Literaturnachweis - Detailanzeige
Autor/in | Jarvelin, Kalervo |
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Titel | A Straightforward Method for Advance Estimation of User Charges for Information in Numeric Databases. |
Quelle | In: Journal of Documentation, 42 (1986) 2, S.65-83 |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Cost Estimates; Fees; Literature Reviews; Marketing; Mathematical Formulas; Models; Online Searching; Online Systems; Search Strategies |
Abstract | Describes a method for advance estimation of user charges for queries in relational data model-based numeric databases when charges are based on data retrieved. Use of this approach is demonstrated by sample queries to an imaginary marketing database. The principles and methods of this approach and its relevance are discussed. (MBR) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |