SYSTEM, METHOD, AND PROGRAM PRODUCT FOR IDENTIFYING AND DESCRIBING TOPICS IN A COLLECTION OF ELECTRONIC DOCUMENTS
Patent №
US 6,775,677
Granted
2004-08-10
Filed 2000
Owner
INTERNATIONAL BUSINESS MACHINES CORPORATION
Lab
AI components
5
ml · nlp · kr · planning · hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
09517540
To identify and describe one or more topics in one or more documents in a document set, a term set process creates a basic term set from the document set where the term set comprises one or more basic terms of one or more words in the document. A document vector process then creates a document vector for each document. The document vector has a document vector direction representing what the document is about. A topic vector process then creates one or more topic vectors from the document vectors. Each topic vector has a topic vector direction representing a topic in the document set. A topic term set process creates a topic term set for each topic vector that comprises one or more of the basic terms describing the topic represented by the topic vector. Each of the basic terms in the topic term set associated with the relevancy of the basic term. A topic-document relevance process creates a topic-document relevance for each topic vector and each document vector. The topic-document relevance representing the relevance of the document to the topic. A topic sentence set process creates a topic sentence set for each topic vector that comprises of one or more topic sentences that describe the topic represented by the topic vector. Each of the topic sentences is then associated with the relevance of the topic sentence to the topic represented by the topic vector.
AI classification
Ownership
INTERNATIONAL BUSINESS MACHINES CORPORATION
assignment · 106650155
Assignors
ANDO, RIE KUBOTA, BOGURAEV, BRANIMIR K., BYRD, ROY JEFFERSON, COOPER, JAMES WILLIAM, NEFF, MARY SUSAN
On an employer assignment, the assignors are typically the inventors.