Professor Dr. Christian Kray

Kontakt

Portrait
Professur für Geoinformatik (Prof. Kray)
Heisenbergstraße 2
Raum 241
48149 Münster
Tel: +49 251 83-33073
Sprechzeiten: Mi. 9-10 Uhr

Publikationen

  • Konkol M, Kray C, Pfeiffer M. 2018. ‘Computational reproducibility in geoscientific papers: Insights from a series of studies with geoscientists and a reproduction study.’ International Journal of Geographical Information Science 2018. doi: 10.1080/13658816.2018.1508687.
  • Brox Christoph, Casteleyn Sven, Kray Christian, Painho Marco, Huerta Joaquín, Kuhn Werner. 2018. ‘Brain Drain or Brain Gain? Insights from an Erasmus Mundus Masters Program.’Contributed to the AGILE 2018 - 21th Conference on Geo-information Science, Lund, Sweden.
  • Konkol M, Kray C. 2018. In-depth examination of spatio-temporal figures in open reproducible research. doi: https://dx.doi.org/10.17605/OSF.IO/Q53M8.
  • Konkol M, Kray C, Pfeiffer M. 2018. The State of Reproducibility in the Computational Geosciences. doi: https://dx.doi.org/10.17605/OSF.IO/KZU8E.
  • Granell C, Bhattacharya D, Casteleyn S, Degbelo A, Gould M, Kray C, Painho M, Trilles S. 2018. ‘GEO-C: Enabling open cities and the Open City Toolkit.’ In Proceedings of the International Conference on Free and Open Source Software for Geospatial Applications (FOSS4G 2018) - Academic Track, 61-68. Dar es Salaam, Tanzania. doi: 10.5194/isprs-archives-XLII-4-W8-61-2018. [Im Druck]
  • Bustamante AM, Degbelo A, Kray C. 2018. ‘Exploring forced migrants (re)settlement & the role of digital services.’ In Proceedings of 16th European Conference on Computer-Supported Cooperative Work - Exploratory Papers (ECSCW 2018). Nancy, France: European Society for Socially Embedded Technologies (EUSSET). doi: 10.18420/ecscw2018_7.
  • Ana Maria Bustamante Duarte, Nina Brendel, Auriol Degbelo, Christian Kray. 2018. ‘Participatory design and participatory research: An HCI case study with young forced migrants.’ ACM Transactions on Computer-Human Interaction (TOCHI) 25, Nr. 1: 3. doi: 10.1145/3145472.
  • Unrau R.,Ostkamp M.,Kray C.,. 2017. ‘An approach for harvesting, visualizing, and analyzing WebGIS sessions to identify usability issues.’Contributed to the EICS, Lissabon, Portugal. doi: 10.1145/3102113.3102122.
  • Konkol Markus, Nüst Daniel, Schutzeichel Marc, Pebesma Edzer, Kray Christian, Przibytzin Holger, Lorenz Jörg.Opening reproducible research (o2r).“Poster contributed to the Open Science Conference, Berlin, Germany, 2017.
  • Nüst D, Konkol M, Pebesma E, Kray C, Schutzeichel M, Przibytzin, H, Lorenz, J. 2017. ‘Opening the Publication Process with Executable Research Compendia.’ D-Lib Magazine 23. doi: 10.1045/january2017-nuest.
  • Holger Fritze, Auriol Degbelo, Tobias Brüggentisch, Christian Kray. 2017. ‘Feature-centric ranking algorithms for georeferenced video search.’Contributed to the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, Redondo Beach, California, USA.
  • Christian Kray, May Yuan. 2017. ‘COSIT 2017 Short Papers—Introduction.’Contributed to the International Conference on Spatial Information Theory, L’Aquila, Italien.
  • C Eliseo, D Maureen, Y May, K Christian, F Paolo, Ballatore Andrea. 2017. ‘13th International Conference on Spatial Information Theory (COSIT 2017).’ In 13th International Conference on Spatial Information Theory (COSIT 2017), edited by C Eliseo, D Maureen, Y May, K Christian, F Paolo, Ballatore Andrea.: LIPIcs.
