| |
| 1992 | ||
|---|---|---|
| 4 | Robert H. Ledwith: On the Difficulties of Applying the Results of Information Retrieval Research to Aid in the Searching of Larg Scientific Databases. Inf. Process. Manage. 28(4): 451-456 (1992) | |
| 1991 | ||
| 3 | C.-S. Ai, Paul E. Blower Jr., Robert H. Ledwith: Extracting Reaction Information from Chemical Databases. Knowledge Discovery in Databases 1991: 367-382 | |
| 1990 | ||
| 2 | EE | C.-S. Ai, Paul E. Blower Jr., Robert H. Ledwith: Extraction of chemical reaction information from primary journal text. Journal of Chemical Information and Computer Sciences 30(2): 163-169 (1990) |
| 1988 | ||
| 1 | EE | Robert H. Ledwith: Development of a Large, Concept-Oriented Database for Information Retrieval. SIGIR 1988: 651-661 |
| 1 | C.-S. Ai | [2] [3] |
| 2 | Paul E. Blower Jr. | [2] [3] |