List of Publications (in English)

• Kazunori Komatani, Satoshi Ikeda, Tetsuya Ogata, Hiroshi G. Okuno:
  Managing Out-of-Grammar Utterances by Topic Estimation with Domain Extensibility in Multi-Domain Spoken Dialogue Systems.
  Speech Communication, Vol.50, Issue 10, pp.863--870, 2008.
  [doi]
  
  
• Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno:
  User Modeling in Spoken Dialogue Systems to Generate Flexible Guidance.
  User Modeling and User-Adapted Interaction, Vol.15, No.1, pp.169--183, 2005．
  [doi]

• Kazunori Komatani, Satoshi Ikeda, Yuichiro Fukubayashi, Tetsuya Ogata, Hiroshi G. Okuno:
  Ranking Help Message Candidates Based on Robust Grammar Verification Results and Utterance History in Spoken Dialogue Systems.
  10th Annual SIGDIAL Meeting on Discourse and Dialogue, pp.314--321, 2009.
  [PDF]
  
  
• Masaki Katsumaru, Mikio Nakano, Kazunori Komatani, Kotaro Funakoshi, Tetsuya Ogata, Hiroshi G. Okuno:
  Improving Speech Understanding Accuracy with Limited Training Data Using Multiple Language Models and Multiple Understanding Models.
  Interspeech-2009, pp.2735--2738, 2009.
  [PDF]
  
  
• Kyoko Matsuyama, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Enabling A User To Specify An Item At Any Time During System Enumeration.
  Interspeech-2009, pp.252--255, 2009.
  [PDF]
  
  
• Kazunori Komatani, Alexander I. Rudnicky:
  Predicting Barge-in Utterance Errors by using Implicitly-Supervised ASR Accuracy and Barge-in Rate per User.
  ACL-IJCNLP 09, Short Papers, pp.89--92, 2009.
  [PDF]
  
  
• Kazunori Komatani, Tatsuya Kawahara, Hiroshi G. Okuno:
  A Model of Temporally Changing User Behaviors in a Deployed Spoken Dialogue System.
  International Conference on User Modeling, Adaptation, and Personalization (UMAP09), LNCS5535, pp.409--414, 2009.
  [PDF]
  
  
• Masaki Katsumaru, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Adjusting Occurrence Probabilities of Automatically-Generated Abbreviated Words in Spoken Dialogue Systems.
  The 22nd International Conference on Industrial, Engineering and Other Applications of Applied Intelligence Systems (IEA/AIE-2009), LNAI5579, pp.481--490, 2009.
  [doi]
  
  
• Masaki Katsumaru, Mikio Nakano, Kazunori Komatani, Kotaro Funakoshi, Hiroshi G. Okuno:
  A Speech Understanding Framework that Uses Multiple Language Models and Multiple Understanding Models.
  North American Chapter of the Association for Computational Linguistics - Human Language Technologies (NAACL-HLT), Short Papers, pp.133--136, 2009.
  [PDF]
  
  
• Kazunori Komatani, Tatsuya Kawahara, Hiroshi G. Okuno:
  Predicting ASR Errors by Exploiting Barge-In Rate of Individual Users for Spoken Dialogue Systems.
  Interspeech-2008, pp.183--186, 2008.
  [PDF]
  
  
• Masaki Katsumaru, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Expanding Vocabulary for Recognizing User's Abbreviations of Proper Nouns without Increasing ASR Error Rates in Spoken Dialogue Systems.
  Interspeech-2008, pp.187--190, 2008.
  [PDF]
  
  
• Satoshi Ikeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Extensibility Verification of Robust Domain Selection against Out-of-Grammar Utterances in Multi-Domain Spoken Dialogue System.
  Interspeech-2008, pp.487--490, 2008.
  [PDF]
  
  
• Satoshi Ikeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Integrating Topic Estimation and Dialogue History for Domain Selection in Multi-Domain Spoken Dialogue Systems.
  The 21st International Conference on Industrial, Engineering and Other Applications of Applied Intelligence Systems (IEA/AIE-2008), LNAI5027, pp.294--304, 2008.
  [doi]
  
  
• Yuichiro Fukubayashi, Kazunori Komatani, Mikio Nakano, Kotaro Funakoshi, Hiroshi Tsujino, Tetsuya Ogata, Hiroshi G. Okuno:
  Rapid Prototyping of Robust Language Understanding Modules for Spoken Dialogue Systems.
  The Third International Joint Conference on Natural Language Processing (IJCNLP2008), pp.210--216, 2008.
  [PDF]
  
  
• Kazunori Komatani, Yuichiro Fukubayashi, Tetsuya Ogata, Hiroshi G. Okuno:
  Introducing Utterance Verification in Spoken Dialogue System to Improve Dynamic Help Generation for Novice Users.
  8th SIGdial Workshop on Discourse and Dialogue, pp.202--205, 2007.
  [PDF]
  
  
• Kazunori Komatani, Tatsuya Kawahara, Hiroshi G. Okuno:
  Analyzing Temporal Transition of Real User's Behaviors in a Spoken Dialogue System.
  Interspeech-2007, pp.142--145, 2007.
  [PDF]
  
  
• Satoshi Ikeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Topic Estimation with Domain Extensibility for Guiding User's Out-of-Grammar Utterances in Multi-Domain Spoken Dialogue Systems.
  Interspeech-2007, pp.2561--2564, 2007.
  [PDF]
  
  
• Yuichiro Fukubayashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno:
  Dynamic Help Generation by Estimating User's Mental Model in Spoken Dialogue Systems.
  International Conference on Spoken Language Processing (Interspeech-2006), pp.1946--1949, 2006.
  [PDF]
  
