作者: Georgios Petasis , Vangelis Karkaletsis , Georgios Paliouras , Anastasia Krithara , Elias Zavitsanos
DOI: 10.1007/978-3-642-20795-2_6
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摘要: Ontology learning is the process of acquiring (constructing or integrating) an ontology (semi-) automatically. Being a knowledge acquisition task, it complex activity, which becomes even more in context BOEMIE project1, due to management multimedia resources and multi-modal semantic interpretation that they require. The purpose this chapter present survey most relevant methods, techniques tools used for task learning. Adopting practical perspective, overview main activities involved presented. This breakdown as basis comparative analysis existing approaches. comparison done along dimensions emphasize particular interests project. In context, treated compared state art, explaining how addresses problems observed systems contributes issues are not frequently considered by