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» Ontology Based Analysis of Experimental Data
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HT
2009
ACM
15 years 4 months ago
Hyperincident connected components of tagging networks
Data created by social bookmarking systems can be described as 3-partite 3-uniform hypergraphs connecting documents, users, and tags (tagging networks), such that the toolbox of c...
Nicolas Neubauer, Klaus Obermayer
DASFAA
2007
IEEE
190views Database» more  DASFAA 2007»
15 years 4 months ago
Clustering Moving Objects in Spatial Networks
Advances in wireless networks and positioning technologies (e.g., GPS) have enabled new data management applications that monitor moving objects. In such new applications, realtime...
Jidong Chen, Caifeng Lai, Xiaofeng Meng, Jianliang...
SIGMOD
2008
ACM
143views Database» more  SIGMOD 2008»
15 years 10 months ago
XML query optimization in the presence of side effects
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
Giorgio Ghelli, Nicola Onose, Kristoffer Hø...
ICPR
2008
IEEE
15 years 4 months ago
Finite element modeling of facial deformation in videos for computing strain pattern
We present a finite element modeling based approach to compute strain patterns caused by facial deformation during expressions in videos. A sparse motion field computed through ...
Vasant Manohar, Matthew Shreve, Dmitry B. Goldgof,...
AINA
2007
IEEE
15 years 4 months ago
Heuristics for Improving Cryptographic Key Assignment in a Hierarchy
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
Anne V. D. M. Kayem, Patrick Martin, Selim G. Akl