Alibaba Group has been granted a patent for a method that enhances the efficiency of spatial data queries by creating a tree-structured spatial index in a database table. The method involves acquiring a spatial filter condition and querying the index to obtain query results based on the condition. GlobalData’s report on Alibaba Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Alibaba Group, Blockchain-based property authentication was a key innovation area identified from patents. Alibaba Group's grant share as of April 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Efficient spatial data querying method using tree-structured spatial index
A recently granted patent (Publication Number: US11995059B2) discloses a method and apparatus for querying spatial data in a database table efficiently. The method involves determining the database table, acquiring a query condition with a spatial query field, obtaining a tree-structured spatial index of the table, and querying the index to obtain results based on the query condition. The process includes matching spatial field IDs, querying composite spatial indexes, and retrieving alternative records if necessary to meet the query condition. The apparatus, comprising processors and computer-readable media, executes instructions to perform these acts, ensuring optimized querying of spatial data in the database table.
Furthermore, the patent details the querying process based on the spatial query field, non-spatial query field, and index columns within the composite spatial index. It also covers scenarios where the length condition and primary key information are utilized for efficient data retrieval. The method and apparatus aim to streamline the querying process by leveraging tree-structured spatial indexes, covering index scans, and spatial computations on alternative records. The patent emphasizes the importance of spatial query information, minimum bounding rectangle operations, and the structure of the spatial index nodes for effective querying of spatial data in database tables. Overall, the invention provides a systematic approach to handle spatial queries in database tables, enhancing the efficiency and accuracy of data retrieval processes.
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