Intention Recognition With ProbLog

Gary B. Smith*, Vaishak Belle, Ronald P. A. Petrick

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In many scenarios where robots or autonomous systems may be deployed, the capacity to infer and reason about the intentions of other agents can improve the performance or utility of the system. For example, a smart home or assisted living facility is better able to select assistive services to deploy if it understands the goals of the occupants in advance. In this article, we present a framework for reasoning about intentions using probabilistic logic programming. We employ ProbLog, a probabilistic extension to Prolog, to infer the most probable intention given observations of the actions of the agent and sensor readings of important aspects of the environment. We evaluated our model on a domain modeling a smart home. The model achieved 0.75 accuracy at full observability. The model was robust to reduced observability.
Original languageEnglish
Article number806262
Pages (from-to)806262
Number of pages12
JournalFrontiers in Artificial Intelligence
Volume5
DOIs
Publication statusPublished - 22 Apr 2022

Keywords

  • intention recognition
  • goal recognition
  • Probabilistic logic programming
  • smart home
  • assisted living at home

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