Interactive Paraphrasing Based on Linguistic Annotation. - Ryuichiro Higashinaka; Katashi Nagao (COLING, 2002)

A method for evaluating incremental utterance understanding in spoken dialogue systems. - Ryuichiro Higashinaka; Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2002)

Learning decision trees to determine turn-taking by spoken dialogue systems. - Ryo Sato; Ryuichiro Higashinaka; Masafumi Tamoto; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2002)

Corpus-Based Discourse Understanding in Spoken Dialogue Systems. - Ryuichiro Higashinaka; Mikio Nakano; Kiyoaki Aikawa (ACL, 2003)

Evaluating discourse understanding in spoken dialogue systems. - Ryuichiro Higashinaka; Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (ACM Trans. Speech Lang. Process., 2004)

Learning to Generate Naturalistic Utterances Using Reviews in Spoken Dialogue Systems. - Ryuichiro Higashinaka; Rashmi Prasad; Marilyn A. Walker (ACL, 2006)

Simulating Cub Reporter Dialogues: The collection of naturalistic human-human dialogues for information access to text archives. - Emma Barker; Ryuichiro Higashinaka; François Mairesse; Robert J. Gaizauskas; Marilyn A. Walker; Jonathan Foster (LREC, 2006)

Incorporating discourse features into confidence scoring of intention recognition results in spoken dialogue systems. - Ryuichiro Higashinaka; Katsuhito Sudoh; Mikio Nakano (Speech Commun., 2006)

Learning to Rank Definitions to Generate Quizzes for Interactive Information Presentation. - Ryuichiro Higashinaka; Kohji Dohsaka; Hideki Isozaki (ACL, 2007)

The world of mushrooms: human-computer interaction prototype systems for ambient intelligence. - Yasuhiro Minami; Minako Sawaki; Kohji Dohsaka; Ryuichiro Higashinaka; Kentaro Ishizuka; Hideki Isozaki; Tatsushi Matsubayashi; Masato Miyoshi; Atsushi Nakamura; Takanobu Oba; Hiroshi Sawada; Takeshi Yamada; et al. (ICMI, 2007)

Effects of quiz-style information presentation on user understanding. - Ryuichiro Higashinaka; Kohji Dohsaka; Shigeaki Amano; Hideki Isozaki (INTERSPEECH, 2007)

NTT's Question Answering System for NTCIR-6 QAC-4. - Ryuichiro Higashinaka; Hideki Isozaki (NTCIR, 2007)

An unsupervised method for learning generation dictionaries for spoken dialogue systems by mining user reviews. - Ryuichiro Higashinaka; Marilyn A. Walker; Rashmi Prasad (ACM Trans. Speech Lang. Process., 2007)

Corpus-based Question Answering for why-Questions. - Ryuichiro Higashinaka; Hideki Isozaki (IJCNLP, 2008)

NTT's CCLQA System for NTCIR-7 ACLIA. - Ryuichiro Higashinaka; Hideki Isozaki (NTCIR, 2008)

Effects of self-disclosure and empathy in human-computer dialogue. - Ryuichiro Higashinaka; Kohji Dohsaka; Hideki Isozaki (SLT, 2008)

"Who is this" quiz dialogue system and users' evaluation. - Minako Sawaki; Yasuhiro Minami; Ryuichiro Higashinaka; Kohji Dohsaka; Eisaku Maeda (SLT, 2008)

Automatically Acquiring Causal Expression Patterns from Relation-annotated Corpora to Improve Question Answering for why-Questions. - Ryuichiro Higashinaka; Hideki Isozaki (ACM Trans. Asian Lang. Inf. Process., 2008)

Effects of Conversational Agents on Human Communication in Thought-Evoking Multi-Party Dialogues. - Kohji Dohsaka; Ryota Asai; Ryuichiro Higashinaka; Yasuhiro Minami; Eisaku Maeda (SIGDIAL Conference, 2009)

Analysis of Listening-Oriented Dialogue for Building Listening Agents. - Toyomi Meguro; Ryuichiro Higashinaka; Kohji Dohsaka; Yasuhiro Minami; Hideki Isozaki (SIGDIAL Conference, 2009)

Ranking Multiple Dialogue States by Corpus Statistics to Improve Discourse Understanding in Spoken Dialogue Systems. - Ryuichiro Higashinaka; Mikio Nakano (IEICE Trans. Inf. Syst., 2009)

Learning to Model Domain-Specific Utterance Sequences for Extractive Summarization of Contact Center Dialogues. - Ryuichiro Higashinaka; Yasuhiro Minami; Hitoshi Nishikawa; Kohji Dohsaka; Toyomi Meguro; Satoshi Takahashi; Gen-ichiro Kikui (COLING (Posters), 2010)

