Nested complex sequence pattern queries over event streams
US9298773B2 · kind B2 · utility
1Cited by
3References
20Claims
0Family size
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Key dates
| Filing date | Mar 27, 2012 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Nov 18, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/951
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of evaluating nested complex sequence pattern queries includes obtaining events from an event stream and evaluating the events within a first window using an outer query to produce outer partial results. The method also includes determining a more stringent window constraint, the more stringent window constraint comprising a subset of the window constraint corresponding to events that produces the outer partial results and passing the more stringent window constraint to an inner query nested within the outer query. A complex event processing system is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.