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An Ontology for User Support in The Materials Microcharacterization Collaboratory Line

We describe the experience of building an ontology for use in an agent-based system in support of the Materials Microcharacterization Collaboratory (MMC). The ontology expresses facts related to users of scientific instrumentation such as electronic microscopes and a neutron-beam line. The users, experts and types of experiments are also described. The Zeus Agent Toolkit ontology editor was used.