2004-04-30 2004-04-30 Benjamin Ashpole, bashpole@atl.lmco.com Todd Hughes, thughes@atl.lmco.com en Lockheed Martin Advanced Technology Laboratories Ontology of Ontology Alignment Ontology of Ontology Alignment 0.0.1 An Alignment, embedded in an Alignment File, states that a class, property, or instance from one ontology maps to a class, property, or instance in another ontology. The alignment is declared using the elementA and elementB properties. Alignment Files are the standard output for ontology alignment experiments. These files contain references to the Alignments (see below) that state term mappings between ontologies. Alignment Files provide the data necessary for evaluating the performance of ontology aligners. A property relating an Alignment with a value between 0 and 1 that indicates the probability that the alignment is true, in the opinion of the aligner. A property relating an Alignment to a class, property, or instance from the inputA of an alignment experiment. A property relating an Alignment to a class, property, or instance from the inputB of an alignment experiment.