1531 search results - page 193 / 307 » Identifying Topics by Position |
COCOA
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. We study the complexity of several coloring problems on graphs, parameterized by the treewidth t of the graph: (1) The list chromatic number χl(G) of a graph G is defin...
SEMWEB
2007
Springer
14 years 2 months ago
2007
Springer
Following and understanding discussions on mailing lists is a prevalent task for executives and policy makers in order to get an impression of one’s company image. However, exist...
PARELEC
2006
IEEE
14 years 2 months ago
2006
IEEE
Usually, theories of surface growth are based on the study of global processes without taking in account the local behaviour of atoms. We have implemented two Montecarlo simulation...
ARCS
2005
Springer
14 years 1 months ago
2005
Springer
We propose an active vision system for object acquisition. The core of our approach is a reinforcement learning module which learns a strategy to scan an object. The agent moves a...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...