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Cress, Ulrike; Held, Christoph; Kimmerle, Joachim – Computers & Education, 2013
Tag clouds generated in social tagging systems can capture the collective knowledge of communities. Using as a basis spreading activation theories, information foraging theory, and the co-evolution model of cognitive and social systems, we present here a model for an "extended information scent," which proposes that both collective and individual…
Descriptors: Online Searching, Search Strategies, Hypermedia, Social Networks