Real-time multi-pattern detection over event streams
US11875199B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2020 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | Apr 23, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2453
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system comprising: at least one hardware processor; and a non-transitory computer-readable storage medium having stored thereon program instructions, the program instructions executable by the at least one hardware processor to: receive a data stream representing events; receive a plurality of complex event patterns (CEPs) comprising (a) a set of conditions reflecting relations among said events, and (b) a set of attributes associated with each of said events; and calculate an optimal multi-pattern evaluation plan corresponding to said CEPs by: (i) generating an initial evaluation plan, (ii) applying a search method to calculate modified versions of said initial evaluation plan, (iii) assigning a score to each of said modified versions based on a cost function, and (iv) selecting one of said modified versions having a highest said score as said optimal multi-pattern evaluation plan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.