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154
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ER
2008
Springer
110views Database» more  ER 2008»
15 years 6 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
166
Voted
NETWORKING
2007
15 years 6 months ago
Construction of a Proxy-Based Overlay Skeleton Tree for Large-Scale Real-Time Group Communications
Abstract. We consider the problem of constructing a proxy-based overlay skeleton tree (POST) in the backbone service domain of a two-tier overlay multicast infrastructure. Spanning...
Jun Guo, Sanjay Jha
168
Voted
PLANX
2007
15 years 6 months ago
XPath Typing Using a Modal Logic with Converse for Finite Trees
We present an algorithm to solve XPath decision problems under regular tree type constraints and show its use to statically typecheck XPath queries. To this end, we prove the deci...
Pierre Genevès, Nabil Layaïda, Alan Sc...
WICON
2008
15 years 6 months ago
Game-based admission control for wireless systems
Much previous work has examined the wireless power control problem using tools from game theory, an economic concept which describes the behavior of interdependent but non-coopera...
Benjamin Yolken, Nicholas Bambos
ECIS
2001
15 years 6 months ago
Managing the Resourcing Process in an IT Outsourcing Environment: A Case Example
A case is described of a firm, which decided to develop a new IT system using a mixture of contract or outsourced workers and company employees. The company employees were placed ...
Sue Newell, Marward Maertens