  • Mehrnaz Ataei, Christian Kray. 2017. ‘Ephemerality Is the New Black: A Novel Perspective on Location Data Management and Location Privacy in LBS.’ In Progress in Location-Based Services 2016, edited by Mehrnaz Ataei, Christian Kray, ERSTE SEITE-LETZTE SEITE.
  • Du G, Degbelo A, Kray C. 2017. ‘Public Displays for Public Participation in Urban Settings: A Survey.’ In Proceedings of the 6th ACM International Symposium on Pervasive Displays, 17:1-17:9. New York, NY, USA: ACM. doi: 10.1145/3078810.3078825.
  • Verstegen J., Hillen F., Kray C.A framework to monitor, model, and actively manage crowd behaviour.“Poster contributed to the The 20th AGILE Conference on Geographic Information Science, Wageningen, The Netherlands, 2017.
  • Konkol, M, Kray, C, Ostkamp, M. 2017. ‘Follow the signs - countering disengagement from the real world during city exploration.’Contributed to the Agile, Wageningen.
  • Kray Christian, Schmid Falko, Fritze Holger. 2017. ‘Guest editorial: map interaction.’ GeoInformatica 2017: 1-4. doi: 10.1007/s10707-016-0290-x.
  • Navas Medrano S, Pfeiffer M, Kray C. 2017. ‘Enabling Remote Deictic Communication with Mobile Devices: An Elicitation Study.’Contributed to the Proceedings of the 19th International Conference on Human-Computer Interaction with Mobile Devices and Services, Vienna, Austria. doi: 10.1145/3098279.3098544.
  • Fechner T, Schlarmann D, Kray C. 2016. ‘Facilitating Citizen Engagement in Situ: Assessing the Impact of Pro-Active Geofenced Notifications.’ In Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services - MobileHCI '16. New York, New York, USA: ACM Press. doi: 10.1145/2935334.293537. [Im Druck]
  • Nüst Daniel, Konkol Markus, Pebesma Edzer, Kray Christian, Klötgen Stephanie, Schutzeichel Marc, Lorenz Jörg, Przibytzin Holger, Kussmann Dirk.Opening Reproducible Research.“Poster contributed to the EGU, Vienna, 2016.
  • Degbelo A, Granell C, Trilles S, Bhattacharya D, Casteleyn S, Kray C. 2016. ‘Opening up Smart Cities: Citizen-Centric Challenges and Opportunities from GIScience.’ ISPRS International Journal of Geo-Information 5, Nr. 2: 16. doi: 10.3390/ijgi5020016.
  • Auriol Degbelo, Carlos Granell, Sergio Trilles, Devanjan Bhattacharya, Sven Casteleyn, Christian Kray. 2016. ‘Opening up Smart Cities.’ ISPRS International Journal of Geo-Information 5.
  • Fechner T, Kray C. 2016. ‘Presenting Citizen Engagement Opportunities Online: The Relevancy of Spatial Visualization.’ In Lecture Notes in Geoinformation and Cartography, edited by Sarjakoski T, Santos MY, Sarjakoski T, 105-121.: Springer International Publishing. doi: 10.1007/978-3-319-33783-8_7.
  • Ranasinghe Champika, Kray Christian. 2016. ‘Visualizing Location Uncertainty on Mobile Devices: Assessing Users’ Perception and Preferences.’Contributed to the AGILE, Helsinki, Finland. doi: 10.1007/978-3-319-33783-8_18.
  • Fritze Holger, Kray Christian. 2015. ‘Community and Governmental Responses to an Urban Flash Flood.’Contributed to the 12th International Conference on Information Systems for Crisis Response & Management, Kristiansand, Norwegen. [Akzeptiert]
  • F. Schmid, C. Kray, H. Fritze. 2015. ‘MapInteract 2014 Workshop Report the 2nd ACM SIGSPATIAL International Workshop on Interacting with Maps.’Contributed to the SIGSPATIAL, Dallas, Texas, USA.
