document: Ontalk : ontology-based personal document management system In this paper , we present our development of a document management and retrieval tool , which is named Ontalk . Our system provides a semi-automatic metadata generator and an ontology-based search engine for electronic documents . Ontalk can create or import various ontologies in RDFS or OWL for describing the metadata . Our system that is built upon . NET technology is easily communicated with or flexibly plugged into many different programs .
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