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DualSum: a Topic-Model based approach for update summarization, Delort et al., [EACL’12] #38

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AkihikoWatanabe opened this issue Dec 28, 2017 · 1 comment

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@AkihikoWatanabe
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https://dl.acm.org/citation.cfm?id=2380845

@AkihikoWatanabe
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・大半のupdate summarizationの手法はdocument set Aがgivenのとき,document set Bのupdate summarizationをつくる際には,redundancy removalの問題として扱っている.
・この手法は,1つのsentenceの中にredundantな情報とnovelな情報が混在しているときに,そのsentenceをredundantなsentenceだと判別してしまう問題点がある.加えて,novel informationを含んでいると判別はするけれども,明示的にnovel informationがなんなのかということをモデル化していない.
・Bayesian Modelを使うことによって,他の手法では抜け落ちている確率的な取り扱いが可能にし, unsupervisedでできるようにする.

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