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US Patent 8159374 Unicode-compatible dictionary compression

Patent 8159374 was granted and assigned to Red Hat on April, 2012 by the United States Patent and Trademark Office.

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Patent

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Current Assignee
Red Hat
Red Hat
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8159374
Date of Patent
April 17, 2012
Patent Application Number
12628076
Date Filed
November 30, 2009
Patent Citations Received
‌
US Patent 11838035 Using predicates in conditional transcoder for column store
3
Patent Primary Examiner
‌
Joseph Lauture
Patent abstract

A character data set is compressed with a compression algorithm module of a computer system to generate one or more streams of encoded values. A code point mapper assigns the encoded values to code points reserved for private use in a Unicode format. An encoder encodes the streams of assigned encoded values using a Unicode Transformation Format (UTF). A dictionary of the compression algorithm initially includes code points assigned by the Unicode format. New entries are successively assigned to private use code points.

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