Smeaton, Alan F., Over, Paul and Kraaij, Wessel (2009) High-level feature detection from video in TRECVid: a 5-year retrospective of achievements. In: Divakaran, Ajay, (ed.) Multimedia Content Analysis: Theory and Applications. Springer series on Signals and Communication Technology . Springer US, Norwell, MA 02061, USA, pp. 151-174. ISBN 978-0-387-76567-9