trolley to measure high-speed railway track parameters to acquire track static measurement data to acquire track static measurement data, after carrying out accurate positioning of the track trolley by using a total station and a control network of foundation piles; drawing the track static measurement data into an oscillogram according to a certain proportion relationship, drawing a variation trend line according to the overall trend of the oscillogram, and carrying out a comfort analysis over the track according to the drawn oscillogram and the variation trend line; calculating adjustment amount required in adjusting the track according to the result of the comfort analysis, and carrying out a site adjustment for the track; carrying out repetition measurement over the track adjusted on site, and carrying out a repeatedly measured data analysis of the adjusted track and local optimization adjustment; if the comfort index of the repeatedly measured data is not in the allowed deviation, getting back to analyze and adjust again, and then generating a track static comfort test report from the analysis and adjustment data.
Owner:刘彬 +1
Denoising method of remote sensing vegetation index time series data
The invention relates to a denoising method of remote sensing vegetation index time series data, which comprises the following steps: interpolating data points at equal distances on a time axis according to remote sensing vegetation index time series data, synthetic date files, quality evaluation files and a preset interpolation rule to obtain the numerical values of the data points at equal distances and generate standard data, wherein the distance is a synthetic cycle of the remote sensing vegetation index time series data; searching all extreme points and generating characteristic point data in the standard data according to a preset inquiry rule; and carrying out filtering processing for the standard data according to the characteristic point data and a preset filtering rule to obtainfiltering data, and if the filtering data satisfies a preset judgment condition, then using the filtering data as the denoised remote sensing vegetation index time series data. The invention can effectively eliminate the noise in the remote sensing vegetation index time series data, can keep the characteristics of vegetation rapid change, has high processing speed and high efficiency.
Owner:BEIJING NORMAL UNIVERSITY
Voice interaction method and system and intelligent voice broadcasting terminal
InactiveCN106297780AHas a voice search functionMeet the need for informationSpeech recognitionSpecial data processing applicationsInteraction systemsData stream
The invention discloses a voice interaction method and system and an intelligent voice broadcasting terminal. The voice interaction system comprises a router positioned inside the door, an intelligent voice broadcasting terminal connected to the internet through the router, a cloud server and a third party voice database; the intelligent voice broadcasting terminal is used for collecting a user voice order, analyzing the user voice order and transmitting an analyzed word meaning to a cloud server in a data stream mode; the cloud server is used for performing preliminary data matching in the database according to the analyzed word meaning and transmitting the preliminary matching result to a designated third party voice database to perform accurate matching; the cloud server receives first answer data returned from the third party voice database and forwards the first answer data to the intelligent voice broadcasting terminal in the data stream mode; the intelligent voice broadcasting terminal is also used for receiving the data stream of the first answer data, performing voice synthesis on the received data stream to form a complete voice content and broadcasting the synthesized voice content.
Owner:SHENZHEN LIGHT LIFE TECH CO LTD
Information search system and method for electronic books
ActiveCN103020270AEasy retrievalQuick searchSpecial data processing applicationsResource poolElectronic book
The invention discloses an information search system and an information search method for electronic books. The information search system comprises a resource pool, electronic reading equipment, a marking tool and a marking server, wherein the resource pool is used for storing electronic books; the electronic reading equipment is used for reading the electronic books; the marking tool is used for making semantic annotations on knowledge points in the electronic books and uploading the semantic annotations to the marking server; the marking server is used for storing the semantic annotations and returning the position information of relevant knowledge points in the electronic books back to the electronic reading equipment based on the semantic annotations in response to an information search request submitted by the electronic reading equipment; and the electronic reading equipment can be used for acquiring detailed information of corresponding knowledge points based on the position information.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI
Searching method and device for multimedia resources
InactiveCN107766571AMeet search needsFull searchMultimedia data queryingSpecial data processing applicationsComputer network
The invention discloses a searching method and device for multimedia resources. The method comprises the steps that a query request which is sent by a user is received; according to the query request,searching is conducted in a multimedia resource search library, and a searching result is returned, wherein multi-mode information of multiple multimedia resources is stored in the multimedia resource search library. By applying the searching method and device for multimedia resources, multimedia resources which meet the searching condition can be more sufficiently searched for, and accordingly searching requirements of multimedia resources are better met.
