Extended markup language (XML) indexing method for...

Details Extended markup language (XML) indexing method for... Extended markup language (XML) indexing method for...

2006-11-21

2006-11-21

Mofiz, Apu M. (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

07139746

ABSTRACT:
Provided is a path index lookup method, i.e., an extended markup language (XML) indexing method by which a relational database can stably process a query regardless of how a user defines the query. In the path index lookup method, a regular path expression with a certain length can be processed through a single joining operation using a PathLookup table and an ExtendedEdge table. Thus, a regular path expression query, which is a core type of XML user query, can be stably and quickly processed regardless of how a user describes the query.

REFERENCES:
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patent: 6826568 (2004-11-01), Bernstein et al.
patent: 6901410 (2005-05-01), Marron et al.
patent: 6912538 (2005-06-01), Stapel et al.
patent: 2001-34619 (2001-02-01), None

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