| 1991 | Novelty Revisited. | Pierre Marquis |
| 1991 | Process Transition Networks: A Formal Graphical Knowledge Representation Tool. | Jacek Malec |
| 1991 | Nonmonotonic Temporal Reasoning: Persistence, Justified Causation and Event Minimization. | Sven Lorenz |
| 1991 | Dynamic Autoepistemic Logic. | Kienchung Kuo |
| 1991 | Methodologies for Data/Knowledge/Information Engineering: Will the Twain Meet? (Extended Abstract). | Larry Kerschberg |
| 1991 | Knowledge Extraction from Databases: Design Princiles of the INLEN System. | Kenneth A. Kaufman, Ryszard S. Michalski, Larry Kerschberg |
| 1991 | Another View of Autoepistemic Logic and Truth Maintenance System. | Yuejun Jiang |
| 1991 | A New System for Inductive Learning in Attribute-Based Spaces. | Cezary Z. Janikow |
| 1991 | Synthesizing Efficient Agents from Partial Programs. | Jane Yung-jen Hsu |
| 1991 | Efficient Evaluation of Linear Recursions with Function Sysmbols in Deductive Databases. | Jiawei Han, Qiang Wang |
| 1991 | On the Unknown Attribute Values in Learning from Examples. | Jerzy W. Grzymala-Busse |
| 1991 | Improving the Comprehensibility, Accuracy, and Generality of Reactive Plans. | Diana F. Gordon |
| 1991 | Towards an Adaptive Information Retrieval System. | A. Goker, Thomas Leo McCluskey |
| 1991 | Hybrid Pattern Recognition System Capable of Self-Modification. | Charles W. Glover, Nageswara S. V. Rao, E. M. Oblow |
| 1991 | Towards a Theory of Inductive Logic Programming. | Peter A. Flach |
| 1991 | Integrating Variables and Operations into Rule-Based Forward Chaining Systems. | Christoph F. Eick |
| 1991 | A Logic of Relative Desire (Preliminary Report). | Jon Doyle, Yoav Shoham, Michael P. Wellman |
| 1991 | Multilevel Interface to a Distributed Database System. | Bipin C. Desai, Li Zhang |
| 1991 | Explanation-based Learning Helps Acquire Knowledge from Natural Language Texts. | Sylvain Delisle, Stan Matwin, Jiandong Wang, Lionel Zupan |
| 1991 | Investigating the Relationships between Abduction and Inverse Resolution in Proposition Calculus. | Luca Console, Attilio Giordana, Lorenza Saitta |
| 1991 | Static Parallel Arc Consistency in Constraint Satisfaction. | James M. Conrad, Dennis R. Bahler, James Bowen |
| 1991 | Automatic Acquisition of Proper Noun Meanings. | Sam Coates-Stephens |
| 1991 | On the Representation of Continuous Causal Relationships. | Bei-Tseng Bill Chu |
| 1991 | An Approach to Deriving Object Hierarchies from Database Schema and Contents. | I-Min A. Chen, Rei-Chi Lee |
| 1991 | The Strong Semantics for Logic Programs. | Jianhua Chen, Sukhamay Kundu |