| 1991 | A form of analogy as an abductive inference. Makoto Haraguchi |
| 1991 | A knowledge transfer model: From zero-knowledge to full-knowledge. Yasuyuki Tsukada, Kenji Koyama |
| 1991 | A logical analysis of relevance in analogy. Jun Arima |
| 1991 | ACE: A syntax-directed editor customizable from examples and queries. Yuji Takada, Yasubumi Sakakibara, Takeshi Ohtani |
| 1991 | Algorithmic Learning Theory, 2nd International Workshop, ALT '91, Tokyo, Japan, October 23-25, 1991, Proceedings Setsuo Arikawa, Akira Maruoka, Taisuke Sato |
| 1991 | An interactive knowledge transfer model and analysis of "Mastermind" game. Kenji Koyama, Tony W. Lai |
| 1991 | Analogical reasoning as a form of hypothetical reasoning and justification-based knowledge acquisition. Ryohei Orihara |
| 1991 | Analogical reasoning using elementary formal systems with mismatch. Tetsuhiro Miyahara |
| 1991 | Analogy is NP-hard. Shinji Furuya, Satoru Miyano |
| 1991 | Characterization of pattern languages. Yasuhito Mukouchi |
| 1991 | Inductive inferability for formal languages from positive data. Masako Sato, Kazutaka Umayahara |
| 1991 | Inductive inference of formal languages from positive data enumerated primitive-recursively. Akito Sakurai |
| 1991 | Knowledge-intensive learning in connectionist networks. Akira Namatame |
| 1991 | Learning effect of a dynamic thesaurus in associated information retrieval. Haruo Kimoto, Toshiaki Iwadera |
| 1991 | Learning in multi-agent environments. Pavel Brazdil |
| 1991 | Learning non-parametric densities by finite-dimensional parametric hypotheses. Kenji Yamanishi |
| 1991 | Learning simple Boolean concepts. Nick Littlestone |
| 1991 | On the role of equivalence queries in MAT learning. Seiichi Tani |
| 1991 | Polynomial-time identification of very regular languages in the limit. Noriyuki Tanida, Takashi Yokomori |
| 1991 | Polynomial-time inference of unions of tree pattern languages. Hiroki Arimura, Takeshi Shinohara, Setsuko Otsuki |
| 1991 | Preliminary study on program sunthesis based on induction and verification. Koichi Furukawa |
| 1991 | Preservation of predictability under polynomial sparse variations and its applications. Naoki Abe |
| 1991 | Proving based on similarity. Ken-etsu Fujita, Masateru Harao |
| 1991 | Recovery from multiple faults in relational theory. Somkiat Tangkitvanich, Masamichi Shimura |
| 1991 | Relationships between PAC-learning algorithms and weak Occam algorithms. Eiji Takimoto, Akira Maruoka |
| 1991 | The logic of molecular geneticists for the understanding of genetic information. Yoshifumi Sakai |
| 1991 | The use of abstract primitives in representing the meanings of "Verbs" for understanding metaphors. Masaki Suwa, Hiroshi Motoda |
| 1991 | Towards learning by abstraction. Seiichiro Sakurai, Makoto Haraguchi |
| 1991 | Which classes of elementary formal systems are polynomial-time learnable. Satoru Miyano, Ayumi Shinohara, Takeshi Shinohara |