Owner:PEKING UNIV
Penetration testing method and device
ActiveCN106874768AFull searchFind complexPlatform integrity maintainanceMachine learningData streamLink data
The embodiment of the invention provides a penetration testing method and a penetration testing device and relates to the field of code auditing. The method comprises the steps of obtaining to-be-tested link data flow; carrying out vulnerability scanning on the data flow according to a preset vulnerability database; storing a plurality of vulnerability validation codes POCs for validating whether a vulnerability exists in the data flow or not in the vulnerability database, and obtaining the POCs through machine learning on historical data flow; and outputting a first vulnerability scanning result. According to the penetration testing method and device, the POCs in the vulnerability database are updated through machine learning, and vulnerability scanning is carried out on the to-be-tested data flow by using the continuously updated vulnerability database, thereby meeting the requirements of searching diverse vulnerabilities.
Owner:BEIJING RZXT TECH DEV CO LTD
Method and device for acquiring search keywords
InactiveCN106844647AFull searchNatural language data processingSpecial data processing applicationsUser inputData mining
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA +1
Mass weapon target assignment method based on multiple-target clonal evolutionary algorithm
InactiveCN106599537AStrong Feasible Solution Search CapabilityFull searchSpecial data processing applicationsInformaticsSub populationsAlgorithm
The invention provides a mass weapon target assignment method based on a multiple-target clonal evolutionary algorithm, and belongs to the technical field of computer simulation and method optimization. The method comprises the following steps of: firstly, according to the amount of weapons, a plurality of initial sub-populations are generated, the pareto optimal solutions of all sub-populations are calculated, and a dominant population is formed by the optimal solutions; secondly, an algorithm clones all individuals in the dominant population by a cloning mechanism to form a plurality of new sub-populations; and finally, the algorithm gives three special evolution operators and carry out evolution on the individuals by the three evolution operators. By use of the method, a corresponding evolution operator and a corresponding evolution method are designed by aiming at a mass weapon target assignment problem, the mass weapon target assignment problem can be effectively solved, the integral pareto optimal solution can be obtained under the environment of mass weapons and targets, and the method has a good convergence effect.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Placename retrieval device
ActiveCN101206121AInformativeFull searchInstruments for road network navigationSpecial data processing applicationsElectronic mapMarine navigation
The invention discloses a place name retrieval device which comprises: an input unit used to receive names of place names; a place name information configuration unit used to store the related information of place names into a navigation electronic map database; a word division unit used to carry out the division treatments to the names of place names in the input unit to obtain a plurality of terms; a matching unit used to find fields matched with the terms in the navigation electronic map database; a display unit used to display the related information of the fields found by the matching unit. The place name information configuration unit is adopted to store the information of place names into the navigation electronic map database, thereby being capable of retrieving according to the place names and ensuring that the retrieved information is much richer.
Owner:ALIBABA (CHINA) CO LTD
Method for sub-surface retrieval of MOOC course based on ElasticSearch
InactiveCN106776878ARealize Faceted SearchEliminate distracting informationData processing applicationsSpecial data processing applicationsMulti fieldRetrieval result
The invention discloses a method for sub-surface retrieval of MOOC courses based on ElasticSearch. The technical scheme has the following steps of firstly acquiring the MOOC courses metadata, parsing and then storing; creating an index of the MOOC courses metadata in a ElasticSearch cluster; adding data of a plurality of fields to the fields to be retrieved, achieving the multi-field search, and setting different weights for the different fields; re-setting a plurality of sub-surfaces, screening and filtering the MOOC courses from the different sub-surfaces, and allowing users to create their own search path to achieve the sub-surface search, and setting a sort. The sorting according to the specific sub-face based on the MOOC courses search results makes the MOOC courses with the expected attributes as far as possible near the front, and the search results sort is completed; finally, a search service interface is set up, the MOOC courses retrieval services are provided. After users provide a retrieval keyword and the retrieval sub-surface information, the retrieval service interface returns the MOOC courses information lists and the courses sub-face aggregation results to the users.
