2025 served as Program Committee Co-Chair for the 29th International Conference on Theory and Practice of Digital Libraries (TPDL'25), Tampere, Finland
2024 "Best Paper Award Honorable Mention" awarded at 28th International Conference on Theory and Practice of Digital Libraries (TPDL’24), Ljubljana, Slovenia
2024 served as Workshops & Tutorials Co-Chair for the 24th ACM/IEEE Joint Conference on Digital Libraries (JCDL'24), Hong Kong, China
2023 "Best Paper Award" awarded at 42nd International Conference on Conceptual Modeling (ER’23), Lisbon, Portugal
2023 appointed Visiting Professor funded by the MOU Grant program at the National Institute of Informatics (NII), Tokyo, Japan
2019-2025 appointed Member of the Commission of the Elite Network of Bavaria by the Bavarian State Ministry of Science and the Arts
2019 appointed Visiting Professor funded by the MOU Grant program at the National Institute of Informatics (NII), Tokyo, Japan
2019-2021 elected as Member of the Senate of Technische Universität Braunschweig, Germany
2018-2024 appointed as Member in the Committee of Inquiry on Allegations of Scientific Misconduct by the German Research Foundation (DFG)
2017-2022 served as Scientific Member in the Selection/Evaluation Panel for Helmholtz International Research Schools of Helmholtz-Gemeinschaft Deutscher Forschungszentren
2017 "Best Paper Award" awarded at 19th International Conference on Asia-Pacific Digital Libraries (ICADL’17), Bangkok, Thailand
2017-2019 elected Dean of Carl-Friedrich Gauß-Fakultät of Technische Universität Braunschweig, Germany
2016 served as Panels Chair for the 20th International Conference on Theory and Practice of Digital Libraries (TPDL'16), Hannover, Germany
2014 served as Workshops Co-Chair for the14th International Conference on Web-Age Information Management (WAIM'14), Macau, China
2013-2019 appointed as Scientific Member of the Senate Committee and DFG Grants Committee on Research Training Groups for the German Research Foundation (DFG)
2013 elected as a Member of the Academy of Europe – Academia Europaea
2013 served as Co-Chair for XLDB Europe Workshop at CERN, Geneva, Switzerland, 2013
2012 served as Proceedings Chair for the 42nd Annual Conference of the Gesellschaft für Informatik (INFOMATIK'12), Braunschweig, Germany
2012 served as Guest Editor for Vol. 12(2) "Special Issue on Information Extraction" of Springer's Datenbank-Spektrum
2012 served as Demo Co-Chair for the 17th International Conference on Database Systems for Advanced Applications (DASFAA'12), Busan, South Korea
2011-2013 elected Head of Department for the Computer Science Department of Technische Universität Braunschweig, Germany
2011 appointed as member of the Editorial Board of Springer's Datenbank-Spektrum
2011 served as Publicity Chair for 27th IEEE International Conference on Data Engineering (ICDE'11), Hannover, Germany
2011 appointed as Senior Member of the Editorial Board of Journal of Universal Computer Science (J.UCS)
2010 elected member of the Steering Committee of the Special Interest Group Databases in the German Gesellschaft für Informatik (GI)
2010 "Best Paper Award" awarded at 12th IEEE Conference on Commerce and Enterprise Computing 2010 (CEC’10), Shanghai, China
2009 appointed as member of the Editorial Board of MDPI's Future Internet
2009 appointed as member of the Advisory Board of the Faculty of Computer Science & Information Technology, University of Malaysia Sarawak (UMS), Malaysia
2009 rejected Offer of a Tenured Full Professorship (Chair for Database Systems) at University of Salzburg, Austria
2008 appointed as director of the L3S Research Center at University of Hannover, Germany
2008 accepted Offer of a Tenured Full Professorship (Chair for Databases and Information Systems) at Technical University Carolo-Wilhelmina of Braunschweig, Germany
2007 rejected Offer of a Tenured Full Professorship (Chair for Databases and Information Systems) at Ruprecht-Karls-University of Heidelberg, Germany
2007 "Best Paper Award" awarded at IEEE Conference on Research Challenges in Information Sciences 2007 (RCIS’07), Ouarzazate, Morocco
2005 "Best Paper Award" awarded by the IEEE Technical Committe on Digital Libraries at European Conference on Research and Advanced Technology for Digital Libraries 2005 (ECDL’05), Vienna, Austria
2005 elected full member of the L3S Research Center at University of Hannover, Germany.
From 2005-2008 lecturing at University of Hannover, Germany, in the field of databases and information systems
2005 appointed as associate member of the Institute of Interdisciplinary Informatics (I3) at University of Augsburg, Germany
2004 appointed as associate research director of the L3S Research Center at University of Hannover, Germany
2004-2008 second phase proposal in the "Emmy Noether Program" granted by the German Research Foundation (DFG) including funding for an entire research group for 4 years time
2003 filing of two worldwide software patents on algorithms for the cooperative discovery and personalized selection of user-centered Web services (with M. Wagner). Patents subsequently assigned to NTT DoCoMo Euro Labs
2002-2004 appointed as research fellow at the Department of Electrical Engineering and Computer Science (EECS), University of California, Berkeley, CA, USA
2002-2004 "Emmy Noether Scholarship" granted for 2 years time by the German Research Foundation (DFG)
From 2001-2002 lecturing at University of Augsburg in the field of databases and information systems
2001 "Science Award" awarded for best Ph.D. thesis 2001 by the University Foundation, University of Augsburg
2001 Ph.D. thesis "Efficient Combination of Ranked Result Sets in Multi-Feature Applications" (grade "summa cum laude") at University of Augsburg, Germany
2000 filing of a worldwide software patent on the Quick-Combine and Stream-Combine algorithms (with U. Güntzer and W. Kießling) supported by the DFG Ideenwerkstatt
1998-2001 tutoring of database courses at University of Augsburg's Computer Science Department including SQL tutorials
1998-2001 work in the interdisciplinary HERON project on the topic of digital libraries,content-based retrieval and personalization at the Chair for Databases and Information Systems Prof. Dr. Kießling, University of Augsburg
1997 interdisciplinary master's thesis in the field of digital libraries and content-based retrieval (grade "very good") at University of Augsburg, Germany
1993-1997 tutoring of calculus courses at Augsburg University Math Department
1993 internship in the Quality Assurance department at AT&T / later NCR
1991-1997 studies of mathematics at University of Augsburg, Germany. Received the degree Dipl.-Math. with grade "very good"