ÿþ<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="Description" content="Homepage of Henrik Blunck"> <meta name="keywords" content="computational geometry; spatial databases; spatio-temporal databases; algorithms for massive data sets"> <meta name="robots" content="index,follow"> <meta http-equiv = "language" content = "en"> <link rel = "author" href = "mailto:blunck@daimi.au.dk"> <title>Henrik Blunck</title> </head> <body> <table border=0> <tr> <!--<td rowspan=2 valign=top ><img alt="Picture of Henrik Blunck" src="hb4.jpg" height=180 border=0></td>--> <td rowspan=2 valign=top ><img alt="Picture of Henrik Blunck" src="ptr.jpg" height=180 border=0></td> <br> <br> <td rowspan=3 valign=top> <dl> <dd> <font size="+1"> <b>Henrik Blunck</b></font>, Ph.D. <br> <!-- <a href="http://www.madalgo.au.dk/">MADALGO Center</a><br/> --> <A HREF="http://cs.au.dk/research/areas/ubiquitous-computing-and-interaction/">Ubiquitous Computing and Interaction group</A>, <br /> <a href="http://www.daimi.au.dk/">Department of Computer Science</a>, <a href="http://www.au.dk/">University of Aarhus</a><br /> IT-parken, Aabogade 34<br /> DK-8200 Aarhus N, Denmark.<br /> office: 5346 (Hopper) - 120<br /> phone: (+45) 22422965<br /> email: <a href ="mailto:blunck@cs.au.dk"><tt>blunck@cs.au.dk</tt></a><br /> </dd> </dl> </td> </tr> </table> <dl> <dt><strong><P>Current Scientific Interests:</strong></dt> <ul> <li>Algorithm Engineering</li> <li>Pervasive Computing</li> <li> Mobile Sensing, Positioning and Context Inference</li> <li>Spatial and Spatio-Temporal Databases </li> </ul> </dl> <dt><strong><P>Recent Courses:</strong></dt> <ul> <LI><P> <A HREF=" http://kursuskatalog.au.dk/en/coursecatalog/Course/show/18359/"> Context-awareness</A>, Q1 2011 </li> <LI><P> <A HREF=" http://kursuskatalog.au.dk/en/coursecatalog/Course/show/18396/">Pervasive Positioning</A>, Q2 2011 </li> </ul> <dl> <dt><strong>Reccent affiliations with and participations in research groups and projects:</strong></dt> <ul> <LI><P> <A HREF="http://ecosense.au.dk/">EcoSense</A> - Collective Sensing and Macroscopic Visualization for Improving Environmental Footprints(2012-2016) supported by the Danish Strategic Research Council</li> <LI><P> PosLogistics  A position based real time hospital ressource planning system (2012-2015) supported by the Danish Advanced Technology Foundation.</A> </li> <LI><P> <A HREF="http://galileo-platform.com/Pages/default.aspx">Galileo</A> - A Platform for Pervasive Positioning (2008-2011) supported by the Danish Advanced Technology Foundation. </li> <LI><P> <A HREF="http://cs.au.dk/research/areas/ubiquitous-computing-and-interaction/">Ubiquitous Computing and Interaction group </A> </li> <LI><P> <A HREF="http://madalgo.au.dk"> MADALGO - Center for Massive Data Algirithmics</A> </li> <LI><P> <A HREF="http://madalgo.au.dk/Trac-TerraSTREAM">TerraSTREAM</A> </li> </ul> </dl> <dl> <dt><strong>Publications:</strong></dt> <p>Other lists of my publications can be found at <a href="http://scholar.google.dk/citations?hl=en&user=G4y4RxcAAAA">Google Scholar</a> or <a href="http://person.au.dk/en/blunck@cs/pub">AU</a>. </p> <ul> <LI><P> Mikkel Baun Kjærgaard, Sourav Bhattacharya, Henrik Blunck, and Petteri