Natural language based location query system, keyword based location query system and a natural language and keyword based location query system
US7937402B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2007 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Jun 5, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/9537
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A natural language based location query system and a method thereof. The system comprises a receiving device which receives a request for natural language query from a user terminal; an access device which accesses a location ontology base and a location query language base that are external to the system or internal in the system, wherein the location ontology base comprising knowledge descriptions about the field of a location service, and the location query language base comprising a language model for the location service query; a natural language query processing device which performs at least one of a fuzzy processing and an indirection processing on the received request for natural language query by searching the location ontology base and the location query language base with the access device, retrieves location information corresponding to the request from a location database; and a sending device which sends the location information to the user terminal. This invention also provides a keyword based location query system and a method thereof, and a natural language based and keyword based location query system and a method thereof. This invention not only process user fuz…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.