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Query execution using link-traversal is a promising approach for retrieving and accessing data on the web. However, this approach finds its limitation when it comes to query patterns such as ?s rdf:type ex:Employee, where one does not know the subject URI. Such queries are quite useful for different application needs. In this paper, we conduct an empirical analysis on the use of such patterns in SPARQL query logs. We present different solution approaches to extend the current Linked Open Datadblp:conf/www/ScheglmannS14 fatcat:bennuhkfirfn7gr5chpmsvydqa