Tomoyosi Akiba

According to our database, Tomoyosi Akiba authored at least 54 papers between 1994 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Analysis on Unsupervised Acquisition Process of Bilingual Vocabulary through Iterative Back-Translation.

Takuma Tanigawa, Tomoyosi Akiba, Hajime Tsukada

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

2020

English-Japanese Machine Translation for Lecture Subtitles using Back-Translation and Transfer Learning.

Yuuki Yamagishi, Tomoyosi Akiba, Hajime Tsukada

Proceedings of the 9th IEEE Global Conference on Consumer Electronics, 2020

2019

Discriminative Learning of Filterbank Layer within Deep Neural Network Based Speech Recognition for Speaker Adaptation.

Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa

IEICE Trans. Inf. Syst., 2019

2018

Rapid Speaker Adaptation of Neural Network Based Filterbank Layer for Automatic Speech Recognition.

Hiroshi Seki, Kazumasa Yamamoto, Tomoyosi Akiba, Seiichi Nakagawa

Proceedings of the 2018 IEEE Spoken Language Technology Workshop, 2018

2017

Incorporating Acoustic Features for Spontaneous Speech Driven Content Retrieval.

Hiroto Tasaki, Tomoyosi Akiba

Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017

2016

Repeated Event Discovery from Image Sequences by Using Segmental Dynamic Time Warping: Experiment at the NTCIR-12 Lifelog Task.

Kosuke Yamauchi, Tomoyosi Akiba

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

Graph-based Document Expansion and Robust SCR Models for False Positives: Experiments at the NTCIR-12 SpokenQuery&Doc-2.

Sho Kawasaki, Hiroshi Oshima, Tomoyosi Akiba

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

Overview of the NTCIR-12 SpokenQuery&Doc-2 Task.

Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

2014

STD Score Combination with Acoustic Likelihood and Robust SCR Models for False Positives: Experiments at NTCIR-11 SpokenQuery&Doc.

Yusuke Takada, Sho Kawasaki, Hiroshi Oshima, Hiroshi Kawatani, Tomoyosi Akiba

Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, 2014

Overview of the NTCIR-11 SpokenQuery&Doc Task.

Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones

Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, 2014

Robust retrieval models for false positive errors in spoken documents.

Sho Kawasaki, Tomoyosi Akiba

Proceedings of the 15th Annual Conference of the International Speech Communication Association, 2014

2013

Evaluation Framework Design of Spoken Term Detection Study at the NTCIR-9 IR for Spoken Documents Task.

Hiromitsu Nishizaki, Tomoyosi Akiba, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui

Inf. Media Technol., 2013

DTW-Distance-Ordered Spoken Term Detection and STD-based Spoken Content Retrieval: Experiments at NTCIR-10 SpokenDoc-2.

Tomoyosi Akiba, Tomoko Takigami, Teppei Ohno, Kenta Kase

Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, 2013

Overview of the NTCIR-10 SpokenDoc-2 Task.

Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Xinhui Hu, Yoshiaki Itoh, Tatsuya Kawahara, Seiichi Nakagawa, Hiroaki Nanjo, Yoichi Yamashita

Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, 2013

DTW-distance-ordered spoken term detection.

Teppei Ohno, Tomoyosi Akiba

Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

Open vocabulary spoken content retrieval by front-ending with spoken term detection.

Tomoko Takigami, Tomoyosi Akiba

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2013

2012

Incorporating syllable duration into line-detection-based spoken term detection.

Teppei Ohno, Tomoyosi Akiba

Proceedings of the 2012 IEEE Spoken Language Technology Workshop (SLT), 2012

Statistical Machine Translation without Source-side Parallel Corpus Using Word Lattice and Phrase Extension.

Takanori Kusumoto, Tomoyosi Akiba

Proceedings of the Eighth International Conference on Language Resources and Evaluation, 2012

Designing an Evaluation Framework for Spoken Term Detection and Spoken Document Retrieval at the NTCIR-9 SpokenDoc Task.

Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui

Proceedings of the Eighth International Conference on Language Resources and Evaluation, 2012

2011

STD based on Hough Transform and SDR using STD results: Experiments at NTCIR-9 SpokenDoc.

Taisuke Kaneko, Tomoko Takigami, Tomoyosi Akiba

Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2011

Overview of the IR for Spoken Documents Task in NTCIR-9 Workshop.

Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui

Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2011

Effects of Query Expansion for Spoken Document Passage Retrieval.

Tomoyosi Akiba, Koichiro Honda

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

2010

Analyzing Effects of Factored Translation Models in English to Japanese Statistical Machine Translation.

Takahiro Oda, Tomoyosi Akiba

Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2010

Language Modeling Approach for Retrieving Passages in Lecture Audio Data.

Koichiro Honda, Tomoyosi Akiba

Proceedings of the International Conference on Language Resources and Evaluation, 2010

Metric subspace indexing for fast spoken term detection.

