We present a framework for automatically summarizing social group activity over time. The problem is important in understanding large scale online social networks, which have dive...
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
The Internet is increasingly used as a medium for providing medical information. Nevertheless, whether the World Wide Web is favoured over other information sources depends to a l...
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
— Databases associated with keywords, can be public, private or hybrid, as a result the solutions to keyword search protocols for each type are different. In this paper, we study...