The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 29, 2010

Filed:

May. 19, 2007
Applicants:

Gajanan S. Chinchwadkar, Fremont, CA (US);

Zhang Wei, Shanghai, CN;

Xiong Zhiping, Shanghai, CN;

Inventors:

Gajanan S. Chinchwadkar, Fremont, CA (US);

Zhang Wei, Shanghai, CN;

Xiong Zhiping, Shanghai, CN;

Assignee:

Sybase, Inc., Dublin, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01);
U.S. Cl.
CPC ...
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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