: Most online help systems on the market prove unsuited to the actual needs of novice users. Although recent research has focused on the design and implementation of contextual, ad...
Traditional online social network sites use a single monolithic "friends" relationship to link users. However, users may have more in common with strangers, suggesting t...
Current search technologies work in "one size fits all" fashion. Therefore, the answer to a query is independent of specific user information need. In this paper, we des...
Spyware is a significant problem for most computer users. The term “spyware” loosely describes a new class of computer software. This type of software may track user activitie...
The success and popularity of social network systems, such as del.icio.us, Facebook, MySpace, and YouTube, have generated many interesting and challenging problems to the research...