Probabilistic logic encoding of spatial domains
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Data
2010-07-20
Autores
Paulo Santos
HUMMEL, B.
FENELON, V.
COZMAN, F. G.
HUMMEL, B.
FENELON, V.
COZMAN, F. G.
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CEUR Workshop Proceedings
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SANTOS, P.; HUMMEL, B.; FENELON, V.; COZMAN, F. G. Probabilistic logic encoding of spatial domains. CEUR Workshop Proceedings, v. 613, jul. 2010.
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This paper presents a formalisation of a spatial domain in terms of a qualitative spatial reasoning formalism, encoded in a probabilistic description logic. The QSR formalism chosen is a subset of a cardinal direction calculus and the probabilistic description logic used has the relational structures of the well-known ALC language, allied with the inference methods of Bayesian Networks. We consider a scenario consisting of a road navigated by an experimental vehicle equipped with three on-board sensors: A digital map, a GPS and a video camera. This paper presents experiments where the proposed formalism is used to answer queries about driving directions, lanes and vehicles.