Patents by Inventor Charles D. Chllahan, II

Charles D. Chllahan, II has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PARTITIONING AND REPARTITIONING FOR DATA PARALLEL OPERATIONS
    Publication number: 20090144346
    Abstract: A query that identifies an input data source is rewritten to contain data parallel operations that include partitioning and merging. The input data source is partitioned into a plurality of initial partitions. A parallel repartitioning operation is performed on the initial partitions to generate a plurality of secondary partitions. A parallel execution of the query is performed using the secondary partitions to generate a plurality of output sets. The plurality of output sets are merged into a merged output set.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 4, 2009
    Applicant: Microsoft Corporation
    Inventors: John Duffy, Edward G. Essey, Charles D. Chllahan, II