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» Approximation Algorithms for k-hurdle Problems
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PODS
2010
ACM
197views Database» more  PODS 2010»
15 years 4 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
COMCOM
2010
276views more  COMCOM 2010»
15 years 4 months ago
Adjustable convergecast tree protocol for wireless sensor networks
For data-collection applications in sensor networks, it is important to ensure base station receives a complete picture about the monitored area. Convergecast is an important commu...
Tzung-Shi Chen, Hua-Wen Tsai, Chih-Ping Chu
CORR
2010
Springer
97views Education» more  CORR 2010»
15 years 4 months ago
Bin Packing via Discrepancy of Permutations
A well studied special case of bin packing is the 3-partition problem, where n items of size > 1 4 have to be packed in a minimum number of bins of capacity one. The famous Kar...
Friedrich Eisenbrand, Dömötör P&aac...
IJRR
2006
88views more  IJRR 2006»
15 years 4 months ago
Multi-robot Simultaneous Localization and Mapping using Particle Filters
Abstract-- This paper describes an on-line algorithm for multirobot simultaneous localization and mapping (SLAM). We take as our starting point the single-robot Rao-Blackwellized p...
Andrew Howard
JEA
2006
83views more  JEA 2006»
15 years 3 months ago
Cache-Friendly implementations of transitive closure
In this paper we show cache-friendly implementations of the Floyd-Warshall algorithm for the All-Pairs ShortestPath problem. We first compare the best commercial compiler optimiza...
Michael Penner, Viktor K. Prasanna