Publications

Selected Papers

Please find below a list of selected papers. These publications cover three mayor research areas, which we are or were working on:

You may find a complete list of Dr. Höpfner's publications including older papers and other topics at http://www.hoepfner.ws.

Energy Aware Software / Resource Substitution

  • Maximilian Schirmer and Hagen Höpfner. Software-based Energy Requirement Measurement for Smartphones. In Ursula Goltz, Marcus Magnor, Hans-Jürgen Appelrath, Herbert Matthies, Wolf-Tilo Balke, and Lars Wolf, editors, Informatik 2012 — Proceedings of the 42. annual conference of the German computer society (Gesellschaft für Informatik e.V. (GI)), Braunschweig, Germany, September 16-21, 2012, volume P-208 of Lecture Notes in Informatics (LNI) - Proceedings, pages 456–466, Bonn, Germany, 2012. Gesellschaft für Informatik. ISBN: 978-3-88579-602-2.
  • Christian Bunse and Hagen Höpfner. OCEMES: Measuring Overall and Component-based Energy Demands of Mobile and Embedded System. In Ursula Goltz, Marcus Magnor, Hans-Jürgen Appelrath, Herbert Matthies, Wolf-Tilo Balke, and Lars Wolf, editors, Informatik 2012 — Proceedings of the 42. annual conference of the German computer society (Gesellschaft für Informatik e.V. (GI)), Braunschweig, Germany, September 16-21, 2012, volume P-208 of Lecture Notes in Informatics (LNI) - Proceedings, pages 434–440, Bonn, Germany, 2012. Gesellschaft für Informatik. ISBN: 978-3-88579-602-2.
  • Hagen Höpfner, Maximilian Schirmer, and Christian Bunse. On measuring smartphones’ software energy requirements. In Slimane Hammoudi, Marten van Sinderen, and José Cordeiro, editors, Proceedings of the 7th International Conference on Software Paradigm Trends, ICSOFT 2012, Rome, Italy, July 24-27, 2012, pages 165–171, Setúbal, Portugal, 2012. INSTICC, SciTePress. ISBN: 978-989-8565-19-8.
  • Maximilian Schirmer and Hagen Höpfner. Towards Using Location Poly-Hierarchies for Energy-Efficient Continuous Location Determination. In Ingo Schmitt, Sascha Saretz, and Marcel Zierenberg, editors, Proceedings of the 24. Workshop on Foundations of Databases (Grundlagen von Datenbanken); May 29 - June 1, 2012, Lübbenau, Germany, volume 850, pages 11–16. CEUR-WS.org, 2012.
  • Hagen Höpfner and Maximilian SchirmerEnergy efficient continuous location determination for pedestrian information systems. In Man Lung Yiu, editor, Proceedings of the 11th International ACM Workshop on Data Engineering for Wireless and Mobile Access (MobiDE 2012), Scottsdale, Arizona, USA, May 20th, 2012, pages 58–65, New York, NY, USA, 2012. ACM Press.
  • Maximilian Schirmer and Hagen Höpfner. SenST: Approaches for Reducing the Energy Consumption of Smartphone-Based Context Recognition. In Michael Beigl, Henning Christiansen, Thomas Roth-Berghofer, Anders Kofod-Petersen, Kenny R. Coventry, and Hedda Rahel Schmidtke, editors, Proceedings of the 7th International and Interdisciplinary Conference on Modeling and Using Context 2011 (CONTEXT’11); September 26-30, 2011, Karlsruhe, Germany, volume 6967 of Lecture Notes in Computer Science, pages 250–263, Berlin / Heidelberg, 2011. Springer. ISBN: 978-3-642-24278-6.
  • Christian Bunse and Hagen Höpfner. Analyse des Zusammenhangs zwischen Energiebedarf, Dienstgüte und Performanz bei der Ressourcensubstitution in Softwaresystemen. In Wolfgang A. Halang, editor, Herausforderungen durch Echtzeitbetrieb — Proceedings of the real-time 2011 workshop (Echtzeit 2011); November 3-4, 2011, Boppard, Germany, Informatik aktuell, pages 101–110, Berlin / Heidelberg, November 2011. Springer. in German. ISBN: 978-3-642-24657-9.
  • Hagen Höpfner and Christian Bunse. Energy Awareness Needs a Rethinking in Software Development. In Maria Jose Escalona, Boris Shishkov, and José Cordeiro, editors, Proceedings of the 6th International Conference on Software and Data Technologies, ICSOFT 2011, Seville, Spain, July 18-21, 2011, volume 2, pages 294–297, Setúbal, Portugal, July 2011. INSTICC, SciTePress. ISBN: 978-989-8425-77-5.
