Meng Zhao, Hiroaki Ohshima, and Katsumi Tanaka
"Finding "Similar but Different" Documents Based on Coordinate Relationship"
Proceedings of the 18th International Conference on Asia-Pacific Digital Libraries (ICADL 2016), pp.110-123, December 2016
Yusuke Takeda, Hiroaki Ohshima, and Katsumi Tanaka
"Web Page Revisiting by Coordinate Page Discovery"
Proceedings of the 17th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2015), 68:1-68:10, December 2015