List of contributors Alexander Felfernig Graz University of Technology e-mail: alexander felfernig@ist. tugraz at Gerhard Friedrich University Klagenfurt e-mail: gerhard. friedrich@uni-kluacat Marco de gemmis Department of Computer Science, University of Bari"Aldo Moro", Via E. Orabona 4, Bari(Italy) e-mail: degemmis@diuniba.it Ulrike gretzel Texas A&M University, 2261 TAMU, College Station, TX, USA, e-mail: ugretzel@ tamu. edu Patrick j.F. groenen Econometric Institute, Erasmus University Rotterdam, The Netherlands e-mail: groenen@ese. eur. nl Asela gunawardana Microsoft Research, One Microsoft Way, Redmond, WA, e-mail:aselag@@microsoft.com Andreas hotho Knowledge Data Engineering Group(KDE), University of Kassel, wilhelmsho her Allee 73, 34121 Kassel, Germany, e-mail: hotho@cs. uni-kassel de Hans hummel Centre for Learning Sciences and Technologies(CELSTEC), Open Universiteit Nederland e-mail: hans hummel@ou. nl Neil hurley School of Computer Science and Informatics, University College Dublin, Ireland e-mail:neil.hurley @ucd.ie Robert jaschke Knowledge Data Engineering Group(KDE), University of Kassel, wilhelmsho her Allee 73, 34121 Kassel, Germany, e-mail: jaeschke @cs. uni-kasselde Alejandro Jaimes Yahoo! Research, Av. Diagonal, 177, Barcelona 08018, Spain e-mail:ajaimes@yahoo-inc.com
List of Contributors xxv Alexander Felfernig Graz University of Technology e-mail: alexander.felfernig@ist.tugraz.at Gerhard Friedrich University Klagenfurt e-mail: gerhard.friedrich@uni-klu.ac.at Marco de Gemmis Department of Computer Science, University of Bari “Aldo Moro”, Via E. Orabona, 4, Bari (Italy) e-mail: degemmis@di.uniba.it Ulrike Gretzel Texas A&M University, 2261 TAMU, College Station, TX, USA, e-mail: ugretzel@tamu.edu Patrick J.F. Groenen Econometric Institute, Erasmus University Rotterdam, The Netherlands, e-mail: groenen@ese.eur.nl Asela Gunawardana Microsoft Research, One Microsoft Way, Redmond, WA, e-mail: aselag@microsoft.com Andreas Hotho Knowledge & Data Engineering Group (KDE), University of Kassel, Wilhelmsho, ¨ her Allee 73, 34121 Kassel, Germany, e-mail: hotho@cs.uni-kassel.de Hans Hummel Centre for Learning Sciences and Technologies (CELSTEC), Open Universiteit Nederland e-mail: hans.hummel@ou.nl Neil J. Hurley School of Computer Science and Informatics, University College Dublin, Ireland e-mail: neil.hurley@ucd.ie Robert Jaschke ¨ Knowledge & Data Engineering Group (KDE), University of Kassel, Wilhelmsho¨ her Allee 73, 34121 Kassel, Germany, e-mail: jaeschke@cs.uni-kassel.de Alejandro Jaimes Yahoo! Research, Av.Diagonal, 177, Barcelona 08018, Spain e-mail: ajaimes@yahoo-inc.com
List of Contributors Simon james School of Information Technology, Deakin University, 221 Burwood Hwy, Burwood 3 125, Australia, e-mail: james@ deakin equal Dietmar Jannach TU Dortmund e-mail: dietmar jannach@tu-dortmund de Martin Agie Econometric Institute, Erasmus University Rotterdam, The Netherlands, e-mail: martijn@ kagie net Dain Kaplan Tokyo Institute of Technology, Tokyo, Japan e-mail: dain@ cl cs titech ac jp George Karypis Department of Computer Science Engineering. University of Minnesota, Minneapolis, USA e-mail: karypis@cs. umn. edu Rob Koper Centre for Learning Sciences and Technologies(CELSTEC), Open Universiteit Nederland e-mail: rob. koper@ou. nl Yehuda Koren Yahoo! Research e-mail:yehudayahoo-inc.com YoungOk K Department of Information and Decision Sciences Carlson School of Management, University of Minnesota, Minneapolis, MN55455 USA e-mail: kwonx052@umn. edu Pasquale Lops Department of Computer Science, University of Bari"Aldo Moro", Via E Orabona, 4, Bari(Italy) e-mail: lops@di uniba.it Greek Research and Technology Network (GRNET S.A.) 56 Messogeion Av., 1 15 27, Athens, Greece net.gr Leandro Balby Marinho Information Systems and Machine Learning Lab(ISMLL), University Hildesheim, Marienburger Platz 22, 31141 Hildesheim, Germany, e-mail: marinho@ismll uni-hildesheim de
