We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...
This paper proposes a cache hierarchy that enables Web search engines to efficiently process user queries. The different caches in the hierarchy are used to store pieces of data w...
Purpose: Examines the needs of digital library stakeholders and how a collaborative digital library might be designed to meet these needs. The collaborative digital library has be...
Abstract--We study in this paper a TCP-like linear-increase multiplicative-decrease flow control mechanism. We consider congestion signals that arrive in batches according to a Poi...
Eitan Altman, Konstantin Avrachenkov, Chadi Baraka...
There continues to be increasing interest from a broad range of disciplines in agent-based and artificial life simulations. This includes the Department of Defense--which uses sim...
Thomas M. Cioppa, Thomas W. Lucas, Susan M. Sanche...