Cyclpedia

Image via Wikipedia By popular demand, and also because we've always liked the idea of a Wikipedia with articles computers can understand, we've just added a large number of links from OpenCyc to Wikipedia. In the past, this sort of thing has been a tedious, manual process, or has relied only on concept names, making a high-error rate unavoidable. Fortunately, Olena Medelyan and Catherine Legg, of the University of Waikato in New Zealand have been working on automating the process, making use of the background knowledge in Cyc to improve accuracy. They produced three sets of mappings with different coverage vs. accuracy trade-offs. We chose the moderately accurate mapping that included more than 42000 concepts. Here's a link to the full paper that describes what what they did, and what we used.

We especially like the fact that they called Cyc the "Rolls Royce of formal ontologies"!

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