Controlling Listening-oriented Dialogue using Partially Observable Markov Decision Processes. - Toyomi Meguro; Ryuichiro Higashinaka; Yasuhiro Minami; Kohji Dohsaka (COLING, 2010)

Issues in Predicting User Satisfaction Transitions in Dialogues: Individual Differences, Evaluation Criteria, and Prediction Models. - Ryuichiro Higashinaka; Yasuhiro Minami; Kohji Dohsaka; Toyomi Meguro (IWSDS, 2010)

User-adaptive Coordination of Agent Communicative Behavior in Spoken Dialogue. - Kohji Dohsaka; Atsushi Kanemoto; Ryuichiro Higashinaka; Yasuhiro Minami; Eisaku Maeda (SIGDIAL Conference, 2010)

Modeling User Satisfaction Transitions in Dialogues from Overall Ratings. - Ryuichiro Higashinaka; Yasuhiro Minami; Kohji Dohsaka; Toyomi Meguro (SIGDIAL Conference, 2010)

Improving hmm-based extractive summarization for multi-domain contact center dialogues. - Ryuichiro Higashinaka; Yasuhiro Minami; Hitoshi Nishikawa; Kohji Dohsaka; Toyomi Meguro; Satoshi Kobashikawa; Hirokazu Masataki; Osamu Yoshioka; Satoshi Takahashi; Gen-ichiro Kikui (SLT, 2010)

Trigram dialogue control using POMDPs. - Yasuhiro Minami; Ryuichiro Higashinaka; Kohji Dohsaka; Toyomi Meguro; Eisaku Maeda (SLT, 2010)

Trend detection model. - Noriaki Kawamae; Ryuichiro Higashinaka (WWW, 2010)

Dialogue Control by Pomdp Using Dialogue Data Statistics. - Yasuhiro Minami; Akira Mori; Toyomi Meguro; Ryuichiro Higashinaka; Kohji Dohsaka; Eisaku Maeda (IWSDS, 2011)

Building a conversational model from two-tweets. - Ryuichiro Higashinaka; Noriaki Kawamae; Kugatsu Sadamitsu; Yasuhiro Minami; Toyomi Meguro; Kohji Dohsaka; Hirohito Inagaki (ASRU, 2011)

Wizard of Oz evaluation of listening-oriented dialogue control using POMDP. - Toyomi Meguro; Yasuhiro Minami; Ryuichiro Higashinaka; Kohji Dohsaka (ASRU, 2011)

Unsupervised Clustering of Utterances Using Non-Parametric Bayesian Methods. - Ryuichiro Higashinaka; Noriaki Kawamae; Kugatsu Sadamitsu; Yasuhiro Minami; Toyomi Meguro; Kohji Dohsaka; Hirohito Inagaki (INTERSPEECH, 2011)

Evaluation of Listening-Oriented Dialogue Control Rules Based on the Analysis of HMMs. - Toyomi Meguro; Yasuhiro Minami; Ryuichiro Higashinaka; Kohji Dohsaka (INTERSPEECH, 2011)

Automatic Detection of Metonymies using Associative Relations between Words. - Takehiro Teraoka; Ryuichiro Higashinaka; Jun Okamoto; Shun Ishizaki (CogSci, 2012)

Creating an Extended Named Entity Dictionary from Wikipedia. - Ryuichiro Higashinaka; Kugatsu Sadamitsu; Kuniko Saito; Toshiro Makino; Yoshihiro Matsuo (COLING, 2012)

Using role play for collecting question-answer pairs for dialogue agents. - Ryuichiro Higashinaka; Kohji Dohsaka; Hideki Isozaki (INTERSPEECH, 2013)

Estimating callers' levels of knowledge in call center dialogues. - Chiaki Miyazaki; Ryuichiro Higashinaka; Toshiro Makino; Yoshihiro Matsuo (INTERSPEECH, 2013)

Open-domain Utterance Generation for Conversational Dialogue Systems using Web-scale Dependency Structures. - Hiroaki Sugiyama; Toyomi Meguro; Ryuichiro Higashinaka; Yasuhiro Minami (SIGDIAL Conference, 2013)

Learning to control listening-oriented dialogue using partially observable markov decision processes. - Toyomi Meguro; Yasuhiro Minami; Ryuichiro Higashinaka; Kohji Dohsaka (ACM Trans. Speech Lang. Process., 2013)

