Representing and Reasoning over Time in a Unified Cognitive Architecture


Most cognitive architectures have an implicit representation of time. As a result, reasoning about specific temporal relationships among events is typically beyond their capability. In this paper, we describe an extension of the \textsc{Icarus} architecture to include an episodic belief memory, an explicit representation of temporal relationships, and associated reasoning processes. We then demonstrate the ensuing reasoning capabilities on a task that involves recognizing football plays. Finally, we discuss the implications of our temporal representation and reasoning mechanisms for the larger architecture.

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