A Proposal for Collecting the Posted Information Through User Classification by Using Location Information. - Norikazu Kato; Yoichi Muraoka (International Conference on Internet Computing, 2009)

Cross-media impact on twitter in japan. - Sayaka Akioka; Norikazu Kato; Yoichi Muraoka; Hayato Yamana (SMUC@CIKM, 2010)

Proper Nouns Extraction from Streaming Data. - Norikazu Kato; Yoichi Muraoka (International Conference on Internet Computing, 2010)