Tomoyosi Akiba

62 papers A 16B 8Journal 9Unranked 29

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	An Efficient Algorithm for the Detour Hinge Vertex Problem on Trapezoid Graphs. IEICE Trans. Inf. Syst. Tomonari Izumi, Yoko Nakajima, Tomoyosi Akiba, Takashi Yukawa, Hirotoshi Honma
2024	—	`conf`	Analysis on Unsupervised Acquisition Process of Bilingual Vocabulary through Iterative Back-Translation. LREC/COLING Takuma Tanigawa, Tomoyosi Akiba, Hajime Tsukada
2022	—	`conf`	AKBL at the NTCIR-16 QA Lab-PoliInfo-3 Task. NTCIR Ryoto Ohsugi, Teruya Kawai, Yuki Gato, Tomoyosi Akiba, Shigeru Masuyama
2020	—	`conf`	English-Japanese Machine Translation for Lecture Subtitles using Back-Translation and Transfer Learning. GCCE Yuuki Yamagishi, Tomoyosi Akiba, Hajime Tsukada
2020	—	`conf`	Overview of the NTCIR-15 QA Lab-PoliInfo-2 Task. NTCIR Yasutomo Kimura, Hideyuki Shibuki, Hokuto Ototake, Yuzu Uchida, Keiichi Takamaru, Madoka Ishioroshi, Teruko Mitamura, Masaharu Yoshioka, Tomoyosi Akiba, Yasuhiro Ogawa, Minoru Sasaki, Ken-Ichi Yokote, Tatsunori Mori, Kenji Araki, Satoshi Sekine, Noriko Kando
2020	—	`conf`	akbl at the NTCIR-15 QA Lab-PoliInfo-2 Tasks. NTCIR Takanori Nekomoto, Ryoto Ohsugi, Tomoyosi Akiba, Shigeru Masuyama, Daiki Shirato
2019	J	`jnl`	Discriminative Learning of Filterbank Layer within Deep Neural Network Based Speech Recognition for Speaker Adaptation. IEICE Trans. Inf. Syst. Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa
2018	—	`conf`	Rapid Speaker Adaptation of Neural Network Based Filterbank Layer for Automatic Speech Recognition. SLT Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa
2017	A	`conf`	Incorporating Acoustic Features for Spontaneous Speech Driven Content Retrieval. INTERSPEECH Hiroto Tasaki, Tomoyosi Akiba
2016	—	`conf`	Graph-based Document Expansion and Robust SCR Models for False Positives: Experiments at the NTCIR-12 SpokenQuery&Doc-2. NTCIR Sho Kawasaki, Hiroshi Oshima, Tomoyosi Akiba
2016	—	`conf`	Overview of the NTCIR-12 SpokenQuery&Doc-2 Task. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones
2016	—	`conf`	Repeated Event Discovery from Image Sequences by Using Segmental Dynamic Time Warping: Experiment at the NTCIR-12 Lifelog Task. NTCIR Kosuke Yamauchi, Tomoyosi Akiba
2014	—	`conf`	Overview of the NTCIR-11 SpokenQuery&Doc Task. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones
2014	A	`conf`	Robust retrieval models for false positive errors in spoken documents. INTERSPEECH Sho Kawasaki, Tomoyosi Akiba
2014	—	`conf`	STD Score Combination with Acoustic Likelihood and Robust SCR Models for False Positives: Experiments at NTCIR-11 SpokenQuery&Doc. NTCIR Yusuke Takada, Sho Kawasaki, Hiroshi Oshima, Hiroshi Kawatani, Tomoyosi Akiba
2013	—	`conf`	DTW-Distance-Ordered Spoken Term Detection and STD-based Spoken Content Retrieval: Experiments at NTCIR-10 SpokenDoc-2. NTCIR Tomoyosi Akiba, Tomoko Takigami, Teppei Ohno, Kenta Kase
2013	A	`conf`	DTW-distance-ordered spoken term detection. INTERSPEECH Teppei Ohno, Tomoyosi Akiba
2013	J	`jnl`	Evaluation Framework Design of Spoken Term Detection Study at the NTCIR-9 IR for Spoken Documents Task. Inf. Media Technol. Hiromitsu Nishizaki, Tomoyosi Akiba, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui
2013	—	`conf`	Open vocabulary spoken content retrieval by front-ending with spoken term detection. APSIPA Tomoko Takigami, Tomoyosi Akiba
