• M.Ablimit, T.Kawahara, and A.Hamdulla.
    Discriminative approach to lexical entry selection for automatic speech recognition of agglutinative language.
    In Proc. IEEE-ICASSP, pp.5009--5012, 2012. (PDF file)

  • M.Ablimit, A.Hamdulla, and T.Kawahara.
    Morpheme concatenation approach in language modeling for large-vocabulary Uyghur speech recognition.
    In Proc. Oriental-COCOSDA Workshop, 2011. (PDF file)

  • R.Gomez and T.Kawahara.
    Optimized wavelet-based speech enhancement for speech recognition in noisy and reverberant conditions.
    In Proc. APSIPA ASC, 2011. (PDF file)

  • M.Mimura and T.Kawahara.
    Fast speaker normalization and adaptation based on BIC for meeting speech recognition.
    In Proc. APSIPA ASC, 2011. (PDF file)

  • M.Ablimit, T.Kawahara, and A.Hamdulla.
    Lexicon optimization for automatic speech recognition based on discriminative learning.
    In Proc. APSIPA ASC, 2011. (PDF file)

  • H.Wang, T.Kawahara, and Y.Wang.
    Improving non-native speech recognition performance by discriminative training for language model in a CALL system.
    In Proc. APSIPA ASC, 2011. (PDF file)

  • T.Hirayama, Y.Sumi, T.Kawahara, and T.Matsuyama.
    Info-concierge: Proactive multi-modal interaction through mind probing.
    In Proc. APSIPA ASC, 2011. (PDF file)

  • C.Lee, T.Kawahara, and A.Rudnicky.
    Combining slot-based vector space model for voice book search.
    In Proc. Int'l Workshop Spoken Dialogue Systems (IWSDS), pp. 27--35, 2011. (PDF file)

  • Y.Akita and T.Kawahara.
    Automatic comma insertion of lecture transcripts based on multiple annotations.
    In Proc. INTERSPEECH, pp.2889--2892, 2011. (PDF file)

  • R.Gomez and T.Kawahara.
    Denoising using optimized wavelet filtering for automatic speech recognition.
    In Proc. INTERSPEECH, pp.1673--1676, 2011. (PDF file)

  • G.Neubig, T.Watanabe, E.Sumita, S.Mori, and T.Kawahara.
    An unsupervised model for joint phrase alignment and extraction.
    In Proc. ACL-HLT, pp.632--641, 2011. (PDF file)

  • K.Yoshino, S.Mori, and T.Kawahara.
    Spoken dialogue system based on information extraction using similarity of predicate argument structures.
    In Proc. SIGdial Meeting Discourse \& Dialogue, pp.59--66, 2011. (PDF file)

  • T.Kawahara, H.Wang, Y.Tsubota, and M.Dantsuji.
    English and Japanese CALL systems developed at Kyoto University.
    In Proc. APSIPA ASC, pp.804--810, 2010. (PDF file)

  • R.Gomez and T.Kawahara.
    Optimizing wavelet parameters for dereverberation in automatic speech recognition.
    In Proc. APSIPA ASC, pp.446--449, 2010. (PDF file)

  • T.Kawahara.
    Automatic transcription of parliamentary meetings and classroom lectures -- a sustainable approach and real system evaluations --.
    In Proc. Int'l Sympo. Chinese Spoken Language Processing (ISCSLP), pp.1--6 (keynote speech), 2010. (PDF file) (text)

  • M.Ablimit, G.Neubig, M.Mimura, S.Mori, T.Kawahara, and A.Hamdulla.
    Uyghur morpheme-based language models and ASR.
    In Proc. Int'l Conf. Signal Processing, pp.581--584, 2010. (PDF file)

  • K.Yoshino and T.Kawahara.
    Spoken dialogue system based on information extraction from web text.
    In Proc. Int'l Workshop Spoken Dialogue Systems (IWSDS) (LNAI 6392), Vol.Demo. Paper, pp.196--197, 2010. (PDF file)

  • T.Kawahara, K.Sumi, Z.Q.Chang, and K.Takanashi.
    Detection of hot spots in poster conversations based on reactive tokens of audience.
    In Proc. INTERSPEECH, pp.3042--3045, 2010. (PDF file)

  • G.Neubig, M.Mimura, S.Mori, and T.Kawahara.
    Learning a language model from continuous speech.
    In Proc. INTERSPEECH, pp.1053--1056, 2010. (PDF file)