Nurmi. <a href="http://dl.acm.org/citation.cfm?doid=1999995.2000025">Energy-efficient Trajectory Tracking for Mobile Devices</A> In: <I>Proceedings of the 9th International Conference on Mobile Systems, Applications, and Services (MobiSys2011)</I>, pages 307-320. ACM Press, 2011. </LI> </LI> <LI><P> Henrik Blunck, Mikkel B. Kjærgaard, and Thomas S. Toftegaard. <a href="http://www.springerlink.com/content/pm58864w5542u636/">Sensing and Classifying Impairments of GPS Reception on Mobile Devices</A>. In: <I>Proceedings of the 9th International Conference on Pervasive Computing (Pervasive 2011)</I> volume <a href="http://www.springerlink.com/content/pm58864w5542u636/">6696</A> of <I>Lecture Notes in Computer Science</I>, pages 350-367. Springer, Berlin, 2011. </LI> <LI><P> Henrik Blunck, Mikkel B. Kjærgaard, Torben Godsk, Jakob L. Jensen, Kaj Grønbæk, Tejs Scharling, Kari R. Schougaard, and Thomas Toftkjær. <A HREF="http://portal.acm.org/citation.cfm?id=1823854.1823869"> PerPos: A Platform Providing Cloud Services for Pervasive Positioning</A>. In: <I> Proceedings of the 1st ACM International Conference on Computing for Geospatial Research & Application (COM.Geo 2010)</I>, pages 1-8. ACM Press, 2010. </LI> <LI><P> Mikkel Baun Kjærgaard, Henrik Blunck, Torben Godsk, Thomas Toftkjær, Dan Lund Christensen, and Kaj Grønbæk. <A HREF="http://www.springerlink.com/content/4g35502594282337/">Indoor Positioning using GPS Revisited</A>. In: <I>Proceedings of the 8th International Conference on Pervasive Computing (Pervasive 2010)</I>, volume <a href="http://www.springerlink.com/content/k3364858w185/?p=d80fc471c92f436885b7842795af9a3c&pi=0">6030</A> of <I>Lecture Notes in Computer Science</I>, pages 38-56. Springer, Berlin, 2010. </LI> <LI><P>Henrik Blunck and Jan Vahrenhold. <A HREF="http://www.springerlink.com/content/136u88835728063l/">In-Place Algorithms for Computing (Layers of) Maxima</A>. <I>Algorithmica</I> 57(1):1-21, 2010.</P></LI> <LI><P> Henrik Blunck, Mikkel Baun Kjærgaard, Torben Godsk, Thomas Toftkjær, Dan Lund Christensen, and Kaj Grønbæk. <!-- <A HREF="http://www.ion.org/search/view_abstract.cfm?jp=p&idno=8650"> --> <A HREF="http://person.au.dk/fil/20039647/ion2009.pdf"> Empirical Analysis and Characterization of Indoor GPS Signal Fading and Multipath Conditions</A>. In: <I>Proceedings of the 22nd International Technical Meeting of the Satellite Division of the Institute of Navigation (GNSS 2009)</I>, Institute of Navigation, 2009. </LI> <LI><P>Henrik Blunck, Klaus H. Hinrichs, Jo&euml;lle Sondern, and Jan Vahrenhold. <A HREF="papers/BHSV06Modeling.pdf">Modeling and Engineering Algorithms for Mobile Data</A>. In: Andreas Riedl, Wolfgang Kainz, and Gregory A. Elmes, editors: <A HREF="http://www.springer.com/dal/home/geography/gis+cartography?SGWID=1-40421-22-173664721-detailsPage=ppmmedia|aboutThisBook"><I>Progress in Spatial Data Handling: Proceedings of the 12th International Symposium on Spatial Data Handling (SDH 2006)</I></A>, pages 61-77. Springer, Berlin, 2006. &copy; Springer-Verlag.