  • Fechner T, Wilhelm D, Kray C. 2015. ‘Ethermap - Real-time Collaborative Map Editing.’Contributed to the Conference on Human Factors in Computing Systems (CHI'15), Seoul, South Korea. doi: 10.1145/2702123.2702536.
  • Flynn, D., Nesbitt, D.J., Ford, G.A., McMeekin, P., Rodgers, H., Price, C., Kray, C., and Thomson, R.G. 2015. ‘Development of a computerised decision aid for thrombolysis in acute stroke care.’ BMC Med. Inf. & Decision Making 15, Nr. 6.
  • Morin Ostkamp, Christian Kray, Gernot Bauer. 2015. ‘Towards a privacy threat model for public displays.’Contributed to the 7th ACM SIGCHI Symposium on Engineering Interactive Computing Systems, Duisburg, Deutschland.
  • Wilhelm, D., Fechner, T., Ostkamp, M., Kray, C. 2015. ‘Natural interaction with video environments using gestures and a mirror-image avatar.’Contributed to the Interact, Bamberg, Deutschland. [Akzeptiert]
  • Ostkamp, M., Heitmann, S., Kray, C. 2015. ‘Short-range optical interaction between smartphones and public displays.’Contributed to the 4th International Symposium on Pervasive Displays (PerDis 2015), Saarbrücken. [Akzeptiert]
  • Martella, R., Kray, C., Clementini, E. 2015. ‘A Gamification Framework for Volunteered Geographic Information.’Contributed to the AGILE, Lissabon, Portugal. [Akzeptiert]
  • Konkol M, Kray C, Fechner T. 2015. ‘Providing directions in indoor spaces: two approaches for public displays compared.’Contributed to the AGILE, Lissabon, Portugal. [Akzeptiert]
  • Delikostidis I, Fritze H, Fechner T, Kray C. 2014. ‘Bridging the Gap Between Field- and Lab-Based User Studies for Location-Based Services.’ In Progress in Location-Based Services 2014, edited by Gartner G, Huang H, 257-271.: Springer International Publishing. doi: 10.1007/978-3-319-11879-6_18.
  • Langner N, Kray C. 2014. ‘Assessing the Impact of Dynamic Public Signage on Mass Evacuation.’ In Proceedings of The International Symposium on Pervasive Displays, 136. doi: 10.1145/2611009.2611033.
  • Fechner T, Kray C. 2014. ‘Georeferenced Open Data and Augmented Interactive Geo-Visualizations as Catalysts for Citizen Engagement.’ JeDEM - eJournal of eDemocracy and Open Government 6, Nr. 3: 14-35.
  • Schmid F., Kray C. 2014. ‘Highlights from MAPINTERACT 2013: the 1st ACM SIGSPATIAL Workshop on Interacting with Maps: held in conjunction with the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (Orlando, Florida, November 5, 2013).’ SIGSPATIAL Special 6, Nr. 1: 23-24. doi: 10.1145/2684380.2684391.
  • Ostkamp M, Kray C. 2014. ‘Supporting design, prototyping, and evaluation of public display systems.’ In Proceedings of the 2014 ACM SIGCHI symposium on Engineering interactive computing systems, 263-272. doi: 10.1145/2607023.2607035. [Akzeptiert]
  • Kray C, Fritze H, Fechner T, Schwering A, Li R, Anacta VJA. 2013. ‘Transitional Spaces: Between Indoor and Outdoor Spaces.’ In COSIT, edited by Tenbrink , Stell J, Galton A, Wood Z, 14-32. doi: 10.1007/978-3-319-01790-7_2.
  • Ostkamp, M., Hülsermann, J., Kray, C., Bauer, G. 2013. ‘Using mobile devices to enable visual multiplexing on public displays: three approaches compared.’Contributed to the 12th International Conference on Mobile and Ubiquitous Multimedia (MUM '13), New York, USA.
  • Bartoschek T, Pape G, Kray C, Jones J, Kauppinen T. 2013. ‘Gestural Interaction with Spatiotemporal Linked Open Data.’ OSGEO Journal 11.
