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EWSN
2009
Springer
16 years 4 months ago
QoS Management for Wireless Sensor Networks with a Mobile Sink
The problem of configuration of Wireless Sensor Networks is an interesting challenge. The objective is to find the settings, for each sensor node, that optimise certain task-level ...
Rob Hoes, Twan Basten, Wai-Leong Yeow, Chen-Khong ...
147
Voted
STOC
2004
ACM
118views Algorithms» more  STOC 2004»
16 years 4 months ago
Boosted sampling: approximation algorithms for stochastic optimization
Several combinatorial optimization problems choose elements to minimize the total cost of constructing a feasible solution that satisfies requirements of clients. In the STEINER T...
Anupam Gupta, Martin Pál, R. Ravi, Amitabh ...
VLDB
2003
ACM
107views Database» more  VLDB 2003»
16 years 4 months ago
A performance study of four index structures for set-valued attributes of low cardinality
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
Sven Helmer, Guido Moerkotte
SIGMOD
2004
ACM
105views Database» more  SIGMOD 2004»
16 years 4 months ago
The Priority R-Tree: A Practically Efficient and Worst-Case Optimal R-Tree
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
Lars Arge, Mark de Berg, Herman J. Haverkort, Ke Y...
CHI
2010
ACM
15 years 11 months ago
Text 2.0
We created a simple-to-use framework to construct gazeresponsive applications using web technology focussing on text. A plugin enables any compatible browser to interpret a new se...
Ralf Biedert, Georg Buscher, Sven Schwarz, Jö...