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» Extremal collective behavior
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VLDB
2005
ACM
139views Database» more  VLDB 2005»
15 years 10 months ago
Analyzing Plan Diagrams of Database Query Optimizers
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
Naveen Reddy, Jayant R. Haritsa
FASE
2004
Springer
15 years 10 months ago
A Formal Treatment of Context-Awareness
Context-aware computing refers to a computing paradigm in which the behavior of individual components is determined by the circumstances in which they find themselves to an extent...
Gruia-Catalin Roman, Christine Julien, Jamie Payto...
ISI
2004
Springer
15 years 10 months ago
Spatial Forecast Methods for Terrorist Events in Urban Environments
Abstract. Terrorist events such as suicide bombings are rare yet extremely destructive events. Responses to such events are even rarer, because they require forecasting methods for...
Donald Brown, Jason Dalton, Heidi Hoyle
VLDB
2004
ACM
73views Database» more  VLDB 2004»
15 years 10 months ago
Multi-objective Query Processing for Database Systems
Query processing in database systems has developed beyond mere exact matching of attribute values. Scoring database objects and retrieving only the top k matches or Pareto-optimal...
Wolf-Tilo Balke, Ulrich Güntzer
LCN
2003
IEEE
15 years 10 months ago
A Performance Study of Fast Handovers for Mobile IPv6
We conducted a simulative evaluation of the overall performance of Fast Handovers for Mobile IPv6 in comparison with the baseline Mobile IPv6 using the network simulator ns-2 for ...
Marc Torrent-Moreno, Xavier Pérez Costa, Se...