  • Ostkamp M., Kray C. 2013. ‘Prototyping mobile AR in immersive video environments.’Contributed to the Workshop on Designing Mobile Augmented Reality at Mobile HCI 2013, München, Deutschland.
  • Kray C., Delikostidis I. 2013. ‘Evaluating location-based services (a position paper).’Contributed to the Workshop on GeoHCI at CHI 2013, Paris, Frankreich.
  • Delikostidis Ioannis, Fechner Thore, Fritze Holger, AbdelMouty Ahmed Mahmoud, Kray Christian. 2013. ‘Evaluating Mobile Applications in Virtual Environments: A Survey.’ In International Journal of Mobile Human Computer Interaction, edited by Lumsden, Joanna, 1-19. doi: 10.4018/ijmhci.2013100101.
  • Möller A., Roalter L., Huitl R., Diewald S., Kray C., Kranz M. 2012. ‘Tool Support for Prototyping Interfaces for Vision-Based Indoor Navigation.’Contributed to the Workshop on mobile vision and HCI at Mobile HCI 2012, San Francisco, USA.
  • Utami T.F., Kray C. 2012. ‘Opportunistic Localization to Support Disaster Mitigation in Public Indoor Environments.’Contributed to the International Workshop on Smart Mobile Applications at Pervasive 2012, Newcastle upon Tyne, UK.
  • Ostkamp M, Bauer G, Kray C. 2012. ‘Visual highlighting on public displays.’ In PerDis, 2.
  • Kray C., Kuhn W., Pebesma E., Schwering A., Ed. 2012. GI Zeitgeist 2012 - Proceedings of the Young Researchers Forum on Geographic Information Science. Heidelberg: Verlagsgesellschaft AKA GmbH.
  • Fechner T, Kray C. 2012. ‘Attacking Location Privacy: Exploring Human Strategies.’ In UbiComp '12 Proceedings of the 2012 ACM Conference on Ubiquitous Computing, 95-98. Pittsburgh, Pennsylvania, United States: Acm.
  • Hamhoum F, Kray C. 2011. ‘Supporting pilgrims in navigating densely crowded religious sites..’ Personal and Ubiquitous Computing 16: pp. 1-11.
  • Hamhoum F, Kray C. 2011. ‘Scalable Navigation Support for Crowds: Personalized Guidance via Augmented Signage.’ In COSIT, 40-56.
  • Wagner J, Kray. C. 2010. ‘Opportunistic peer-to-peer pedestrian positioning system..’ In Poster at Pervasive 2010, Helsinki, Finland.
  • Döring T, Pfleging B, Kray C, Schmidt A. 2010. ‘Design by physical composition for complex tangible user interfaces.’ In CHI Extended Abstracts, 3541-3546.
  • Müller J, Michaelis D, Kray. C. 2010. ‘Evaluating Natural User Interfaces for Public Displays in the Wild..’ In Workshop on Natural User Interfaces: the prospect and challenge of touch and gestural computing at CHI 2010.
  • Wagner J, Kray. C. 2010. ‘Assessing the feasibility of opportunistic peer-to-peer positioning for pedestrians..’ In Ubicomp in the Large: Collaborative Sensing and Collective Phenomena, Workshop at Pervasive 2010.
  • Kray C, Nesbitt D, Dawson J, Rohs M. 2010. ‘User-defined gestures for connecting mobile phones, public displays, and tabletops.’ In Mobile HCI, 239-248.
  • Page R, Kray. C. 2010. ‘Ethics and Persuasive Technology: An Exploratory Study in the Context of Healthy Living..’ In NIMD'10: First International Workshop on Nudge and Influence Through Mobile Devices at Mobile HCI'10.
  • Snowdon C, Kray C. 2009. ‘Exploring the use of landmarks for mobile navigation support in natural environments.’ In Mobile HCI.
  • Kray C, Rohs M, Hook J, Kratz SG. 2009. ‘Bridging the gap between the Kodak and the Flickr generations: A novel interaction technique for collocated photo sharing.’ Int. J. Hum.-Comput. Stud. 67, Nr. 12: 1060-1072. doi: 10.1016/j.ijhcs.2009.09.006.
