Sciweavers

3708 search results - page 287 / 742
» Approximating Betweenness Centrality
Sort
View
JCPHY
2011
104views more  JCPHY 2011»
14 years 9 months ago
Gaussian beam decomposition of high frequency wave fields using expectation-maximization
A new numerical method for approximating highly oscillatory wave fields as a superposition of Gaussian beams is presented. The method estimates the number of beams and their para...
Gil Ariel, Björn Engquist, Nicolay M. Tanushe...
CORR
2006
Springer
140views Education» more  CORR 2006»
15 years 6 months ago
Nearly optimal exploration-exploitation decision thresholds
While in general trading off exploration and exploitation in reinforcement learning is hard, under some formulations relatively simple solutions exist. Optimal decision thresholds ...
Christos Dimitrakakis
BMCBI
2010
108views more  BMCBI 2010»
15 years 4 months ago
Prediction of RNA secondary structure by maximizing pseudo-expected accuracy
Background: Recent studies have revealed the importance of considering the entire distribution of possible secondary structures in RNA secondary structure predictions; therefore, ...
Michiaki Hamada, Kengo Sato, Kiyoshi Asai
SEMWEB
2005
Springer
16 years 3 days ago
RelExt: A Tool for Relation Extraction from Text in Ontology Extension
Abstract. Domain ontologies very rarely model verbs as relations holding between concepts. However, the role of the verb as a central connecting element between concepts is undenia...
Alexander Schutz, Paul Buitelaar
211
Voted
EBERNBURG
1990
15 years 10 months ago
Problems of Autonomy and Discontexturality in the Theory of Living Systems
In the theory of living systems any description of self-organizing processes is confronted by a very central problem concerning the role of the system's boundary, i.e., there...
Rudolf Kaehr, E. von Goldammer