CONCEPT-BASED SEARCH AND RETRIEVAL SYSTEM

Patent №

US 6,675,159

Granted

2004-01-06

Filed 2000

Owner

SCIENCE APPLICATIONS INTERNATIONAL CORPORATION

+1 more

Lab

—

AI components

ml · nlp · speech · kr · planning · hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

09627295

A concept-based indexing and search system indexes collections of documents with ontology-based predicate structures through automated and/or human-assisted methods. The system extracts the concepts behind user queries to return only those documents that match those concepts. The concept based search and retrieval system comprehends the intent behind a query from a user, and returns results matching that intent. The system can perform off-line searches for unanswered user queries and notify the user when a match is found.

Machine learning Natural language Speech Knowledge representation Planning AI hardwareG06F 40/205G06F 16/2457G06F 16/3334G06F 16/3338G06F 16/353G06F 16/367G06F 40/216G06F 40/253+1 more

Google Patents

AI classification

Natural language1.00

Knowledge representation1.00

Machine learning1.00

Planning1.00

AI hardware0.94

Speech0.60

Evolutionary computation0.01

Vision0.00

Ownership

SCIENCE APPLICATIONS INTERNATIONAL CORPORATION

assignment · 109700601

LEIDOS, INC.

namechg · 326420505

Assignors

LIN, ALBERT DEIRCHOW, GRAYDON, PATRICK JOHN, BUSCH, JUSTIN ELIOT, CAUDILL, MAUREEN, CHINCHOR, NANCY ANN, TSENG, JASON CHUN-MING, WANG, LEI, PANCHO, BRYNER SABIDO, KLEIN, KENNETH SCOTT, TIJERINO, YURI ADRIAN

On an employer assignment, the assignors are typically the inventors.

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Cites (37)

MULTILEVEL TAXONOMY BASED ON FEATURES DERIVED FROM TRAINING DOCUMENTS CLASSIFICATION USING FISHER VALUES AS DISCRIMINATION VALUESUS 6,233,575 · 2001 DOWN-LINE TRANSCRIPTION SYSTEM HAVING CONTEXT SENSITIVE SEARCHING CAPABILITYUS 6,055,531 · 2000 DOCUMENT LINK MANAGEMENT USING DIRECTORY SERVICESUS 6,049,799 · 2000 CONCEPT KNOWLEDGE BASE SEARCH AND RETRIEVAL SYSTEMUS 6,038,560 · 2000 USER INTERFACE AND OTHER ENHANCEMENTS FOR NATURAL LANGUAGE INFORMATION RETRIEVAL SYSTEM AND METHODUS 6,026,388 · 2000 SPEECH RECOGNITION APPARATUS FOR CONSUMER ELECTRONIC APPLICATIONSUS 6,021,387 · 2000 METHOD FOR PARSING, INDEXING AND SEARCHING WORLD-WIDE-WEB PAGESUS 6,021,409 · 2000 MULTILINGUAL DOCUMENT RETRIEVAL SYSTEM AND METHOD USING SEMANTIC VECTOR MATCHINGUS 6,006,221 · 1999 NATURAL LANGUAGE INFORMATION RETRIEVAL SYSTEM AND METHODUS 5,963,940 · 1999 INTEGRATION OF LINK GENERATION, CROSS-AUTHOR USER NAVIGATION, AND REUSE IDENTIFICATION IN AUTHORING PROCESSUS 5,956,708 · 1999 INFORMATION PRESENTATION IN A KNOWLEDGE BASE SEARCH AND RETRIEVAL SYSTEMUS 5,940,821 · 1999 APPARATUS AND METHODS FOR AN INFORMATION RETRIEVAL SYSTEM THAT EMPLOYS NATURAL LANGUAGE PROCESSING OF SEARCH RESULTS TO IMPROVE OVERALL PRECISIONUS 5,933,822 · 1999 SYSTEM AND METHOD FOR ACCELERATED QUERY EVALUATION OF VERY LARGE FULL-TEXT DATABASESUS 5,915,249 · 1999 NATURAL LANGUAGE PROCESSING SYSTEM FOR SEMANTIC VECTOR REPRESENTATION WHICH ACCOUNTS FOR LEXICAL AMBIGUITYUS 5,873,056 · 1999 NATURAL LANGUAGE UNDERSTANDING SYSTEMUS 5,794,050 · 1998 SPEECH RECOGNITION APPARATUS FOR CONSUMER ELECTRONIC APPLICATIONSUS 5,790,754 · 1998 DATA ANALYZING METHOD AND SYSTEMUS 5,761,389 · 1998 RESTRICTED EXPANSION OF QUERY TERMS USING PART OF SPEECH TAGGINGUS 5,721,902 · 1998 CONTENT PROCESSING SYSTEM FOR DISCOURSEUS 5,694,523 · 1997 PARSING SYSTEMUS 5,687,384 · 1997 SYSTEM FOR DECREASING THE TIME REQUIRED TO PARSE A SENTENCEUS 5,475,588 · 1995 CONCEPT MATCHING OF NATURAL LANGUAGE QUERIES WITH A DATABASE OF DOCUME NT CONCEPTSUS 5,418,948 · 1995 METHOD FOR NATURAL LANGUAGE DATA PROCESSING USING MORPHOLOGICAL AND PART-OF-SPEECH INFORMATIONUS 5,331,556 · 1994 METHOD AND APPARATUS FOR PARAPHRASING INFORMATION CONTAINED IN LOGICAL FORMSUS 5,237,502 · 1993 COMPUTER METHOD FOR IDENTIFYING PREDICATE-ARGUMENT STRUCTURES IN NATURAL LANGUAGE TEXTUS 5,146,406 · 1992

and 12 more

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