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An emergent class of web applications blurs the boundary between single user application and online public space. Recently popular web applications like del.icio.us help manage in...
Social bookmark services like del.icio.us enable easy annotation for users to organize their resources. Collaborative tagging provides useful index for information retrieval. Howev...
We consider search engines and collaborative tagging systems from the perspective of resource discovery and re-finding on the Web. We performed repeated searches over nine-months o...