Towards an open-domain conversational system fully based on natural language processing. - Ryuichiro Higashinaka; Kenji Imamura; Toyomi Meguro; Chiaki Miyazaki; Nozomi Kobayashi; Hiroaki Sugiyama; Toru Hirano; Toshiro Makino; Yoshihiro Matsuo (COLING, 2014)

Predicate-Argument Structure Analysis with Zero-Anaphora Resolution for Dialogue Systems. - Kenji Imamura; Ryuichiro Higashinaka; Tomoko Izumi (COLING, 2014)

Evaluating coherence in open domain conversational systems. - Ryuichiro Higashinaka; Toyomi Meguro; Kenji Imamura; Hiroaki Sugiyama; Toshiro Makino; Yoshihiro Matsuo (INTERSPEECH, 2014)

Large-scale Collection and Analysis of Personal Question-Answer Pairs for Conversational Agents. - Hiroaki Sugiyama; Toyomi Meguro; Ryuichiro Higashinaka; Yasuhiro Minami (IVA, 2014)

Syntactic Filtering and Content-Based Retrieval of Twitter Sentences for the Generation of System Utterances in Dialogue Systems. - Ryuichiro Higashinaka; Nozomi Kobayashi; Toru Hirano; Chiaki Miyazaki; Toyomi Meguro; Toshiro Makino; Yoshihiro Matsuo (IWSDS, 2014)

Extraction of Daily Changing Words for Question Answering. - Kugatsu Sadamitsu; Ryuichiro Higashinaka; Yoshihiro Matsuo (LREC, 2014)

Open-domain utterance generation using phrase pairs based on dependency relations. - Hiroaki Sugiyama; Toyomi Meguro; Ryuichiro Higashinaka; Yasuhiro Minami (SLT, 2014)

Effects of Conversational Agents on Activation of Communication in Thought-Evoking Multi-Party Dialogues. - Kohji Dohsaka; Ryota Asai; Ryuichiro Higashinaka; Yasuhiro Minami; Eisaku Maeda (IEICE Trans. Inf. Syst., 2014)

Classification and Acquisition of Contradictory Event Pairs using Crowdsourcing. - Yu Takabatake; Hajime Morita; Daisuke Kawahara; Sadao Kurohashi; Ryuichiro Higashinaka; Yoshihiro Matsuo (EVENTS@HLP-NAACL, 2015)

On the difficulty of improving hand-crafted rules in chat-oriented dialogue systems. - Ryuichiro Higashinaka; Toyomi Meguro; Hiroaki Sugiyama; Toshiro Makino; Yoshihiro Matsuo (APSIPA, 2015)

Fatal or not? Finding errors that lead to dialogue breakdowns in chat-oriented dialogue systems. - Ryuichiro Higashinaka; Masahiro Mizukami; Kotaro Funakoshi; Masahiro Araki; Hiroshi Tsukahara; Yuka Kobayashi (EMNLP, 2015)

Automatic conversion of sentence-end expressions for utterance characterization of dialogue systems. - Chiaki Miyazaki; Toru Hirano; Ryuichiro Higashinaka; Toshiro Makino; Yoshihiro Matsuo (PACLIC, 2015)

Discourse Relation Recognition by Comparing Various Units of Sentence Expression with Recursive Neural Network. - Atsushi Otsuka; Toru Hirano; Chiaki Miyazaki; Ryo Masumura; Ryuichiro Higashinaka; Toshiro Makino; Yoshihiro Matsuo (PACLIC, 2015)

Towards Taxonomy of Errors in Chat-oriented Dialogue Systems. - Ryuichiro Higashinaka; Kotaro Funakoshi; Masahiro Araki; Hiroshi Tsukahara; Yuka Kobayashi; Masahiro Mizukami (SIGDIAL Conference, 2015)

Utterance Selection Using Discourse Relation Filter for Chat-oriented Dialogue Systems. - Atsushi Otsuka; Toru Hirano; Chiaki Miyazaki; Ryuichiro Higashinaka; Toshiro Makino; Yoshihiro Matsuo (IWSDS, 2016)

Evaluation of Question-Answering System About Conversational Agent's Personality. - Hiroaki Sugiyama; Toyomi Meguro; Ryuichiro Higashinaka (IWSDS, 2016)

The dialogue breakdown detection challenge: Task description, datasets, and evaluation metrics. - Ryuichiro Higashinaka; Kotaro Funakoshi; Yuka Kobayashi; Michimasa Inaba (LREC, 2016)

Overview of the NTCIR-12 Short Text Conversation Task. - Lifeng Shang; Tetsuya Sakai; Zhengdong Lu; Hang Li 001; Ryuichiro Higashinaka; Yusuke Miyao (NTCIR, 2016)

