Sciweavers

1883 search results - page 306 / 377
» Ordered theta graphs
Sort
View
JCDL
2009
ACM
127views Education» more  JCDL 2009»
14 years 4 months ago
Finding topic trends in digital libraries
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
Levent Bolelli, Seyda Ertekin, Ding Zhou, C. Lee G...
CDC
2008
IEEE
150views Control Systems» more  CDC 2008»
14 years 4 months ago
On frame and orientation localization for relative sensing networks
We develop a novel localization theory for planar networks of nodes that measure each other’s relative position, i.e., we assume that nodes do not have the ability to perform me...
Giulia Piova, Iman Shames, Baris Fidan, Francesco ...
CLUSTER
2008
IEEE
14 years 4 months ago
Redistribution aware two-step scheduling for mixed-parallel applications
— Applications raising in many scientific fields exhibit both data and task parallelism that have to be exploited efficiently. A classic approach is to structure those applica...
Sascha Hunold, Thomas Rauber, Frédér...
CW
2008
IEEE
14 years 4 months ago
Keyframe Based Video Object Deformation
—This paper proposes a keyframe-based video object editing scheme for automatic object shape deformation. Except for object segmentation, several technologies are developed in th...
Yanlin Weng, Weiwei Xu, Shichao Hu, Jun Zhang, Bai...
FOCS
2008
IEEE
14 years 4 months ago
Submodular Approximation: Sampling-based Algorithms and Lower Bounds
We introduce several generalizations of classical computer science problems obtained by replacing simpler objective functions with general submodular functions. The new problems i...
Zoya Svitkina, Lisa Fleischer