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CIKM
2009
Springer
14 years 3 months ago
Evaluating top-k queries over incomplete data streams
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
Parisa Haghani, Sebastian Michel, Karl Aberer
LANC
2009
ACM
158views Education» more  LANC 2009»
14 years 3 months ago
Enhancements to the opinion model for video-telephony applications
In this paper, we show how the proposed model in ITU-T Recommendation G.1070 “Opinion model for video-telephony applications” cannot model properly the perceptual video qualit...
Jose Joskowicz, José Carlos López-Ar...
FOCS
2006
IEEE
14 years 2 months ago
Lower Bounds for Additive Spanners, Emulators, and More
An additive spanner of an unweighted undirected graph G with distortion d is a subgraph H such that for any two vertices u, v ∈ G, we have δH(u, v) ≤ δG(u, v) + d. For every...
David P. Woodruff
MM
2006
ACM
108views Multimedia» more  MM 2006»
14 years 2 months ago
Video search reranking via information bottleneck principle
We propose a novel and generic video/image reranking algorithm, IB reranking, which reorders results from text-only searches by discovering the salient visual patterns of relevant...
Winston H. Hsu, Lyndon S. Kennedy, Shih-Fu Chang
ICCS
2005
Springer
14 years 2 months ago
Flamelet Analysis of Turbulent Combustion
Three-dimensional direct numerical simulations are performed of turbulent combustion of initially spherical flame kernels. The chemistry is described by a progress variable which ...
R. J. M. Bastiaans, S. M. Martin, H. Pitsch, J. A....