Lexical chains for question answering
COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
Logic form transformation of WordNet and its applicability to question answering
ACL '01 Proceedings of the 39th Annual Meeting on Association for Computational Linguistics
Statistical phrase-based translation
NAACL '03 Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology - Volume 1
COGEX: a logic prover for question answering
NAACL '03 Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology - Volume 1
A semantic approach to recognizing textual entailment
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
Recognising textual entailment with logical inference
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
An inference model for semantic entailment in natural language
AAAI'05 Proceedings of the 20th national conference on Artificial intelligence - Volume 3
Temporal context representation and reasoning
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
Language models and reranking for machine translation
StatMT '06 Proceedings of the Workshop on Statistical Machine Translation
LogAnswer - A Deduction-Based Question Answering System (System Description)
IJCAR '08 Proceedings of the 4th international joint conference on Automated Reasoning
AORTE for Recognizing Textual Entailment
CICLing '09 Proceedings of the 10th International Conference on Computational Linguistics and Intelligent Text Processing
Detecting expected answer relations through textual entailment
CICLing'08 Proceedings of the 9th international conference on Computational linguistics and intelligent text processing
A semantic approach for question classification using WordNet and Wikipedia
Pattern Recognition Letters
Logical validation, answer merging and witness selection a study in multi-stream question answering
Large Scale Semantic Access to Content (Text, Image, Video, and Sound)
LCC's poweranswer at QA@CLEF 2006
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
The effect of entity recognition on answer validation
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
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This paper reports the performance of Language Computer Corporation's natural language logic prover for the English and Spanish subtasks of the Answer Validation Exercise. Cogex takes as input a pair of plain English text snippets, transforms them into semantically rich logic forms, automatically generates natural language axioms which will be used during the search for a proof, and determines the degree of entailment between the entailing text snippet and a possible relaxed version of the entailed text. The system labels an input pair as positive entailment if its proof score is above the threshold learned during training. Our semantic logic-based approach achieves 43.93% F-measure for the English data and 60.63% on Spanish.