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ICALP
2009
Springer
14 years 9 months ago
Testing Fourier Dimensionality and Sparsity
We present a range of new results for testing properties of Boolean functions that are defined in terms of the Fourier spectrum. Broadly speaking, our results show that the propert...
Parikshit Gopalan, Ryan O'Donnell, Rocco A. Served...
VLDB
2004
ACM
144views Database» more  VLDB 2004»
14 years 9 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
MOBIHOC
2002
ACM
14 years 8 months ago
Directional virtual carrier sensing for directional antennas in mobile ad hoc networks
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
Mineo Takai, Jay Martin, Rajive Bagrodia, Aifeng R...

Publication
309views
14 years 6 months ago
Improving Nearest Neighbor Classification with Cam Weighted Distance
Nearest neighbor (NN) classification assumes locally constant class conditional probabilities, and suffers from bias in high dimensions with a small sample set. In this paper, we p...
Changyin Zhou, Yanqiu Chen
ICCAD
2003
IEEE
152views Hardware» more  ICCAD 2003»
14 years 6 months ago
Dynamic Fault-Tolerance and Metrics for Battery Powered, Failure-Prone Systems
Emerging VLSI technologies and platforms are giving rise to systems with inherently high potential for runtime failure. Such failures range from intermittent electrical and mechan...
Phillip Stanley-Marbell, Diana Marculescu