Wedescribe a knowledgeengineeringapproachby which conceptualknowledgeis extractedfroman informal,semanticallyweakmedicalthesaurus(UMLS)and automatically convertedinto a formallyso...
This article describes a sketch-based framework for semi-automatic annotation of historical document collections. It is motivated by the fact that fully automatic methods, while h...
To ensure access to growing video collections, annotation is becoming more and more important. Using background knowledge in the form of ontologies or thesauri is a way to facilit...
Acquiring knowledge has long been the major bottleneck preventing the rapid spread of AI systems. Manual approaches are slow and costly. Machine-learning approaches have limitatio...