197 search results - page 2 / 40 » Answering complex questions with random walk models |
SODA
2008
ACM
13 years 10 months ago
2008
ACM
Jim Propp's rotor router model is a deterministic analogue of a random walk on a graph. Instead of distributing chips randomly, each vertex serves its neighbors in a fixed or...
EMNLP
2007
13 years 10 months ago
2007
Many systems for tasks such as question answering, multi-document summarization, and information retrieval need robust numerical measures of lexical relatedness. Standard thesauru...
CORR
2012
Springer
12 years 4 months ago
2012
Springer
Graphs are fundamental data structures and have been employed for centuries to model real-world systems and phenomena. Random walk with restart (RWR) provides a good proximity sco...
AAAI
2004
13 years 10 months ago
2004
From a computational perspective, there is a close connection between various probabilistic reasoning tasks and the problem of counting or sampling satisfying assignments of a pro...
SYNTHESE
2008
13 years 8 months ago
2008
Models carry the meaning of science. This puts a tremendous burden on the process of model selection. In general practice, models are selected on the basis of their relative goodne...