  
• Kazunori Komatani, Naoyuki Kanda, Mikio Nakano, Kazuhiro Nakadai, Hiroshi Tsujino, Tetsuya Ogata, Hiroshi G. Okuno:
  Multi-Domain Spoken Dialogue System with Extensibility and Robustness against Speech Recognition Errors.
  7th SIGdial Workshop on Discourse and Dialogue, pp.9--17, 2006.
  [PDF]
  
  
• Kazunori Komatani, Naoyuki Kanda, Tetsuya Ogata, Hiroshi G. Okuno:
  Contextual Constraints based on Dialogue Models in Database Search Task for Spoken Dialogue Systems
  The 9th European Conf. on Speech Communication and Technology (Eurospeech2005), pp. 877--880, 2005.
  [PDF]
  
  
• Kazunori Komatani, Ryoji Hamabe, Tetsuya Ogata, Hiroshi G. Okuno:
  Generating Confirmation to Distinguish Phonologically Confusing Word Pairs in Spoken Dialogue Systems
  4th IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, pp.40--45, 2005.
  [PDF]
  
  
• Teruhisa Misu, Kazunori Komatani, Tatsuya Kawahara:
  Confirmation Strategy for Document Retrieval Systems with Spoken Dialog Interface.
  Int'l Conf. Spoken Language Processing (ICSLP2004), pp. 45--48, 2004.
  
  
• Kazunori Komatani, Teruhisa Misu, Tatsuya Kawahara, Hiroshi G. Okuno:
  Efficient Confirmation Strategy for Large-scale Text Retrieval Systems with Spoken Dialogue Interface.
  Int'l Conf. Computational Linguistics (COLING2004), Vol.2, pp.1100--1106, 2004.
  [PDF]
  
  
• Kazunori Komatani, Ryosuke Ito, Tatsuya Kawahara, Hiroshi G. Okuno:
  Recognition of Emotional States in Spoken Dialogue with a Robot.
  The 17th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2004), LNAI3029, pp.413--423, Springer-Verlag, 2004.
  
  
• Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno:
  User Modeling in Spoken Dialogue Systems for Flexible Guidance Generation.
  The 8th European Conf. on Speech Communication and Technology (Eurospeech2003), pp.745--748, 2003.
  [PDF]
  
  
• Tatsuya Kawahara, Ryosuke Ito, Kazunori Komatani:
  Spoken Dialogue System for Queries on Appliance Manuals using Hierarchical Confirmation Strategy.
  The 8th European Conf. on Speech Communication and Technology (Eurospeech2003), pp.1701--1704, 2003.
  [PDF]
  
  
• Kazunori Komatani, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno:
  Flexible Guidance Generation using User Model in Spoken Dialogue Systems.
  41st Annual Meeting of the Association for Computational Linguistics (ACL2003), pp.256--263, 2003.
  [PDF]
  
  
• Yoji Kiyota, Sadao Kurohashi, Teruhisa Misu, Kazunori Komatani, Tatsuya Kawahara, Fuyuko Kido:
  ``Dialog Navigator''A Spoken Dialog Q-A System based on Large Text Knowledge Base.
  ACL03 Interactive Poster/Demo Session, pp.149--152 (Companion Volume), 2003．
  [PDF]
  
  
• Kazunori Komatani, Fumihiro Adachi, Shinichi Ueno, Tatsuya Kawahara, Hiroshi G. Okuno:
  Flexible Spoken Dialogue System based on User Models and Dynamic Generation of VoiceXML Scripts.
  4th SIGdial Workshop on Discourse and Dialogue, pp.87--96, 2003.
  
  
• Kazunori Komatani, Tatsuya Kawahara, Ryosuke Ito, Hiroshi G. Okuno:
  Efficient Dialogue Strategy to Find Users' Intended Items
  from Information Query Results．
  Int'l Conf. Computational Linguistics (COLING2002), Vol. 1, pp.481--487, 2002.
  [PDF]
  
  
• Kazunori Komatani, Katsuaki Tanaka, Hiroaki Kashima, Tatsuya Kawahara:
  Domain-Independent Spoken Dialogue Platform using
  Key-Phrase Spotting based on Combined Language Model．
  The 7th European Conf. on Speech Communication and Technology (Eurospeech2001), pp. 1319--1322, 2001.
  [PDF]
  
  
• Kazunori Komatani, Tatsuya Kawahara:
  Generating Effective Confirmation and Guidance using
  Two-level Confidence Measures for Dialogue Systems.
  Int'l Conf. Spoken Language Processing (ICSLP2000), Vol. 2, pp. 648-651, 2000.
  [PDF]
  
  
• Kazunori Komatani, Tatsuya Kawahara:
  Flexible Mixed-Initiative Dialogue Management using
  Concept-Level Confidence Measures of Speech Recognizer Output.
  Int'l Conf. Computational Linguistics (COLING2000), Vol. 1, pp.467-473, 2000.
  PDF file. PS file(gzipped).
  
  
• Tatsuya Kawahara, Kazunori Komatani, Shuji Doshita:
  Dialogue Management using Concept-level Confidence Measures of Speech Recognition.
  Int'l Sympo. on Spoken Dialogue (ISSD), 2000．
  
  
• Masahiro Araki, Kazunori Komatani, Taishi Hirata, Shuji Doshita:
  A Dialogue Library for Task-oriented Spoken Dialogue Systems.
  IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, pp.1--7, 1999.
  (Link)