Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438741 | System and method for eliminating compile time explosion in a top down rule based system using selective sampling | Awny K. Al-Omari, Hansjorg Zeller | 2002-08-20 |
| 6330552 | Database query cost model optimizer | Christopher M. Farrar, Harry A. Leslie, Pedro Celis, Jay Vaishnav, Michael J. Skarpelos | 2001-12-11 |
| 6263345 | Histogram synthesis modeler for a database query optimizer | Christopher M. Farrar, Harry A. Leslie, Pedro Celis | 2001-07-17 |
| 6021405 | System and method for optimizing database queries with improved performance enhancements | Pedro Celis, Jay Vaishnav, Hansjorg Zeller | 2000-02-01 |