Owner:XI AN JIAOTONG UNIV
Character searching method for browser and mobile terminal
InactiveCN103246647AImprove experienceImprove interactivitySpecial data processing applicationsWorld Wide WebMultimedia
Owner:TENCENT TECH (SHENZHEN) CO LTD
A multi-objective optimization method of a disaster-resistant backbone network frame of a power system
The invention discloses a multi-objective optimization method of a disaster-resistant backbone network frame of a power system, belonging to the technical field of the power system, which proposes that three objectives of maximizing difference programming economy, system recoverability and network invulnerability are simultaneously taken as backbone network frame optimization objectives, and the backbone network frame needs to satisfy certain constraint conditions; a comprehensive learning particle swarm optimization algorithm is used to solve the multi-objective optimization problem of backbone network frame, and a graph theory repair strategy is embedded to repair the particles that do not meet the connectivity constraints. A multi-objective non-cooperative equilibrium method based on hybrid strategy Nash equilibrium is used to solve the optimal compromise solution of Pareto front solution as the optimal backbone grid scheme. The multi-objective optimization strategy provided by theinvention can provide a reasonable backbone network frame construction scheme for the differential planning of the power network, and can realize the balance of three objective functions of economy, system recoverability and network invulnerability.
Owner:HEFEI POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER
Multielement optimizing control method for prospecting ore deposit
InactiveCN1421709AFull searchTo achieve the purpose of prospecting and explorationElectric/magnetic detectionNuclear radiation detectionComputer scienceProspecting
The present invention relates to ore deposit prospecting method and is especially one multielement optimized control method of prospecting ore deposit. The optimized method finds out the abnormal theoretical value characteristic of the ore-forming elements and spatial distribution rules based on the analysis and test of all elements in samples from the prospected area to reach the aim of prospecting ore deposit. The specific steps includes field operation and laboratory analysis and test, including clustering analysis, target grouping analysis, dendrogram drawing, ore-controlling element optimization, regression equation establishment for ore-forming elements and ore-controlling element, ore-forming element theoretical value calculation, drawing, etc.
Owner:中国科学院长沙大地构造研究所
Image compressing and uncompressing method and device
ActiveCN103139567ASave spaceIncrease the compression ratioImage codingTelevision systemsComputer visionPacked pixel
The invention provides an image compressing method and a device and a relative image uncompressing method and a device. The image compressing method comprises a plurality of rounds of compressing circulation, in each round of compressing circulation, firstly ascertaining pixel lines which a current uncompressing pixel quantity is largest and a line number is smallest and recording the a pixel value of a first uncompressed pixel P of the pixel lines in n pixel lines of images. Further, respectively ascertaining and recording a number N of the current uncompressed pixels which have the same pixel values with the pixel P, counted form the current first uncompressed pixel and arranged continuously in the pixel lines which the pixel P is located and subsequent pixel lines thereof. When a certain subsequent pixel line is judged that the pixel number acquired from the certain subsequent pixel line N is equal to zero, or when a certain subsequent pixel line is the end pixel line, the round of compressing circulation is over. An average compression ratio acquired from the method is about 40%, and excessive central processing unit (CPU) resources are not consumed, and so that the image compressing and uncompressing method is wide is application range.
