Dipl.-Inf. Stefan Werner

- Wissenschaftlicher Mitarbeiter -

 

Institut für Informationssysteme
Universität zu Lübeck
Ratzeburger Allee 160 ( Gebäude 64 - 2.OG )
D-23562 Lübeck

Telefon : +49 451 3101 5714
Fax : +49 451 3101 5704
E-Mail : Öffnet ein Fenster zum Versenden einer E-Mail E-Mail an Stefan Werner (S/MIME)
 
 

Curriculum Vitae

Forschungsinteressen

  • FPGAs / Reconfigurable Computing
  • Multianfragen-Optimierung
  • Semantic Web (Indexgenerierung, Anfrageverarbeitung)
  • Verteilte Algorithmen in Sensornetzen

Publikationen

2017

  • Christopher Blochwitz, Julian Wolff, Jan Moritz Joseph, Stefan Werner, Dennis Heinrich, Sven Groppe, Thilo Pionteck: Hardware-Accelerated Radix-Tree Based String Sorting for Big Data Applications
    in: Architecture of Computing Systems (ARCS 2017) - 30th International Conference, 2017, 3.-6. April, Vienna, Austria, LNCS, Vol.10172, p.47-58
    Website BibTeX
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2016

  • Stefan Werner, Dennis Heinrich, Sven Groppe, Christopher Blochwitz, Thilo Pionteck: Runtime Adaptive Hybrid Query Engine based on FPGAs
    in: Open Journal of Databases (OJDB), 2016, Vol.3, (1), p.21-41
    Website BibTeX
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2015

  • Sven Groppe, Dennis Heinrich, Stefan Werner: Distributed Join Approaches for W3C-Conform SPARQL Endpoints
    in: Open Journal of Semantic Web (OJSW), 2015, Vol.2, (1), p.30-52
    Website BibTeX
  • Rico Backasch, Gerald Hempel, Thilo Pionteck, Sven Groppe, Stefan Werner: An Architectural Template for Composing Application Specific Datapaths at Runtime
    in: International Conference on ReConFigurable Computing and FPGAs (ReConFig), 2015, December 7 - 9, Cancun, Mexico
    BibTeX
  • Christopher Blochwitz, Jan Moritz Joseph, Thilo Pionteck, Rico Backasch, Stefan Werner, Dennis Heinrich, Sven Groppe: An optimized Radix-Tree for hardware-accelerated index generation for Semantic Web Databases
    in: International Conference on ReConFigurable Computing and FPGAs (ReConFig), 2015, December 7 - 9, Cancun, Mexico
    BibTeX
  • Sven Groppe, Dennis Heinrich, Stefan Werner, Christopher Blochwitz, Thilo Pionteck: PatTrieSort - External String Sorting based on Patricia Tries
    in: Open Journal of Databases (OJDB), 2015, Vol.2, (1), p.36-50
    Website BibTeX
  • Stefan Werner, Dennis Heinrich, Jannik Piper, Sven Groppe, Rico Backasch, Christopher Blochwitz, Thilo Pionteck: Automated Composition and Execution of Hardware-accelerated Operator Graphs
    in: Proceedings of the 10th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC 2015), 2015, June 29 - July 1, IEEE, Bremen, Germany
    DOI BibTeX
  • Dennis Heinrich, Stefan Werner, Marc Stelzner, Christopher Blochwitz, Thilo Pionteck, Sven Groppe: Hybrid FPGA Approach for a B+ Tree in a Semantic Web Database System
    in: Proceedings of the 10th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC 2015), 2015, June 29 - July 1, IEEE, Bremen, Germany
    BibTeX
  • Stefan Werner, Dennis Heinrich, Marc Stelzner, Volker Linnemann, Thilo Pionteck, Sven Groppe: Accelerated join evaluation in Semantic Web databases by using FPGAs
    in: Concurrency and Computation: Practice and Experience, 2015, May 18, Vol.28, (7), p.2031-2051
    DOI BibTeX
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2014

