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US9378233B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2013 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Aug 2, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/252
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system includes determination of a value identifier for each value of a first table, based on a data dictionary of a second table, generation of a hash function, the hash function mapping, for each row of the first table, one or more value identifiers of one or more columns of the row to a pointer to the row, application of the hash function to one or more value identifiers of a row of a second table, determination of whether the output of the hash function is a valid hash, and, if it is determined that the output of the hash function is a valid hash, determination that the row of the second table is associated with the first table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.