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ECCC
2007
62views more  ECCC 2007»
13 years 8 months ago
Space Hierarchy Results for Randomized and Other Semantic Models
We prove space hierarchy and separation results for randomized and other semantic models of computation with advice where a machine is only required to behave appropriately when g...
Jeff Kinne, Dieter van Melkebeek
ENTCS
2007
144views more  ENTCS 2007»
13 years 8 months ago
Partial Order Reduction for Rewriting Semantics of Programming Languages
Software model checkers are typically language-specific, require substantial development efforts, and are hard to reuse for other languages. Adding partial order reduction (POR)...
Azadeh Farzan, José Meseguer
MTA
2011
263views Hardware» more  MTA 2011»
13 years 3 months ago
Event detection and recognition for semantic annotation of video
Research on methods for detection and recognition of events and actions in videos is receiving an increasing attention from the scientific community, because of its relevance for ...
Lamberto Ballan, Marco Bertini, Alberto Del Bimbo,...
ICML
2005
IEEE
14 years 9 months ago
Exploiting syntactic, semantic and lexical regularities in language modeling via directed Markov random fields
We present a directed Markov random field (MRF) model that combines n-gram models, probabilistic context free grammars (PCFGs) and probabilistic latent semantic analysis (PLSA) fo...
Shaojun Wang, Shaomin Wang, Russell Greiner, Dale ...
SIGMOD
2003
ACM
141views Database» more  SIGMOD 2003»
14 years 8 months ago
QC-Trees: An Efficient Summary Structure for Semantic OLAP
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
Laks V. S. Lakshmanan, Jian Pei, Yan Zhao