Traditionally performance support and e-Learning have been considered as two separate research fields. This paper integrates them by introducing the concept of context-aware product support systems, which utilizes the notions of context, information object and ontology. The context signifies whether learning or performing goals are pursued in different situations and defines the configuration of the domain knowledge accordingly. An information object is viewed as an enabler of a modular virtual documentation, advancing information reuse. The ontology formalizes the representation of the knowledge contained in the system, facilitates interoperability, and constitutes one of the main building blocks of context-aware product support systems. The prototype system developed illustrates the applicability of the approach.
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