Owner:NEUSOFT CORP
Continuous phase plate machining error identification method
The invention discloses a continuous phase plate machining error identification method, and belongs to the field of phase plate machining error identification. The continuous phase plate machining error identification method adopts two times of matching, the first time of matching is carried out on a measured surface shape and a reference surface shape, roughly positioned translation position coordinates are obtained, then the second time of matching is carried out on the measured surface shape and the reference surface shape in a neighborhood range set according to the translation position coordinates, the error range is decreased, accurately positioned position parameters are obtained, and a machining error indicator is obtained according to an accurately positioned position function. The continuous phase plate machining error identification method overcomes the defect that error identification can not be carried out on a CPP requiring for high accuracy through one time of matching and improves the accuracy of error identification of the CPP through the two-time matching method with the progressively improved accuracy, the RMS value of error identification through the method can be below 30 nm, and the PV value can be below 1 wavelength.
Owner:四川睿光科技有限责任公司
Electromagnet fault prediction method based on SA-PSO optimized BP neural network
PendingCN111709182AEasy to fall into local optimumFast convergenceCharacter and pattern recognitionArtificial lifeParticle swarm algorithmNeural network nn
The invention discloses an electromagnet fault prediction method based on an SA-PSO optimized BP neural network, and relates to the field of valve body assembly quality. The method comprises the steps: A, analyzing fault types and fault reasons generated by electromagnets, and classifying and setting fault labels according to the fault types; B, determining the structure and parameter setting of the BP neural network according to the fault reason and the fault type, and establishing a three-layer neural network, namely a first model; C, determining the dimension of a particle swarm; D, initializing the speed and parameters of the N-dimensional particles; E, mapping the particles randomly generated in the step D into a weight and a threshold of the BP neural network; F, combining a simulated annealing algorithm and a particle swarm algorithm and alternately operating; G, when the number of iterations and the temperature in the step F meet the requirements, stopping internal cooling; H,combining the first model and the second model to obtain a reliable fault diagnosis result. The method has the advantages of sufficient search and rapid fault diagnosis.
Owner:WENZHOU UNIVERSITY
Running state data recording and replaying method before fault of numerically-controlled machine tool
InactiveCN104483902AImprove convenienceImprove applicabilityProgramme controlComputer controlData informationData recording
The invention discloses a fault running state data recording and replaying method before fault of a numerically-controlled machine tool. The method comprises the following steps that running state real-time monitoring data for a plurality of channels are preset in a main control unit of the numerically-controlled machine tool before the numerically-controlled machine tool runs; in the machining process, the main control unit collects the running state real-time monitoring data to a own data buffer region in an uninterrupted manner, and judges the state of a fault triggering event in timing tasks of a machine tool numerically-controlled system; the main control unit sends a numerically-controlled system instruction, automatically stores all running state data in a certain time period before the fault occurrence moment into a data backup region from the data buffer region, and plays according to a time sequence when the situation that the fault triggering event occurs is judged. According to the pre-fault running state data recording and replaying method for the numerically-controlled machine tool, the running data information, which overall reflects the machine tool faults, can be efficiently and accurately acquired in real time under the condition that no any external equipment is additionally arranged, so that the fault source is conveniently, quickly and overall sought.
Owner:HUAZHONG UNIV OF SCI & TECH
Cross-linguistic electronic text plagiarism detection system and detection method
ActiveCN103823862AFull searchSolve the replacement problemNatural language data processingSpecial data processing applicationsParagraphPlagiarism detection
The invention discloses a cross-linguistic electronic text plagiarism detection system and detection method. The cross-linguistic electronic text plagiarism detection method comprises the steps that paragraph division is carried out on an electronic text to be detected and a reference electronic text respectively to obtain a paragraph set to be detected and a reference paragraph set; concepts corresponding to terms in the paragraph set to be detected and the reference paragraph set are searched for according to a cross-linguistic body, and the paragraph set to be detected and the reference paragraph set are expressed as a multiple-concept sequence to be detected and a reference multiple-concept sequence according to the found concepts; the reference multiple-concept sequence having the most common concepts with the multiple-concept sequence to be detected is obtained through searching according to the multiple-concept sequence to be detected; the multiple-concept sequences are detected to generate a plagiarism evidence list; the plagiarism evidence list is combined and ordered to generate a detection result; the detection result is output and displayed. By means of the cross-linguistic electronic text plagiarism detection system and detection method, the built multiple-concept sequences can sufficiently search the electronic text to be detected and the reference electronic text, and further the detection accuracy is improved.
