712 search results - page 41 / 143 » A mixture model for random graphs |
IM
2008
13 years 10 months ago
2008
We analyze the structure of random graphs generated by the geographical threshold model. The model is a generalization of random geometric graphs. Nodes are distributed in space, a...
ML
2010
ACM
13 years 8 months ago
2010
ACM
Scientific literature with rich metadata can be represented as a labeled directed graph. This graph representation enables a number of scientific tasks such as ad hoc retrieval o...
JMLR
2012
12 years 21 days ago
2012
One approach to modeling structured discrete data is to describe the probability of states via an energy function and Gibbs distribution. A recurring difficulty in these models is...
ENTCS
2008
13 years 10 months ago
2008
This paper describes a set of methods for randomly drawing traces in large models either uniformly among all traces, or with a coverage criterion as target. Classical random walk ...
SIGIR
2006
ACM
14 years 4 months ago
2006
ACM
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...