The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2012
Filed:
Aug. 18, 2010
Han Yu LI, Beijing, CN;
Sheng Ping Liu, Beijing, CN;
Jing Mei, Beijing, CN;
Yuan NI, Beijing, CN;
Guo Tong Xie, Beijing, CN;
Han Yu Li, Beijing, CN;
Sheng Ping Liu, Beijing, CN;
Jing Mei, Beijing, CN;
Yuan Ni, Beijing, CN;
Guo Tong Xie, Beijing, CN;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A computer-implemented method, computer-implemented system, and a computer program product for answering a database-based query of a computerized database system. The method includes: generating a canonical individual ind' with respect to a role and a concept, for an existential restriction in an ontology used in the computerized database system; converting implicit data in original data into explicit data using the canonical individual ind′ and the ontology; and retrieving an answer meeting all query conditions in a query from the original data and the converted explicit data. The computer-implemented system includes: a canonical individual generation unit; a data conversion engine; and a query unit.