Publication List

Books

  1. Hideki Isozaki, Ryuichiro Higashinaka, Masaaki Nagata, Tsuneaki Kato (supervising editor: Manabu Okumura), "Natural Language Processing Series 2 Question Answering Systems", ISBN：978-4-339-02752-5, Corona Publishing CO., LTD., 2009. [publisher's cite][amazon] (in Japanese)
  2. Wolfgang Minker, Gary Geunbae Lee, Satoshi Nakamura, Joseph Mariani. (Eds.), Yasuhiro Minami, Akira Mori, Toyomi Meguro, Ryuichiro Higashinaka, Kohji Dohsaka, and Eisaku Maeda, "Dialogue control by POMDP using Dialogue data statistices, Spoken Dialogue Systems Technology and Design", Springer-Verlag, pp.163-186, 2010.[amazon]

Journal Articles

  1. Ryuichiro Higashinaka, Noboru Miyazaki, Mikio Nakano, Kiyoaki Aikawa, "Evaluating Discourse Understanding in Spoken Dialogue Systems", ACM Transactions on Speech and Language Processing, vol.1, no.1, pp.1-20, 2004. [final draft] [available online]
  2. Ryuichiro Higashinaka, Katsuhito Sudoh, Mikio Nakano, "Incorporating Discourse Features into Confidence Scoring of Intention Recognition Results in Spoken Dialogue Systems", Speech Communication, Special Issue on Spoken Language Understanding for Conversational Systems, Volume 48, Issues 3-4, pp.417-436, 2006.[final draft][available online]
  3. Ryuichiro Higashinaka, Marilyn Walker, Rashmi Prasad, "An unsupervised method for learning generation dictionaries for spoken dialogue systems by mining user reviews", ACM Transactions on Speech and Language Processing, Volume 4, Issue 4, Article 8 (25 pages), 2007.[final draft][available online]
  4. Ryuichiro Higashinaka, Hideki Isozaki, "Automatically Acquiring Causal Expression Patterns from Relation-annotated Corpora to Improve Question Answering for why-Questions", ACM Transactions on Asian Language Information Processing, Special Issue on NTCIR-6, Volume 7, Issue 2, Article 6 (29 pages), 2008. [final draft][available online]
  5. Ryuichiro Higashinaka, Mikio Nakano, "Ranking Multiple Dialogue States by Corpus Statistics to Improve Discourse Understanding in Spoken Dialogue Systems", IEICE Trans. Inf. & Syst., Vol.E92.D, No.9, pp.1771–1782, 2009. [available online]

