Evaluating rankers using implicit feedback, such as clicks on documents in a result list, is an increasingly popular alternative to traditional evaluation methods based on explici...
It is well known that different types of social ties have essentially different influence between people. However, users in online social networks rarely categorize their contact...
Microblogs have become an important source of information for the purpose of marketing, intelligence, and reputation management. Streams of microblogs are of great value because o...
The advent of affordable, shared-nothing computing systems portends a new class of parallel database management systems (DBMS) for on-line transaction processing (OLTP) applicatio...
Influential people have an important role in the process of information diffusion. However, there are several ways to be influential, for example, to be the most popular or the...