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Answering top-K selection queries in a relational engine

  • US 20060212429A1
  • Filed: 03/17/2005
  • Published: 09/21/2006
  • Est. Priority Date: 03/17/2005
  • Status: Abandoned Application
First Claim
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1. A system that facilitates query processing, comprising:

  • a receiving component that receives a top-k query for a relational data; and

    a query optimization component that determines an optimal execution plan for providing a top-k set of ordered tuples for the query via consideration, at least in part, of a threshold-based process that employs metadata associated with the relational data.

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