Compressed storage of documents using inverted indexes

Details Compressed storage of documents using inverted indexes Compressed storage of documents using inverted indexes

2008-03-27

2010-12-14

LeRoux, Etienne P (Department: 2161)

Data processing: database and file management or data structures

Database and file access

Preparing data for information retrieval

Reexamination Certificate

active

07853598

ABSTRACT:
A system may include a provider database, a reader database, and a database management system. The provider database may include a provider data area having a plurality of provider block addresses, and the reader database may include a reader data area having a plurality of reader block addresses, and a mapping of provider-specific identifiers to block addresses of the plurality of provider data pages and of reader-specific identifiers to block addresses of the plurality of reader data pages. The database management system may modify a database object of the reader database, the object being is associated with a provider-specific identifier; and modify the mapping to map the provider-specific identifier to a first block address of one of the plurality of reader data pages.

REFERENCES:
patent: 5715195 (1998-02-01), Smayling et al.
patent: 6131082 (2000-10-01), Hargrave et al.
patent: 6532492 (2003-03-01), Presler-Marshall
patent: 2008/0126335 (2008-05-01), Gandhi et al.

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