Expression evaluation of database statements for restricted data
US10565391B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Apr 26, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0643
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Computer systems, devices, and associated methods of evaluating an expression comprising restricted data are disclosed herein. In one embodiment, a method includes receiving a database statement from a client application and verifying the authenticity of the database statement. If the database statement is authentic, an approved expression is identified in the database statement for creating an evaluation rule. The method further includes restricting evaluation of expressions in a protected computing environment according to the created evaluation rule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.