@inproceedings{KDIR-2011-OzakiE,
	author        = "Tomonobu Ozaki and Minoru Etoh",
	booktitle     = "{Proceedings of the Third International Conference on Knowledge Discovery and Information Retrieval}",
	isbn          = "978-989-8425-79-9",
	pages         = "250--255",
	publisher     = "{SciTePress}",
	title         = "{Estimation of Implicit user Influence from Proxy Logs — An Empirical Study on the Effects of Time Difference and Popularity}",
	year          = 2011,
}