  • Y.Itoh, H.Nishizaki, X.Hu, H.Nanjo, T.Akiba, T.Kawahara, S.Nakagawa, T.Matsui, Y.Yamashita, and K.Aikawa.
    Constructing Japanese test collections for spoken term detection.
    In Proc. INTERSPEECH, pp.677--680, 2010. (PDF file)

  • T.Kawahara, N.Katsumaru, Y.Akita, and S.Mori.
    Classroom note-taking system for hearing impaired students using automatic speech recognition adapted to lectures.
    In Proc. INTERSPEECH, pp.626--629, 2010. (PDF file)

  • R.Gomez and T.Kawahara.
    An improved wavelet-based dereverberation for robust automatic speech recognition.
    In Proc. INTERSPEECH, pp.578--581, 2010. (PDF file)

  • Y.Akita, M.Mimura, G.Neubig, and T.Kawahara.
    Semi-automated update of automatic transcription system for the Japanese national congress.
    In Proc. INTERSPEECH, pp.338--341, 2010. (PDF file)

  • T.Kawahara, Z.Q.Chang, and K.Takanashi.
    Analysis on prosodic features of Japanese reactive tokens in poster conversations.
    In Proc. Int'l Conf. Speech Prosody, 2010. (PDF file)

  • G.Neubig, Y.Akita, S.Mori, and T.Kawahara.
    Improved statistical models for SMT-based speaking style transformation.
    In Proc. IEEE-ICASSP, pp.5206--5209, 2010. (PDF file)

  • R.Gomez and T.Kawahara.
    Optimizing spectral subtraction and Wiener filtering for robust speech recognition in reverberant and noisy conditions.
    In Proc. IEEE-ICASSP, pp.4566--4569, 2010. (PDF file)

  • D.Cournapeau, S.Watanabe, A.Nakamura, and T.Kawahara.
    Using online model comparison in the Variational Bayes framework for online unsupervised voice activity detection.
    In Proc. IEEE-ICASSP, pp.4462--4465, 2010. (PDF file)

  • T.Kawahara.
    New perspectives on spoken language understanding: Does machine need to fully understand speech?
    In Proc. IEEE Workshop Automatic Speech Recognition \& Understanding (ASRU), pp.46--50 (invited paper), 2009. (PDF file)

  • T.Misu, K.Sugiura, T.Kawahara, K.Ohtake, C.Hori, H.Kashioka, and S.Nakamura.
    Online learning of Bayes risk-based optimization of dialogue management.
    In Proc. Int'l Workshop Spoken Dialogue Systems (IWSDS), 2009. (PDF file)

  • R.Gomez and T.Kawahara.
    Tight integration of dereverberation and automatic speech recognition.
    In Proc. APSIPA ASC, pp.639--643, 2009. (PDF file)

  • T.Akiba, K.Aikawa, Y.Itoh, T.Kawahara, H.Nanjo, H.Nishizaki, N.Yasuda, Y.Yamashita, and K.Itou.
    Developing an SDR test collection from Japanese lecture audio data.
    In Proc. APSIPA ASC, pp.324--330, 2009. (PDF file)

  • K.Katsurada, A.Lee, T.Kawahara, T.Yotsukura, S.Morishima, T.Nishimoto, Y.Yamashita, and T.Nitta.
    Development of a toolkit for spoken dialog systems with an anthropomorphic agent: Galatea.
    In Proc. APSIPA ASC, pp.148--153, 2009. (PDF file)

  • A.Lee and T.Kawahara.
    Recent development of open-source speech recognition engine Julius.
    In Proc. APSIPA ASC, pp.131--137, 2009. (PDF file)

  • G.Neubig, S.Mori, and T.Kawahara.
    A WFST-based log-linear framework for speaking-style transformation.
    In Proc. INTERSPEECH, pp.1495--1498, 2009. (PDF file)

  • R.Gomez and T.Kawahara.
    Optimization of dereverberation parameters based on likelihood of speech recognizer.
    In Proc. INTERSPEECH, pp.1223--1226, 2009. (PDF file)

  • K.Sumi, T.Kawahara, J.Ogata, and M.Goto.
    Acoustic event detection for spotting hot spots in podcasts.
    In Proc. INTERSPEECH, pp.1143--1146, 2009. (PDF file)

  • Y.Akita, M.Mimura, and T.Kawahara.
    Automatic transcription system for meetings of the Japanese national congress.
    In Proc. INTERSPEECH, pp.84--87, 2009. (PDF file)