Analyzing Post-dialogue Comments by Speakers - How Do Humans Personalize Their Utterances in Dialogue? -. - Toru Hirano; Ryuichiro Higashinaka; Yoshihiro Matsuo (SIGDIAL Conference, 2016)

Towards an Entertaining Natural Language Generation System: Linguistic Peculiarities of Japanese Fictional Characters. - Chiaki Miyazaki; Toru Hirano; Ryuichiro Higashinaka; Yoshihiro Matsuo (SIGDIAL Conference, 2016)

Understanding the Semantic Structures of Tables with a Hybrid Deep Neural Network Architecture. - Kyosuke Nishida; Kugatsu Sadamitsu; Ryuichiro Higashinaka; Yoshihiro Matsuo (AAAI, 2017)

Hyperspherical Query Likelihood Models with Word Embeddings. - Ryo Masumura; Taichi Asami; Hirokazu Masataki; Kugatsu Sadamitsu; Kyosuke Nishida; Ryuichiro Higashinaka (IJCNLP(2), 2017)

Investigating the Effect of Conveying Understanding Results in Chat-Oriented Dialogue Systems. - Koh Mitsuda; Ryuichiro Higashinaka; Junji Tomita (IJCNLP(2), 2017)

Online End-of-Turn Detection from Speech Based on Stacked Time-Asynchronous Sequential Networks. - Ryo Masumura; Taichi Asami; Hirokazu Masataki; Ryo Ishii; Ryuichiro Higashinaka (INTERSPEECH, 2017)

Zero-Shot Learning for Natural Language Understanding Using Domain-Independent Sequential Structure and Question Types. - Kugatsu Sadamitsu; Yukinori Homma; Ryuichiro Higashinaka; Yoshihiro Matsuo (INTERSPEECH, 2017)

What Information Should a Dialogue System Understand?: Collection and Analysis of Perceived Information in Chat-Oriented Dialogue. - Koh Mitsuda; Ryuichiro Higashinaka; Yoshihiro Matsuo (IWSDS, 2017)

Automatic Evaluation of Chat-Oriented Dialogue Systems Using Large-Scale Multi-references. - Hiroaki Sugiyama; Toyomi Meguro; Ryuichiro Higashinaka (IWSDS, 2017)

Overview of the NTCIR-13 Short Text Conversation Task. - Lifeng Shang; Tetsuya Sakai; Hang Li 001; Ryuichiro Higashinaka; Yusuke Miyao; Yuki Arase; Masako Nomoto (NTCIR, 2017)

Multi-task and Multi-lingual Joint Learning of Neural Lexical Utterance Classification based on Partially-shared Modeling. - Ryo Masumura; Tomohiro Tanaka; Ryuichiro Higashinaka; Hirokazu Masataki; Yushi Aono (COLING, 2018)

Adversarial Training for Multi-task and Multi-lingual Joint Modeling of Utterance Intent Classification. - Ryo Masumura; Yusuke Shinohara; Ryuichiro Higashinaka; Yushi Aono (EMNLP, 2018)

Automatically Generating Head Nods with Linguistic Information. - Ryo Ishii; Ryuichiro Higashinaka; Kyosuke Nishida; Taichi Katayama; Nozomi Kobayashi; Junji Tomita (HCI (14), 2018)

Neural Confnet Classification: Fully Neural Network Based Spoken Utterance Classification Using Word Confusion Networks. - Ryo Masumura; Yusuke Ijima; Taichi Asami; Hirokazu Masataki; Ryuichiro Higashinaka (ICASSP, 2018)

Analyzing Gaze Behavior and Dialogue Act during Turn-taking for Estimating Empathy Skill Level. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Ryuichiro Higashinaka; Junji Tomita (ICMI, 2018)

Refinement of Utterance Database and Concatenation of Utterances for Enhancing System Utterances in Chat-oriented Dialogue System. - Yuiko Tsunomori; Ryuichiro Higashinaka; Takeshi Yoshimura (LaCATODA@IJCAI, 2018)

Generating Body Motions using Spoken Language in Dialogue. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (IVA, 2018)

Automatic Generation System of Virtual Agent's Motion using Natural Language. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (IVA, 2018)

Improving Taxonomy of Errors in Chat-Oriented Dialogue Systems. - Ryuichiro Higashinaka; Masahiro Araki; Hiroshi Tsukahara; Masahiro Mizukami (IWSDS, 2018)

Predicting Nods by using Dialogue Acts in Dialogue. - Ryo Ishii; Ryuichiro Higashinaka; Junji Tomita (LREC, 2018)

