The popularity of social information systems has been driven by their ability to help users manage, organize and share online resources. Though the research exploring the use of ta...
Fuzzzy.com, a social bookmarking website has been developed to study collaborative creation of semantics. In a shared online space, users of Fuzzzy continuously create metadata bot...
This paper presents a new personal data access control (PDAC) scheme that is inspired by the protection schemes practiced in communities for sharing valuable commodities. The PDAC...
This paper presents the first comprehensive exploration of the largest Chinese online knowledge sharing communityBaidu Knows. With analyzing 5.2 millions questions and 2.7 million...
We have developed a digital city for Kyoto, the old capital and cultural center of Japan, as a social information infrastructure for urban everyday life including shopping, busines...