نتایج جستجو برای: Influence

تعداد نتایج: 613181  

Journal: :Decision Analysis 2005
Ronald A. Howard James E. Matheson

2011
Radu Marinescu Nic Wilson

In this paper, we develop a qualitative theory of influence diagrams that can be used to model and solve sequential decision making tasks when only qualitative (or imprecise) information is available. Our approach is based on an orderof-magnitude approximation of both probabilities and utilities and allows for specifying partially ordered preferences via sets of utility values. We also propose ...

2013
Rafael Cabañas Andrés Cano Manuel Gómez-Olmedo Anders L. Madsen

Finding an optimal elimination ordering is a NP-hard problem of crucial importance for the efficiency of the Influence Diagrams evaluation. Some of the traditional methods for determining the elimination ordering use heuristics that consider that potentials are represented as tables. However, if potentials are represented using binary trees traditional methods may not offer the best results. In...

1993
Ross D. Shachter Pierre Ndilikilikesha

The potential influence diagram is a generalization of the standard "conditional" influence diagram, a directed network representation for probabilistic inference and decision analysis [Ndilikilikesha, 1991). It allows efficient inference calculations corresponding exactly to those on undirected graphs. In this paper, we explore the relationship between potential and conditional influence diagr...

2009
Kirsten Bergmann Stefan Kopp

Expressing spatial information with iconic gestures is abundant in human communication and requires to transform a referent representation into resembling gestural form. This task is challenging as the mapping is determined by the visuo-spatial features of the referent, the overall discourse context as well as concomitant speech, and its outcome varies considerably across different speakers. We...

2016
Peggy Mok Yanjun Yin Jane Setter Noor Mat Nayan

English intonation can be difficult for L2 speakers to learn, particularly for those whose L1 intonation system works differently from English. This study investigates whether Hong Kong English (HKE) speakers whose L1 is Cantonese have knowledge of the appropriate English intonation patterns in specific contexts. Results from an intonation pattern selection tasks indicate that HKE speakers (n =...

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