  • Gellersen H, Fischer C, Guinard D, Gostner R, Kortuem G, Kray C, Rukzio E, Streng S. 2009. ‘Supporting Device Discovery and Spontaneous Interaction with Spatial References.’ Personal and Ubiquitous Computing 13, Nr. 4: 255-264. doi: 10.1007/s00779-008-0206-3.
  • Katie A Siek, Steve Neely, Graeme Stevenson, Christian Kray, I Mulder. 2009. ‘Advances in evaluating mobile and ubiquitous systems.’ Special issue preface, IJMHCI 2.
  • Neely S., Stevenson G., Kray C., Mulder I., Connelly K., Siek K. A., Ed. 2009. Special issue on evaluating pervasive and ubiquitous systems. International Journal of mobile HCI..
  • Martin Tomko, Kai-Florian Richter, John Bateman, Guoray Cai, Kenny Coventry, Sara Fabrikant, Parick Healey, Stephen Hirtle, Christian Kray, Antonio Krüger, Stefan Münzer, Thora Tenbrink, Stephan Winter. 2009. ADAPTATION IN SPATIAL COMMUNICATION.
  • Gostner R, Gellersen H, Kray C, Sas C. 2008. ‘Reading with Mobile Phone and Large Display.’ In Workshop on Designing and Evaluating Mobile Phone-Based Interaction with Public Displays at CHI 2008.
  • Cheverst K, Fitton D, Taylor N, Kray C. 2008. ‘Experiences of Supporting Local and Remote Mobile Phone Interaction with Touchscreen Based Situated Displays.’ In Workshop on Designing and Evaluating Mobile Phone-Based Interaction with Public Displays at CHI 2008.
  • Kray C, Cheverst K, Harrison MD, Hamhoum F, Wagner J. 2008. ‘Towards a location model for indoor navigation support through public displays and mobile devices.’ In MIRW, 83-92.
  • Kray C, Rohs M, Hook J, Kratz SG. 2008. ‘Group coordination and negotiation through spatial proximity regions around mobile devices on augmented tabletops.’ In Tabletop, 1-8.
  • Keith Cheverst, Nick Taylor, Mark Rouncefield, Areti Galani, Christian Kray. 2008. ‘The challenge of evaluating situated display based technology interventions designed to foster a sense of community.’Contributed to the UbiComp 2008 Workshop on Ubiquitous Systems Evaluation, Seoul Korea.
  • Müller J, Jentsch M, Kray C, Krüger A. 2008. ‘Exploring factors that influence the combined use of mobile devices and public displays for pedestrian navigation.’ In NordiCHI, 308-317.
  • Henze N, Broll G, Rukzio E, Rohs M, Zimmermann A, Boll S, Ed. 2008. Mobile Interaction with the Real World 2008, MIRW 2008, Mobile HCI Workshop, Amsterdam, The Netherlands, September 2, 2008.
  • Roswitha Gostner, Hans Gellersen, Christian Kray, Corina Sas. 2008. ‘Reading with Mobile Phone & Large Display.’Contributed to the CHI08, Florenz, Italien.
  • Keith Cheverst, Dan Fitton, Nick Taylor, Christian Kray. 2008. ‘Experiences of Supporting Local and Remote Mobile Phone Interaction with Touchscreen Based Situated Displays.’Contributed to the CHI 2008, Florenz, Italien.
  • Connelly K, Siek KA, Mulder I, Neely S, Stevenson G, Kray C. 2008. ‘Evaluating Pervasive and Ubiquitous Systems.’ IEEE Pervasive Computing 7, Nr. 3: 85-88.
  • Graeme Stevenson, Steve Neely, Christian Kray. 2008. ‘Ubiquitous Systems Evaluation (USE ‘08).’ on ubiquitous Computing 1.