  • K.Komatani, T.Kawahara, and H.G.Okuno.
    A model of temporally changing user behaviors in a deployed spoken dialogue system.
    In Proc. Int'l Conf. User Modeling, Adaptation, and Personalization (UMAP) (LNCS 5535), pp.409--414, 2009. (PDF file)

  • T.Kawahara, M.Mimura, and Y.Akita.
    Language model transformation applied to lightly supervised training of acoustic model for congress meetings.
    In Proc. IEEE-ICASSP, pp.3853--3856, 2009. (PDF file)

  • M.Ablimit, M.Eli, and T.Kawahara.
    Partly supervised Uighur morpheme segmentation.
    In Proc. Oriental-COCOSDA Workshop, pp.71--76, 2008. (PDF file)

  • T.Shinozaki, S.Furui, and T.Kawahara.
    Aggregated cross-validation and its efficient application to Gaussian mixture optimization.
    In Proc. INTERSPEECH, pp.2382--2385, 2008. (PDF file)

  • T.Sasada, S.Mori, and T.Kawahara.
    Extracting word-pronunciation pairs from comparable set of text and speech.
    In Proc. INTERSPEECH, pp.1821--1824, 2008. (PDF file)

  • H.Wang and T.Kawahara.
    A Japanese CALL system based on dynamic question generation and error prediction for ASR.
    In Proc. INTERSPEECH, pp.1737--1740, 2008. (PDF file)

  • T.Kawahara, M.Toyokura, T.Misu, and C.Hori.
    Detection of feeling through back-channels in spoken dialogue.
    In Proc. INTERSPEECH, p. 1696, 2008. (PDF file)

  • T.Kawahara, H.Setoguchi, K.Takanashi, K.Ishizuka, and S.Araki.
    Multi-modal recording, analysis and indexing of poster sessions.
    In Proc. INTERSPEECH, pp.1622--1625, 2008. (PDF file)

  • K.Komatani, T.Kawahara, and H.G.Okuno.
    Predicting ASR errors by exploiting barge-in rate of individual users for spoken dialogue systems.
    In Proc. INTERSPEECH, pp.183--186, 2008. (PDF file)

  • K.Ishizuka, S.Araki, and T.Kawahara.
    Statistical speech activity detection based on spatial power distribution for analyses of poster presentations.
    In Proc. INTERSPEECH, pp.99--102, 2008. (PDF file)

  • T.Misu and T.Kawahara.
    Bayes risk-based dialogue management for document retrieval system with speech interface.
    In Proc. COLING, Vol.Posters \& Demo., pp.59--62, 2008. (PDF file)

  • H.Wang and T.Kawahara.
    Effective error prediction using decision tree for ASR grammar network in CALL system.
    In Proc. IEEE-ICASSP, pp.5069--5072, 2008. (PDF file)

  • T.Kawahara, Y.Nemoto, and Y.Akita.
    Automatic lecture transcription by exploiting presentation slide information for language model adaptation.
    In Proc. IEEE-ICASSP, pp.4929--4932, 2008. (PDF file)

  • S.Sakai, T.Kawahara, and S.Nakamura.
    Admissible stopping in Viterbi beam search for unit selection in concatenative speech synthesis.
    In Proc. IEEE-ICASSP, pp.4613--4616, 2008. (PDF file)

  • D.Cournapeau and T.Kawahara.
    Using Variational Bayes Free Energy for unsupervised voice activity detection.
    In Proc. IEEE-ICASSP, pp.4429--4432, 2008. (PDF file)

  • T.Shinozaki and T.Kawahara.
    GMM and HMM training by aggregated EM algorithm with increased ensemble sizes for robust parameter estimation.
    In Proc. IEEE-ICASSP, pp.4405--4408, 2008. (PDF file)

  • T.Shinozaki and T.Kawahara.
    HMM training based on CV-EM and CV Gaussian mixture optimization.
    In Proc. IEEE Workshop Automatic Speech Recognition \& Understanding (ASRU), pp.318--322, 2007. (PDF file)

  • H.Setoguchi, K.Takanashi, and T.Kawahara.
    Multi-modal conversational analysis of poster presentations using multiple sensors.
    In Proc. ACM ICMI-2007 Workshop on Tagging, Mining and Retrieval of Human Related Activity Information, pp.44--47, 2007. (PDF file)

  • D.Cournapeau and T.Kawahara.
    Evaluation of real-time voice activity detection based on high order statistics.
    In Proc. INTERSPEECH, pp.2945--2948, 2007. (PDF file)

