| Outline |
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| • | System
architecture |
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| • | New Features in
TREC-13 QA Main Task |
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| – | Approximate
Dependency Relation Matching for |
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| Answer Extraction |
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| – | Soft
Matching Patterns for Definition Generation |
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| – | Definition
Sentences in Answering Topically-Related |
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| Factoid/List
Questions |
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| • | Conclusion |
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