Yohei Ikawa  Yohei Ikawa photo       

contact information

Research Scientist
IBM Research - Tokyo, Toyosu, Japan
  +81dash3dash5144dash2876

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2014

Online User Location Inference Exploiting Spatiotemporal Correlations in Social Streams
Yuto Yamaguchi, Toshiyuki Amagasa, Hiroyuki Kitagawa, Yohei Ikawa
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, pp. 1139--1148, 2014


2013

Location-based insights from the social web
Yohei Ikawa, Maja Vukovic, Jakob Rogstadius, Akiko Murakami
Proceedings of the 22nd international conference on World Wide Web companion, pp. 1013--1016, 2013


2012

User community reconstruction using sampled microblogging data
Miki Enoki, Yohei Ikawa, Raymond Rudy
Proceedings of the 21st international conference companion on World Wide Web, pp. 657--660, 2012

Location inference using microblog messages
Yohei Ikawa, Miki Enoki, Michiaki Tatsubori
Proceedings of the 21st international conference companion on World Wide Web, pp. 687--690, 2012


2011

Language Translation Tools Drive Productivity Improvements for Global Delivery of Services
Hideo Watanabe, Nanda Kambhatla, Hironori Takeuchi, Hiroshi Kanayama, Yohei Ikawa, Junya Shimizu, Takuya Mishina, Hitoshi Akimoto, Swati Challa
SRII Global Conference (SRII), 2011 Annual, pp. 465--471


2007

A New Document Masking Approach for Removing Confidential Information
Yohei Ikawa, Hiroshi Kanayama
E-Commerce Technology and the 4th IEEE International Conference on Enterprise Computing, E-Commerce, and E-Services, 2007. CEC/EEE 2007. The 9th IEEE International Conference on, pp. 107--114


2006

Detecting invalid dictionary entries for biomedical text mining
Hironori Takeuchi, Issei Yoshida, Yohei Ikawa, Kazuo Iida, Yoko Fukui
Knowledge Discovery in Life Science Literature, pp. 112--122, Springer, 2006