Method and system for searching unstructured textual data for quantitative answers to queries
US8447766B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Dec 17, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/334
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method of querying a collection of electronic documents, comprising defining a query for retrieving a numerical answer, said query comprising one or more search terms and a tolerance for said numerical answer; defining a set of document portions from said collection, each document portion in said set being extracted from an electronic document and comprising at least one term relevant to at least one of the one or more search terms and a numerical value associated with the at least one term; ordering the associated numerical values contained in said set; defining a plurality of results groups, each results group comprising an interval of ordered numerical values, each interval having a range not exceeding the tolerance; ranking the results groups; and returning at least the interval of the highest ranked results group as a response to said query A computer program product for executing this method on a computer processor and a server are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.