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Hypothesis Discrimination with Abstractions based on Observation and Action Costs
 

Summary: Hypothesis Discrimination with Abstractions
based on Observation and Action Costs
Gianluca Torta1
, Daniele Theseider Dupr┤e2
, Luca Anselma1
(1) Universit`a di Torino, Italy, email: {torta,anselma}@di.unito.it
(2) Universit`a del Piemonte Orientale, Italy, email: dtd@mfn.unipmn.it
Abstract
Several explanation and interpretation tasks, such
as diagnosis, plan recognition and image interpre-
tation, can be formalized as abductive and consis-
tency reasoning. Some proposals address the prob-
lem based on a task-independent representation of
a domain which includes an ontology or taxonomy
of hypotheses. In this paper we rely on the same
type of representation, and we address cost trade-
offs in abduction intended as an iterative process
where, like in model-based diagnosis, further ob-
servations are proposed to discriminate among can-
didates. Discrimination is performed up to an ap-

  

Source: Anselma, Luca - Dipartimento di Informatica, UniversitÓ di Torino

 

Collections: Computer Technologies and Information Sciences