The role of a facilitator is key to the effective establishment and maintenance of communities of practice (COPs). This paper presents challenges faced by facilitators in COPs bas...
Searching posts effectively has become an important issue in large-scale online communities. Especially, if search users have different inclinations when they search posts, they h...
esult abstracts viewed and those clicked on, and whether gender, search task, or search engine influence these behaviors. In addition, we discuss a key challenge that arose in all ...
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...
Yu-Ru Lin, Jimeng Sun, Paul Castro, Ravi B. Konuru...
This paper aims to categorize some of the fundamental information systems (IS) challenges with the development of consumer-oriented electronic commerce or online retailing. With th...