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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 2 of 2 1 Book reviews [<Journal>] Patton, Peter C. [Verfasser]; Clark, William W. [Verfasser]; Francis, W. Nelson [Verfasser]. DNB Subject Category Language Show details 2 Advanced Query Techniques. Mah,Clinton P; Morris,John M In: DTIC AND NTIS (1979) Abstract: The report describes an RADC sponsored R&D effort directed at providing an improved natural language access to differently formatted target databases. Section I defines functional characteristics of on-line intelligence information systems within the current state-of-the-art; describes the rationale of the AQT effort, and provides a comparison between the AQT approach and other approaches inherent in the existing information systems with a practical orientation. Section II describes basic concepts of the AQT approach (extended relational data models, intermediate query language, table driven translation). Linguistic implementation of natural language query techniques is provided in Section III. Section IV deals with the methodology of accessing differently formatted target databases. Section V describes some special problems in querying target databases (e.g., generic keys, ellipsis, purging a context, conversational postulates). Section VI constitutes a detailed description of the presently available AQT testbed system. Section VII provides criteria for evaluation of user interface languages for database management systems. Section VIII is a statement of conclusions including present status and results; operational evaluation criteria; areas for further work, plans, summary and directions. Keyword: *DATA BASES; *INFORMATION RETRIEVAL; *SEARCHING; COMPUTER PROGRAMMING; Data base management systems; DATA MANAGEMENT; EXPERIMENTAL DESIGN; FORMATS; FORTRAN; Information Science; NATURAL LANGUAGE; PDP-11/70 computers; PE62702F; Query program; TEST BEDS; WURADC45940119 URL: http://www.dtic.mil/docs/citations/ADA079626 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA079626 BASE Hide details

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