@article{Hopfgartner:2010e,
 author = {Hopfgartner, Frank},
 title  = {Personalised Video Retrieval: Application of Implicit Feedback and Semantic User Profiles},
 journal = {ACM SIGMultimedia Records},
 volume = {2},
 number = {4},
 year = {2010},
 pages = {6--7},
 url={http://dx.doi.org/10.1145/2039331.2039334}
}