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» Experiences with an icon-like expression evaluation system
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PASTE
2010
ACM
13 years 6 months ago
Packrat parsers can handle practical grammars in mostly constant space
Packrat parsing is a powerful parsing algorithm presented by Ford in 2002. Packrat parsers can handle complicated grammars and recursive structures in lexical elements more easily...
Kota Mizushima, Atusi Maeda, Yoshinori Yamaguchi
SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
14 years 4 months ago
Efficient exploitation of similar subexpressions for query processing
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
Jingren Zhou, Johann Christoph Freytag, Per-Å...
ICDE
2009
IEEE
133views Database» more  ICDE 2009»
13 years 11 months ago
STAR: Steiner-Tree Approximation in Relationship Graphs
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...
Gjergji Kasneci, Maya Ramanath, Mauro Sozio, Fabia...
FGR
2002
IEEE
197views Biometrics» more  FGR 2002»
13 years 9 months ago
Robust Full-Motion Recovery of Head by Dynamic Templates and Re-Registration Techniques
This paper presents a method to recover the full-motion (3 rotations and 3 translations) of the head from an input video using a cylindrical head model. Given an initial reference...
Jing Xiao, Takeo Kanade, Jeffrey F. Cohn
CVPR
2011
IEEE
13 years 27 days ago
Real Time Head Pose Estimation with Random Regression Forests
Fast and reliable algorithms for estimating the head pose are essential for many applications and higher-level face analysis tasks. We address the problem of head pose estimation ...
Gabriele Fanelli, Juergen Gall, Luc VanGool