  • T.Misu and T.Kawahara.
    Bayes risk-based optimization of dialogue management for document retrieval system with speech interface.
    In Proc. INTERSPEECH, pp.2705--2708, 2007. (PDF file)

  • C.Waple, H.Wang, T.Kawahara Y.Tsubota, and M.Dantsuji.
    Evaluating and optimizing Japanese tutor system featuring dynamic question generation and interactive guidance.
    In Proc. INTERSPEECH, pp.2177--2180, 2007. (PDF file)

  • T.Shinozaki and T.Kawahara.
    Gaussian mixture optimization for HMM based on efficient cross-validation.
    In Proc. INTERSPEECH, pp.2061--2064, 2007. (PDF file)

  • Y.Akita, Y.Nemoto, and T.Kawahara.
    PLSA-based topic detection in meetings for adaptation of lexicon and language model.
    In Proc. INTERSPEECH, pp.602--605, 2007. (PDF file)

  • K.Komatani, T.Kawahara, and H.G.Okuno.
    Analyzing temporal transition of real user's behaviors in a spoken dialogue system.
    In Proc. INTERSPEECH, pp.142--145, 2007. (PDF file)

  • T.Misu and T.Kawahara.
    An interactive framework for document retrieval and presentation with question-answering function in restricted domain.
    In Proc. Int'l Conf. Industrial, Engineering \& Other Applications of Artificial Intelligent Systems (IEA/AIE) (LNAI 4570), pp. 126--134, 2007. (PDF file)

  • T.Misu and T.Kawahara.
    Speech-based interactive information guidance system using question-answering technique.
    In Proc. IEEE-ICASSP, Vol.4, pp.145--148, 2007. (PDF file)

  • T.Kawahara, M.Saikou, and K.Takanashi.
    Automatic detection of sentence and clause units using local syntactic dependency.
    In Proc. IEEE-ICASSP, Vol.4, pp.125--128, 2007. (PDF file)

  • Y.Akita and T.Kawahara.
    Topic-independent speaking-style transformation of language model for spontaneous speech recognition.
    In Proc. IEEE-ICASSP, Vol.4, pp.33--36, 2007. (PDF file)

  • T.Kawahara.
    Intelligent transcription system based on spontaneous speech processing.
    In Proc. Int'l Conference on Informatics Research for Development of Knowledge Society Infrastructure, pp.19--26, 2007. (PDF file)

  • Y.Kida and T.Kawahara.
    Evaluation of voice activity detection by combining multiple features with weight adaptation.
    In Proc. INTERSPEECH, pp.1966--1969, 2006. (PDF file)

  • S.Sakai and T.Kawahara.
    Decision tree-based training of probabilistic concatenation models for corpus-based speech synthesis.
    In Proc. INTERSPEECH, pp.1746--1749, 2006. (PDF file)

  • D.Cournapeau, T.Kawahara, K.Mase, and T.Toriyama.
    Voice activity detector based on enhanced cumulant of LPC residual and on-line EM algorithm.
    In Proc. INTERSPEECH, pp.1201--1204, 2006. (PDF file)

  • Y.Akita, M.Saikou, H.Nanjo, and T.Kawahara.
    Sentence boundary detection of spontaneous Japanese using statistical language model and support vector machines.
    In Proc. INTERSPEECH, pp.1033--1036, 2006. (PDF file)

  • C.Waple, Y.Tsubota, M.Dantsuji, and T.Kawahara.
    Prototyping a CALL system for students of Japanese using dynamic diagram generation and interactive hints.
    In Proc. INTERSPEECH, pp.821--824, 2006. (PDF file)

  • R.Hamabe, K.Uchimoto, T.Kawahara, and H.Isahara.
    Detection of quotations and inserted clauses and its application to dependency structure analysis in spontaneous Japanese.
    In Proc. INTERSPEECH, pp.729--732, 2006. (PDF file)

  • T.Misu and T.Kawahara.
    A bootstrapping approach for developing language model of new spoken dialogue systems by selecting web texts.
    In Proc. INTERSPEECH, pp.9--12, 2006. (PDF file)

  • R.Hamabe, K.Uchimoto, T.Kawahara, and H.Isahara.
    Detection of quotations and inserted clauses and its application to dependency structure analysis in spontaneous Japanese.
    In Proc. COLING-ACL, Vol.Poster Sessions, pp.324--330, 2006. (PDF file)

