| 1991 | 29th Annual Meeting of the Association for Computational Linguistics, 18-21 June 1991, University of California, Berkeley, California, USA, Proceedings. Douglas E. Appelt |
| 1991 | A Preference-first Language Processor Integrating the Unification Grammar and Markov Language Model for Speech Recognition Applications. Lee-Feng Chien, Keh-Jiann Chen, Lin-Shan Lee |
| 1991 | A Program for Aligning Sentences in Bilingual Corpora. William A. Gale, Kenneth Ward Church |
| 1991 | A Stochastic Process for Word Frequency Distributions. R. Harald Baayen |
| 1991 | A System for Translating Locative Prepositions from English into French. Nathalie Japkowicz, Janyce Wiebe |
| 1991 | A Three-Level Model for Plan Exploration. Lance A. Ramshaw |
| 1991 | A Tripartite Plan-Based Model of Dialogue. Lynn Lambert, Sandra Carberry |
| 1991 | Action Representation for NL Instructions. Barbara Di Eugenio |
| 1991 | Aligning Sentences in Parallel Corpora. Peter F. Brown, Jennifer C. Lai, Robert L. Mercer |
| 1991 | An Algorithm for Plan Recognition in Collaborative Discourse. Karen E. Lochbaum |
| 1991 | An Incremental Connectionist Phrase Structure Parser. James Henderson |
| 1991 | Automated Pruning for a General Lexicon and Grammar. Lynette Hirschman |
| 1991 | Automatic Acquisition of Subcategorization Frames from Untagged Text. Michael R. Brent |
| 1991 | Automatic Noun Classification by Using Japanese-English Word Pairs. Naomi Inoue |
| 1991 | Case Revisited: In the Shadow of Automatic Processing of Machine-Readable Dictionaries. Fuliang Weng |
| 1991 | Centering in Japanese Discourse. Marilyn A. Walker, Masayo Iida, Sharon Cote |
| 1991 | Collaborating on Referring Expressions. Peter A. Heeman |
| 1991 | Compose-Reduce Parsing. Henry S. Thompson, Michael Dixon, John Lamping |
| 1991 | Conceptual Revision for Natural Language Generation. Ben E. Cline |
| 1991 | Constraint Projection: An Efficient Treatment of Disjunctive Feature Descriptions. Mikio Nakano |
| 1991 | Current Research in the Development of a Spoken Language Understanding System using PARSEC. Carla B. Zoltowski |
| 1991 | Discourse Relations and Defeasible Knowledge. Alex Lascarides, Nicholas Asher |
| 1991 | Discovering the Lexical Features of a Language. Eric Brill |
| 1991 | Efficient Incremental Processing with Categorial Grammar. Mark Hepple |
| 1991 | Event-Building through Role-Filling and Anaphora Resolution. Greg Whittemore, Melissa Macpherson, Greg Carlson |
| 1991 | Experiments and Prospects of Example-Based Machine Translation. Eiichiro Sumita, Hitoshi Iida |
| 1991 | Extracting Semantic Roles from a Model of Eventualities. Sylvie Ratté |
| 1991 | Factorization of Language Constraints in Speech Recognition. Roberto Pieraccini, Chin-Hui Lee |
| 1991 | Feature Logic with Weak Subsumption Constraints. Jochen Dörre |
| 1991 | Finite-State Approximation of Phrase Structure Grammars. Fernando C. N. Pereira, Rebecca N. Wright |
| 1991 | From N-Grams to Collocations: An Evaluation of Xtract. Frank A. Smadja |
| 1991 | Head Corner Parsing for Discontinuous Constituency. Gertjan van Noord |
| 1991 | Inclusion, Disjointness and Choice: The Logic of Linguistic Classification. Bob Carpenter, Carl Pollard |
| 1991 | LR Recursive Transition Networks for Earley and Tomita Parsing. Mark Perlin |
| 1991 | Learning Perceptually-Grounded Semantics in The L Terry Regier |
| 1991 | Lexical Disambiguation: Sources of Information and their Statistical Realization. Ido Dagan |
| 1991 | Logical Form of Complex Sentences in Task-Oriented Dialogues. Cecile T. Balkanski |
| 1991 | Metaphoric Generalization through Sort Coercion. Ellen Hays, Samuel Bayer |
| 1991 | Modifying Beliefs in a Plan-Based Dialogue Model. Lynn Lambert |
| 1991 | Multipe Default Inheritance in a Unification-Based Lexicon. Graham Russell, John Carroll, Susan Warwick-Armstrong |
| 1991 | Non-Literal Word Sense Identification Through Semantic Network Path Schemata. Eric Iverson, Stephen Helmreich |
| 1991 | Polynomial Time and Space Shift-Reduce Parsing of Arbitrary Context-free Grammars. Yves Schabes |
| 1991 | Predicting Intonational Phrasing from Text. Michelle Q. Wang, Julia Hirschberg |
| 1991 | Quasi-Destructive Graph Unification. Hideto Tomabechi |
| 1991 | Resolution of Collective-Distributive Ambiguity Using Model-Based Reasoning. Chinatsu Aone |
| 1991 | Resolving Translation Mismatches with Information Flow. Megumi Kameyama, Ryo Ochitani, Stanley Peters |
| 1991 | Resolving a Pragmatic Prepositional Phrase Attachment Ambiguity. Christine H. Nakatani |
| 1991 | Some Facts about Centers, Indexicals, and Demonstratives. Rebecca J. Passonneau |
| 1991 | Strategies for Adding Control Information to Declarative Grammars. Hans Uszkoreit |
| 1991 | Structural Ambiguity and Lexical Relations. Donald Hindle, Mats Rooth |
| 1991 | Subject-Dependent Co-Occurence and Word Sense Disambiguation. Joe A. Guthrie, Louise Guthrie, Yorick Wilks, Homa Aidinejad |
| 1991 | Syntactic Graphs and Constraint Satisfaction. Jeff Martin |
| 1991 | The Acquisition and Application of Context Sensitive Grammar for English. Robert F. Simmons, Yeong-Ho Yu |
| 1991 | The CAT2 Machine Translation System. Randall Sharp |
| 1991 | Toward a Plan-Based Understanding Model for Mixed-Initiative Dialogues. Hiroaki Kitano, Carol Van Ess-Dykema |
| 1991 | Translation by Quasi Logical Form Transfer. Hiyan Alshawi, David M. Carter, Manny Rayner |
| 1991 | Two Languages Are More Informative Than One. Ido Dagan, Alon Itai, Ulrike Schwall |
| 1991 | Type-Raising and Directionality in Combinatory Grammar. Mark Steedman |
| 1991 | Unification with Lazy Non-Redundant Copying. Martin C. Emele |
| 1991 | Word-Sense Disambiguation Using Statistical Methods. Peter F. Brown, Stephen Della Pietra, Vincent J. Della Pietra, Robert L. Mercer |