Taisuke Kaneko, Tomoyosi Akiba

Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

Constructing Japanese test collections for spoken term detection.

Yoshiaki Itoh, Hiromitsu Nishizaki, Xinhui Hu, Hiroaki Nanjo, Tomoyosi Akiba, Tatsuya Kawahara, Seiichi Nakagawa, Tomoko Matsui, Yoichi Yamashita, Kiyoaki Aikawa

Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

2009

Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data.

Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou

J. Inf. Process., 2009

2008

Effect of the Topic Dependent Translation Models for Patent Translation - Experiment at NTCIR-7.

Takeshi Ito, Tomoyosi Akiba, Katunobu Itou

Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2008

Statistical Machine Translation based Passage Retrieval - Experiment at NTCIR-7 IR4QA Task.

Tatsuhiro Hyodo, Tomoyosi Akiba

Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2008

Test Collections for Spoken Document Retrieval from Lecture Audio Data.

Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou

Proceedings of the International Conference on Language Resources and Evaluation, 2008

Spoken document retrieval by translating recognition candidates into correct transcriptions.

Tomoyosi Akiba, Yusuke Yokota

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering.

Tomoyosi Akiba, Kei Shimizu, Atsushi Fujii

Proceedings of the Third International Joint Conference on Natural Language Processing, 2008

2007

Language model adaptation for fixed phrases by amplifying partial n-gram sequences.

Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii

Syst. Comput. Jpn., 2007

Non-factoid Question Answering Experiments at NTCIR-6: Towards Answer Type Detection for Realworld Questions.

Junta Mizuno, Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou

Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2007

Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering --- Experiments at NTCIR-6.

Tomoyosi Akiba, Kei Shimizu, Atsushi Fujii, Katunobu Itou

Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2007

Error-tolerant question answering for spoken documents.

Tomoyosi Akiba, Hirofumi Tsujimura

Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

2006

Exploiting Dynamic Passage Retrieval for Spoken Question Recognition and Context Processing towards Speech-driven Information Access Dialogue.

Tomoyosi Akiba

Proceedings of the Fifth International Conference on Language Resources and Evaluation, 2006

2005

Bi-directional Cross Language Question Answering using a Single Monolingual QA System.

Kei Shimizu, Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

Question Answering Experiments at NTCIR-5: Acquisition of Answer Evaluation Patterns and Context Processing using Passage Retrieval.

Yuichi Murata, Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

Exploiting Anchor Text for the Navigational Web Retrieval at NTCIR-5.

Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tetsuya Ishikawa

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

Exploiting passage retrieval for n-best rescoring of spoken questions.

Tomoyosi Akiba, Hiroyuki Abe

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

2004

Question Answering Using "Common Sense" and Utility Maximization Principle.

Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Experiments on Web Retrieval Driven by Spontaneously Spoken Queries.

Tomoyosi Akiba, Atsushi Fujii, Tetsuya Ishikawa, Katunobu Itou

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Collecting Spontaneously Spoken Queries for Information Retrieval.

Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou

Proceedings of the Fourth International Conference on Language Resources and Evaluation, 2004

Effects of language modeling on speech-driven question answering.

Katsunobu Itou, Atsushi Fujii, Tomoyosi Akiba

Proceedings of the 8th International Conference on Spoken Language Processing, 2004

Unsupervised topic adaptation for lecture speech retrieval.

Atsushi Fujii, Tetsuya Ishikawa, Katsunobu Itou, Tomoyosi Akiba

Proceedings of the 8th International Conference on Spoken Language Processing, 2004

2003

A cross-media retrieval system for lecture videos.

Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tetsuya Ishikawa

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Adapting language models for frequent fixed phrases by emphasizing n-gram subsets.

Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

2002

Towards Speech-Driven Question Answering: Experiments Using the NTCIR-3 Question Answering Collection.

Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii, Tetsuya Ishikawa

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, 2002

Selective back-off smoothing for incorporating grammatical constraints into the n-gram language model.

Tomoyosi Akiba, Katunobu Itou, Atsushi Fujii, Tetsuya Ishikawa

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

2001

A structured statistical language model conditioned by arbitrarily abstracted grammatical categories based on GLR parsing.

Tomoyosi Akiba, Katunobu Itou

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

2000

Semi-automatic language model acquisition without large corpora.

Tomoyosi Akiba, Katsunobu Itou

Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

1994

Collecting and analyzing nonverbal elements for maintenance of dialog using a wizard of oz simulation.

Katunobu Itou, Tomoyosi Akiba, Osamu Hasegawa, Satoru Hayamizu, Kazuyo Tanaka

Proceedings of the 3rd International Conference on Spoken Language Processing, 1994

A Bayesian Approach for User Modeling in Dialogue Systems.

Tomoyosi Akiba, Hozumi Tanaka

Proceedings of the 15th International Conference on Computational Linguistics, 1994