Owner:XI AN JIAOTONG UNIV
Defect error correction method based on code modification mode difference
ActiveCN109918127AEnhanced bug fix experienceShorten the timeReverse engineeringAlgorithmTheoretical computer science
The invention provides a defect error correction method based on code modification mode difference in the technical field of software maintenance. The method includes the following steps: first obtaining a defect report in the bug search platform Bugzilla by the crawler, and forming a cluster of defect reports connected by the non-repetitive relationship according to the order of the defect reportID; and reusing the TF-IDF algorithm for each cluster to extract the title and description of the internal defect by keywords, and extracting the remaining defect reports from the keywords and addedto the cluster of corresponding keywords; wherein comparing the source code submitted by each of the two reports to acquire the code clone pair and searching the diff information of the cloned part ofthe active code in the defect report, respectively, modifying the mode difference map for each diff information; finally, calculating the difference ratio to determine whether the defect modificationhas a problem. According to the method, developers are helped to find out the problems existing in the modified defects more quickly and conveniently.
Owner:YANGZHOU UNIV
Searching method for impossible differential path of related key of block cipher
ActiveCN106027226ASolve the problem of findingIn-depth analysisEncryption apparatus with shift registers/memoriesRelated-key attackTheoretical computer science
The invention discloses a searching method for an impossible differential path of a related key of a block cipher. As an impossible differential attack method and a related key attack method are combined, the problems of automatic searching of the impossible differential path of the related key and searching of a longest analysis path in cryptanalysis are solved, and deeper and more thorough analysis for a cryptographic algorithm can be carried out. According to the searching method for the impossible differential path of the related key of the block cipher, the method for searching the impossible differential path of the related key is upgraded from the traditional manual analysis to computer automatic searching, the disadvantages that an existing manual analysis method is fussy and error-prone when being used for analyzing the cryptographic algorithm are avoided, the maximum length of the impossible differential path of the related key of the block cipher algorithm can be calculated rapidly and accurately, and the cryptanalysis efficiency is improved. The searching method for the impossible differential path of the related key of the block cipher realizes transformation of the cryptographic algorithm from a non-generalized Feistel structure to a generalized Feistel structure, can be widely applied to automatic search of the impossible differential paths of related keys of various cryptographic algorithms in different structures.
Owner:XIDIAN UNIV
Mobile augmented reality searching method, client, server and searching system
ActiveCN103309895AFull searchSolve incomplete problemsWeb data indexingLocation information based serviceClient-sideAugmented reality
Owner:ZTE CORP
Method for mining digital currency exchange address and storage medium
InactiveCN111444232AFull searchLow costDigital data information retrievalSpecial data processing applicationsDigital currencyFinancial transaction
The invention discloses a method for mining a digital currency exchange address and a storage medium, and the method comprises the steps: obtaining a to-be-mined exchange address, and obtaining a partof or all transactions related to the exchange address; and searching a plurality of addresses of the exchange conforming to a predetermined rule from part or all of the transactions, the predetermined rule representing the correlation among the input address, the transaction amount and the output address of the transaction. Through the above technical scheme, the invention can at least provide amethod effectively applied to exchange address mining.
Owner:上海宓猿信息技术有限公司
A cloud platform data management method
InactiveCN109408536AFull searchQuick searchDatabase management systemsTransmissionInformation processingNetwork connection
The invention relates to the technical field of cloud computing, in particular a cloud platform data management method. The cloud platform collects the input information through the collection module,the terminal of the cloud platform is connected with an external management system. The collection module is provided with a plurality of network connection ports connected with different regions, the processing module processes the collected information, the storage module stores the processed information, and the receipt module replies to the external inquiry request. A main database and a sub-database are arranged. The collection module is provided with a plurality of network access points, so that the collection range of the receipts at the cloud end is wider, the collected data is more comprehensive, and the data required can be quickly searched through the search module, the structure is simple, the stored data is more comprehensive, the collection information range is wider, and the collection information processing effect is better.
