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TSP
2008
101views more  TSP 2008»
15 years 7 months ago
Optimal Node Density for Detection in Energy-Constrained Random Networks
The problem of optimal node density maximizing the Neyman-Pearson detection error exponent subject to a constraint on average (per node) energy consumption is analyzed. The spatial...
Animashree Anandkumar, Lang Tong, Ananthram Swami
GLOBECOM
2009
IEEE
15 years 11 months ago
Optimal Resource Scheduling in Wireless Multiservice Systems with Random Channel Connectivity
We investigate an optimal scheduling problem in a discrete-time system of L parallel queues that are served by K identical servers. This model has been widely used in studies of em...
Hussein Al-Zubaidy, Ioannis Lambadaris, Ioannis Vi...
ICDE
2006
IEEE
188views Database» more  ICDE 2006»
16 years 9 months ago
Efficiently Evaluating Order Preserving Similarity Queries over Historical Market-Basket Data
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
Reza Sherkat, Davood Rafiei
SIGMOD
1996
ACM
132views Database» more  SIGMOD 1996»
15 years 11 months ago
Cost-Based Optimization for Magic: Algebra and Implementation
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
Praveen Seshadri, Joseph M. Hellerstein, Hamid Pir...
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
15 years 9 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
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