SYSTEMS AND METHODS FOR DETECTING AND COORDINATING CHANGES IN LEXICAL ITEMS
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United States of America Patent
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Mar 18, 2016
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Nov 29, 2008
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Abstract
Systems and methods for efficiently detecting and coordinating step changes, trends, cycles, and bursts affecting lexical items within data streams are provided. Data streams can be sourced from documents that can optionally be labeled with metadata. Changes can be grouped across lexical and/or metavalue vocabularies to summarize the changes that are synchronous in time. The methods described herein can be applied either retrospectively to a corpus of data or in a streaming mode.
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