Creating Large-Scale Argumentation Structures for Dialogue Systems. - Kazuki Sakai; Akari Inago; Ryuichiro Higashinaka; Yuichiro Yoshikawa; Hiroshi Ishiguro; Junji Tomita (LREC, 2018)

Automatic Generation of Head Nods using Utterance Texts. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (RO-MAN, 2018)

Role play-based question-answering by real users for building chatbots with consistent personalities. - Ryuichiro Higashinaka; Masahiro Mizukami; Hidetoshi Kawabata; Emi Yamaguchi; Noritake Adachi; Junji Tomita (SIGDIAL Conference, 2018)

Neural Dialogue Context Online End-of-Turn Detection. - Ryo Masumura; Tomohiro Tanaka; Atsushi Ando; Ryo Ishii; Ryuichiro Higashinaka; Yushi Aono (SIGDIAL Conference, 2018)

Introduction method for argumentative dialogue using paired question-answering interchange about personality. - Kazuki Sakai; Ryuichiro Higashinaka; Yuichiro Yoshikawa; Hiroshi Ishiguro; Junji Tomita (SIGDIAL Conference, 2018)

Improving Speech-Based End-of-Turn Detection Via Cross-Modal Representation Learning with Punctuated Text Data. - Ryo Masumura; Mana Ihori; Tomohiro Tanaka; Atsushi Ando; Ryo Ishii; Takanobu Oba; Ryuichiro Higashinaka (ASRU, 2019)

Estimating Interpersonal Reactivity Scores Using Gaze Behavior and Dialogue Act During Turn-Changing. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Ryuichiro Higashinaka; Junji Tomita (HCI (14), 2019)

Determining Iconic Gesture Forms based on Entity Image Representation. - Fumio Nihei; Yukiko I. Nakano; Ryuichiro Higashinaka; Ryo Ishii (ICMI, 2019)

Overview of the Dialogue Breakdown Detection Challenge 4. - Ryuichiro Higashinaka; Luis F. D'Haro; Bayan Abu Shawar; Rafael E. Banchs; Kotaro Funakoshi; Michimasa Inaba; Yuiko Tsunomori; Tetsuro Takahashi; João Sedoc (IWSDS, 2019)

Dialogue System Live Competition: Identifying Problems with Dialogue Systems Through Live Event. - Ryuichiro Higashinaka; Kotaro Funakoshi; Michimasa Inaba; Yuiko Tsunomori; Tetsuro Takahashi; Reina Akama (IWSDS, 2019)

Automatic Head-Nod Generation Using Utterance Text Considering Personality Traits. - Ryo Ishii; Taichi Katayama; Ryuichiro Higashinaka; Junji Tomita (IWSDS, 2019)

Generating Supportive Utterances for Open-Domain Argumentative Dialogue Systems. - Koh Mitsuda; Ryuichiro Higashinaka; Taichi Katayama; Junji Tomita (IWSDS, 2019)

Analyzing How a Talk Show Host Performs Follow-Up Questions for Developing an Interview Agent. - Hiromi Narimatsu; Ryuichiro Higashinaka; Hiroaki Sugiyama; Masahiro Mizukami; Tsunehiro Arimoto (IWSDS, 2019)

Chat-Oriented Dialogue System That Uses User Information Acquired Through Dialogue and Its Long-Term Evaluation. - Yuiko Tsunomori; Ryuichiro Higashinaka; Takeshi Yoshimura; Yoshinori Isoda (IWSDS, 2019)

Overview of the sixth dialog system technology challenge: DSTC6. - Chiori Hori; Julien Perez; Ryuichiro Higashinaka; Takaaki Hori; Y-Lan Boureau; Michimasa Inaba; Yuiko Tsunomori; Tetsuro Takahashi; Koichiro Yoshino; Seokhwan Kim (Comput. Speech Lang., 2019)

Prediction of Who Will Be Next Speaker and When Using Mouth-Opening Pattern in Multi-Party Conversation. - Ryo Ishii; Kazuhiro Otsuka; Shiro Kumano; Ryuichiro Higashinaka; Junji Tomita (Multimodal Technol. Interact., 2019)

Methods of Efficiently Constructing Text-Dialogue-Agent System Using Existing Anime Character. - Ryo Ishii; Ryuichiro Higashinaka; Koh Mitsuda; Taichi Katayama; Masahiro Mizukami; Junji Tomita; Hidetoshi Kawabata; Emi Yamaguchi; Noritake Adachi; Yushi Aono (HCI (45), 2020)

Generating Responses that Reflect Meta Information in User-Generated Question Answer Pairs. - Takashi Kodama; Ryuichiro Higashinaka; Koh Mitsuda; Ryo Masumura; Yushi Aono; Ryuta Nakamura; Noritake Adachi; Hidetoshi Kawabata (LREC, 2020)

