Method and apparatus for incorporating weights into data combina

Details Method and apparatus for incorporating weights into data combina Method and apparatus for incorporating weights into data combina

1997-08-29

2000-01-11

Amsbury, Wayne

Data processing: database and file management or data structures

Database design

Data structure types

707 3, 707 4, G06F 1730

Patent

active

060146648

ABSTRACT:
A data processing system provides the correct weighted combinational function for any unweighted combinational rules applied to a database. The system receives weights to be applied to data attributes, checks for ordering conditions and if necessary re-orders the weights, and produces the correct, unique combinational function that incorporates the user weights into the base combinational rules that otherwise would be applied to retrieve desired data from the database. Thus, the invention provides unprecedented flexibility in determining the proper computation of combined scoring functions.

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patent: 5606690 (1997-02-01), Hunter et al.
patent: 5640553 (1997-06-01), Schultz
patent: 5694593 (1997-12-01), Baclawski
Communications of the ACM, vol. 26, No. 12, G. Salton et al., Dec. 1983, Extended Boolean Information Retrieval, pp. 1022-1036.
Information Sciences, vol. 39, No. 2, D. Dubois et al., Sep. 1986, "Weighted Minimum and Maximum Operations in Fuzzy Set Theory", pp. 205-210 .

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