“…However, such detectors are available only for a small number of concepts and often provide low accuracy rates. If concepts such as 'water', 'sky', 'cars', 'faces' or 'outdoors' are relatively well-detected, concepts such as 'entertainment' or aspects such as preferences or moods Hanjalic (2006) are far from being correctly identified. To cope with the automatic concept detection challenges, the multimedia communities are currently establishing concept lexicons Naphade et al (2006); Snoek, Worring, van Gemert, Geusebroek & Smeulders (2006), focusing on the concepts that are feasible for automatic detection Hauptmann et al (2007);Snoek, Worring, Geusebroek, Koelma, Seinstra & Smeulders (2006); Yang & Hauptmann (2006 Deselaers et al (2004);Jiang et al (2007)?…”