Optimizing window joins over data streams based on model topologies
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United States of America Patent
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Dec 8, 2020
Grant Date -
Sep 29, 2016
app pub date -
Jan 30, 2014
filing date -
Jan 30, 2014
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Abstract
Optimizing window joins over data streams can include receiving an input topology and calculating costs of computing a join of data streams based on a number of model topologies, and determining an optimal topology based on the calculated costs and the input topology, wherein the input topology, the model topologies, and the optimal topology each include a number of interconnected operators.
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