Owner:温州你创我帮网络科技有限公司
Address list search method based on image correlation pattern
InactiveCN103838840ARealize the organizationImplement queryCharacter and pattern recognitionSpecial data processing applicationsPattern recognitionFace detection
The invention discloses an address list search method based on an image correlation pattern. The address list search method based on the image correlation pattern comprises the two steps of correlation of specific photos with an address list and searching by the adoption of the photos, wherein the step of correlation of the specific photos and the address list comprises a photo obtaining module, a face detection module and an address list management module, after the specific photos and the address list are correlated, one photo in a mobile phone is opened, firstly whether the photo is stored in a database or not is detected, if the photo is not stored in the database, it means that face detection is not carried out on the photo, and then the face detection is started; for the photo after the face detection, the contact information is edited for the face area, or information searching of a contact is carried out by clicking the face area. The method can be combined with human brain memory characteristics, meaningful face photos are used as the entrance of searching the address list, visual information organization and inquiry are achieved, and the contact information of friends can be found out more conveniently.
Owner:HUZHOU TEACHERS COLLEGE
Network registering methods and mobile terminals
InactiveCN102104952AAccess is more stable and fasterFull searchWireless communicationRadio access technologyTelecommunications
The invention discloses a network registering method. The method comprises the following steps of: when a mobile terminal carries out network registration, executing the following operation until the registration is successful, namely sequentially executing each item in each registration information item stored in the mobile terminal according to an order of priorities of the items from high to low; and aiming at the current selected item, registering on an equivalent home public land mobile network (EHPLMN) corresponding to an EHPLMN identifier contained in the current selected item by utilizing a radio access technology (RAT) corresponding to an RAT identifier contained in the item. The embodiment of the invention also provides another network registering method and two mobile terminals. Due to the adoption of the network registering methods and the mobile terminals, the problem that the waste of network resources can be caused possibly and the feeling experience of a user can be influenced because the mobile terminal can only utilize the designated RAT priorities to select RATs sequentially to carry out registration on the EHPLMN and cannot be directly switched to other RATs even though a network can be more stably and rapidly accessed by other RATs in the prior art can be solved.
Owner:ZTE CORP
Method and device for searching coverage area base station by using geographic information system
ActiveCN102869021AFull searchExact searchSpecial data processing applicationsNetwork planningLongitudeHandover
The invention provides a method and device for searching a coverage area base station by using a geographic information system (GIS). The method comprises the following steps of: acquiring longitude and latitude information of an event site by GIS map sampling; searching the base station where the event site is located according to the longitude and latitude information from a base station position information table, and adding the searched base station into a coverage area base station set; as for each cell under the searched base station, respectively acquiring the cells which have a handover relationship with each cell; and adding the acquired base station to which the acquired cells belongs, to the coverage area base station set. According to the scheme of the invention, the coverage area base stations can be searched more completely and accurately.
Owner:CHINA MOBILE GROUP JIANGSU
Method and system for searching target theme
ActiveCN105653546AAdd contentHigh precisionSpecial data processing applicationsInformation retrievalSubject specific
The invention provides a method for searching a target theme. The method includes the following steps: 1), calculating a relevant word of the target theme, and performing searching according to the relevant word to obtain a first search result; dividing the target theme, and performing searching by using words in a divided result to obtain a second search result; and fusing the first search result and the second search result to obtain a search result of the target theme. According to the method, searching is performed through both the relevant word of the target theme and the dividing result, the content of the target theme can be expanded, the relevant search content of the target theme can be obtained completely and accurately, and automatic search can be achieved, time and efforts can be saved, and the accuracy is high; the method can adapt personal demands of users through subsequent processing, and meet the demands for theme clustering and aggregation, and solve the problem that the conventional theme search clustering method is complicated, is poor in accuracy, and is not complete in the prior art.
Owner:新方正控股发展有限责任公司 +1
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