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Recognizing Textual Entailment with LCC´s GROUNDHOG System

Published on 2007-02-255943 Views

We introduce a new system for recognizing textual entailment (known as GROUNDHOG) which utilizes a classification-based approach to combine lexico-semantic information derived from text processing app

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Recognizing Textual Entailment with LCC’s Groundhog System00:00
Introduction01:07
Outline of Today’s Talk01:55
Architecture of the Groundhog System02:19
A Motivating Example03:35
Preprocessing05:39
Lexical Alignment11:27
Training the Alignment Classifier13:57
Creating New Sources of Training Data14:33
Paraphrase Acquisition17:35
Entailment Classification20:45
Another Example26:10
Example 73426:40
Evaluation: 2006 RTE Performance28:27
Evaluation: Role of Training Data30:05
Evaluation: Role of Features in Entailment Classifier31:23
Conclusions32:42