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ICDE
2010
IEEE
371views Database» more  ICDE 2010»
16 years 4 months ago
TASM: Top-k Approximate Subtree Matching
Abstract-- We consider the Top-k Approximate Subtree Matching (TASM) problem: finding the k best matches of a small query tree, e.g., a DBLP article with 15 nodes, in a large docum...
Nikolaus Augsten, Denilson Barbosa, Michael H. B&o...
ICC
2007
IEEE
110views Communications» more  ICC 2007»
15 years 10 months ago
Resource Optimization to Provision a Virtual Private Network Using the Hose Model
— Virtual Private Networks (VPN) provide a secure and reliable communication between customer sites over a shared network. With increase in number and size of VPNs, providers nee...
Monia Ghobadi, Sudhakar Ganti, Gholamali C. Shoja
DEBS
2007
ACM
15 years 8 months ago
Scalable event matching for overlapping subscriptions in pub/sub systems
Content-based publish/subscribe systems allow matching the content of events with predicates in the subscriptions. However, most existing systems only allow a limited set of opera...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
DIS
2006
Springer
15 years 6 months ago
Change Detection with Kalman Filter and CUSUM
Knowledge discovery systems are constrained by three main limited resources: time, memory and sample size. Sample size is traditionally the dominant limitation, but in many present...
Milton Severo, João Gama
TSP
2008
178views more  TSP 2008»
15 years 4 months ago
Monte Carlo Methods for Channel, Phase Noise, and Frequency Offset Estimation With Unknown Noise Variances in OFDM Systems
In this paper, we address the problem of orthogonal frequency-division multiplexing (OFDM) channel estimation in the presence of phase noise (PHN) and carrier frequency offset (CFO...
F. Septier, Yves Delignon, A. Menhaj-Rivenq, Chris...