U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Compressed representation of a data base that permits AD HOC querying

Patent 5946692 Issued on August 31, 1999. Estimated Expiration Date: Icon_subject May 8, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Issued on: 10/26/1993
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Data search and compression device and method for searching and compressing repeating data
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Inventor: Pellicano

Data compression system and method representing records as differences between sorted domain ordinals representing field values
Patent #: 5603022
Issued on: 02/11/1997
Inventor: Ng, et al.

Method and system for searching compressed data
Patent #: 5737733
Issued on: 04/07/1998
Inventor: Eller

Method for sampling a compressed index to create a summarized index
Patent #: 5765158
Issued on: 06/09/1998
Inventor: Burrows

Method and apparatus for an ulnar collateral ligament thumb support
Patent #: 5787896
Issued on: 08/04/1998
Inventor: Sackett

Apparatus and method for searching through compressed, structured documents Patent #: 5812999
Issued on: 09/22/1998
Inventor: Tateno

Inventors

Assignee

Application

No. 848454 filed on 05/08/1997

US Classes:

707/101, Manipulating data structure (e.g., compression, compaction, compilation)707/1, DATABASE OR FILE ACCESSING707/2, Access augmentation or optimizing707/3, Query processing (i.e., searching)707/100DATABASE SCHEMA OR DATA STRUCTURE

Examiners

Primary: Kulik, Paul V.
Assistant: Robinson, Greta

Foreign Patent References

  • WO 95/32477 WO. 11/13/1995
  • WO 95/30981 WO. 11/13/1995

International Class

G06F 017/30

Abstract

A method and system for compressing a data base that permits queries on the compressed representation of the data base. Another feature is that an approximation of the values of the data base are derivable directly from the compressed representation of the data base. Yet another feature is correction of poor approximations of the reconstructed data. Still another feature is the capability of performing aggregate queries of the compressed representation of the data base.

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