Quantifying the Connectivity of a Semantic Warehouse

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Provided by: Creative Commons
Topic: Data Management
Format: PDF
In many applications one has to fetch and assemble pieces of information coming from more than one SPARQL endpoints. In this paper, the authors describe the corresponding requirements and challenges, and then they present a process for constructing such a semantic warehouse. They focus on the aspects of quality and value of the warehouse, and for this reason they introduce various metrics for quantifying its connectivity, and consequently its ability to answer complex queries. They demonstrate the behavior of these metrics in the context of a real and operational semantic warehouse.
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