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US Patent 5265065 - Method and apparatus for information retrieval from a database by replacing domain specific stemmed phases in a natural language to create a search query
US Patent Issued on November 23, 1993
Estimated Patent Expiration Date:
October 8, 2011Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
October 8, 2011Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA computer implemented process for creating a search query for an information retrieval system in which a database is provided containing a plurality of stopwords and phrases. A natural language input query defines the composition of the test of documents to be identified. Each word of the natural language input query is compared to the database in order to remove stopwords from the query. The remaining words of the input query are stemmed to their basic roots, and the sequence of stemmed words in the list is compared to phrases in the database to identify phrases in the search query. The phrases are substituted for the sequence of stemmed words from the list so that the remaining elements, namely the substituted phrases and unsubstituted stemmed words, form the search query. The completed search query elements are query nodes of a query network used to match representation nodes of a document network of an inference network. The database includes as options a topic and key database for finding numerical keys, and a synonym database for finding synonyms, both of which are employed in the query as query nodes.Other References
| InventorAssigneeApplicationNo. 773101 filed on 10/08/1991US Classes:707/4, Query formulation, input preparation, or translation707/5Query augmenting and refining (e.g., inexact access)ExaminersPrimary: Lee, Thomas C.Assistant: Amsbury, Wayne Attorney, Agent or FirmUS Patent References4241402, Finite state automaton with multiple state typesIssued on: 12/23/1980 Inventor: Mayper, Jr. , et al.4270182, Automated information input, storage, and retrieval system Issued on: 05/26/1981 Inventor: Asija4358824, Office correspondence storage and retrieval system Issued on: 11/09/1982 Inventor: Glickman , et al.4384329, Retrieval of related linked linguistic expressions including synonyms and antonyms Issued on: 05/17/1983 Inventor: Rosenbaum , et al.4471459, Digital data processing method and means for word classification by pattern analysis Issued on: 09/11/1984 Inventor: Dickinson , et al.4499553, Locating digital coded words which are both acceptable misspellings and acceptable inflections of digital coded query words Issued on: 02/12/1985 Inventor: Dickinson , et al.4554631, Keyword search automatic limiting method Issued on: 11/19/1985 Inventor: Reddington4580218, Indexing subject-locating method Issued on: 04/01/1986 Inventor: Raye4650848, Terpolymers of acrylamide, alkylacrylamide and betaine monomers Issued on: 03/17/1987 Inventor: Schulz , et al.4688195, Natural-language interface generating system Issued on: 08/18/1987 Inventor: Thompson , et al.4706212, Method using a programmed digital computer system for translation between natural languages Issued on: 11/10/1987 Inventor: Toma4787035, Meta-interpreter Issued on: 11/22/1988 Inventor: Bourne4823306, Text search system Issued on: 04/18/1989 Inventor: Barbic , et al.4839853, Computer information retrieval using latent semantic structure Issued on: 06/13/1989 Inventor: Deerwester , et al.4862408, Paradigm-based morphological text analysis for natural languages Issued on: 08/29/1989 Inventor: Zamora4868750, Collocational grammar system Issued on: 09/19/1989 Inventor: Kucera , et al.4914590, Natural language understanding system Issued on: 04/03/1990 Inventor: Loatman, et al.4918588, Office automation system with integrated image management Issued on: 04/17/1990 Inventor: Barrett, et al.4931935, User interface system for permitting natural language interaction with an information retrieval system Issued on: 06/05/1990 Inventor: Ohira, et al.4972349, Information retrieval system and method Issued on: 11/20/1990 Inventor: Kleinberger4974191, Adaptive natural language computer interface system Issued on: 11/27/1990 Inventor: Amirghodsi, et al.4991087, Method of using signature subsets for indexing a textual database Issued on: 02/05/1991 Inventor: Burkowski, et al.5099425, Method and apparatus for analyzing the semantics and syntax of a sentence or a phrase Issued on: 03/24/1992 Inventor: 5109509, System for processing natural language including identifying grammatical rule and semantic concept of an undefined word Issued on: 04/28/1992 Inventor: Katayama, et al. 5117349, 5123103Method and system of retrieving program specification and linking the specification by concept to retrieval request for reusing program parts Issued on: 06/16/1992 Inventor: Ohtaki, et al. International ClassesG06F 015/40G06F 007/10 |
