Michael Gertz Author & Editor

Jannik Strötgen is a postdoctoral researcher at the Max Planck Institute for Informatics in Saarbrucken, Germany. He studied computational linguistics and economics at Heidelberg University, Germany and received his Magister Artium in 2009. Between 2009 and 2015, he worked as a research assistant at the Computer Science department in Heidelberg. In March 2015, he defended his Ph.D. thesis, in which he worked on temporal, geographic, and event-centric information extraction and retrieval supervised by Prof. Dr. Michael Gertz. In the context of his thesis, the domain-sensitive and multilingual temporal tagger HeidelTime has been developed. It was made publicly available and is constantly improved.Michael Gertz is a full professor at Heidelberg University where he heads the database systems group at the faculty of Mathematics and Computer Science. He received his diploma in Computer Science from the University of Dortmund, Germany, and his Ph.D. from the University of Hanover, Germany, in 1996. From 1997 until 2008 he was on the faculty at the University of California at Davis. He currently serves on the editorial board of the ACM Transactions on Spatial Algorithms and Systems, and he is an associate editor of the ACM Journal on Data and Information Quality. His research interests include the management and analysis of temporal, spatial, and spatio-temporal data, data mining, text mining, and social network analysis.