  • Christian Bunse, Hagen Höpfner, Suman Roychoudhury, and Essam Mansour. Energy efficient data sorting using standard sorting algorithms. In José Cordeiro, Alpesh Ranchordas, and Boris Shishkov, editors, Software and Data Technologies — 4th International Conference, ICSOFT 2009, Sofia, Bulgaria, July 26-29, 2009. Revised Selected Papers, volume 50 of Communications in Computer and Information Science, pages 247–260, Berlin / Heidelberg, 2011. Springer.
  • Christian Bunse and Hagen Höpfner. Energieeffiziente Software-Systeme. In Wolfgang A. Halang and Peter Holleczek, editors, Eingebettete Systeme — Proceedings of the real-time 2010 workshop (Echtzeit 2010); November 18-19, 2010, Boppard, Germany, Informatik aktuell, Berlin / Heidelberg, November 2010. Springer. in German. ISBN: 978-3-642-15188-9.
  • Hagen Höpfner and Christian Bunse.Towards an energy-consumption based complexity classification for resource substitution strategies. In Wolf-Tilo Balke and Christoph Lofi, editors, Proceedings of the 22. Workshop on Foundations of Databases (Grundlagen von Datenbanken); May 25-28, 2010, Bad Helmstedt, Germany, volume 581 of CEUR Workshop Proceeding. CEUR-WS.org, May 2010. ISSN: 1613-0073
  • Hagen Höpfner and Christian Bunse. Energy Aware Data Management on AVR Micro Controller Based Systems. ACM SIGSOFT Software Engineering Notes, 35(3), May 2010. ISSN:0163-5948
  • Christian Bunse, Hagen Höpfner, Suman Roychoudhury, and Essam Mansour. Choosing the “best” Sorting Algorithm for Optimal Energy Consumption. In Boris Shishkov, José Cordeiro, and Alpesh Kumar Ranchordas, editors, Proceedings of the 4th International Conference on Software and Data Technologie (ICSOFT 2009), July 26-29, 2009, Sofia, Bulgaria, volume 2, pages 199–206, Setúbal, Portugal, July 2009. INSTICC, INSTICC press. ISBN: 978-989-674-010-8.
  • Hagen Höpfner and Christian Bunse. Towards an Energy Aware DBMS — Energy Consumptions of Sorting and Join Algorithms. In Matthias Virgin, André Peters, and Dagmar Köhn, editors, Proceedings of the 21. Workshop on Foundations of Databases (Grundlagen von Datenbanken); June 02-05, 2009, Rostock-Warnemünde, Germany, number CS-02-09 in Preprints aus dem Institut für Informatik der Universität Rostock, pages 69–73, Rostock, Germany, May 2009. Institut für Informatik der Universität Rostock.
  • Christian Bunse, Hagen Höpfner, Essam Mansour, and Suman Roychoudhury. Exploring the Energy Consumption of Data Sorting Algorithms in Embedded and Mobile Environments. In Proceedings of the 10th International Conference on Mobile Data Management: Systems, Services and Middleware (MDM 2009), 18-20 May 2009 Taipei, Taiwan, pages 600–607, Los Alamitos, CA, USA, 2009. IEEE Computer Society.
  • Christian Bunse and Hagen Höpfner. Resource substitution with components — optimizing energy consumption. In José Cordeiro, Boris Shishkov, Alpesh Kumar Ranchordas, and Markus Helfert, editors, Proceedings of the 3rd International Conference on Software and Data Technologie (ICSOFT 2008), July 5-8, 2008, Porto, Portugal, volume SE/GSDCA/MUSE, pages 28–35, Setúbal, Portugal, July 2008. INSTICC, INSTICC press.
  • Hagen Höpfner and Christian Bunse. Ressource Substitution for the Realization of Mobile Information Systems. In Joaquim Filipe, Markus Helfert, and Boris Shishkov, editors, Proceedings of the 2nd International Conference on Software and Data Technologie (ICSOFT 2007), July 22-25, 2007, Barcelona, Spain, volume Software Engineering, pages 283–289, Setúbal, Portugal, July 2007. INSTICC, INSTICC press.

(Context Aware) Mobile Data Management / Query Indexing

XML Data Management / Rule Based Information Systems