Patent · US Active

String and sub-string searching using inverted indexes

US8498972B2 · kind B2 · utility

5Cited by
19References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2010
Grant dateJul 30, 2013
Priority date
Expiry dateSep 16, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F16/41
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Inverted indexes for terms and for term separators are separately provided to minimize data redundancy. Search queries are parsed to identify terms and term separators, if any, and the corresponding inverted indexes are searched for responsive documents. Related apparatus, systems, techniques and articles are also described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.