Unisys has been granted a patent for an apparatus and method for database access control. The technology involves parsing statements, computing skip counts, and efficiently evaluating access requests to data files stored in memory. This innovation aims to enhance the efficiency of evaluating lengthy statements for access control. GlobalData’s report on Unisys 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 Unisys, MITM attack solutions was a key innovation area identified from patents. Unisys's grant share as of May 2024 was 80%. Grant share is based on the ratio of number of grants to total number of patents.
Database access control method using skip counts for efficiency
A recently granted patent (Publication Number: US11977650B2) outlines a method for efficiently evaluating lengthy statements to determine access to data files stored in a memory medium. The method involves receiving a user access request, parsing the statement into arguments, computing skip counts based on logical operators, and evaluating the statement using these skip counts. If access is granted, the data file is retrieved and sent to the user. The patent emphasizes the use of skip counts to skip portions of the statement during evaluation, enhancing efficiency.
Furthermore, the patent includes detailed claims related to parsing statements with user identities, logical operators, and parentheses, as well as computing skip counts by counting left parentheses and setting variables. The method is designed to handle complex statements by efficiently evaluating arguments and determining access rights based on skip counts. The patent also extends to a computer program product and an apparatus, both configured to execute the steps outlined in the method, emphasizing the practical application of this innovative approach to data access control.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