2013	—	`conf`	Overview of the NTCIR-10 SpokenDoc-2 Task. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Xinhui Hu, Yoshiaki Itoh, Tatsuya Kawahara, Seiichi Nakagawa, Hiroaki Nanjo, Yoichi Yamashita
2012	B	`conf`	Designing an Evaluation Framework for Spoken Term Detection and Spoken Document Retrieval at the NTCIR-9 SpokenDoc Task. LREC Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui
2012	—	`conf`	Incorporating syllable duration into line-detection-based spoken term detection. SLT Teppei Ohno, Tomoyosi Akiba
2012	B	`conf`	Statistical Machine Translation without Source-side Parallel Corpus Using Word Lattice and Phrase Extension. LREC Takanori Kusumoto, Tomoyosi Akiba
2011	A	`conf`	Effects of Query Expansion for Spoken Document Passage Retrieval. INTERSPEECH Tomoyosi Akiba, Koichiro Honda
2011	—	`conf`	Overview of the IR for Spoken Documents Task in NTCIR-9 Workshop. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui
2011	—	`conf`	STD based on Hough Transform and SDR using STD results: Experiments at NTCIR-9 SpokenDoc. NTCIR Taisuke Kaneko, Tomoko Takigami, Tomoyosi Akiba
2010	—	`conf`	Analyzing Effects of Factored Translation Models in English to Japanese Statistical Machine Translation. NTCIR Takahiro Oda, Tomoyosi Akiba
2010	A	`conf`	Constructing Japanese test collections for spoken term detection. INTERSPEECH Yoshiaki Itoh, Hiromitsu Nishizaki, Xinhui Hu, Hiroaki Nanjo, Tomoyosi Akiba, Tatsuya Kawahara, Seiichi Nakagawa, Tomoko Matsui, Yoichi Yamashita, Kiyoaki Aikawa
2010	B	`conf`	Language Modeling Approach for Retrieving Passages in Lecture Audio Data. LREC Koichiro Honda, Tomoyosi Akiba
2010	A	`conf`	Metric subspace indexing for fast spoken term detection. INTERSPEECH Taisuke Kaneko, Tomoyosi Akiba
2009	J	`jnl`	Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data. Inf. Media Technol. Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
2009	J	`jnl`	Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data. J. Inf. Process. Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
2008	—	`conf`	Effect of the Topic Dependent Translation Models for Patent Translation - Experiment at NTCIR-7. NTCIR Takeshi Ito, Tomoyosi Akiba, Katunobu Itou
2008	A	`conf`	Spoken document retrieval by translating recognition candidates into correct transcriptions. INTERSPEECH Tomoyosi Akiba, Yusuke Yokota
2008	—	`conf`	Statistical Machine Translation based Passage Retrieval - Experiment at NTCIR-7 IR4QA Task. NTCIR Tatsuhiro Hyodo, Tomoyosi Akiba
2008	B	`conf`	Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering. IJCNLP Tomoyosi Akiba, Kei Shimizu, Atsushi Fujii
2008	B	`conf`	Test Collections for Spoken Document Retrieval from Lecture Audio Data. LREC Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
2007	A	`conf`	Error-tolerant question answering for spoken documents. INTERSPEECH Tomoyosi Akiba, Hirofumi Tsujimura
2007	J	`jnl`	Language model adaptation for fixed phrases by amplifying partial n-gram sequences. Syst. Comput. Jpn. Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii
2007	—	`conf`	Non-factoid Question Answering Experiments at NTCIR-6: Towards Answer Type Detection for Realworld Questions. NTCIR Junta Mizuno, Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
2007	—	`conf`	Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering --- Experiments at NTCIR-6. NTCIR Tomoyosi Akiba, Kei Shimizu, Atsushi Fujii, Katunobu Itou
