Toward a situation model in a cognitive architecture

Stuart M. Rodgers (), Christopher W. Myers (), Jerry Ball () and Mary D. Freiman ()
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Stuart M. Rodgers: AGS Analytics LLC
Christopher W. Myers: Air Force Research Laboratory
Jerry Ball: Air Force Research Laboratory
Mary D. Freiman: L-3 Communications Corporation

Computational and Mathematical Organization Theory, 2013, vol. 19, issue 3, No 3, 313-345

Abstract: Abstract The ability to coherently represent information that is situationally relevant is vitally important to perform any complex task, especially when that task involves coordinating with team members. This paper introduces an approach to dynamically represent situation information within the ACT-R cognitive architecture in the context of a synthetic teammate project. The situation model represents the synthetic teammate’s mental model of the objects, events, actions, and relationships encountered in a complex task simulation. The situation model grounds textual information from the language analysis component into knowledge usable by the agent-environment interaction component. The situation model is a key component of the synthetic teammate as it provides the primary interface between arguably distinct cognitive processes modeled within the synthetic teammate (e.g., language processing and interactions with the task environment). This work has provided some evidence that reasoning about complex situations requires more than simple mental representations and requires mental processes involving multiple steps. Additionally, the work has revealed an initial method for reasoning across the various dimensions of situations. One purpose of the research is to demonstrate that this approach to implementing a situation model provides a robust capability to handle tasks in which an agent must construct a mental model from textual information, reason about complex relationships between objects, events, and actions in its environment, and appropriately communicate with task participants using natural language. In this paper we describe an approach for modeling situationally relevant information, provide a detailed example, discuss challenges faced, and present research plans for the situation model.

Keywords: Synthetic teammate; Situation model; Mental model; Language comprehension; Language generation; Knowledge representation; Computational cognitive model (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1007/s10588-012-9134-x

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