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Emerging Directions in Database Systems and Applications
The join ordering problem is a fundamental challenge that has to be solved by any query optimizer. Since the high-performance RDF systems are often implemented as triple stores (i.e., they represent RDF data as a single table with three attributes, at least conceptually), the query optimization strategies employed by such systems are often adopted from relational query optimization. In this paper we show that the techniques borrowed from traditional SQL query optimization (such as Dynamicdoi:10.1201/b16859-8 fatcat:xu6mdl3uvnhmzcvzdbap2i2eiq