Sciweavers

4560 search results - page 562 / 912
» Finding Data in the Neighborhood
Sort
View
IJWBC
2010
97views more  IJWBC 2010»
15 years 5 months ago
Managing viable virtual communities: an exploratory case study and explanatory model
: Virtual communities play an important part in enabling people with common interests to interact with each other. Current research mostly focuses on the aspects of social interact...
Christoph Rosenkranz, Christoph Feddersen
ACL
2010
15 years 4 months ago
Experiments in Graph-Based Semi-Supervised Learning Methods for Class-Instance Acquisition
Graph-based semi-supervised learning (SSL) algorithms have been successfully used to extract class-instance pairs from large unstructured and structured text collections. However,...
Partha Pratim Talukdar, Fernando Pereira
BMVC
2010
15 years 4 months ago
Motion Coherent Tracking with Multi-label MRF optimization
We present a novel off-line algorithm for target segmentation and tracking in video. In our approach, video data is represented by a multi-label Markov Random Field model, and seg...
David Tsai, Matthew Flagg, James M. Rehg
COLT
2010
Springer
15 years 4 months ago
Adaptive Subgradient Methods for Online Learning and Stochastic Optimization
We present a new family of subgradient methods that dynamically incorporate knowledge of the geometry of the data observed in earlier iterations to perform more informative gradie...
John Duchi, Elad Hazan, Yoram Singer
DIS
2010
Springer
15 years 4 months ago
Sparse Substring Pattern Set Discovery Using Linear Programming Boosting
In this paper, we consider finding a small set of substring patterns which classifies the given documents well. We formulate the problem as 1 norm soft margin optimization problem ...
Kazuaki Kashihara, Kohei Hatano, Hideo Bannai, Mas...