xxvi List of Contributors School of Information Technology, Deakin University, 221 Burwood Hwy, Burwood 3125, Australia, e-mail: sjames@deakin.edu.au Dietmar Jannach TU Dortmund e-mail: dietmar.jannach@tu-dortmund.de Martijn Kagie Econometric Institute, Erasmus University Rotterdam, The Netherlands, e-mail: martijn@kagie.net Dain Kaplan Tokyo Institute of Technology, Tokyo, Japan e-mail: dain@cl.cs.titech.ac.jp Minneapolis, USA e-mail: karypis@cs.umn.edu Rob Koper Centre for Learning Sciences and Technologies (CELSTEC), Open Universiteit Nederland e-mail: rob.koper@ou.nl Yehuda Koren Yahoo! Research, e-mail: yehuda@yahoo-inc.com YoungOk Kwon Department of Information and Decision Sciences Carlson School of Management, University of Minnesota, Minneapolis, MN 55455, USA e-mail: kwonx052@umn.edu Pasquale Lops Department of Computer Science, University of Bari “Aldo Moro”, Via E. Orabona, 4, Bari (Italy) e-mail: lops@di.uniba.it Nikos Manouselis Greek Research and Technology Network (GRNET S.A.) 56 Messogeion Av., 115 27, Athens, Greece e-mail: nikosm@grnet.gr Leandro Balby Marinho Information Systems and Machine Learning Lab (ISMLL), University of Hildesheim, Marienburger Platz 22, 31141 Hildesheim, Germany, e-mail: marinho@ismll.uni-hildesheim.de George Karypis Computer Science & Engineering, University of Minnesota, Simon James Department of
List of Contributors XXVII Judith Masthoff University of Aberdeen, AB24 3UE Aberdeen UK, e-mail:j masthoff@abn. ac uk Lorraine McGinty UCD School of Computer Science and Informatics, University College Dublin, Dublin 4. lreland e-mail: lorraine. mcginty @ucd. ie Kevin mercer Loughborough University, e-mail: K C. Mercer boro, ac uk Alexandros Nanopoulos Information Systems and Machine Learning Lab(ISMLL), University of Hildesheim, Marienburger Platz 22, 31141 Hildesheim, Germany, e-mail: nanopoulos@ismll uni-hildesheim de Michael P O Mahony CLARITY: Centre for Sensor Web Technologies, School of Computer Science and Informatics, University College Dublin, Ireland e-mail: michael p. mahony @ucd. ie Nuria Oliver Telefonica Research, Via Augusta, 122, Barcelona 08021, Spain e-mail: nuriao @tide Jerome picault Alcatel-Lucent Bell labs mail: jerome picault@alcatel-lucent. Pearl Pu Human Computer Interaction Group, School of Computer and Communicati Sciences Swiss Federal Institute of Technology in Lausanne(EPFL), CH-1015, Lausan Switzerland e-mail: pearl. pu, li chen, jiyong.zhang @epfl. ch Josep M. Pujol lefonica Research, Via Augusta, 122, Barcelona 08021, Spain e-mail: jmps@tid. es Maryam ramezani Center for Web Intelligence, College of Computing and Digital Media, 243 S Wabash Ave, DePaul University, Chicago, Illinois, USA e-mail: mramezani@depaul. edu James Reilly oogle Inc, 5 Cambridge Center, Cambridge, MA 02142, United States e-mail:jamesreilly@google.com
