152results about How to "Full search" patented technology

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.

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.

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.

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.

The invention discloses a method for acquiring search keywords. The method includes: making statistics about specific relevant keywords and specific irrelevant keywords in a target domain; performing word segmentation on to-be-analyzed texts acquired to acquire candidate keywords; matching the candidate keywords with the specific irrelevant keywords; if the candidate keywords fail in matching, calculating similarity of word vectors of the candidate relevant keywords and word vectors of the specific relevant keywords in the target domain; if the similarity is greater than a preset threshold, outputting the specific relevant keywords in the target domain as the keywords of the to-be-analyzed tests. With the method, the keywords relevant to certain interests or requirements of users can be accurately output according to the to-be-analyzed tests input by the users can be realized, the specific relevant keywords in the target domain, higher in similarity with the candidate keywords are output as the keywords of the to-be-analyzed tests, and the search keywords are enriched for the users.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.