A Belief-Function Logic
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A Belief-Function Logic
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| Id. |
41452152 |
| Idioma |
inglés
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| Titulo |
A Belief-Function Logic |
| Autor(es) |
Alessandro Saffiotti
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| Localización |
http://citeseer.ist.psu.edu/18180.html
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
We present BFL, a hybrid logic for representing uncertain
knowledge. BFL attaches a quantified notion of belief ---
based on Dempster-Shafer's theory of belief functions ---
to classical first-order logic. The language of BFL is composed
of objects of the form F:[a,b], where F is a firstorder
sentence, and a and b are numbers in the [0,1]
interval (with ab). Intuitively, a measures the strength of
our belief in the truth of F, and (1--b) that in its falseness. A
number of properties of first-order logic nicely generalize
to BFL; in return, BFL gives us a new perspective on some
important points of Dempster-Shafer theory (e.g., the role
of Dempster's combination rule).
Introduction
Logic plays a central role in the task of representing knowledge
in artificial intelligence. Much of logical tradition is concerned
with two-valued logics, i.e. logics in which we can
only talk about propositions being completely true or completely
false (possibly, according to a given believer). This
contr...
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| Tipo |
ps
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| Palabras clave |
Alessandro Saffiotti A Belief-Function Logic
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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unrestricted |
| Formatos |
ps
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| Requerimientos técnicos |
Browser: Any
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| Relación |
[IsBasedOn] ftp://tintin.oru.se/pub/saffiotti/uncertainty/aaai92.ps.gz
[References] oai:CiteSeerPSU:122935
[References] oai:CiteSeerPSU:18180
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| Fecha de contribución |
31-mar-2009 |
| Contacto |
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