Information processor, method of processing information, and program
US8321418B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 13, 2011 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Feb 18, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/284
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An information processor carrying out statistical natural language processing for a document, the information processor includes a characteristic amount extraction unit configured to detect context information including a proper noun pair from the document and extract a characteristic amount of the detected context information; a characteristic amount analysis unit configured to, by analyzing the characteristic amount of the extracted context information using a probability model in which a document topic meaning an entire topic of the document and a context topic meaning a local topic of the document are considered, estimate a potential variable and a context topic ratio in the probability model; and a clustering unit configured to cluster the proper noun pair included in the context information based on the context topic ratio estimated regarding the characteristic amount of the respective context information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.