Sciweavers

3888 search results - page 376 / 778
» Change-Driven Model Transformations
Sort
View
DAWAK
2009
Springer
15 years 4 months ago
Towards a Modernization Process for Secure Data Warehouses
Data Warehouses (DW) manage crucial enterprise information used for the decision making process which has to be protected from unauthorized accesses. However, security constraints ...
Carlos Blanco, Ricardo Pérez-Castillo, Arnu...
EMNLP
2009
15 years 4 months ago
Nested Named Entity Recognition
Many named entities contain other named entities inside them. Despite this fact, the field of named entity recognition has almost entirely ignored nested named entity recognition,...
Jenny Rose Finkel, Christopher D. Manning
CVPR
2011
IEEE
15 years 3 months ago
A Theory of Multi-perspective Defocusing
We present a novel theory for characterizing defocus blurs in multi-perspective cameras such as catadioptric mirrors. Our approach studies how multi-perspective ray geometry trans...
Yuanyuan Ding, Jingyi Yu
PPOPP
2011
ACM
14 years 9 months ago
ScalaExtrap: trace-based communication extrapolation for spmd programs
Performance modeling for scientific applications is important for assessing potential application performance and systems procurement in high-performance computing (HPC). Recent ...
Xing Wu, Frank Mueller
AAAI
2011
14 years 6 months ago
An Online Spectral Learning Algorithm for Partially Observable Nonlinear Dynamical Systems
Recently, a number of researchers have proposed spectral algorithms for learning models of dynamical systems—for example, Hidden Markov Models (HMMs), Partially Observable Marko...
Byron Boots, Geoffrey J. Gordon