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61 results about "Nested data" patented technology

In data structures, data organizations that are separately identifiable but also part of a larger data organization are said to be nested within the larger organization. A table within a table is a nested table.

Method for graphically displaying ICD [IED (intelligent electronic device) capability description] virtual terminals of intelligent substations

The invention discloses a method for graphically displaying ICD [IED (intelligent electronic device) capability description] virtual terminals of intelligent substations. The method includes reading N ICD files, parsing each ICD file, constructing IED objects and expressing objects such as LD (logical devices), control blocks, input virtual terminals and output virtual terminals of each IED by the aid of nested data structures; displaying names of the various ICD files in lists; drawing integral layout charts of the input and output virtual terminals of each IED corresponding to a certain ICD in a graphical mode; responding to events such as click arrows and rectangular frames on graphical interfaces, respectively displaying description and quotation of GOOSE (generic object oriented substation event) or SV (sample value) types of input virtual terminals in tables and displaying description and quotation of various output virtual terminals of transmission data sets corresponding to the control blocks. The method has the advantage that a technical effect of quickly and visually switching the graphical interfaces of the integral layout charts into the input virtual terminal and output virtual terminal tables to check details of the input virtual terminal and output virtual terminal tables can be realized.
Owner:STATE GRID SICHUAN ECONOMIC RES INST +4

Data nested storage method and device, electronic equipment and computer readable medium

The invention provides a data nested storage method and device, electronic equipment and a computer readable medium, and belongs to the technical field of the Internet. The data nested storage methodcomprises the steps: judging the granularity of received to-be-processed data to obtain granularity levels, wherein the to-be-processed data at least comprises two granularity levels; constructing a nested data structure for the to-be-processed data according to the granularity level, wherein the nested data structure comprises a data primary key corresponding to the to-be-processed data; fillingthe to-be-processed data according to the data primary key to obtain filled data, and marking the data primary key by using the granularity level with the highest level; and storing the filling data into a database according to the data main key memory. According to the data nested storage method, the nested data structures are constructed for the data of different granularity levels respectively,so that cache waiting is not needed during data storage, and the data of any granularity can be stored in real time, and the data query performance is improved, and the multi-data storage process issimplified.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Method for generating symbol table and static data flow graph in COStream grammatical analysis process

The invention discloses a method for generating a symbol table and a static data flow graph in a COStream grammatical analysis process, and belongs to the field of compiling. For a special grammar structure in COStream and reading and writing requirements on variable values, data flow types and Composite parameters in a static data flow diagram generation process, a hierarchical structure action domain and three symbol tables are designed, so that quick storage and reading of the action domain are realized. On the basis of the symbol table, simulation of an execution context is achieved, and parameter information transferred by Composite calling is calculated in the compiling process; in combination with the parameter information called by the Composite, a program execution path containingthe Composite call is determined, constant transmission of the conditional statements and the loop statements is achieved, and more constant information contained in a program is mined. According tothe constant information, the program containing a variable control computing node is compiled. By implementation of the nested data stream structure, when a COStream is used for programming, Spitjoinand Pipeline programming structures can be used in a nested manner, so that the user friendliness of the COStream is improved.
Owner:HUAZHONG UNIV OF SCI & TECH
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