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  1. A500 情報学部/情報学研究科・情報文化学部・情報科学研究科
  2. A500e 会議資料
  3. 国際会議

Automatic detection of task-incompleted dialog for spoken dialog system based on dialog act N-gram

http://hdl.handle.net/2237/15498
http://hdl.handle.net/2237/15498
d703ba38-ddcc-4005-abcd-06a8d0733f81
名前 / ファイル ライセンス アクション
hara_is2010.pdf hara_is2010.pdf (309.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2011-09-13
タイトル
タイトル Automatic detection of task-incompleted dialog for spoken dialog system based on dialog act N-gram
言語 en
著者 Hara, Sunao

× Hara, Sunao

WEKO 42966

en Hara, Sunao

Search repository
Kitaoka, Norihide

× Kitaoka, Norihide

WEKO 42967

en Kitaoka, Norihide

Search repository
Takeda, Kazuya

× Takeda, Kazuya

WEKO 42968

en Takeda, Kazuya

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 spoken dialog system
キーワード
主題Scheme Other
主題 dialog act
キーワード
主題Scheme Other
主題 dialog history
キーワード
主題Scheme Other
主題 n-gram
抄録
内容記述 In this paper, we propose a method of detecting task- incompleted users for a spoken dialog system using an N-gram- based dialog history model. We collected a large amount of spoken dialog data accompanied by usability evaluation scores by users in real environments. The database was made by a field test in which naive users used a client-server music retrieval system with a spoken dialog interface on their own PCs. An N-gram model was trained from sequences that consist of user dialog acts and/or system dialog acts for two dialog classes, that is, the dialog completed the music retrieval task or the dialog incompleted the task. Then the system detects unknown dialogs that is not completed the task based on the N-gram likelihood. Experiments were conducted on large real data, and the results show that our proposed method achieved good classification performance. When the classifier correctly detected all of the task-incompleted dialogs, our proposed method achieved a false detection rate of 6%.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 ISCA(International Speech Communication Association)
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
書誌情報 en : 11th Annual Conference of the International Speech Communication Association in Makuhari, Chiba, Japan on September 26-30, 2010 (INTERSPEECH 2010)

p. 3034-3037, 発行日 2010-09-26
著者版フラグ
値 author
URI
識別子 http://hdl.handle.net/2237/15498
識別子タイプ HDL
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