</P> </LI> <LI><P>Henrik Blunck and Jan Vahrenhold. <A HREF="papers/BV06LayersSWAT.pdf">In-Place Algorithms for Computing (Layers of) Maxima</A>. In: Lars Arge and Rusin Freivalds, editors: <I>Proceedings of the 10th Scandinavian Workshop on Algorithm Theory (SWAT 2006)</I>, volume <A HREF="http://www.springerlink.com/openurl.asp?genre=issue&issn=0302-9743&volume=4059&issue=preprint">4059</A> of <A HREF="http://www.springer.de/comp/lncs/index.html"><I>Lecture Notes in Computer Science</I></A>, pages 363-374. Springer, Berlin, 2006. &copy; Springer-Verlag.</P> </LI> <LI><P>Henrik Blunck and Jan Vahrenhold. <A HREF="papers/BV06SlopeCIAC.pdf">In-Place Randomized Slope Selection</A>. In: Tiziana Calamoneri, Irene Finocchi, and Giuseppe F. Italiano, editors: <I>Proceedings of the 6th Conference on Algorithms and Complexity (CIAC 2006)</I>, volume <A HREF="http://www.springerlink.com/openurl.asp?genre=issue&issn=0302-9743&volume=3998&issue=preprint">3998</A> of <A HREF="http://www.springer.de/comp/lncs/index.html"><I>Lecture Notes in Computer Science</I></A>, pages 30-41. Springer, Berlin, 2006. &copy; Springer-Verlag.</P> </LI> <LI>Henrik Blunck and Jan Vahrenhold. In-Place Algorithms for Computing (Layers of) Maxima. In: <I>Proceedings of the 22nd European Workshop on Computational Geometry</I>, pages 181-184, 2006.</P> </LI> <LI>Henrik Blunck and Jan Vahrenhold. In-Place Randomized Slope Selection. In: <I>Proceedings of the 22nd European Workshop on Computational Geometry</I>, pages 177-180, 2006.</P> </LI> <li>Ludger Becker, Henrik Blunck, Klaus H. Hinrichs, and Jan Vahrenhold. <A HREF="papers/BBHV04Framework.pdf">A Framework for Representing Moving Objects</a>. In: F. Galino, M. Takizawa, und R. Traunm&uuml;ller: <i>Proceedings of the 15th International Conference on Database and Expert Systems Applications</i>, volume <a href="http://www.springerlink.com/openurl.asp?genre=issue&amp;issn=0302-9743&amp;volume=3180&amp;issue=preprint">3180</a> of <a href="http://www.springer.de/comp/lncs/index.html"> <i>Lecture Notes in Computer Science</i></a>, pages 854-863. Springer, Berlin, 2004. &copy; Springer-Verlag.<br> </P> </li> <li><P>Henrik Blunck, Klaus H. Hinrichs, Iris Puke, and Jan Vahrenhold. Verarbeitung von Trajektorien mobiler Objekte. In: Martin Raubal, Adam Sliwinski und Werner Kuhn: <i>Proceedings of the M&uuml;nster GI-Days 2004</i>, pages 29-41, 2004. In&nbsp; German.</P> </li> <li><P> Ludger Becker, Henrik Blunck, Klaus H. Hinrichs, and Jan Vahrenhold: Ein Rahmenwerk zur Repräsentation von sich bewegenden Objekten. In: Grundlagen und Anwendungen mobiler Informationstechnologie 2004, pages 3-12, 2004. In&nbsp; German.</P> </li> </dd> </dl> <dl> <dt><strong>Theses: </strong></dt> <UL> <LI><P> Henrik Blunck. <I>Modelle und Algorithmen f&uuml;r mobile Datenobjekte und Umgebungen</I>. PhD Thesis (in German). M&uuml;nster, 2006.</P> </LI> <LI><P> Henrik Blunck. <I>Repr&auml;sentation von Bewegung in Datenbanken</I>. Diploma Thesis (in German). M&uuml;nster, 2002.</P> </LI> </UL> </dd> </dl> <hr> <!-- hhmts start --> <!Last updated:--> <!-- hhmts end --> <address> <a href = "http://www.cs.au.dk/~blunck/"> Henrik Blunck</a> <br> <a href = "mailto:blunck@cs.au.dk">blunck@cs.au.dk</a> </address> <script type="text/javascript"> var gaJsHost = (("https:" == document.location.protocol) ? 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