International Conferences

  1. Ryuichiro Higashinaka, Katashi Nagao, "Interactive Paraphrasing Based on Linguistic Annotation", COLING, vol.2, pp.1218-1222, 2002.[pdf][poster]
  2. Ryuichiro Higashinaka, NoboruMiyazaki, Mikio Nakano, Kiyoaki Aikawa, "A Method for Evaluating Incremental Utterance Understanding in Spoken Dialogue Systems", ICSLP, pp.829-832, 2002.[pdf][poster]
  3. Ryo Sato, Ryuichiro Higashinaka, Masafumi Tamoto, Mikio Nakano, Kiyoaki Aikawa, "Learning Decision Trees to Determine Turn-Taking by Spoken Dialogue Systems", ICSLP, pp.861-834, 2002.[pdf]
  4. Ryuichiro Higashinaka, Mikio Nakano, Kiyoaki Aikawa, "Corpus-based Discourse Understanding in Spoken Dialogue Systems", ACL, pp240-247, 2003.[pdf][slides]
  5. Ryuichiro Higashinaka, Noboru Miyazaki, Mikio Nakano, Kiyoaki Aikawa, "Evaluating Discourse Understanding in Spoken Dialogue Systems", eurospeech, pp1941-1944, 2003.[pdf][poster]
  6. Ryuichiro Higashinaka, Katsuhito Sudoh, Mikio Nakano, "Incorporating Discourse Features into Confidence Scoring of Intention Recognition Results in Spoken Dialogue Systems", ICASSP, vol.1, pp.25-28, 2005. [pdf][slides]
  7. Ryuichiro Higashinaka, Rashmi Prasad, Marilyn Walker, "Augmenting variation of system utterances using corpora in spoken dialogue systems", ASRU, pp.262-267, 2005. [pdf][poster]
  8. Emma Barker, Ryuichiro Higashinaka, Francois Mairesse, Robert Gaizauskas, Marilyn Walker and Jonathan Foster, "Simulating Cub Reporter Dialogues: The collection of naturalistic human-human dialogues for information access to text archives", LREC, 2006. [pdf]
  9. Ryuichiro Higashinaka, Rashmi Prasad, Marilyn Walker, "Learning to Generate Naturalistic Utterances Using Reviews in Spoken Dialogue Systems", Coling-ACL 2006, pp.265-272, 2006. [pdf][slides]
  10. Ryuichiro Higashinaka, Hideki Isozaki, "NTT's Question Answering System for NTCIR-6 QAC-4", NTCIR-6, pp.460-463, 2007. [pdf][slides]
  11. Ryuichiro Higashinaka, Kohji Dohsaka, Hideki Isozaki, "Learning to Rank Definitions to Generate Quizzes for Interactive Information Presentation", ACL (Poster Presentation), pp.117-120, 2007. [pdf][poster]
  12. Ryuichiro Higashinaka, Kohji Dohsaka, Shigeaki Amano, Hideki Isozaki, "Effects of Quiz-style Information Presentation on User Understanding", Interspeech, pp.2725-2728, 2007. [pdf][slides][demo video]
  13. Yasuhiro Minami, Minako Sawaki, Kohji Dohsaka, Ryuichiro Higashinaka, Kentaro Ishizuka, Hideki Isozaki, Tatsushi Matsubayashi, Masato Miyoshi, Atsushi Nakamura, Takanobu Oba, Hiroshi Sawada, Takeshi Yamada, and Eisaku Maeda, "The World of Mushrooms: Human-Computer Interaction Prototype Systems for Ambient Intelligence", ICMI, 2007. [pdf]
  14. Minako Sawaki, Yasuhiro Minami, Ryuichiro Higashinaka, Kohji Dohsaka, Takeshi Yamada, Tatsushi Matsubayashi, Hideki Isozaki, and Eisaku Maeda, "Quizmaster Mushrooms:`Who is this' Quiz Dialogue System", ICMI (Demonstration) , 2007.
  15. Yasuhiro Minami, Minako Sawaki, Ryuichiro Higashinaka, Kohji Dohsaka, Takeshi Yamada, Tatsushi Matsubayashi, Hideki Isozaki and Eisaku Maeda, "Quizmaster Mushrooms: "Who is this" Quiz Dialogue System", ASRU （Demonstration), 2007.
  16. Ryuichiro Higashinaka, Hideki Isozaki, "Corpus-based Question Answering for why-Questions", IJCNLP, vol.1, pp.418-425, 2008. [pdf][slides]
  17. Minako Sawaki, Yasuhiro Minami, Ryuichiro Higashinaka, Kohji Dohsaka, Eisaku Maeda, "Who is this" Quiz Dialogue System and Users' Evaluation, 2008 IEEE Workshop on Spoken Language Technology (SLT 2008), 2008.
  18. Ryuichiro Higashinaka, Kohji Dohsaka, Hideki Isozaki, "Effects of Self-Disclosure and Empathy in Human-Computer Dialogue", 2008 IEEE Workshop on Spoken Language Technology (SLT 2008), 2008. [pdf][poster][demo video of an empathic system][demo video of a non-empathic system] (Demos are in Japanese.)
  19. Ryuichiro Higashinaka, Hideki Isozaki, "NTT’s CCLQA System for NTCIR-7 ACLIA", NTCIR-7, pp.66-69, 2008. [pdf][poster]
  20. Toyomi Meguro, Ryuichiro Higashinaka, Kohji Dohsaka, Yasuhiro Minami, Hideki Isozaki, "Analysis of Listening-oriented Dialogue for Building Listening Agents", SIGDIAL, pp.124–127, 2009.