List of Contributors xxvii Judith Masthoff University of Aberdeen, AB24 3UE Aberdeen UK, e-mail: j.masthoff@abdn.ac.uk Lorraine McGinty UCD School of Computer Science and Informatics, University College Dublin, Dublin 4, Ireland. e-mail: lorraine.mcginty@ucd.ie Kevin Mercer Loughborough University, e-mail: K.C.Mercer@lboro.ac.uk Alexandros Nanopoulos Information Systems and Machine Learning Lab (ISMLL), University of Hildesheim, Marienburger Platz 22, 31141 Hildesheim, Germany, e-mail: nanopoulos@ismll.uni-hildesheim.de Michael P. O’Mahony CLARITY: Centre for Sensor Web Technologies, School of Computer Science and Informatics, University College Dublin, Ireland e-mail: michael.p.omahony@ucd.ie Nuria Oliver Telefonica Research, Via Augusta, 122, Barcelona 08021, Spain e-mail: nuriao@tid.es Jer´ ome Picault ˆ Alcatel-Lucent Bell Labs, e-mail: jerome.picault@alcatel-lucent.com Pearl Pu Human Computer Interaction Group, School of Computer and Communication Sciences, Swiss Federal Institute of Technology in Lausanne (EPFL), CH-1015, Lausanne, Switzerland e-mail: pearl.pu, li.chen, jiyong.zhang@epfl.ch Josep M. Pujol Telefonica Research, Via Augusta, 122, Barcelona 08021, Spain e-mail: jmps@tid.es Maryam Ramezani Center for Web Intelligence, College of Computing and Digital Media, 243 S. Wabash Ave., DePaul University, Chicago, Illinois, USA e-mail: mramezani@depaul.edu James Reilly Google Inc., 5 Cambridge Center, Cambridge, MA 02142, United States. e-mail: jamesreilly@google.com
XxVIii List of contributors Myriam Ribiere Alcatel-Lucent Bell Labs e-mail:myriamribiere@alcatel-lucent.com Francesco ricci Faculty of Computer Science, Free University of Bozen-Bolzano, Italy e-mail: ficci@unibz it Lior rokach Department of Information Systems Engineering, Ben-Gurion University of the Negev, Israel e-mail: liorrk @bgu acil Neil rubens University of Electro-Communications, Tokyo, Japan, g Lars schmidt-Thieme Information Systems and Machine Learning Lab(ISMLL), University of Hildesheim, Marienburger Platz 22, 31141 Hildesheim, Germany, e-mail: schmidt -thieme@@ismlluni-hildesheim de Giovanni semeraro Department of Computer Science, University of Bari"Aldo Moro, Via E Orabona, 4, Bari (Italy) e-mail: semeraro @di uniba.it Guy Shani Department of Information Systems Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel Bracha Shapira Department of Information Systems Engineering, Ben-Gurion University of the e-mail: bshapira @bgu acil CLARITY: Centre for Sensor Web Technologies, School of Computer Science Informatics, University College Dublin, Ireland e-mail: Barry. Smyth @ucd. ie Gerd Stumme Knowledge Data Engineering Group(KDE), University of Kassel, wilhelmsho her Allee 73, 34121 Kassel, Germany, e-mail: stumme @cs uni-kassel de Masashi Sugiyama Tokyo Institute of Technology, Tokyo, Japan e-mail: sugi @cs. titech ac jp
xxviii List of Contributors Myriam Ribiere ` Alcatel-Lucent Bell Labs, e-mail: myriam.ribiere@alcatel-lucent.com Francesco Ricci Faculty of Computer Science, Free University of Bozen-Bolzano, Italy e-mail: fricci@unibz.it Lior Rokach Department of Information Systems Engineering, Ben-Gurion University of the Negev, Israel e-mail: liorrk@bgu.ac.il Neil Rubens University of Electro-Communications, Tokyo, Japan, e-mail: rubens@hrstc.org Lars Schmidt-Thieme Information Systems and Machine Learning Lab (ISMLL), University of Hildesheim, Marienburger Platz 22, 31141 Hildesheim, Germany, e-mail: schmidt-thieme@ismll.uni-hildesheim.de Giovanni Semeraro Department of Computer Science, University of Bari “Aldo Moro”, Via E. Orabona, 4, Bari (Italy) e-mail: semeraro@di.uniba.it Guy Shani Bracha Shapira Department of Information Systems Engineering, Ben-Gurion University of the Negev, Israel