Organizers

QUWEDA

Dr. Muhammad Saleem

University of Leipzig, Germany,

saleem@informatik.uni-leipzig.de

Muhammad Saleem obtained his PhD in Computer Science from AKSW, University of Leipzig. His research interests include SPARQL query processing and benchmarking, federated SPARQL query optimization and source selection, Linked Data summaries, and top-k query processing. He was a co-organizer of the QuWeDa 2017 , QuWeDa 2018 , QuWeDa 2019, QuWeDa 2020, and QuWeDa2021. He presented tutorials on SPARQL query processing benchmarks at ISWC2016 and federated SPARQL query processing at ISWC2015. He is an active members of more than a dozen programme committees. He is now a unit leader (Data Storage and Querying DSQ), Postdoctoral researcher at AKSW, University of Leipzig.

Prof. Dr. Axel-Cyrille Ngonga Ngomo

University of Paderborn, Germany,

axel.ngonga@upb.de

Axel Ngonga leads the Agile Knowledge Engineering and Semantic Web research group. His research interests revolve around Semantic Web technologies, especially link discovery, federated queries, machine learning and natural-language processing. Axel (co-)authored more than 100 reviewed publications, has developed/led the development of several widely used frameworks such as LIMES, FOX and GERBIL. In addition, he has received manifold awards including best (student) research paper awards at CiCLING 2008, ISWC 2011 and 2014 as well as ESWC 2013 and 2014. He has also won several challenges such as the I’Challenge 2013 and the Big Data Challenge at ISWC 2013. Axel has given university lectures on Semantic Web and Information Retrieval/Text Mining.