Two Related Lexico-Syntactic Approaches to Entailment
author:
Vasile Rus,
University of Memphis
Description
Two approaches to Textual Entailment are presented. They both rely on lexico-syntactic information. The two approaches differ mainly in the way the syntactic relationships are derived. In one approach, the syntactic relationships are drawn from a phrase-based parse tree. In the other, we use information provided by a dependency parser. The first approach performs at 0.59 precision and 0.6047 average precision. The second system´s performance is 0.5837 precision and 0.5785 average precision.
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| Slides | |
| 0:01 | Two Related Lexico-Syntactic Approaches to Entailment |
| 0:50 | TODAY- Outline |
| 2:06 | The Two Approaches |
| 3:07 | Graph Subsumption |
| 3:35 | From Sentences to Graph Representation |
| 4:07 | The Entailment Score |
| 4:47 | The Parameters |
| 5:30 | Negation |
| 6:13 | Results – Lexico-Syntactic Approach |
| 8:53 | Comparison |
| 9:35 | Conclusions |
| 9:46 | Missed Opportunities |
| 10:59 | More Conclusions |
| 11:12 | One More Conclusion |
| 12:34 | Two Related Lexico-Syntactic Approaches to Entailment |
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