Punctuation controlled temporal reference data lookup
US11113197B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Apr 8, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Apr 10, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/608
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for joining an event stream with reference data includes loading a plurality of reference data snapshots from a reference data source into a cache. Punctuation events are supplied that indicate temporal validity for the plurality of reference data snapshots in the cache. A logical barrier is provided that restricts a flow of data events in the event stream to a cache lookup operation based on the punctuation events. The cache lookup operation is performed with respect to the data events in the event stream that are permitted to cross the logical barrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.