System and method for measuring the quality of document sets

Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval

Reexamination Certificate

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C707S777000, C707SE17046

Reexamination Certificate

active

08051084

ABSTRACT:
Systems and methods are described that calculate the interestingness of a set of one or more records in a database, either absolutely (i.e., compared to an overall collection of records) or relative to some other set of records. In one embodiment, the measure is a relative entropy value that has been normalized. Various applications of the measure are described in the context of an information retrieval system. These applications include, for example, guiding query interpretation, guiding view selection and summarization, intelligent ranges, event detection, concept triggers and interpreting user actions, hierarchy discovery, and adaptive data mining.

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