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
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]
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]
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]
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]
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]
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]
Ryuichiro Higashinaka, Rashmi Prasad, Marilyn Walker, "Augmenting variation of system utterances
using corpora in spoken dialogue systems", ASRU, pp.262-267, 2005. [pdf][poster]
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]
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]
Ryuichiro Higashinaka, Hideki Isozaki, "NTT's Question Answering System for NTCIR-6 QAC-4", NTCIR-6, pp.460-463, 2007. [pdf][slides]
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]
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]
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]
Ryuichiro Higashinaka, Hideki Isozaki, "NTT’s CCLQA System for NTCIR-7 ACLIA", NTCIR-7, pp.66-69, 2008. [pdf][poster]
Toyomi Meguro, Ryuichiro Higashinaka, Kohji Dohsaka, Yasuhiro Minami, Hideki Isozaki, "Analysis of Listening-oriented
Dialogue for Building Listening Agents", SIGDIAL, pp.124–127, 2009.
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.
Toyomi Meguro, Ryuichiro Higashinaka, Kohji Dohsaka, Yasuhiro Minami, Hideki Isozaki, "Effects of Personality
Traits on Listening-oriented Dialogue", IWSDS, 2009. [pdf]
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]
Ryuichiro Higashinaka, Noriaki Kawamae, Kohji Dohsaka, Hideki Isozaki, "Using Collaborative Filtering to Predict User Utterances in Dialogue", IWSDS, 2009. [pdf][slides]
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>
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]
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]
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]
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]
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]
Yasuhiro Minami, Ryuichiro Higashinaka, Kohji Dohsaka, Toyomi Meguro, and Eisaku Maeda, "Trigram Dialogue Control using POMDPs", SLT 2010.[pdf]
Toyomi Meguro, Ryuichiro Higashinaka, Yasuhiro Minami, Kohji Dohsaka,
"Evaluation of Listening-oriented Dialogue Control Rules based on the Analysis
of HMMs", Interspeech, 2011.[pdf]
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]
Toyomi Meguro, Yasuhiro Minami, Ryuichiro Higashinaka, Kohji Dohsaka,
"Wizard of Oz Evaluation of Listening-oriented Dialogue control using POMDP",
ASRU, 2011.[pdf]
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]