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:
Jan. 16, 2001
Filed:
Jan. 05, 1998
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A retrieval apparatus is capable of simultaneously executing keyword retrieval and semantic retrieval of information. The retrieval apparatus includes an input for inputting a request-text for retrieval, a word dictionary for storing words together with corresponding word vectors in n-vector space, a database containing a plurality of data including at least a word, word extracting structure for extracting a word in the request-text by using the word dictionary, vector generating structure for generating a request-text vector from the request-text by using the word dictionary and the word extracting structure, vector retrieving structure for determining semantic similarity of each data vector to the request-text vector, keyword retrieving structure for searching data containing a word corresponding to that in the request-text by using the word extracting structure and extended retrieving structure for retrieving data adapted to the request-text on the basis of the semantic similarity of the data vector to the request-text vector and the number of the words commonly included in the data and the request-text.