Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
Over the last few years several process-based web service composition languages have emerged, such as BPEL4WS and BPML. These languages define the composition on the basis of a pr...
Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via adhoc feedback improves the retrieval e ectiveness of such ...
Internet-based information technologies have considerable potential for improving collaboration in professional communities. In this paper, we explain the concept of user-driven sp...
Recent advancement in peer-to-peer (P2P) technologies has enabled a wide range of new applications. In this paper, we present mixed integer programming (MIP) formulations to analy...