  • Y.Akita, C.Troncoso, and T.Kawahara.
    Automatic transcription of meetings using topic-oriented language model adaptation.
    In Proc. Western Pacific Acoustics Conference (WESPAC), 2006. (PDF file)

  • H.Nanjo, Y.Akita, and T.Kawahara.
    Computer assisted speech transcription system for efficient speech archive.
    In Proc. Western Pacific Acoustics Conference (WESPAC), 2006. (PDF file)

  • Y.Akita and T.Kawahara.
    Efficient estimation of language model statistics of spontaneous speech via statistical transformation model.
    In Proc. IEEE-ICASSP, Vol.1, pp.1049--1052, 2006. (PDF file)

  • T.Misu and T.Kawahara.
    Speech-based information retrieval system with clarification dialogue strategy.
    In Proc. Human Language Technology Conf. (HLT/EMNLP), pp. 1003--1010, 2005. (PDF file)

  • Y.Kida and T.Kawahara.
    Voice activity detection based on optimally weighted combination of multiple features.
    In Proc. INTERSPEECH, pp.2621--2624, 2005. (PDF file)

  • C.Troncoso and T.Kawahara.
    Trigger-based language model adaptation for automatic meeting transcription.
    In Proc. INTERSPEECH, pp.1297--1300, 2005. (PDF file)

  • T.Misu and T.Kawahara.
    Dialogue strategy to clarify user's queries for document retrieval system with speech interface.
    In Proc. INTERSPEECH, pp.637--640, 2005. (PDF file)

  • H.Nanjo, T.Misu, and T.Kawahara.
    Minimum Bayes-risk decoding considering word significance for information retrieval system.
    In Proc. INTERSPEECH, pp.561--564, 2005. (PDF file)

  • I.R.Lane and T.Kawahara.
    Utterance verification incorporating in-domain confidence and discourse coherence measures.
    In Proc. INTERSPEECH, pp.421--424, 2005. (PDF file)

  • C.Troncoso, T.Kawahara, H.Yamamoto, and G.Kikui.
    Trigger-based language model construction by combining different corpora.
    In Proc. Pacific Assoc. Computational Linguistics (PACLING), pp.340--344, 2005. (PDF file)

  • H.Nanjo and T.Kawahara.
    A new ASR evaluation measure and minimum Bayes-risk decoding for open-domain speech understanding.
    In Proc. IEEE-ICASSP, Vol.1, pp.1053--1056, 2005. (PDF file)

  • I.R.Lane and T.Kawahara.
    Incorporating dialogue context and topic clustering in out-of-domain detection.
    In Proc. IEEE-ICASSP, Vol.1, pp.1045--1048, 2005. (PDF file)

  • Y.Akita and T.Kawahara.
    Generalized statistical modeling of pronunciation variations using variable-length phone context.
    In Proc. IEEE-ICASSP, Vol.1, pp.689--692, 2005. (PDF file)

  • T.Kawahara, A.Lee, K.Takeda, K.Itou, and K.Shikano.
    Recent progress of open-source LVCSR engine Julius and Japanese model repository.
    In Proc. INTERSPEECH, pp.3069--3072, 2004. (PDF file)

  • K.Shitaoka, H.Nanjo, and T.Kawahara.
    Automatic transformation of lecture transcription into document style using statistical framework.
    In Proc. INTERSPEECH, pp.2881--2884, 2004. (PDF file)

  • S.Ueno, I.R.Lane, and T.Kawahara.
    Example-based training of dialogue planning incorporating user and situation models.
    In Proc. INTERSPEECH, pp.2837--2840, 2004. (PDF file)

  • I.R.Lane, T.Kawahara, T.Matsui, and S.Nakamura.
    Topic classification and verification modeling for out-of-domain utterance detection.
    In Proc. INTERSPEECH, pp.2197--2200, 2004. (PDF file)

  • T.Kitade, H.Nanjo, and T.Kawahara.
    Automatic extraction of key sentences from oral presentations using statistical measure based on discourse markers.
    In Proc. INTERSPEECH, pp.2169--2172, 2004. (PDF file)

  • Y.Tsubota, M.Dantsuji, and T.Kawahara.
    Practical use of English pronunciation system for Japanese students in the CALL classroom.
    In Proc. INTERSPEECH, pp.1689--1692, 2004. (PDF file)

  • K.Shitaoka, K.Uchimoto, T.Kawahara, and H.Isahara.
    Dependency structure analysis and sentence boundary detection in spontaneous Japanese.
    In Proc. INTERSPEECH, pp.1353--1356, 2004. (PDF file)

