Teruko Mitamura, Eric Nyberg, Hideki Shima, Tsuneaki Kato, Tatsunori Mori, Chin-Yew Lin, Ruihua Song, Chuan-Jie Lin, Tetsuya Sakai, Donghong Ji, Noriko Kando: Overview of the NTCIR-7 ACLIA Tasks: Advanced Cross-Lingual Information Access. NTCIR 2008