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arXiv 2005.05712cs.AI
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不完全领域模型上的目标识别

Goal Recognition over Imperfect Domain Models

Pontifical Catholic University of Rio Grande do Sul(南里奥格兰德天主教会大学);University of Melbourne(墨尔本大学)

Ramon Fraga Pereira

摘要:

目标识别是通过观察自主智能体或人类在环境中的行为来识别其预期目标的问题。在过去的几年里,大多数现有的方法来目标和计划识别一直忽视了需要处理的不完善的领域模型,正式的环境中,自主智能体的行为。在这篇论文中,我们介绍了不完美领域模型上的目标识别问题,并提出了明确处理两种不同类型的不完美领域模型的解决方案:(1)不完全离散的领域模型,它在动作描述中有可能的,而不是已知的,前提条件和效果;以及(2)近似连续领域模型,其中过渡函数是根据过去的观测值近似的,并且不是良好定义的。我们开发了新的目标识别方法,不完善的域模型,利用和适应现有的识别方法,从文献。这两种类型的不完美域模型的实验和评估表明,我们的新的目标识别方法是准确的,从文献中的基线方法相比,在几个层次的可观察性和不完善。

英文摘要:

Goal recognition is the problem of recognizing the intended goal of autonomous agents or humans by observing their behavior in an environment. Over the past years, most existing approaches to goal and plan recognition have been ignoring the need to deal with imperfections regarding the domain model that formalizes the environment where autonomous agents behave. In this thesis, we introduce the problem of goal recognition over imperfect domain models, and develop solution approaches that explicitly deal with two distinct types of imperfect domains models: (1) incomplete discrete domain models that have possible, rather than known, preconditions and effects in action descriptions; and (2) approximate continuous domain models, where the transition function is approximated from past observations and not well-defined. We develop novel goal recognition approaches over imperfect domains models by leveraging and adapting existing recognition approaches from the literature. Experiments and evaluation over these two types of imperfect domains models show that our novel goal recognition approaches are accurate in comparison to baseline approaches from the literature, at several levels of observability and imperfections.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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