Methods and apparatus, using expansion attributes having default, values, for matching entities and predicting an attribute of an entity
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United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Jan 22, 1998
filing date -
Jan 22, 1998
priority date (Note) -
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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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