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. 11, 2007
Filed:
Nov. 16, 2001
Takahiko Kawatani, Kanagawa, JP;
Takahiko Kawatani, Kanagawa, JP;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A document segmentation method of detecting segmentation points where a topic of an input document is discontinuous before and after the point to divide the document into plural blocks includes: detecting terms that occur in an input document; segmenting the input document into document segments, each segment being an appropriate sized chunk; generating document segment vectors with as its elements values related to frequencies of the terms occurring in the document segments; calculating eigenvalues and eigenvectors of a square sum matrix of the document segment vectors; selecting the basis vectors consisting a subspace from the eigenvectors to calculate the topic continuity of the document segments; calculating vectors with as their elements the values corresponding to the projection values of the each document segment vector onto the basis vector; and determining segmentation points of the document based on the continuity of the projected vectors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile