Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356864 | Methods for analysis and evaluation of the semantic content of a writing based on vector length | Peter W. Foltz, Robert Darrell Laham, II, Walter Kintsch, Robert Ernest Rehder | 2002-03-12 |
| 5987446 | Searching large collections of text using multiple search engines concurrently | Douglas A. Corey, Karen Lochbaum | 1999-11-16 |
| 5703655 | Video programming retrieval using extracted closed caption data which has been partitioned and stored to facilitate a search and retrieval process | Douglas A. Corey, Bud C. Wonsiewicz | 1997-12-30 |
| 5301109 | Computerized cross-language document retrieval using latent semantic indexing | Michael Lederman Littman | 1994-04-05 |
| 4839853 | Computer information retrieval using latent semantic structure | Scott Deerwester, Susan T. Dumais, George W. Furnas, Richard A. Harshman, Karen Lochbaum +1 more | 1989-06-13 |