@inproceedings{Hopfgartner:2008b,
 	author={Hopfgartner, Frank and Vallet, David and Halvey, Martin and Jose, Joemon M.},
 	title={Collaborative Search Trails for Video Search},
 	booktitle={JCDL'08 - Proceedings of the Joint Conference on Digital Libraries - First International Workshop on Collaborative Search, Pittsburgh, Pennsylvania},
 	year=2008,
         month=06,
         url = {http://arxiv.org/abs/0908.0919},
}