Computer product, information retrieving apparatus, and information retrieving method
US8190632B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2009 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | May 25, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/9027
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer-readable recording medium stores therein an information retrieving program that causes a computer to execute acquiring a document to be searched and having a hierarchical structure; generating a path schema related to the acquired document; receiving input of a retrieval keyword, a retrieval condition for the retrieval keyword, and a retrieval equation specifying a retrieval range for the retrieval keyword; generating a single automaton that includes a hierarchy retrieval automaton that retrieves a hierarchy of the generated path schema and a hit keyword retrieval automaton that retrieves a hit keyword satisfying the retrieval condition, the single automaton making state transition between a hit hierarchical node where the hit keyword in the hierarchy retrieval automaton is present and a set of nodes representing the hit keyword; retrieving, from the document and using the single automaton, the hit keyword within the retrieval range; and outputting a retrieval result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.