2006	B	`conf`	Exploiting Dynamic Passage Retrieval for Spoken Question Recognition and Context Processing towards Speech-driven Information Access Dialogue. LREC Tomoyosi Akiba
2005	—	`conf`	Bi-directional Cross Language Question Answering using a Single Monolingual QA System. NTCIR Kei Shimizu, Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
2005	—	`conf`	Exploiting Anchor Text for the Navigational Web Retrieval at NTCIR-5. NTCIR Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tetsuya Ishikawa
2005	A	`conf`	Exploiting passage retrieval for n-best rescoring of spoken questions. INTERSPEECH Tomoyosi Akiba, Hiroyuki Abe
2005	—	`conf`	Question Answering Experiments at NTCIR-5: Acquisition of Answer Evaluation Patterns and Context Processing using Passage Retrieval. NTCIR Yuichi Murata, Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
2004	B	`conf`	Collecting Spontaneously Spoken Queries for Information Retrieval. LREC Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
2004	J	`jnl`	Effects of Language Modeling on Speech-driven Question Answering CoRR Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
2004	A	`conf`	Effects of language modeling on speech-driven question answering. INTERSPEECH Katsunobu Itou, Atsushi Fujii, Tomoyosi Akiba
2004	—	`conf`	Experiments on Web Retrieval Driven by Spontaneously Spoken Queries. NTCIR Tomoyosi Akiba, Atsushi Fujii, Tetsuya Ishikawa, Katunobu Itou
2004	—	`conf`	Question Answering Using "Common Sense" and Utility Maximization Principle. NTCIR Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii
2004	J	`jnl`	Unsupervised Topic Adaptation for Lecture Speech Retrieval CoRR Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tetsuya Ishikawa
2004	A	`conf`	Unsupervised topic adaptation for lecture speech retrieval. INTERSPEECH Atsushi Fujii, Tetsuya Ishikawa, Katsunobu Itou, Tomoyosi Akiba
2003	J	`jnl`	A Cross-media Retrieval System for Lecture Videos CoRR Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tetsuya Ishikawa
2003	A	`conf`	A cross-media retrieval system for lecture videos. INTERSPEECH Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tetsuya Ishikawa
2003	A	`conf`	Adapting language models for frequent fixed phrases by emphasizing n-gram subsets. INTERSPEECH Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii
2002	A	`conf`	Selective back-off smoothing for incorporating grammatical constraints into the n-gram language model. INTERSPEECH Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii, Tetsuya Ishikawa
2002	—	`conf`	Towards Speech-Driven Question Answering: Experiments Using the NTCIR-3 Question Answering Collection. NTCIR Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii, Tetsuya Ishikawa
2001	A	`conf`	A structured statistical language model conditioned by arbitrarily abstracted grammatical categories based on GLR parsing. INTERSPEECH Tomoyosi Akiba, Katunobu Itou
2000	A	`conf`	Semi-automatic language model acquisition without large corpora. INTERSPEECH Tomoyosi Akiba, Katsunobu Itou
1994	B	`conf`	A Bayesian Approach for User Modeling in Dialogue Systems. COLING Tomoyosi Akiba, Hozumi Tanaka
1994	—	`conf`	Collecting and analyzing nonverbal elements for maintenance of dialog using a wizard of oz simulation. ICSLP Katunobu Itou, Tomoyosi Akiba, Osamu Hasegawa, Satoru Hayamizu, Kazuyo Tanaka