: 1 Invaluable feedback from HIICS referees is gratefully acknowledged. Mobile data services integrate handheld and Internet technologies to create new value propositions (Keen and...
Social tagging is an increasingly popular phenomenon with substantial impact on the way we perceive and understand the Web. For the many Web resources that are not self-descriptive...
When we model a phenomenon we apply a perspective on the phenomenon. The perspective decides which properties we include in the model. It also decides how we conceive a phenomenon ...