Akitoshi Okumura

According to our database, Akitoshi Okumura authored at least 37 papers between 1992 and 2023.

Collaborative distances:

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

2023

WISDOM-DX: An Automatic DX Assessment System Using a QA System Based on Web Data.

Kai Ishikawa, Akitoshi Okumura, Dai Kusui, Noriyoshi Ichinose, Kentaro Torisawa, Kiyonori Ohtake

J. Inf. Process., 2023

2020

Improving Face Recognition for Identity Verification by Managing Facial Directions and Eye Contact of Event Attendees.

Akitoshi Okumura, Susumu Handa, Takamichi Hoshino, Naoki Tokunaga, Masami Kanda

J. Inf. Process., 2020

2019

Identity Verification Using Face Recognition Improved by Managing Check-in Behavior of Event Attendees.

Akitoshi Okumura, Susumu Handa, Takamichi Hoshino, Naoki Tokunaga, Masami Kanda

Proceedings of the Advances in Artificial Intelligence, 2019

Identity Verification Using Face Recognition for Artificial-Intelligence Electronic Forms with Speech Interaction.

Akitoshi Okumura, Shuji Komeiji, Motohiko Sakaguchi, Masahiro Tabuchi, Hiroaki Hattori

Proceedings of the HCI for Cybersecurity, Privacy and Trust, 2019

2018

Identity Verification for Attendees of Large-scale Events Using Face Recognition of Selfies Taken with Smartphone Cameras.

Akitoshi Okumura, Takamichi Hoshino, Susumu Handa, Eiko Yamada, Masahiro Tabuchi

J. Inf. Process., 2018

2017

Identity Verification of Ticket Holders at Large-scale Events Using Face Recognition.

Akitoshi Okumura, Takamichi Hoshino, Susumu Handa, Yugo Nishiyama, Masahiro Tabuchi

J. Inf. Process., 2017

2016

Identity Confirmation to Issue Tickets Using Face Recognition.

Akitoshi Okumura, Susumu Handa, Takamichi Hoshino, Yugo Nishiyama

Proceedings of the HCI International 2016 - Posters' Extended Abstracts, 2016

2008

Open-vocabulary spoken-document retrieval based on query expansion using related web documents.

Makoto Terao, Takafumi Koshinaka, Shinichi Ando, Ryosuke Isotani, Akitoshi Okumura

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

2007

Multimedia Blog Creation System using Dialogue with Intelligent Robot.

Akitoshi Okumura, Takahiro Ikeda, Toshihiro Nishizawa, Shinichi Ando, Fumihiro Adachi

Proceedings of the ACL 2007, 2007

2006

A User Interface-Level Integration Method for Multiple Automatic Speech Translation Systems.

Seiya Osada, Kiyoshi Yamabana, Ken Hanazawa, Akitoshi Okumura

Proceedings of the 20st Pacific Asia Conference on Language, Information and Computation, 2006

Parallel LVCSR Algorithm for Cellphone-Oriented Multicore Processors.

Shin-ya Ishikawa, Kiyoshi Yamabana, Ryosuke Isotani, Akitoshi Okumura

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005

Speech-Activated Text Retrieval System for Cellular Phones with Web Browsing Capability.

Takahiro Ikeda, Shin-ya Ishikawa, Kiyokazu Miki, Fumihiro Adachi, Ryosuke Isotani, Kenji Satoh, Akitoshi Okumura

Proceedings of the 19st Pacific Asia Conference on Language, Information and Computation, 2005

An HMM-based Text Segmentation Method Using Variational Bayes Approach and Its Application to LVCSR for Broadcast News.

Takafumi Koshinaka, Ken-ichi Iso, Akitoshi Okumura

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

Speech-activated text retrieval system for multimodal cellular phones.

Shin-ya Ishikawa, Takahiro Ikeda, Kiyokazu Miki, Fumihiro Adachi, Ryosuke Isotani, Ken-ichi Iso, Akitoshi Okumura

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003

A Speech Translation System with Mobile Wireless Clients.

Kiyoshi Yamabana, Ken Hanazawa, Ryosuke Isotani, Seiya Osada, Akitoshi Okumura, Takao Watanabe

Proceedings of the ACL 2003, 2003

2002

Trainable Automatic Text Summarization Using Segmentation of Sentence.

Kai Ishikawa, Shinichi Ando, Shinichi Doi, Akitoshi Okumura

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

An Automatic Speech Translation System on PDAs for Travel Conversation.

Ryosuke Isotani, Kiyoshi Yamabana, Shinichi Ando, Ken Hanazawa, Shin-ya Ishikawa, Tadashi Emori, Ken-ichi Iso, Hiroaki Hattori, Akitoshi Okumura, Takao Watanabe

Proceedings of the 4th IEEE International Conference on Multimodal Interfaces (ICMI 2002), 2002

Topic Detection Based on Dialogue History.