  21. Kohji Dohsaka, Ryota Asai, Ryuichiro Higashinaka, Yasuhiro Minami, Eisaku Maeda, "Effects of Conversational Agents on Human Communication in Thought-Evoking Multi-Party Dialogues", SIGDIAL, pp.217–224, 2009.
  22. Toyomi Meguro, Ryuichiro Higashinaka, Kohji Dohsaka, Yasuhiro Minami, Hideki Isozaki, "Effects of Personality Traits on Listening-oriented Dialogue", IWSDS, 2009. [pdf]
  23. Yasuhiro Minami, Akira Mori, Toyomi Meguro, Ryuichiro Higashinaka, Kohji Dohsaka, Eisaku Maeda, "Dialogue Control Algorithm for Ambient Intelligence based on Partially Observable Markov Decision Processes", IWSDS, 2009. [pdf]
  24. Ryuichiro Higashinaka, Noriaki Kawamae, Kohji Dohsaka, Hideki Isozaki, "Using Collaborative Filtering to Predict User Utterances in Dialogue", IWSDS, 2009. [pdf][slides]
  25. Noriaki Kawamae, Ryuichiro Higashinaka, "Trend detection model", WWW, pp.1129-1130, 2010.
  26. Toyomi Meguro, Ryuichiro Higashinaka, Yasuhiro Minami and Kohji Dohsaka, "Controlling Listening-oriented Dialogue using Partially Observable Markov Decision Processes", COLING, pp.761-769, 2010. [pdf] <best paper finalist>
  27. Ryuichiro Higashinaka, Yasuhiro Minami, Hitoshi Nishikawa, Kohji Dohsaka, Toyomi Meguro, Satoshi Takahashi and Genichiro Kikui, "Learning to Model Domain-Specific Utterance Sequences for Extractive Summarization of Contact Center Dialogues", COLING, pp.400-408, 2010. [pdf][poster]
  28. Ryuichiro Higashinaka, Yasuhiro Minami, Kohji Dohsaka, and Toyomi Meguro, "Modeling User Satisfaction Transitions in Dialogues from Overall Ratings", SIGDIAL, pp.18-27, 2010.[pdf][slides]
  29. Kohji Dohsaka, Atsushi Kanemoto, Ryuichiro Higashinaka, Yasuhiro Minami and Eisaku Maeda, "User-adaptive Coordination of Agent Communicative Behavior in Spoken Dialogue", SIGDIAL, pp.314-321, 2010.[pdf]
  30. Ryuichiro Higashinaka, Yasuhiro Minami, Kohji Dohsaka, and Toyomi Meguro, "Issues in Predicting User Satisfaction Transitions in Dialogues: Individual Differences, Evaluation Criteria, and PredictionModels", IWSDS, pp.48-60, 2010. (Lecture Notes in Computer Science, 2010, Volume 6392/2010, 48-60, DOI: 10.1007/978-3-642-16202-2_5)[slides]
  31. Ryuichiro Higashinaka, Yasuhiro Minami, Hitoshi Nishikawa, Kohji Dohsaka,Toyomi Meguro, Satoshi Kobashikawa, Hirokazu Masataki, Osamu Yoshioka, Satoshi Takahashi, and Genichiro Kikui, "Improving HMM-based Extractive Summarization for Multi-Domain Contact Center Dialogues", SLT, 2010. [pdf][poster]
  32. Yasuhiro Minami, Ryuichiro Higashinaka, Kohji Dohsaka, Toyomi Meguro, and Eisaku Maeda, "Trigram Dialogue Control using POMDPs", SLT 2010. [pdf]
  33. Toyomi Meguro, Ryuichiro Higashinaka, Yasuhiro Minami, Kohji Dohsaka, "Evaluation of Listening-oriented Dialogue Control Rules based on the Analysis of HMMs", Interspeech, 2011.[pdf]
  34. Ryuichiro Higashinaka, Noriaki Kawamae, Kugatsu Sadamitsu, Yasuhiro Minami, Toyomi Meguro, Kohji Dohsaka, Hirohito Inagaki, "Unsupervised Clustering of Utterances using Non-parametric Bayesian Methods", Interspeech, 2011.[pdf]
  35. Toyomi Meguro, Yasuhiro Minami, Ryuichiro Higashinaka, Kohji Dohsaka, "Wizard of Oz Evaluation of Listening-oriented Dialogue control using POMDP", ASRU, 2011.[pdf]
  36. Ryuichiro Higashinaka, Noriaki Kawamae, Kugatsu Sadamitsu, Yasuhiro Minami, Toyomi Meguro, Kohji Dohsaka, Hirohito Inagaki, "Building a Conversational Model from Two-Tweets", ASRU, 2011.[pdf][poster]

Domestic Conferences (see here for the list of publications in Japanese)

Miscellaneous

  1. Ryuichiro Higashinaka, Noboru Miyazaki, Mikio Nakano, Kiyoaki Aikawa, "Evaluating Discourse Understanding in Spoken Dialogue Systems", NTT Workshop on Communication Scene Analysis (CSA2004), 2004.
  2. Eisaku Maeda, Yasuhiro Minami, Masato Miyoshi, Minako Sawaki, Hiroshi Sawada, Atsushi Nakamura, Junji Yamato, Takeshi Yamada, and Ryuichiro Higashinaka, "The World of Mushrooms-Transdisciplinary Approach to Human-Computer Interaction with Ambient Intelligence", NTT Technical Review, vol.4, No.12, pp17-25, 2006. [pdf]<best paper award>

Theses

Master Thesis
A System supporting word/phrase understanding of online documents using Annotations, 2001. (in Japanese)[pdf]
Doctoral Dissertation
Discourse Understanding in Task-oriented Spoken Dialogue Systems, 2008.[pdf]

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