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PVLDB
2010
103views more  PVLDB 2010»
15 years 5 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
SADM
2010
123views more  SADM 2010»
15 years 5 months ago
Discriminative frequent subgraph mining with optimality guarantees
The goal of frequent subgraph mining is to detect subgraphs that frequently occur in a dataset of graphs. In classification settings, one is often interested in discovering discr...
Marisa Thoma, Hong Cheng, Arthur Gretton, Jiawei H...
ESTIMEDIA
2009
Springer
15 years 4 months ago
Optimal stack frame placement and transfer for energy reduction targeting embedded processors with scratch-pad memories
Abstract--Memory accesses are a major cause of energy consumption for embedded systems and the stack is a frequent target for data accesses. This paper presents a fully software te...
Lovic Gauthier, Tohru Ishihara
TOG
2010
153views more  TOG 2010»
15 years 1 months ago
Content-adaptive parallax barriers: optimizing dual-layer 3D displays using low-rank light field factorization
We optimize automultiscopic displays built by stacking a pair of modified LCD panels. To date, such dual-stacked LCDs have used heuristic parallax barriers for view-dependent imag...
Douglas Lanman, Matthew Hirsch, Yunhee Kim, Ramesh...
ICASSP
2011
IEEE
14 years 10 months ago
A constrained optimization approach for multi-zone surround sound
A recent approach to surround sound is to perform exact control of the sound field over a region of space. Here, the driving signals for an array of loudspeakers are chosen to cr...
Terence Betlehem, Paul D. Teal