| 1993 | A Practical System for Defeasible Reasoning and Belief Revision. | Maria R. Cravo, Joo P. Martins |
| 1993 | Interference Logic = Conditional Logic + Frame Axiom. | Luis Farias del Cerro, Andreas Herzig |
| 1993 | Learning Non Probalistic Belief Networks. | Luis M. de Campos, Juan F. Huete |
| 1993 | IDAGs: a Perfect Map for Any Distribution. | Remco R. Bouckaert |
| 1993 | Probalistic Network Construction Using the Minimum Description Length Principle. | Remco R. Bouckaert |
| 1993 | The Use of Possibilistic Logic PL1 in a Customizable Tool for the Generation of Production-Rule Based Systems. | Guilherme Bittencourt, Maurcio Marengoni, Sandra A. Sandri |
| 1993 | Learning Membership Functions. | Francesco Bergadano, Vincenzo Cutello |
| 1993 | Possibilistic Logic: From nonmonotonicity to Logic Programming. | Salem Benferhat, Didier Dubois, Henri Prade |
| 1993 | A Semantics for Open Normal Defaults via a Modified Preferential Approach. | Franz Baader, Karl Schlechta |
| 1993 | RES: A formalism for reasoning with relative-strength defaults. | Zhi An, Mary McLeish |
| 1991 | Elementary Hyperentailment -Nonmonotonic reasoning about defaults-. | Emil Weydert |
| 1991 | A Preferential Model Semantics For Default Logic. | Frans Voorbraak |
| 1991 | An Entity-Relationship Approach to Modelling of Vagueness in Databases. | R. Vandenberghe, Rita M. M. De Caluwe |
| 1991 | Probabilistic Reasoning With Facts And Rules In Deductive Databases. | Helmut Thne, Ulrich Gntzer, Werner Kieling |
| 1991 | Handling Uncertainty in Knowledge-Based Computer Vision. | Luis Enrique Sucar, Duncan Fyfe Gillies |
| 1991 | Managing Uncertainty in Environmental Analysis: An Application to Measurement Data Interpretation. | Marcus Spies |
| 1991 | Restraining the Proliferation of Worlds in Probabilistic Logic Entailments. | Paul Snow |
| 1991 | The Transferable Belief Model. | Philippe Smets, Yen-Teh Hsia, Alessandro Saffiotti, Robert Kennes, Elizabeth Umkehrer |
| 1991 | Automated Reasoning About an Uncertain Domain. | Flvio S. Corra da Silva, David Stuart Robertson, Paul W. H. Chung |
| 1991 | A Tableau-Based Characterisation for Default Logic. | Camilla Schwind, Vincent Risch |
| 1991 | On Commitment and Cumulativity in Default Logics. | Torsten Schaub |
| 1991 | On Truth and Utility. | Enrique H. Ruspini |
| 1991 | Using Maximum Entropy to Identify Unsafe Assumptions in Probabilistic Expert Systems. | Paul C. Rhodes, Gerald R. Garside |
| 1991 | Knowledge Extraction in Trivalued Propositional Logic. | Antoine Rauzy |
| 1991 | Random Closed Sets: a Unified Approach to the Representation of Imprecision and Uncertainty. | Philippe Quinio, Takashi Matsuyama |