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TON
2002
117views more  TON 2002»
14 years 11 months ago
Generalized loop-back recovery in optical mesh networks
Current means of providing loop-back recovery, which is widely used in SONET, rely on ring topologies, or on overlaying logical ring topologies upon physical meshes. Loop-back is d...
Muriel Médard, Richard A. Barry, Steven G. ...
CCR
2008
85views more  CCR 2008»
14 years 11 months ago
On cycles in AS relationships
y be more complex than the course modeling abstraction we adopted in [2]. Real AS relationships may depend on a peering point, prefix, and even time [2]. For example, ISPs that dom...
Xenofontas A. Dimitropoulos, M. Ángeles Ser...
PVLDB
2008
126views more  PVLDB 2008»
14 years 11 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...
SADM
2008
178views more  SADM 2008»
14 years 11 months ago
Fast Projection-Based Methods for the Least Squares Nonnegative Matrix Approximation Problem
: Nonnegative matrix approximation (NNMA) is a popular matrix decomposition technique that has proven to be useful across a diverse variety of fields with applications ranging from...
Dongmin Kim, Suvrit Sra, Inderjit S. Dhillon
SCHEDULING
2008
67views more  SCHEDULING 2008»
14 years 11 months ago
Exact train pathing
Suppose we are given a schedule of train movements over a rail network into which a new train is to be included. The origin and the destination are specified for the new train; it...
Viswanath Nagarajan, Abhiram G. Ranade