| 1999 | A Bounded Search Space of Clausal Theories. Herman Midelfart |
| 1999 | A Strong Complete Schmema for Inductive Functional Logic Programming. José Hernández-Orallo, M. José Ramírez-Quintana |
| 1999 | Acquiring Graphic Design Knowledge with Nonmonotonic Inductive Learning. Kazuya Chiba, Hayato Ohwada, Fumio Mizoguchi |
| 1999 | An Assessment of ILP-Assisted Models for Toxicology and the PTE-3 Experiment. Ashwin Srinivasan, Ross D. King, Douglas W. Bristol |
| 1999 | Analogical Prediction. Stephen H. Muggleton, Michael Bain |
| 1999 | Application of Different Learning Methods to Hungarian Part-of-Speech Tagging. Tamás Horváth, Zoltán Alexin, Tibor Gyimóthy, Stefan Wrobel |
| 1999 | Approximate ILP Rules by Backpropagation Neural Network: A Result on Thai Character Recognition. Boonserm Kijsirikul, Sukree Sinthupinyo |
| 1999 | Combining Divide-and-Conquer and Separate-and-Conquer for Efficient and Effective Rule Induction. Henrik Boström, Lars Asker |
| 1999 | Combining LAPIS and WordNet for Learning of LR Parsers with Optimal Semantic Constraints. Dimitar Kazakov |
| 1999 | Discovering New Knowledge from Graph Data Using Inductive Logic Programming. Tetsuhiro Miyahara, Takayoshi Shoudai, Tomoyuki Uchida, Tetsuji Kuboyama, Kenichi Takahashi, Hiroaki Ueda |
| 1999 | Experiments in Predicting Biodegradability. Saso Dzeroski, Hendrik Blockeel, Boris Kompare, Stefan Kramer, Bernhard Pfahringer, Wim Van Laer |
| 1999 | Generalizing Refinement Operators to Learn Prenex Conjunctive Normal Forms. Shan-Hwei Nienhuys-Cheng, Wim Van Laer, Jan Ramon, Luc De Raedt |
| 1999 | IBC: A First-Order Bayesian Classifier. Peter A. Flach, Nicolas Lachiche |
| 1999 | Improving Part of Speech Disambiguation Rules by Adding Linguistic Knowledge. Nikolaj Lindberg, Martin Eineborg |
| 1999 | Inductive Databases (Abstract). Heikki Mannila |
| 1999 | Inductive Logic Programming, 9th International Workshop, ILP-99, Bled, Slovenia, June 24-27, 1999, Proceedings Saso Dzeroski, Peter A. Flach |
| 1999 | Instance Based Function Learning. Jan Ramon, Luc De Raedt |
| 1999 | Learning Word Segmentation Rules for Tag Prediction. Dimitar Kazakov, Suresh Manandhar, Tomaz Erjavec |
| 1999 | Morphosyntactic Tagging of Slovene Using Progol. James Cussens, Saso Dzeroski, Tomaz Erjavec |
| 1999 | On Sufficient Conditions for Learnability of Logic Programs from Positive Data. Eric Martin, Arun Sharma |
| 1999 | Probabilistic Relational Models. Daphne Koller |
| 1999 | Refinement Operators Can Be (Weakly) Perfect. Liviu Badea, Monica Stanciu |
| 1999 | Refining Complete Hypotheses in ILP. Ivan Bratko |
| 1999 | Rule Evaluation Measures: A Unifying View. Nada Lavrac, Peter A. Flach, Blaz Zupan |
| 1999 | Some Elements of Machine Learning (Extended Abstract). J. Ross Quinlan |
| 1999 | Some Properties of Invers Resolution in Normal Logic Programs. Chiaki Sakama |
| 1999 | Sorted Downward Refinement: Building Background Knowledge into a Refinement Operator for Inductive Programming. Alan M. Frisch |
| 1999 | Theory Recovery. Rupert Parson, Khalid Khan, Stephen H. Muggleton |