Efficient stream sharing for multi-user sensor data collection
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United States of America Patent
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Aug 5, 2014
Grant Date -
Sep 10, 2009
app pub date -
Mar 10, 2008
filing date -
Mar 10, 2008
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Abstract
The claimed subject matter provides systems and/or techniques that facilitate and/or effectuate efficient stream sharing for multi-user sensor data collection. The system includes mechanisms that locate within a query a specification that includes spatial regions over which data is required, based on the spatial regions the mechanism determines which sensors are situated within the region or ascertains which of the sensors in the region is actively streaming data and/or has persisted data in order to fulfill the query, constructs or utilizes a directed acyclic graph to obviate redundancy in a functional requirement included in the specification and imposed by the query, and formulates a result in fulfillment of the query that is delivered to an application.
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