  • Y.Akita and T.Kawahara.
    Language model adaptation based on PLSA of topics and speakers.
    In Proc. INTERSPEECH, pp.1045--1048, 2004. (PDF file)

  • T.Misu, K.Komatani, and T.Kawahara.
    Confirmation strategy for document retrieval systems with spoken dialog interface.
    In Proc. INTERSPEECH, pp.45--48, 2004. (PDF file)

  • K.Komatani, T.Misu, T.Kawahara, and H.G.Okuno.
    Efficient confirmation strategy for large-scale text retrieval systems with spoken dialogue interface.
    In Proc. COLING, pp.1100--1106, 2004. (PDF file)

  • K.Shitaoka, K.Uchimoto, T.Kawahara, and H.Isahara.
    Dependency structure analysis and sentence boundary detection in spontaneous Japanese.
    In Proc. COLING, pp.1107--1113, 2004. (PDF file)

  • Y.Akita, M.Hasegawa, and T.Kawahara.
    Automatic audio archiving system for panel discussions.
    In Proc. IEEE Int'l Conf. Multimedia and Expo (ICME), 2004. (PDF file)

  • Y.Tsubota, M.Dantsuji, and T.Kawahara.
    Practical use of autonomous English pronunciation learning system for Japanese students.
    In Proc. InSTIL/ICALL -- NLP and Speech Technologies in Advanced Language Learning Systems, pp.139--142, 2004. (PDF file)

  • A.Lee, K.Shikano, and T.Kawahara.
    Real-time word confidence scoring using local posterior probabilities on tree trellis search.
    In Proc. IEEE-ICASSP, Vol.1, pp.793--796, 2004. (PDF file)

  • I.R.Lane, T.Kawahara, T.Matsui, and S.Nakamura.
    Out-of-domain detection based on confidence measures from multiple topic classification.
    In Proc. IEEE-ICASSP, Vol.1, pp.757--760, 2004. (PDF file)

  • H.Nanjo, T.Kitade, and T.Kawahara.
    Automatic indexing of key sentences for lecture archives using statistics of presumed discourse markers.
    In Proc. IEEE-ICASSP, Vol.1, pp.449--452, 2004. (PDF file)

  • M.Nishida and T.Kawahara.
    Speaker indexing and adaptation using speaker clustering based on statistical model selection.
    In Proc. IEEE-ICASSP, Vol.1, pp.353--356, 2004. (PDF file)

  • K.Komatani, R.Ito, T.Kawahara, and H.G.Okuno.
    Recognition of emotional states in spoken dialogue with a robot.
    In Proc. Int'l Conf. Industrial \& Engineering Applications of Artificial Intelligence \& Expert Systems (IEA/AIE) (LNAI 3029), pp. 413--423, 2004. (PDF file)

  • T.Kawahara.
    Automatic speech transcription and archiving system using the Corpus of Spontaneous Japanese.
    In Proc. Int'l Congress Acoustics (ICA), pp.161--164 (invited paper), 2004. (PDF file)

  • T.Kawahara.
    Spoken language processing for audio archives of lectures and panel discussions.
    In Proc. Int'l Conference on Informatics Research for Development of Knowledge Society Infrastructure, pp.23--30, 2004. (PDF file)

  • T.Kawahara, T.Kitade, K.Shitaoka, and H.Nanjo.
    Efficient access to lecture audio archives through spoken language processing.
    In Proc. Special Workshop in Maui (SWIM), 2004. (PDF file)

  • T.Kawahara, K.Shitaoka, T.Kitade, and H.Nanjo.
    Automatic indexing of key sentences for lecture archives.
    In Proc. IEEE Workshop Automatic Speech Recognition \& Understanding (ASRU), 2003. (PDF file)

  • Y.Tsubota, M.Dantsuji, and T.Kawahara.
    An English pronunciation learning system for Japanese students based on diagnosis of critical pronunciation errors.
    In Proc. EUROCALL, p. 204, 2003. (PDF file)

  • Y.Akita and T.Kawahara.
    Unsupervised speaker indexing using anchor models and automatic transcription of discussions.
    In Proc. EUROSPEECH, pp.2985--2988, 2003. (PDF file)

  • M.Nishida and T.Kawahara.
    Speaker model selection using Bayesian information criterion for speaker indexing and speaker adaptation.
    In Proc. EUROSPEECH, pp.1849--1852, 2003. (PDF file)

