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- W2167380558 abstract "We present in this paper the three LIMSI question-answering systems on speech transcripts which participated to the QAst 2009 evaluation. These systems are based on a complete and multi-level analysis of both queries and documents. These systems use an automatically generated research descriptor. A score based on those descriptors is used to select documents and snippets. Three different methods are tried to extract a nd score candidate answers, and we present in particular a tree transformation based rankin g method. We participated to all the tasks and submitted 30 runs (for 24 sub-tasks). The evaluation results for manual transcripts range from 27% to 36% for accuracy depending on the task and from 20% to 29% for automatic transcripts." @default.
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- W2167380558 date "2009-01-01" @default.
- W2167380558 modified "2023-09-27" @default.
- W2167380558 title "The LIMSI participation to the QAst 2009 track" @default.
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