Table of Contents
Editorials
| In Memoriam: John G. Gaschnig | |
| Nils J. Nilsson | 2 |
Articles
| Expert Systems: Where Are We? And Where Do We Go from Here? | |
| Randall Davis | 3 |
| Signal-to-Symbol Transformation: HASP/SIAP Case Study | |
| H. Penny Nii, Edward A. Feigenbaum, John J. Anton | 23 |
Reports
| Artificial Intelligence Research at Rutgers | |
| A. J. Rockmore, Tom M. Mitchell | 36 |
| AI Research at Bolt, Beranek & Newman, Inc. | |
| Madeleine Bates | 44 |
| Artificial Intelligence Techniques and Methodology | |
| Jaime G. Carbonell, Derek Sleeman | 47 |
| Learning from Solution Paths: An Approach to the Credit Assignment Problem | |
| Derek Sleeman, Pat Langley, Tom M. Mitchell | 48 |
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