Yahya, Mohamed Databases and Information Systems, MPI for Informatics, Max Planck Society; International Max Planck Research School, MPI for Informatics, Max Planck Society;
http://scidok.sulb.uni-saarland.de/volltexte/2016/6476/ (全文テキスト(全般))
http://scidok.sulb.uni-saarland.de/doku/lic_ohne_pod.php?la=de (著作権譲渡合意書)
Yahya, M. (2016). Question Answering and Query Processing for Extended Knowledge Graphs. PhD Thesis, Universität des Saarlandes, Saarbrücken.