Evaluating significance of historical entities based on tempo-spatial impacts analysis using Wikipedia link structure. - Yuku Takahashi; Hiroaki Ohshima; Mitsuo Yamamoto; Hirotoshi Iwasaki; Satoshi Oyama; Katsumi Tanaka (HT, 2011)

Extraction and Geographical Navigation of Important Historical Events in the Web. - Mitsuo Yamamoto; Yuku Takahashi; Hirotoshi Iwasaki; Satoshi Oyama; Hiroaki Ohshima; Katsumi Tanaka (W2GIS, 2011)