Media type: E-Article Title: The Semantic Web – ISWC 2014: Sempala: Interactive SPARQL Query Processing on Hadoop Contributor: Schätzle, Alexander; Przyjaciel-Zablocki, Martin; Neu, Antony; Lausen, Georg imprint: Springer International Publishing, 2014 Published in: The Semantic Web – ISWC 2014 Language: Not determined DOI: 10.1007/978-3-319-11964-9_11 ISSN: 0302-9743; 1611-3349 Origination: Footnote: