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40results about How to "Simplify query operations" patented technology

Large-scale graph data processing method based on k<2>-tree and multi-valued decision diagram

The invention discloses a large-scale graph data processing method based on a k<2>-tree and a Multi-valued Decision Diagram (MDD). The method comprises the following steps: 1, performing n-bit encoding on a peak of a graph according to the rule of the k<2>-tree, FORMULA, k being greater than or equal to 2; 2, encoding an edge according to a peak code; 3, constructing an MDD structure according to an edge code to obtain a k<2>-MDD structure which corresponds to an oriented graph and contains n variables, wherein the k<2>-MDD structure has the nature of the MDD and is applicable to the simplification rule of the MDD; 4, performing the following basic operation of the graph on the obtained k<2>-MDD structure through logic operation of a symbol decision diagram: edge inquiry, outside adjacent inquiry and calculation of an out degree of the peak, inside adjacent inquiry and calculation of an in degree of the peak, as well as adding and deletion of an edge, and the like. According to the method, the MDD is used for storing graph data, so that isomorphic sub trees in the k<2>-tree are combined, the number of nodes is reduced, and the structure is more compact; the basic operation of the graph is converted into the logic operation, so that the operation is simpler.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Generation method of wide table in structured query language database and device thereof

The embodiment of the invention provides a generation method of a wide table in a structured query language database and a device thereof. The method comprises the steps that a log file of the structured query language database is obtained, and the changed data in the structured query language database is obtained through the log file; the correlation relationship of a correlation table corresponding to the log file and the to-be-executed operation of the data is obtained according to the changed data, and data conversion operation is executed; the converted data after the data conversion operation is competed is received, and the converted data is loaded into the wide table of the target database. By means of the method, the query performance of the structured query language database canbe improved.
Owner:亿度慧达教育科技(北京)有限公司

Electric energy meter and query method thereof

The invention discloses an electric energy meter and a query method thereof. The electric energy meter comprises a collector, a processor and a player, wherein the collector is used for collecting voice query instructions; the processor is connected with the collector and used for querying voice information corresponding to the voice query instructions; the player is connected with the processor and used for playing the voice information. The electric energy meter solves the problem of tedious query way of an intelligent electric energy meter in the prior art and further achieves effects of simplifying the query way of the electric energy meter and improving the intelligence of the electric energy meter.
Owner:STATE GRID CORP OF CHINA +1

Internet of Things card IP query method and apparatus, and electronic device

The invention provides an internet of things card IP query method and device and electronic equipment. The invention relates to the technical field of Internet of Things, and discloses an Internet ofThings card management method, which can extract an identifier corresponding to a target Internet of Things card when receiving query information which is input by a user and carries the identifier corresponding to the target Internet of Things card, and search IP information corresponding to the identifier in an IP comparison table according to the identifier of the target Internet of Things card; determining the searched IP information as a target IP of the target Internet of Things card; according to the IP query method and device for the Internet of Things card and the electronic equipmentprovided by the embodiment of the invention, the IP comparison tables provided by different operators are configured in the database of the background server, so that the target IP corresponding to the identifier can be searched in the IP comparison tables through the identifier of the Internet of Things card; and moreover, when the internet-of-things card and the cabinet are bound in cabinet installation involving multiple manufacturers, errors are not likely to happen, and therefore the use experience of a user is improved.
Owner:威海新北洋技术服务有限公司

Shopping cart management method and system based on voice recognition and mobile terminal

The invention provides a shopping cart management method and system based on voice recognition, and a mobile terminal, and the method comprises the steps: obtaining the commodity information displayedon terminal equipment when a commodity adding instruction transmitted by a user is received, and carrying out the voice collection of the user to obtain an identification voice; performing voice recognition on the identification voice to obtain an identification text, and correspondingly storing the identification text and the commodity information to generate a shopping cart list; when a commodity query instruction sent by a user is received, performing voice collection on the user to obtain commodity query voice, and performing voice recognition on the commodity query voice to obtain a query text; and matching the query text with the commodity information and / or the identification text, and displaying the matched commodity information, or displaying the commodity information corresponding to the matched identification text. According to the invention, the user can check the commodity information in a voice query mode, so that the user does not need to manually query the commodity information, and the online shopping experience of the user is improved.
Owner:XIAMEN KUAISHANGTONG TECH CORP LTD

Mitochondrial variation site database and establishment method and application thereof

The invention provides a mitochondrial variation site database and an establishment method and application thereof, and relates to the technical field of biological information. The database is established by adopting the following method: acquiring mitochondrial DNA sequence data; comparing the mitochondrial DNA sequence with a mitochondrial reference genome to obtain a comparison result, and capturing mitochondrial variation site information according to a preset condition; performing homogeneity and heterogeneity analysis on the information of each mitochondrial variation site, defining the variation site with the heterogeneity proportion of 0.01-0.98 as heterogeneity variation, otherwise, defining the variation site as homogeneity variation; and integrating variation site information, and summarizing to obtain a mitochondrial variation site database. According to the database, the obtained data quality is uniform and reliable, the data comprises the heterogeneity score of each variation site, and the database has important significance in studying the relation between mtDNA mutation and diseases.
Owner:GUANGZHOU KINGMED TRANSFORMATIVE MEDICINE INST CO LTD

Natural language question answering method and system based on question sentence and knowledge graph structure analysis

The invention discloses a question sentence and knowledge graph structure analysis-based natural-language question answering method and system, and belongs to the fields of graph calculation and natural-language question answering. For the existing problems of various question answering systems, the invention provides the question sentence and knowledge graph structure construction, analysis and matching-based natural-language question answering method, thus types of natural-language questions which can be answered are expanded, and accuracy of answers is improved at the same time. According to the method of the invention, a structure of a graph is adopted to represent a query question sentence through traversing centered on an entity node and design of an extraction rule; and mapping finding is carried out on sub-graphs, which cover all answers, in the knowledge graph on the basis of the query graph. Through constructing semantic vectors of paths and phrases, similarity of matching iscalculated while filtering and screening on the answer sub-graphs are realized, and thus candidate answers are obtained. According to the method of the invention, a solution is concise, and an effectis obvious.
Owner:HUAZHONG UNIV OF SCI & TECH

Search method, apparatus and device

The invention discloses a search method. The method includes identifying a first object to be translated and a second object to be translated from an input content under a user operation according toa separation mode of the object to be translated under the user operation in response to a user operation of inputting the object to be translated; and identifying the first object to be translated and the second object to be translated from the input content under the user operation; searching the first object to be translated and the second object to be translated to obtain first interpretationinformation and second interpretation information, wherein the first interpretation information is interpretation information of the first object to be translated and the second interpretation information is interpretation information of the second object to be translated; presenting the first interpretation information in correspondence with the first object to be translated and presenting the second interpretation information in correspondence with the second object to be translated. By the method provided by the embodiment of the invention, the user can search and view the explanation information of a plurality of objects to be translated at the same time, so that the query operation of the user is simplified. In addition, the invention also discloses a searching device.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
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