Alexander Koller and Ronald Petrick. Experiences with planning for natural language generation. Proceedings of SPARK-08: The ICAPS-08 Scheduling and Planning Applications Workshop, Sydney, Australia.
Carlos Areces, Alexander Koller, and Kristina Striegnitz. Referring expressions as formulas of description logic. Proceedings of the 5th International Natural Language Generation Conference, Salt Fork, Ohio.
Michaela Regneri, Markus Egg, and Alexander Koller. Efficient Processing of Underspecified Discourse Representations. Proceedings of ACL-08: HLT (Short Papers), Columbus, Ohio.
Alexander Koller, Michaela Regneri, and Stefan Thater. Regular tree grammars as a formalism for scope underspecification. Proceedings of ACL-08: HLT, Columbus, Ohio.
Alexander Koller and Owen Rambow. Relating dominance formalisms. Proceedings of the 12th Conference on Formal Grammar, Dublin.
Alexander Koller and Stefan Thater. Solving unrestricted dominance graphs. Proceedings of the 12th Conference on Formal Grammar, Dublin.
Alexander Koller and Matthew Stone. Sentence generation as planning. Proceedings of ACL-07, Prague.
Donna Byron, Alexander Koller, Jon Oberlander, Laura Stoia, and Kristina Striegnitz. Generating Instructions in Virtual Environments (GIVE): A challenge and evaluation testbed for NLG. Proceedings of the Workshop on Shared Tasks and Comparative Evaluation in Natural Language Generation, Arlington.
Alexander Koller and Stefan Thater. Towards a redundancy elimination algorithm for underspecified descriptions. Proceedings of the 5th Intl. Workshop on Inference in Computational Semantics (ICoS-5), Buxton, England.
Alexander Koller and Stefan Thater. The Evolution of Dominance Constraint Solvers. Proceedings of the ACL-05 Workshop on Software, Ann Arbor.
Alexander Koller and Stefan Thater. Efficient solving and exploration of scope ambiguities. Proceedings of the ACL-05 Demo Session.
Ralph Debusmann, Denys Duchier, Alexander Koller, Marco Kuhlmann, Gert Smolka, and Stefan Thater. A Relational Syntax-Semantics Interface Based on Dependency Grammar. Proceedings of the 20th COLING, Geneva.
Alexander Koller and Geert-Jan Kruijff. Talking Robots With LEGO MindStorms. Proceedings of the 20th COLING, Geneva.
Ruth Fuchss, Alexander Koller, Joachim Niehren, and Stefan Thater. Minimal Recursion Semantics as Dominance Constraints: Translation, Evaluation, and Analysis. Proceedings of the 42nd ACL, Barcelona.
Ernst Althaus, Nikiforos Karamanis, and Alexander Koller. Computing Locally Coherent Discourses. Proceedings of the 42nd ACL, Barcelona.
Alexander Koller, Ralph Debusmann, Malte Gabsdil, and Kristina Striegnitz. Put my galakmid coin into the dispenser and kick it: Computational Linguistics and Theorem Proving in a Computer Game. Journal of Logic, Language, and Information. To appear.
Alexander Koller, Joachim Niehren, and Stefan Thater. Bridging the Gap Between Underspecification Formalisms: Hole Semantics as Dominance Constraints. Proceedings of the 11th EACL, Budapest.
Ernst Althaus, Denys Duchier, Alexander Koller, Kurt Mehlhorn, Joachim Niehren, and Sven Thiel. An Efficient Graph Algorithm for Dominance Constraints. Journal of Algorithms. To appear.
Katrin Erk, Alexander Koller, and Joachim Niehren. Processing Underspecified Semantic Descriptions in the Constraint Language for Lambda Structures. Journal of Language & Computation. To appear.
Malte Gabsdil, Alexander Koller, and Kristina Striegnitz. Natural Language and Inference in a Computer Game. Proceedings of the 19th COLING, Taipei.
Alexander Koller and Kristina Striegnitz. Generation as Dependency Parsing. Proceedings of the 40th ACL, Philadelphia.
Malte Gabsdil, Alexander Koller, and Kristina Striegnitz. Building a Text Adventure on Description Logic. Proceedings of KI-2001 Workshop on Applications of Description Logics, Vienna.
Katrin Erk and Alexander Koller. VP Ellipsis by Tree Surgery. Proceedings of the 13th Amsterdam Colloquium, Amsterdam.
Manuel Bodirsky, Katrin Erk, Alexander Koller, and Joachim Niehren. Underspecified Beta Reduction. Proceedings of the 39th ACL, Toulouse.
Manuel Bodirsky, Katrin Erk, Alexander Koller, and Joachim Niehren. Beta Reduction Constraints. Proceedings of the 12th International Conference on Rewriting Techniques and Applications, Utrecht.
Ernst Althaus, Denys Duchier, Alexander Koller, Kurt Mehlhorn, Joachim Niehren, and Sven Thiel. An Efficient Algorithm for the Configuration Problem of Dominance Graphs. Proceedings of the 12th ACM-SIAM Symposium on Discrete Algorithms, Washington, DC.
Markus Egg, Alexander Koller, and Joachim Niehren. The Constraint Language for Lambda Structures. Journal of Logic, Language, and Information. To appear.
Michael Kohlhase and Alexander Koller. Towards A Tableaux Machine for Language Understanding. Proceedings of ICOS-2, Dagstuhl.
Alexander Koller, Joachim Niehren, and Kristina Striegnitz. Relaxing Underspecified Semantic Representations for Reinterpretation. Grammars 3:2-3.
Alexander Koller and Joachim Niehren. On Underspecified Processing of Dynamic Semantics. Proceedings of COLING-2000, Saarbrücken.
Alexander Koller and Joachim Niehren. Constraint Programming in Computational Linguistics. To appear in Proceedings of LLC8, CSLI Press.
Alexander Koller and Joachim Niehren. Scope Underspecification and Processing. Lecture Notes, ESSLLI '99, Utrecht.
Alexander Koller, Joachim Niehren, and Kristina Striegnitz. Relaxing Underspecified Semantic Representations for Reinterpretation. Proceedings of the Sixth Meeting on Mathematics of Language (MOL6), Orlando, Florida.
Alexander Koller. Constraint Languages for Semantic Underspecification. Diplomarbeit, Universität des Saarlandes.
Joachim Niehren and Alexander Koller. Dominance Constraints in Context Unification. Proceedings of the Third Conference on Logical Aspects of Computational Linguistics (LACL '98), Grenoble, France. To appear in LNCS.
Alexander Koller. Evaluating Context Unification for Semantic Underspecification. Proceedings of the Third ESSLLI Student Session, Saarbrücken, Germany.