  • T.Kawahara, R.Ito, and K.Komatani.
    Spoken dialogue system for queries on appliance manuals using hierarchical confirmation strategy.
    In Proc. EUROSPEECH, pp.1701--1704, 2003. (PDF file)

  • K.Komatani, S.Ueno, T.Kawahara, and H.G.Okuno.
    User modeling in spoken dialogue systems for flexible guidance generation.
    In Proc. EUROSPEECH, pp.745--748, 2003. (PDFfile)

  • I.R.Lane, T.Matsui, S.Nakamura, and T.Kawahara.
    Hierarchical topic classification for dialog speech recognition based on language model switching.
    In Proc. EUROSPEECH, pp.429--432, 2003. (PDF file)

  • K.Komatani, S.Ueno, T.Kawahara, and H.G.Okuno.
    Flexible guidance generation using user model in spoken dialogue systems.
    In Proc. ACL, pp.256--263, 2003. (PDF file)

  • Y.Kiyota, S.Kurohashi, T.Misu, K.Komatani, T.Kawahara, and F.Kido.
    Dialog navigator: A spoken dialog Q-A system based on large text knowledge base.
    In Proc. ACL, Vol.Interactive Poster \& Demo., pp.149--152, 2003. (PDF file)

  • K.Komatani, F.Adachi, S.Ueno, T.Kawahara, and H.G.Okuno.
    Flexible spoken dialogue system based on user models and dynamic generation of VoiceXML scripts.
    In Proc. SIGdial Workshop Discourse \& Dialogue, pp.87--96, 2003. (PDF file)

  • T.Kawahara, H.Nanjo, T.Shinozaki, and S.Furui.
    Benchmark test for speech recognition using the Corpus of Spontaneous Japanese.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, pp.135--138, 2003. (PDF file)

  • H.Nanjo, K.Shitaoka, and T.Kawahara.
    Automatic transformation of lecture transcription into document style using statistical framework.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, pp.215--218, 2003. (PDF file)

  • Y.Akita, M.Nishida, and T.Kawahara.
    Automatic transcription of discussions using unsupervised speaker indexing.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, pp.79--82, 2003. (PDF file)

  • H.Nanjo and T.Kawahara.
    Unsupervised language model adaptation for lecture speech recognition.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, pp.75--78, 2003. (PDF file)

  • I.R.Lane, T.Kawahara, and T.Matsui.
    Language model switching based on topic detection for dialog speech recognition.
    In Proc. IEEE-ICASSP, Vol.1, pp.616--619, 2003. (PDF file)

  • M.Nishida and T.Kawahara.
    Unsupervised speaker indexing using speaker model selection based on Bayesian information criterion.
    In Proc. IEEE-ICASSP, Vol.1, pp.172--175, 2003. (PDF file)

  • K.Okuda, T.Kawahara, and S.Nakamura.
    Speaking rate compensation based on likelihood criterion in acoustic model training and decoding.
    In Proc. ICSLP, pp.2589--2592, 2002. (PDF file)

  • Y.Tsubota, T.Kawahara, and M.Dantsuji.
    Recognition and verification of English by Japanese students for computer-assisted language learning system.
    In Proc. ICSLP, pp.1205--1208, 2002. (PDF file)

  • K.Imoto, Y.Tsubota, A.Raux, T.Kawahara, and M.Dantsuji.
    Modeling and automatic detection of English sentence stress for computer-assisted English prosody learning system.
    In Proc. ICSLP, pp.749--752, 2002. (PDF file)

  • A.Raux and T.Kawahara.
    Automatic intelligibility assessment and diagnosis of critical pronunciation errors for computer-assisted pronunciation learning.
    In Proc. ICSLP, pp.737--740, 2002. (PDF file)

  • Y.Yamakata, T.Kawahara, and H.G.Okuno.
    Belief network based disambiguation of object reference in spoken dialogue system for robot.
    In Proc. ICSLP, pp.177--180, 2002. (PDF file)

  • K.Komatani, T.Kawahara, R.Ito, and H.G.Okuno.
    Efficient dialogue strategy to find users' intended items from information query results.
    In Proc. COLING, pp.481--487, 2002. (PDF file)

  • Y.Yamakata, T.Kawahara, and H.G.Okuno.
    Belief network based disambiguation of object reference in spoken dialogue system for robot.
    In Proc. ISCA Workshop on Multi-Modal Dialogue in Mobile Environments, 2002. (PDF file)

  • T.Kawahara and M.Hasegawa.
    Automatic indexing of lecture speech by extracting topic-independent discourse markers.
    In Proc. IEEE-ICASSP, pp.1--4, 2002. (PDF file)

