Zeitschrift Journal on Data Semantics Ausgabe 2/2015 Twelfth International Conference on Ontologies, Databases, and Applications of Semantics Inhaltsverzeichnis ( 5 Artikel ) 01.06.2015 | Editorial | Ausgabe 2/2015 Special Issue on: Twelfth International Conference on Ontologies, Databases, and Applications of Semantics Dejing Dou, Pieter De Leenheer 01.06.2015 | Original Article | Ausgabe 2/2015 Preference-Based Query Answering in Probabilistic Datalog+/– Ontologies Thomas Lukasiewicz, Maria Vanina Martinez, Gerardo I. Simari, Oana Tifrea-Marciuska 01.06.2015 | Original Article | Ausgabe 2/2015 Efficient Projection of Ontologies Julius Köpke, Johann Eder, Michaela Schicho 01.06.2015 | Original Article | Ausgabe 2/2015 Analysis and Prediction of User Editing Patterns in Ontology Development Projects Hao Wang, Tania Tudorache, Dejing Dou, Natalya F. Noy, Mark A. Musen 01.06.2015 | Original Article | Ausgabe 2/2015 Ontology-Based Information Extraction: Identifying Eligible Patients for Clinical Trials in Neurology Peter Geibel, Martin Trautwein, Hebun Erdur, Lothar Zimmermann, Kati Jegzentis, Michaela Bengner, Christian Hans Nolte, Thomas Tolxdorff