  • Rico Backasch, Gerald Hempel, Sven Groppe, Stefan Werner, Thilo Pionteck: Identifying Homogenous Reconfigurable Regions in Heterogeneous FPGAs for Module Relocation
    in: International Conference on ReConFigurable Computing and FPGAs (ReConFig), 2014, December 8 - 10, Cancun, Mexico
    BibTeX
  • Sven Groppe, Johannes Blume, Dennis Heinrich, Stefan Werner: A Self-Optimizing Cloud Computing System for Distributed Storage and Processing of Semantic Web Data
    in: Open Journal of Cloud Computing (OJCC), 2014, Vol.1, (2), p.1-14
    Website BibTeX
  • Sven Groppe, Thomas Kiencke, Stefan Werner, Dennis Heinrich, Marc Stelzner, Le Gruenwald: P-LUPOSDATE: Using Precomputed Bloom Filters to Speed Up SPARQL Processing in the Cloud
    in: Open Journal of Semantic Web (OJSW), 2014, Vol.1, (2), p.25-55
    Website BibTeX
  • Stefan Werner, Dennis Heinrich, Marc Stelzner, Sven Groppe, Rico Backasch, Thilo Pionteck: Parallel and Pipelined Filter Operator for Hardware-Accelerated Operator Graphs in Semantic Web Databases
    in: Proceedings of the 14th IEEE International Conference on Computer and Information Technology (CIT 2014), 2014, September 11 - 13, IEEE, Xi´an, China, Copyright: IEEE
    DOI BibTeX
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2013

  • Stefan Werner, Sven Groppe, Volker Linnemann, Thilo Pionteck: Hardware-accelerated Join Processing in Large Semantic Web Databases with FPGAs
    in: Proceedings of the 2013 International Conference on High Performance Computing & Simulation (HPCS 2013), 2013, July 1 - 5, IEEE, Helsinki, Finland, p.131 - 138, Copyright: IEEE
    DOI BibTeX
  • Sven Groppe, Björn Schütt, Stefan Werner: Eliminating the XML Overhead in Embedded XML Languages
    in: Proceedings of the 28th ACM Symposium on Applied Computing (ACM SAC 2013), 2013, March 18 - 22, ACM, Coimbra, Portugal, Copyright: ACM
    BibTeX
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2011

  • Sven Groppe, Jinghua Groppe, Stefan Werner, Matthias Samsel, Florian Kalis, Kristina Fell, Peter Kliesch, Markus Naklah: Using a Streaming SPARQL Evaluator for Monitoring eBay Auctions
    in: International Journal of Web Applications (IJWA), 2011, Vol.3, (4), p.166-178, Copyright: dline
    Website BibTeX
  • Stefan Werner, Christoph Reinke, Sven Groppe, Volker Linnemann: Adaptive Service Migration in Wireless Sensor Networks
    in: Proceedings of the 12th International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT-2011), 2011, October 20 - 22, CPS, Gwangju, Korea, p.334-341, Copyright: IEEE
    DOI BibTeX
  • Sven Groppe, Jinghua Groppe, Stefan Werner, Matthias Samsel, Florian Kalis, Kristina Fell, Peter Kliesch, Markus Nakhlah: Monitoring eBay Auctions by querying RDF Streams
    in: Proceedings of the Sixth International Conference on Digital Information Management (ICDIM 2011), 2011, September 26 - 28, CPS, Trinity College, The University of Melbourne, Australia, p.223-228, Copyright: IEEE
    DOI BibTeX
  • Christoph Reinke, Nils Hoeller, Stefan Werner, Sven Groppe, Volker Linnemann: Analysis and Comparison of Concurrency Control Protocols for Wireless Sensor Networks
    in: Proceedings of the 3rd International Workshop on Performance Control in Wireless Sensor Networks (PWSN 2011) in conjunction with the 7th IEEE International Conference on Distributed Computing in Sensor Systems (IEEE DCOSS 11), 2011, June 29, IEEE, Barcelona, Spain, p.1-6, Copyright: IEEE
    DOI BibTeX
  • Christoph Reinke, Nils Hoeller, Stefan Werner, Sven Groppe, Volker Linnemann: Consistent Service Migration in Wireless Sensor Networks
    in: Proceedings of the 2011 International Conference on Wireless and Optical Communications (ICWOC 2011 - including ICIME 2011), 2011, May 21 - 22, IEEE, Zhengzhou, China, p.278-285, Copyright: IEEE
    BibTeX
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