We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
Energy in sensor networks is a distributed, non-transferable resource. Over time, differences in energy availability are likely to arise. Protocols like routing trees may concent...
Geoffrey Werner Challen, Jason Waterman, Matt Wels...
OSIRIS is a middleware for the composition and orchestration of distributed web services that follows a P2P decentralized approach to process execution, providing already some deg...
Multiple-topic and varying-length of web pages are two negative factors significantly affecting the performance of web search. In this paper, we explore the use of page segmentati...