Data processing: database and file management or data structures – Database and file access – Query optimization
Reexamination Certificate
2007-05-19
2010-06-29
Vo, Tim T. (Department: 2168)
Data processing: database and file management or data structures
Database and file access
Query optimization
C707S717000
Reexamination Certificate
active
07747610
ABSTRACT:
A system and methodology for processing of path based queries is described. In one embodiment, a method for processing a path based query requesting data from a markup language document comprises steps of: parsing the path based query requesting data to generate a query tree corresponding to the path based query; identifying all paths which may be utilized for obtaining data requested by the path based query from the markup language document; creating a transformed query tree to represent all identified paths; generating a query plan for obtaining data requested by the path based query based on the transformed query tree; and executing the query plan to obtain and return the data requested by the path based query.
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Chinchwadkar Gajanan S.
Wei Zhang
Zhiping Xiong
Riddle G. Mack
Sanders Aaron
Smart John A.
Sybase Inc.
Vo Tim T.
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