Collection and Analysis of Dialogues Provided by Two Speakers Acting as One. - Tsunehiro Arimoto; Ryuichiro Higashinaka; Kou Tanaka; Takahito Kawanishi; Hiroaki Sugiyama; Hiroshi Sawada; Hiroshi Ishiguro (SIGdial, 2020)

Hierarchical Argumentation Structure for Persuasive Argumentative Dialogue Generation. - Kazuki Sakai; Ryuichiro Higashinaka; Yuichiro Yoshikawa; Hiroshi Ishiguro; Junji Tomita (IEICE Trans. Inf. Syst., 2020)

Estimation of Empathy Skill Level and Personal Traits Using Gaze Behavior and Dialogue Act During Turn-Changing. - Ryo Ishii; Shiro Kumano; Ryuichiro Higashinaka; Shiro Ozawa; Tetsuya Kinebuchi (HCI (41), 2021)

Dialogue Situation Recognition for Everyday Conversation Using Multimodal Information. - Yuya Chiba; Ryuichiro Higashinaka (Interspeech, 2021)

Learning to Ask Specific Questions Naturally in Chat-Oriented Dialogue Systems. - Sota Horiuchi; Ryuichiro Higashinaka (IWSDS, 2021)

Fine-Tuning a Pre-trained Transformer-Based Encoder-Decoder Model with User-Generated Question-Answer Pairs to Realize Character-Like Chatbots. - Koh Mitsuda; Ryuichiro Higashinaka; Hiroaki Sugiyama; Masahiro Mizukami; Tetsuya Kinebuchi; Ryuta Nakamura; Noritake Adachi; Hidetoshi Kawabata (IWSDS, 2021)

Data Collection for Detecting Unwillingness to Answer Questions in Dialogue. - Kazumi Nagao; Ryuichiro Higashinaka; Kazuto Ataka (IWSDS, 2021)

Variation across Everyday Conversations: Factor Analysis of Conversations using Semantic Categories of Functional Expressions. - Yuya Chiba; Ryuichiro Higashinaka (PACLIC, 2021)

Integrated taxonomy of errors in chat-oriented dialogue systems. - Ryuichiro Higashinaka; Masahiro Araki; Hiroshi Tsukahara; Masahiro Mizukami (SIGDIAL, 2021)

Using Presentation Slides and Adjacent Utterances for Post-editing of Speech Recognition Results for Meeting Recordings. - Kentaro Kamiya; Takuya Kawase; Ryuichiro Higashinaka; Katashi Nagao (TDS, 2021)

Methods for Efficiently Constructing Text-dialogue-agent System using Existing Anime Characters. - Ryo Ishii; Ryuichiro Higashinaka; Koh Mitsuda; Taichi Katayama; Masahiro Mizukami; Junji Tomita; Hidetoshi Kawabata; Emi Yamaguchi; Noritake Adachi; Yushi Aono (J. Inf. Process., 2021)

Investigating person-specific errors in chat-oriented dialogue systems. - Koh Mitsuda; Ryuichiro Higashinaka; Tingxuan Li; Sen Yoshida (ACL (2), 2022)

Adaptive Natural Language Generation for Task-oriented Dialogue via Reinforcement Learning. - Atsumoto Ohashi; Ryuichiro Higashinaka (COLING, 2022)

Dialogue Robot Competition for the Development of an Android Robot with Hospitality. - Ryuichiro Higashinaka; Takashi Minato; Kurima Sakai; Tomo Funayama; Hiromitsu Nishizaki; Takayuki Nagai (GCCE, 2022)

Combining Argumentation Structure and Language Model for Generating Natural Argumentative Dialogue. - Koh Mitsuda; Ryuichiro Higashinaka; Kuniko Saito (AACL/IJCNLP (2), 2022)

Optimal Summaries for Enabling a Smooth Handover in Chat-Oriented Dialogue. - Sanae Yamashita; Ryuichiro Higashinaka (AACL/IJCNLP 2022 (Student Research Workshop), 2022)

Dialogue Corpus Construction Considering Modality and Social Relationships in Building Common Ground. - Yuki Furuya; Koki Saito; Kosuke Ogura; Koh Mitsuda; Ryuichiro Higashinaka; Kazunori Takashio (LREC, 2022)

Analysis of Dialogue in Human-Human Collaboration in Minecraft. - Takuma Ichikawa; Ryuichiro Higashinaka (LREC, 2022)

Collection and Analysis of Travel Agency Task Dialogues with Age-Diverse Speakers. - Michimasa Inaba; Yuya Chiba; Ryuichiro Higashinaka; Kazunori Komatani; Yusuke Miyao; Takayuki Nagai (LREC, 2022)

