Abstract. An increasing number of RDF datasets is published on the Web. A user willing to use these datasets will first have to explore them in order to determine which information is relevant for his specific needs. To facilitate this exploration, we present an approach allowing to provide a thematic view of a given RDF dataset, making it easier to target the relevant resources and properties. Our approach combines a density-based graph clustering algorithm with semantic criteria in order to identify clusters, each one corresponding to a theme. Prior to clustering, the initial RDF graph is simplified, and user preferences are mapped into a set of transformations applied to the graph. Once the clusters are identified, labels are extracted to express their semantics. In this paper, we describe the main features of our approach to generate a set of themes from an RDF dataset.
Abstract. An increasing number of RDF datasets is published on the Web. A user willing to use these datasets will first have to explore them in order to determine which information is relevant for his own needs. To facilitate this exploration, we present a system which provides a thematic view of a given RDF dataset, making it easier to target the relevant resources and properties. Our system combines a density-based graph clustering algorithm with semantic clustering criteria in order to identify clusters, each one corresponding to a theme. In this paper, we will give an overview of our approach for theme identification and we will present our system along with a scenario illustrating its main features.
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