  • H.Nanjo and T.Kawahara.
    Speaking-rate dependent decoding and adaptation for spontaneous lecture speech recognition.
    In Proc. IEEE-ICASSP, pp.725--728, 2002. (PDF file)

  • A.Raux and T.Kawahara.
    Optimizing computer-assisted pronunciation instruction by selecting relevant training topics.
    In InSTIL Advanced Workshop, 2002. (PDF file)

  • Y.Tsubota, T.Kawahara, and M.Dantsuji.
    CALL system for Japanese students of English using pronunciation error prediction and formant structure estimation.
    In InSTIL Advanced Workshop, 2002. (PDF file)

  • T.Kawahara, H.Nanjo, and S.Furui.
    Automatic transcription of spontaneous lecture speech.
    In Proc. IEEE Workshop Automatic Speech Recognition \& Understanding (ASRU), 2001. (PDF file)

  • H.Nanjo, K.Kato, and T.Kawahara.
    Speaking rate dependent acoustic modeling for spontaneous lecture speech recognition.
    In Proc. EUROSPEECH, pp.2531--2534, 2001. (PDF file)

  • A.Lee, T.Kawahara, and K.Shikano.
    Julius -- an open source real-time large vocabulary recognition engine.
    In Proc. EUROSPEECH, pp.1691--1694, 2001. (PDF file)

  • K.Komatani, K.Tanaka, H.Kashima, and T.Kawahara.
    Domain-independent spoken dialogue platform using key-phrase spotting based on combined language model.
    In Proc. EUROSPEECH, pp.1319--1322, 2001. (PDF file)

  • A.Lee, T.Kawahara, and K.Shikano.
    Gaussian mixture selection using context-independent HMM.
    In Proc. IEEE-ICASSP, pp.69--72, 2001. (PDF file)

  • T.Kawahara, A.Lee, T.Kobayashi, K.Takeda, N.Minematsu, S.Sagayama, K.Itou, A.Ito, M.Yamamoto, A.Yamada, T.Utsuro, and K.Shikano.
    Free software toolkit for Japanese large vocabulary continuous speech recognition.
    In Proc. ICSLP, Vol.4, pp.476--479, 2000. (PDF file)

  • Y.Tsubota, M.Dantsuji, and T.Kawahara.
    Computer-assisted English vowel learning system for Japanese speakers using cross language formant structures.
    In Proc. ICSLP, Vol.3, pp.566--569, 2000. (PDF file)

  • K.Imoto, M.Dantsuji, and T.Kawahara.
    Modelling of the perception of English sentence stress for computer-assisted language learning.
    In Proc. ICSLP, Vol.3, pp.175--178, 2000. (PDF file)

  • H.Nanjo, A.Lee, and T.Kawahara.
    Automatic diagnosis of recognition errors in large vocabulary continuous speech recognition systems.
    In Proc. ICSLP, Vol.2, pp.1027--1030, 2000. (PDF file)

  • K.Komatani and T.Kawahara.
    Generating effective confirmation and guidance using two-level confidence measures for dialogue systems.
    In Proc. ICSLP, Vol.2, pp.648--651, 2000. (PDF file)

  • K.Kato, H.Nanjo, and T.Kawahara.
    Automatic transcription of lecture speech using topic-independent language modeling.
    In Proc. ICSLP, Vol.1, pp.162--165, 2000. (PDF file)

  • H.Fujisaki, K.Shirai, S.Doshita, S.Nakagawa, K.Hirose, S.Itahashi, T.Kawahara, S.Ohno, H.Kikuchi, K.Abe, and S.Kiriyama.
    Overview of an intelligent system for information retrieval based on human-machine dialogue through spoken language.
    In Proc. ICSLP, Vol.1, pp.70--73, 2000. (PDF file)

  • T.Kawahara, K.Komatani, and S.Doshita.
    Dialogue management using concept-level confidence measures of speech recognition.
    In Proc. Int'l Sympo. on Spoken Dialogue, 2000. (PDF file)

  • K.Komatani and T.Kawahara.
    Flexible mixed-initiative dialogue management using concept-level confidence measures of speech recognizer output.
    In Proc. COLING, pp.467--473, 2000. (PDF file)

  • A.Lee, T.Kawahara, K.Takeda, and K.Shikano.
    A new phonetic tied-mixture model for efficient decoding.
    In Proc. IEEE-ICASSP, pp.1269--1272, 2000. (PDF file)