e-mail: bshapira@bgu.ac.il Barry Smyth CLARITY: Centre for Sensor Web Technologies, School of Computer Science & Informatics, University College Dublin, Ireland, e-mail: Barry.Smyth@ucd.ie Gerd Stumme Knowledge & Data Engineering Group (KDE), University of Kassel, Wilhelmsho¨ her Allee 73, 34121 Kassel, Germany, e-mail: stumme@cs.uni-kassel.de Masashi Sugiyama Tokyo Institute of Technology, Tokyo, Japan e-mail: sugi@cs.titech.ac.jp Department of Information Systems Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel e-mail: shanigu@bgu.ac.il
List of Contributors Department of Informatics, Aristotle University, 54124 Thessaloniki, Greece, e-mail: symeon@csd auth.gr Nava Tintarev University of Aberdeen, Aberdeen, U. K, e-mail: n tintarev@abn. ac uk Roberto turrin Politecnico di milano, pzza Leonardo da vinci 32, Milano, Italy Neptuny, via Durando 10, Milano, Italy e-mail: roberto turrin@ polimiit Alexander Tuzhilin Department of Information, Operations and Management Sciences Stern School of Business, New York University e-mail: atuzhili @stern. nyu. edu Paolo Viappiani epartment of Computer Science, University of Toronto, 6 Kings College Road, M5S3G4. Toronto ON. CANAD e-mail:paoloviappiani@gmail.com Patricia victor Dept of Applied Mathematics and Computer Science, Ghent University, Krijgslaan 281(S9), 9000 Gent, Belgium e-mail: Chris. Cornelis@@ugent. be Riina vuorikari European Schoolnet(EUN), 24, Rue Paul Emile Janson, 1050 Brussels, Belgium e-mail: riina. vuorikari@eun.org Michiel van Wezel Econometric Institute, Erasmus University Rotterdam, The Netherlands, e-mail: mvanwezel@acm.org Kyung-Hyan Yoo William Paterson University, Communication Department, 300 Pompton Road, Wayne, NJ, USA e-mail:toinette75@gmail.com Markus zanker University Klagenfurt e-mail: markus zanker@uni-klu ac at Jiyong Zhang Human Computer Interaction Group, School of Computer and Communication Science Swiss Federal Institute of Technology in Lausanne(EPFL), CH-1015, Lausanne, Switzerland
List of Contributors xxix Department of Informatics, Aristotle University, 54124 Thessaloniki, Greece, e-mail: symeon@csd.auth.gr Nava Tintarev University of Aberdeen, Aberdeen, U.K, e-mail: n.tintarev@abdn.ac.uk Roberto Turrin Politecnico di Milano, p.zza Leonardo da Vinci 32, Milano, Italy Neptuny, via Durando 10, Milano, Italy e-mail: roberto.turrin@polimi.it Alexander Tuzhilin Department of Information, Operations and Management Sciences Stern School of Business, New York University e-mail: atuzhili@stern.nyu.edu Paolo Viappiani Department of Computer Science, University of Toronto, 6 King’s College Road, M5S3G4, Toronto, ON, CANADA e-mail: paolo.viappiani@gmail.com Patricia Victor Dept. of Applied Mathematics and Computer Science, Ghent University, Krijgslaan 281 (S9), 9000 Gent, Belgium e-mail: Chris.Cornelis@ugent.be Riina Vuorikari European Schoolnet (EUN), 24, Rue Paul Emile Janson, 1050 Brussels, Belgium e-mail: riina.vuorikari@eun.org Michiel van Wezel Econometric Institute, Erasmus University Rotterdam, The Netherlands, e-mail: mvanwezel@acm.org Kyung-Hyan Yoo William Paterson University, Communication Department, 300 Pompton Road, Wayne, NJ, USA, e-mail: toinette75@gmail.com Markus Zanker University Klagenfurt e-mail: markus.zanker@uni-klu.ac.at Jiyong Zhang Human Computer Interaction Group, School of Computer and Communication Sciences, Swiss Federal Institute of Technology in Lausanne (EPFL), CH-1015, Lausanne, Switzerland e-mail: jiyong.zhang@epfl.ch Panagiotis Symeonidis