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» Application portals: practice and experience
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DLOG
2011
12 years 11 months ago
Repairing Incomplete Reasoners
Abstract. The pressing need for scalable query answering has motivated the development of many incomplete ontology-based reasoners. Improving the completeness of such systems witho...
Giorgos Stoilos, Bernardo Cuenca Grau
ICANN
2011
Springer
12 years 11 months ago
Semi-supervised Learning for WLAN Positioning
Currently the most accurate WLAN positioning systems are based on the fingerprinting approach, where a “radio map” is constructed by modeling how the signal strength measureme...
Teemu Pulkkinen, Teemu Roos, Petri Myllymäki
ICASSP
2011
IEEE
12 years 11 months ago
Clustering of bootstrapped acoustic model with full covariance
HMM-based acoustic models built from bootstrap are generally very large, especially when full covariance matrices are used for Gaussians. Therefore, clustering is needed to compac...
Xin Chen, Xiaodong Cui, Jian Xue, Peder Olsen, Joh...
TOG
2012
298views Communications» more  TOG 2012»
11 years 10 months ago
Tensor displays: compressive light field synthesis using multilayer displays with directional backlighting
We introduce tensor displays: a family of compressive light field displays comprising all architectures employing a stack of timemultiplexed, light-attenuating layers illuminated...
Gordon Wetzstein, Douglas Lanman, Matthew Hirsch, ...
KDD
2012
ACM
178views Data Mining» more  KDD 2012»
11 years 10 months ago
Mining event periodicity from incomplete observations
Advanced technology in GPS and sensors enables us to track physical events, such as human movements and facility usage. Periodicity analysis from the recorded data is an important...
Zhenhui Li, Jingjing Wang, Jiawei Han