Patents by Inventor Gajanan S. Chinchwadkar

Gajanan S. Chinchwadkar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Database system providing methodology for execution of functions in XML queries
    Patent number: 8290977
    Abstract: A database system providing methodology for execution of functions in queries requesting data from markup language documents is described. In one embodiment, for example, a method is described for executing a function in a query requesting data from a markup language document stored in a database, the markup language document organized hierarchically into nodes, the method comprises steps of: receiving the query requesting data from the markup language document, the query including a function to be executed during execution of the query; determining nodes of the markup language document satisfying the query; deriving values of the nodes of the markup language document; and executing the function with the derived values and the nodes of the markup language document.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: October 16, 2012
    Assignee: Sybase Inc.
    Inventors: Gajanan S. Chinchwadkar, Anupam Singh, Srikanth Sampath, Phil Shaw
  • Database system and methodology for processing path based queries
    Patent number: 7747610
    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.
    Type: Grant
    Filed: May 19, 2007
    Date of Patent: June 29, 2010
    Assignee: Sybase, Inc.
    Inventors: Gajanan S. Chinchwadkar, Zhang Wei, Xiong Zhiping
  • Database System With Path Based Query Engine
    Publication number: 20080114803
    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.
    Type: Application
    Filed: May 19, 2007
    Publication date: May 15, 2008
    Applicant: SYBASE, INC.
    Inventors: Gajanan S. Chinchwadkar, Zhang Wei, Xiong Zhiping