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74
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IJCAI
2003
15 years 2 months ago
Expressive Power of Tree and String Based Wrappers
There exist two types of wrappers: the string based wrapper such as the LR wrapper, and the tree based wrapper. A tree based wrapper designates extraction regions by nodes on the ...
Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
82
Voted
JUCS
2007
122views more  JUCS 2007»
15 years 19 days ago
Efficient Access Methods for Temporal Interval Queries of Video Metadata
: Indexing video content is one of the most important problems in video databases. In this paper we present linear time and space algorithms for handling video metadata that repres...
Spyros Sioutas, Kostas Tsichlas, Bill Vassiliadis,...
106
Voted
RR
2010
Springer
14 years 11 months ago
A Probabilistic Abduction Engine for Media Interpretation Based on Ontologies
For multimedia interpretation, and in particular for the combined interpretation of information coming from different modalities, a semantically well-founded formalization is requ...
Oliver Gries, Ralf Möller, Anahita Nafissi, M...
ICML
2006
IEEE
16 years 1 months ago
Dynamic topic models
A family of probabilistic time series models is developed to analyze the time evolution of topics in large document collections. The approach is to use state space models on the n...
David M. Blei, John D. Lafferty
122
Voted
ICC
2008
IEEE
142views Communications» more  ICC 2008»
15 years 7 months ago
A Comprehensive Analytical Model for IEEE 802.11e QoS Differentiation Schemes under Unsaturated Traffic Loads
Arbitrary Inter-frame Space (AIFS), Contention Window (CW) and Transmission Opportunity (TXOP) are three important Quality-of-Service (QoS) differentiation schemes specified in the...
Jia Hu, Geyong Min, Michael E. Woodward, Weijia Ji...