Welcome to HappyMealToys.com!

I collect happy meal toys from various fast food chains.

I am currently a member of the Yahoo! Store engineering team.


Dr. Jyh-Herng Chow
Yahoo! Inc., 701 First Avenue, Sunnyvale, CA 94089. Tel: 408-349-7286. Fax: 408-349-7966.
Email: chowjh@yahoo.com

  • Ph.D., Computer Science, University of Illinois at Urbana-Champaign, 1993
  • M.S., Computer Science, University of Illinois at Urbana-Champaign, 1990
  • B.S., Computer Science, National Taiwan University, 1985

  • Issued: (search US Patent Office)
    1. "Method, system, and program for accessing rows in one or more tables satisfying a search criteria", US Patent 6,856,996, 2/15/2005
    2. "XML document stored as column data ", US Patent 6,721,727, 4/13/2004
    3. "Generating small footprint applications for mobile devices", US Patent 6,654,762, 11/25/2003
    4. "Storing fragmented XML data into a relational database by decomposing XML documents with application specific mappings", US Patent 6,643,633, 11/4/2003
    5. "Generating one or more XML documents from a single SQL query", US Patent 6,636,845, 10/21/2003
    6. "Database extender for storing, querying, and retrieving structured documents", US Patent 6,584,459, 06/24/2003
    7. "Method and apparatus for indexing structured documents with rich data types", US Patent 6,519,597, 02/11/2003
    8. "Method and apparatus for creating structure indexes for a database extender", US Patent 6,421,656, 07/16/2002
    9. "Method and apparatus for querying structured documents using a database extender", US Patent 6,366,934, 4/2/2002
    10. "Data visualization of queries over joins", US Patent 6,356,896, 3/12/2002
    11. "Aggregate job performance in a multiprocessing system by incremental and on-demand task allocation among multiple concurrently operating threads", US Patent 6,304,866, 10/16/2001
    12. "Method and apparatus for creating an index in a database system", US Patent 6,240,407, 05/29/2001
    13. "Supporting dynamic tables in SQL query compilers, US Patent 5,930,795, 07/27/1999
    14. "System, method, and program for extending a SQL compiler for handling control statements packaged with SQL query statements", US Patent 5,875,334, 02/23/1999
  • Seven other applications pending.

  • Included in International Who's Who of Information Technology in 2000. Who's Who Historical Society.
  • Best Paper, International Conference on Parallel Processing, 1997.
  • Best Paper, CASCON 1994.
  • First Place, National Collegiate Programming Contest, the Ministry of Education, Taiwan, 1985.

  • "Extensible indexing Support in DB2 Universal Database", Chapter 4 in "Component Database Systems", The Morgan Kaufmann Series in Data Management Systems, ISBN-1558606424, Oct. 2000.
  • "High Level Indexing of User-Defined Types", Very Large DataBase (VLDB) '99, pages 554-564, Edinburgh, U.K., 1999.
  • "Index Design for Structured Documents Based on Abstraction", 6th International Conference on Database Systems for Advanced Applications, pages 89-96, Taiwan, April 19-21, 1999.
  • "On the Linkage of Dynamic Tables in Relational DBMSs", IBM System Journal, Vol. 37, No. 4, 1998.
  • "An Extensible Architecture for Supporting Spatial Data in RDBMS", International Computer Symposium, pages 93-102, Taiwan, Dec. 17-19, 1998.
  • "False Sharing Elimination by Selection of Runtime Scheduling Parameters", in Proc. International Conference on Parallel Processing, pages 396-403, 1997. Best Paper
  • "Supporting Procedural Constructs in Existing SQL Compilers" in Proc. CASCON '96, pages 181-193, Toronto, 1996.
  • "Automatic Parallelization for Symmetric Shared- Memory Multiprocessor", in Proc. CASCON '96, pages 76-89, Toronto, 1996.
  • "FDPR/2: A Code Instrumentation and Restructuring Tool for OS/2 Executables", IBM Programming Technology Forum '95.
  • "A Compiler Framework for Restructuring Data Declarations to Enhance Cache and TLB Effectiveness", in Proc. CASCON '94, pages 270-282, Toronto, 1994. Best Paper
  • "Compiler Solutions to False Sharing Elimination", in Proc. IBM Programming Technology Forum, T.J. Watson Center, 1994.
  • "State Space Reduction in Abstract Interpretation of Parallel Programs", in Proc. International Conference on Computer Languages, pages 277-288, 1994.
  • "A General Framework for Analyzing Shared Memory Parallel Programs", in Proc. International Conference on Parallel Processing, Vol. II-Software, pages 192-199, 1992.
  • "Compile-Time Analysis of Parallel Programs That Share Memory", in Proc. ACM 19th Symposium on Principle of Programming Languages, pages 130-141, 1992.
  • "Dynamic Control of Parallelism and Granularity in Executing Nested Parallel Loops", in Proc. IEEE Third Symposium on Parallel and Distributed Processing, pages 678-685, 1991.
  • "Modeling and Design Analysis of a Workstation LAN Server", in Proceedings International Symposium on VLSI Technology, Systems and Applications, pages 329-333, 1991.
  • "Switch-Stacks: A Scheme for Microtasking Nested Parallel Loops", in Proc. Supercomputing '90, pages 190-199, 1990.
  • "Microtasking Recursive, Parallel Programs", in Proc. International Conference on Parallel Processing, - Vol. II Software, pages 282-283, 1990.

  • "Parallel Execution of Lisp Programs under the Parcel Runtime Environment", M.S. Thesis, University of Illinois at Urbana-Champaign, 1990
  • "Compile-time Analysis of Parallel Programs", Ph.D. Thesis, University of Illinois at Urbana-Champaign, 1993