Patent · US Active

Generation and use of delta index

US9703819B2 · kind B2 · utility

2Cited by

9References

1Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Ming Qun Chi · Beijing, CN
Si Bin Fan · Beijing, CN
Peng Hui Jiang · Beijing, CN
Qiang Song · Beijing, CN

Key dates

Filing date	Mar 15, 2016
Grant date	Jul 11, 2017
Priority date	—
Expiry date	Mar 15, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/334
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

According to an embodiment of the present disclosure, it is determined whether a delta index is beneficial based on the difference between a first version and a second version of a document, wherein the first version is associated with a first index comprising a plurality of keywords appeared in the first version. The delta index is generated for the difference between the first and second versions if the delta index is beneficial, wherein the delta index comprises a first section including information about one or more keywords affected by the difference and the information about the positions of the affected keywords.

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