Takayuki Nakata, Shinichi Ando, Akitoshi Okumura

Proceedings of the 19th International Conference on Computational Linguistics, 2002

Topic Detection Based on Dialogue History.

Takayuki Nakata, Takahiro Ikeda, Shinichi Ando, Akitoshi Okumura

Proceedings of the Workshop on Speech-to-Speech Translation: Algorithms and Systems@ACL 2002, 2002

Automatic Interpretation System Integrating Free-Style Sentence Translation and Parallel Text Based Translation.

Takahiro Ikeda, Shinichi Ando, Kenji Satoh, Akitoshi Okumura

Proceedings of the Workshop on Speech-to-Speech Translation: Algorithms and Systems@ACL 2002, 2002

2001

Hybrid Text Summarization Method based on the TF Method and the Lead Method.

Kai Ishikawa, Shinichi Ando, Akitoshi Okumura

Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, 2001

Evaluating Automatic Text Summarization with Summary Results by the Experienced and the Inexperienced.

Kai Ishikawa, Shinichi Ando, Akitoshi Okumura

Proceedings of the Sixth Natural Language Processing Pacific Rim Symposium, 2001

2000

An automatic interpretation system for travel conversation.

Takao Watanabe, Akitoshi Okumura, Shinsuke Sakai, Kiyoshi Yamabana, Shinichi Doi, Ken Hanazawa

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

1999

Cross Language Information Retrieval Based on Comparable Corpora.

Satoshi Nakazawa, Takayoshi Ochiai, Kenji Satoh, Akitoshi Okumura

Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, 1999

Documentation Know-How Sharing by Automatic Process Tracking.

Kenji Satoh, Akitoshi Okumura

Proceedings of the 4th International Conference on Intelligent User Interfaces, 1999

1998

Ad Hoc Retrieval Experiments Using WordNet and Automatically Constructed Thesauri.

Rila Mandala, Takenobu Tokunaga, Hozumi Tanaka, Akitoshi Okumura, Kenji Satoh

Proceedings of The Seventh Text REtrieval Conference, 1998

Information Classification and Navigation Based on 5W1H of the Target Information.

Takahiro Ikeda, Akitoshi Okumura, Kazunori Muraki

Proceedings of the 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, 1998

1997

Query Term Expansion based on Paragraphs of the Relevant Documents.

Kai Ishikawa, Kenji Satoh, Akitoshi Okumura

Proceedings of The Sixth Text REtrieval Conference, 1997

Information Retrieval Supported by Rich and Redundant Indices.

Kenji Satoh, Susumu Akamine, Kazunori Muraki, Akitoshi Okumura

Proceedings of the Design of Computing Systems: Social and Ergonomic Considerations, 1997

Adaptable Information Clipping Service Supported by Evolving User Profile and Multiple Ontologies.

Takahiro Ikeda, Akitoshi Okumura, Kazunori Muraki

Proceedings of the Design of Computing Systems: Cognitive Considerations, 1997

1995

Improvements on Query Term Expansion and Ranking Formula.

Kenji Satoh, Susumu Akamine, Akitoshi Okumura

Proceedings of The Fourth Text REtrieval Conference, 1995

1994

Information Retrieval System for TREC3.

Kenji Satoh, Akitoshi Okumura, Kiyoshi Yamabana

Proceedings of The Third Text REtrieval Conference, 1994

Building Japanese-English Dictionary based on Ontology for Machine Translation.

Akitoshi Okumura, Eduard H. Hovy

Proceedings of the Human Language Technology, 1994

Symmetric Pattern Matching Analysis for English Coordinate Structures.

Akitoshi Okumura, Kazunori Muraki

Proceedings of the 4th Applied Natural Language Processing Conference, 1994

Lexicon-to-Ontology Concept Association Using a Bilingual Dictionary.

Akitoshi Okumura, Eduard H. Hovy

Proceedings of the First Conference of the Association for Machine Translation in the Americas, 1994

Integrating Knowledge Bases and Statistics in MT.

Kevin Knight, Ishwar Chander, Matthew Haines, Vasileios Hatzivassiloglou, Eduard H. Hovy, Masayo Iida, Steve K. Luk, Akitoshi Okumura, Richard Whitney, Kenji Yamada

Proceedings of the First Conference of the Association for Machine Translation in the Americas, 1994

1992

INTERTALKER: an experimental automatic interpretation system using conceptual representation.

Kaichiro Hatazaki, Jun Noguchi, Akitoshi Okumura, Kazunaga Yoshida, Takao Watanabe

Proceedings of the Second International Conference on Spoken Language Processing, 1992