Alexander Hogenboom Viorel Milea Flavius Frasincar Uzay Kaymak RCQ-GA: RDF Chain Query Optimization Using Genetic Algorithms. 181-192 2009 EC-Web http://dx.doi.org/10.1007/978-3-642-03964-5_18 conf/ecweb/2009 db/conf/ecweb/ecweb2009.html#HogenboomMFK09