First-order Probabilistic Inference Revisited

Braz, Rodrigo de Salvo; Roth, Dan; Amir, Eyal

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https://hdl.handle.net/2142/10817 Copy

Description

Title

First-order Probabilistic Inference Revisited

Author(s)

• Braz, Rodrigo de Salvo
• Roth, Dan
• Amir, Eyal

Issue Date

2004-06

Keyword(s)

Artificial Intelligence

Date of Ingest

2009-04-14T21:13:45Z

Abstract

Following ideas in Poole~\poole, which we correct, formalize and extend, this paper presents the first provable algorithm for reasoning with probabilistic first-order representations at the {\em lifted} level. Specifically, the algorithm automates the process of probabilistic reasoning about populations of individuals, their properties and the relations between them, without the need to ground the probabilistic knowledge base. The algorithm makes use of unification to guide an interleaving of variable ordering and first-order variable elimination. Importantly, our contribution includes the formalization of concepts necessary to reason about the algorithm's correctness and its correctness proof.

Type of Resource

text

Genre of Resource

Technical Report

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http://hdl.handle.net/2142/10817

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