Methods and apparatus for tuning a match between entities having

Details Methods and apparatus for tuning a match between entities having Methods and apparatus for tuning a match between entities having

1998-01-22

2000-11-07

Fetting, Anton W.

Data processing: database and file management or data structures

Database design

Data structure types

707 6, G06F 1730

Patent

active

061449644

ABSTRACT:
Matching (e.g., via correlation or similarity process) entities having attributes, some of which have associated values. The values of the attributes may be adjusted based on number of entities that have values for a particular attribute so that the values decrease as the number increases. The attributes of the entities may be harmonized and provided with default values so that entities being matched have common attributes defined by the union of the attributes of the entities being matched. The attributes of the entities may be expanded and provided with default values so that the entities being matched have attributes that neither had originally. Match values may be normalized to provide a weight value which may be used to predict an attribute value of a new entity based on known attribute values of known entities. The weight values may be tuned such that relatively high weights are amplified and relatively low weights are suppressed.

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