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METHOD AND APPARATUS FOR FUSING CONTEXT DATA

  • US 20080222057A1
  • Filed: 05/23/2008
  • Published: 09/11/2008
  • Est. Priority Date: 12/06/2002
  • Status: Abandoned Application
First Claim
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1. A system for fusing context data obtained from a plurality of sources, said system comprising:

  • one or more processors comprising;

    (a) means for receiving said context data including one or more context values from one or more information sources;

    (b) means for computing a quality measure for each context value;

    (c) means for organizing context values into one or more clusters, each cluster having a single context value and a single quality measure associated therewith;

    (d) means for selecting one or more clusters from said clusters according to one or more criteria; and

    (e) means for aggregating the assigned single context values and quality measures of said selected one or more clusters to generate a single representative context value and single representative quality measure;

    wherein said single representative context value and single representative quality measure are usable by a context aware application to avoid conflict and ambiguity among different information sources providing said context data,further comprising means for guiding clustering, selecting and aggregating operations used in generating said single representative context value, said guiding performed according to a respective clustering policy, selection policy, and aggregation policy,wherein a selection policy implements a step of selecting according to sum of areas of all context values divided by minimum bounding box of all context values in the cluster.

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