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» The impact of Web service integration on grid performance
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ICWS
2008
IEEE
13 years 10 months ago
A Theory of Role Composition
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...
Jeffrey Fischer, Rupak Majumdar
INTERNET
2007
105views more  INTERNET 2007»
13 years 8 months ago
Workflow Planning on a Grid
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 ...
Craig W. Thompson, Wing Ning Li, Zhichun Xiao
SENSYS
2009
ACM
14 years 3 months ago
Integrated distributed energy awareness for wireless sensor networks
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...
ECOWS
2010
Springer
13 years 6 months ago
Shepherd: node monitors for fault-tolerant distributed process execution in OSIRIS
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...
Diego Milano, Nenad Stojnic
SIGIR
2004
ACM
14 years 2 months ago
Block-based web search
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...
Deng Cai, Shipeng Yu, Ji-Rong Wen, Wei-Ying Ma