1
Howard R Turtle: Concept matching of natural language queries with a database of document concepts. West Publishing Company, Kinney & Lange, May 23, 1995: US05418948 (281 worldwide citation)

A 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 text of documents to be identified. Each word of the natural l ...


2
Jack G Conrad, Joanne R S Claussen: Information retrieval systems with database-selection aids. Thomson Reuters Global Resources, Norton Rose Fulbright US, April 18, 2017: US09626406

A method for enabling a user to search database profiles includes receiving user input categorizing an information need, and determining whether the user input corresponds to a first or a second type of category. In response to determining that the user input corresponds to the first category type, ...