Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618722 | Session-history-based recency-biased natural language document search | David E. Johnson | 2003-09-09 |
| 6574624 | Automatic topic identification and switch for natural language search of textual document collections | David E. Johnson | 2003-06-03 |
| 6571225 | Text categorizers based on regularizing adaptations of the problem of computing linear separators | Tong Zhang | 2003-05-27 |
| 6567805 | Interactive automated response system | David E. Johnson, Thilo Goetz | 2003-05-20 |
| 6519580 | Decision-tree-based symbolic rule induction system for text categorization | David E. Johnson, Tong Zhang | 2003-02-11 |