Dialogue Collection for Recording the Process of Building Common Ground in a Collaborative Task. - Koh Mitsuda; Ryuichiro Higashinaka; Yuhei Oga; Sen Yoshida (LREC, 2022)

A Speculative and Tentative Common Ground Handling for Efficient Composition of Uncertain Dialogue. - Saki Sudo; Kyoshiro Asano; Koh Mitsuda; Ryuichiro Higashinaka; Yugo Takeuchi (LREC, 2022)

Data Collection for Empirically Determining the Necessary Information for Smooth Handover in Dialogue. - Sanae Yamashita; Ryuichiro Higashinaka (LREC, 2022)

Post-processing Networks: Method for Optimizing Pipeline Task-oriented Dialogue Systems using Reinforcement Learning. - Atsumoto Ohashi; Ryuichiro Higashinaka (SIGDIAL, 2022)

Team Flow at DRC2022: Pipeline System for Travel Destination Recommendation Task in Spoken Dialogue. - Ryu Hirai; Atsumoto Ohashi; Ao Guo; Hideki Shiroma; Xulin Zhou; Yukihiko Tone; Shinya Iizuka; Ryuichiro Higashinaka (CoRR, 2022)

Proceedings of the Dialogue Robot Competition 2022. - Ryuichiro Higashinaka; Takashi Minato; Hiromitsu Nishizaki; Takayuki Nagai (CoRR, 2022)

Overview of Dialogue Robot Competition 2022. - Takashi Minato; Ryuichiro Higashinaka; Kurima Sakai; Tomo Funayama; Hiromitsu Nishizaki; Takayuki Nagai (CoRR, 2022)

Enhancing Task-oriented Dialogue Systems with Generative Post-processing Networks. - Atsumoto Ohashi; Ryuichiro Higashinaka (EMNLP, 2023)

Investigating the Intervention in Parallel Conversations. - Shota Mochizuki; Sanae Yamashita; Kazuyoshi Kawasaki; Reiko Yuasa; Tomonori Kubota; Kohei Ogawa; Jun Baba; Ryuichiro Higashinaka (HAI, 2023)

Investigating the Effects of Dialogue Summarization on Intervention in Human-System Collaborative Dialogue. - Sanae Yamashita; Shota Mochizuki; Kazuyoshi Kawasaki; Tomonori Kubota; Kohei Ogawa; Jun Baba; Ryuichiro Higashinaka (HAI, 2023)

Reference Classification Using BERT Models to Support Scientific-Document Writing. - Ryoma Hosokawa; Junji Yamato; Ryuichiro Higashinaka; Gen-ichiro Kikui; Hiroaki Sugiyama (JSAI-isAI Workshops, 2023)

RealPersonaChat: A Realistic Persona Chat Corpus with Interlocutors' Own Personalities. - Sanae Yamashita; Koji Inoue; Ao Guo; Shota Mochizuki; Tatsuya Kawahara; Ryuichiro Higashinaka (PACLIC, 2023)

Personality-aware Natural Language Generation for Task-oriented Dialogue using Reinforcement Learning. - Ao Guo; Atsumoto Ohashi; Yuya Chiba; Yuiko Tsunomori; Ryu Hirai; Ryuichiro Higashinaka (RO-MAN, 2023)

Applying Item Response Theory to Task-oriented Dialogue Systems for Accurately Determining User's Task Success Ability. - Ryu Hirai; Ao Guo; Ryuichiro Higashinaka (SIGDIAL, 2023)

Dialogue Situation Recognition in Everyday Conversation From Audio, Visual, and Linguistic Information. - Yuya Chiba; Ryuichiro Higashinaka (IEEE Access, 2023)

Cognitive Architecture Toward Common Ground Sharing Among Humans and Generative AIs: Trial on Model-Model Interactions in Tangram Naming Task. - Junya Morita; Tatsuya Yui; Takeru Amaya; Ryuichiro Higashinaka; Yugo Takeuchi (CoRR, 2023)

Team Flow at DRC2023: Building Common Ground and Text-based Turn-taking in a Travel Agent Spoken Dialogue System. - Ryu Hirai; Shinya Iizuka; Haruhisa Iseno; Ao Guo; Jingjing Jiang; Atsumoto Ohashi; Ryuichiro Higashinaka (CoRR, 2023)

Proceedings of the Dialogue Robot Competition 2023. - Ryuichiro Higashinaka; Takashi Minato; Hiromitsu Nishizaki; Takayuki Nagai (CoRR, 2023)

