... Ranking Change in time Wisdom of crowds Relevance judgement Numerous general models of information seeking and web searching behaviour have been proposed in the past such as Ellis (1989) , Bates (1989) , Kuhlthau (1991) , Dervin (1992) , Johnson and Meischke (1993) , Marchionini (1995...

... that the process of relevance judgment for images is multidimensional and the judgment, no matter how the classes and types of relevance are described, is based on criteria extending beyond topical match between a query and the documents. Moreover, image retrieval poses difficulties compared to text document...