The concept of Linked Open Data and the promise of the Web of Data have been around for over a decade now. Yet, the great potential of free access to a broad range of data that these technologies offer has not yet been fully exploited. This talk will therefore review the current state of the art, highlight the main challenges from a query processing perspective, and sketch potential ways on how to solve them.
The timbr SQL Semantic Knowledge Platform enables creation of virtual knowledge graphs in SQL. The DBpedia version of timbr supports query of DBpedia in SQL and seamless integration of DBpedia data into data warehouses and data lakes.