Analyzing Variations of Everyday Japanese Conversations Based on Semantic Labels of Functional Expressions. - Yuya Chiba; Ryuichiro Higashinaka (ACM Trans. Asian Low Resour. Lang. Inf. Process., 2023)

Design of a competition specifically for spoken dialogue with a humanoid robot. - Takashi Minato; Ryuichiro Higashinaka; Kurima Sakai; Tomo Funayama; Hiromitsu Nishizaki; Takayuki Nagai (Adv. Robotics, 2023)

Special Issue on Multimodal processing and robotics for dialogue systems (Part 1). - David Traum; Gabriel Skantze; Hiromitsu Nishizaki; Ryuichiro Higashinaka; Takashi Minato; Takayuki Nagai (Adv. Robotics, 2023)

Investigating the Language Independence of Voice Activity Projection Models through Standardization of Speech Segmentation Labels. - Yuki Sato; Yuya Chiba; Ryuichiro Higashinaka (APSIPA, 2024)

JMultiWOZ: A Large-Scale Japanese Multi-Domain Task-Oriented Dialogue Dataset. - Atsumoto Ohashi; Ryu Hirai; Shinya Iizuka; Ryuichiro Higashinaka (LREC/COLING, 2024)

I Remember You!: SUI Corpus for Remembering and Utilizing Users' Information in Chat-oriented Dialogue Systems. - Yuiko Tsunomori; Ryuichiro Higashinaka (LREC/COLING, 2024)

Collecting and Analyzing Dialogues in a Tagline Co-Writing Task. - Xulin Zhou; Takuma Ichikawa; Ryuichiro Higashinaka (LREC/COLING, 2024)

Effects of Multiple Japanese Datasets for Training Voice Activity Projection Models. - Yuki Sato; Yuya Chiba; Ryuichiro Higashinaka (O-COCOSDA, 2024)

Learning Anomaly Detection Models for Human-Robot Interaction. - Shota Mochizuki; Sanae Yamashita; Reiko Yuasa; Tomonori Kubota; Kohei Ogawa; Ryuichiro Higashinaka (RO-MAN, 2024)

Estimating the Emotional Valence of Interlocutors Using Heterogeneous Sensors in Human-Human Dialogue. - Jingjing Jiang; Ao Guo; Ryuichiro Higashinaka (SIGDIAL, 2024)

Overview of Dialogue Robot Competition 2023. - Takashi Minato; Ryuichiro Higashinaka; Kurima Sakai; Tomo Funayama; Hiromitsu Nishizaki; Takayuki Nagai (CoRR, 2024)

Selecting Iconic Gesture Forms Based on Typical Entity Images. - Yukiko I. Nakano; Fumio Nihei; Ryo Ishii; Ryuichiro Higashinaka (J. Inf. Process., 2024)

Special issue on multimodal processing and robotics for dialogue systems (Part II). - David Traum; Gabriel Skantze; Hiromitsu Nishizaki; Ryuichiro Higashinaka; Takashi Minato; Takayuki Nagai (Adv. Robotics, 2024)

Effects of Demonstrating Consensus Between Robots to Change User's Opinion. - Kazuki Sakai; Koh Mitsuda; Yuichiro Yoshikawa; Ryuichiro Higashinaka; Takashi Minato; Hiroshi Ishiguro (Int. J. Soc. Robotics, 2024)

Travel Agency Task Dialogue Corpus: A Multimodal Dataset with Age-Diverse Speakers. - Michimasa Inaba; Yuya Chiba; Zhiyang Qi; Ryuichiro Higashinaka; Kazunori Komatani; Yusuke Miyao; Takayuki Nagai (ACM Trans. Asian Low Resour. Lang. Inf. Process., 2024)

Universal Post-Processing Networks for Joint Optimization of Modules in Task-Oriented Dialogue Systems. - Atsumoto Ohashi; Ryuichiro Higashinaka (AAAI, 2025)

Investigating the Impact of Incremental Processing and Voice Activity Projection on Spoken Dialogue Systems. - Yuya Chiba; Ryuichiro Higashinaka (COLING, 2025)

Optimizing pipeline task-oriented dialogue systems using post-processing networks. - Atsumoto Ohashi; Ryuichiro Higashinaka (Comput. Speech Lang., 2025)

Adapting language generation to dialogue environments and users for task-oriented dialogue systems. - Atsumoto Ohashi; Ryuichiro Higashinaka (Nat. Lang. Process. J., 2025)

Towards a Japanese Full-duplex Spoken Dialogue System. - Atsumoto Ohashi; Shinya Iizuka; Jingjing Jiang; Ryuichiro Higashinaka (CoRR, 2025)