  • Kray C, Larsen LB, Olivier PL, Biemans M, van Bunningen A, Fetter M, Jay T, Khan V, Leitner G, Mulder I, Müller J, Plötz T, de Vallejo IL. 2008. ‘Evaluating Ubiquitous Systems with Users (Workshop Summary).’ In workshop proceedings, AmI-07. [Akzeptiert]
  • Kray C, Galani A, Rohs M. 2008. ‘Facilitating Opportunistic Interaction with Ambient Displays.’ In Workshop on Designing and Evaluating Mobile Phone-Based Interaction with Public Displays at CHI 2008.
  • Kray C, Rohs M. 2007. ‘Swiss Army Knife meets Camera Phone: Tool Selection and Interaction using Visual Markers.’ In Workshop on Mobile Interaction with the Real World at Mobile HCI 2007. Singapore. [Akzeptiert]
  • H CAO, S GILROY, D JACKSON, C KRAY, P OLIVIER. 2007. CROSSBOARD: Crossmodal Access of Dense Public Displays..
  • Harrison MD, Kray C, Sun Z, Zhang H. 2007. ‘Factoring user experience into the design of ambient and mobile systems.’ In Proceedings of Engineering Interactive Systems. Berlin, Heidelberg, New York: Springer.
  • Kray C, Galani A, Cheverst K. 2007. Engaging with Cultural Content on Ambient Displays.
  • Kray C, Kortuem G. 2007. ‘Adaptive Positioning for Ambient Systems.’ Künstliche Intelligenz 2007, Nr. 4: 56--61.
  • Kray C, Olivier P, Guo AW, Singh P, Ha HN, Blythe P. 2007. ‘Taming Context: A Key Challenge in Evaluating the Usability of Ubiquitous Systems.’ In Ubiquitous Systems Evaluation 2007 (USE'07) - Workshop at Ubicomp 2007. Innsbruck, Austria. [Akzeptiert]
  • Rohs M, Kray C. 2007. ‘Mediating Multi-Party Negotiation Through Marker-Based Tracking of Mobile Phones.’ In Workshop on Mobile Interaction with the Real World at Mobile HCI 2007. Singapore. [Akzeptiert]
  • Harrison MD, Kray C, Campos. JC. 2007. ‘Exploring an option space to engineer a ubiquitous computing system..’ In Pre-proceedings of FMIS'07.
  • Andreas Butz, Christian Kray, Antonio Krüger, Carsten Schwesig. 2006. ‘Workshop W2: multi-user and ubiquitous user interfaces (MU3I 2006).’Contributed to the 11th international conference on Intelligent user interfaces, Sydney, Australien.
  • Connor Graham, Keith Cheverst, Christian Kray, Mark Rouncefield. 2006. ‘AIGA-Going More Public: Situated Display Design in a Care Setting through Co-realisation.’ Gain: Journal of Business and Design 1.
  • Harrison MD, Kray C. 2006. ‘Connecting rigorous system analysis to experience centred design in ambient and mobile systems.’ In Workshop on Software Engineering Challenges for Ubiquitous Computing, edited by Kortuem G. Lancaster, U.K.
  • Kray C, Cheverst K, Fitton D, Sas C, Patterson J, Rouncefield M, Stahl C. 2006. ‘Sharing control of dispersed situated displays between nomadic and residential users.’ In MobileHCI '06: Proceedings of the 8th conference on Human-computer interaction with mobile devices and services, 61--68. New York, NY, USA: ACM Press.
  • Singh P, Ha HN, Kuang Z, Olivier P, Kray C, Blythe P, James P. 2006. ‘Immersive video as a rapid prototyping and evaluation tool for mobile and ambient applications.’ In MobileHCI '06: Proceedings of the 8th conference on Human-computer interaction with mobile devices and services, 264--264. New York, NY, USA: ACM Press.
  • Gilroy SW, Olivier PL, Cao H, Jackson DG, Kray C, Lin D. 2006. ‘CrossBoard: Crossmodal Access of Dense Public Displays.’ In Workshop on Multimodal and Pervasive Services (MAPS'06). Lyon, France.
  • Christian Kray, Keith Cheverst, Dan Fitton, Corina Sas, John Patterson, Mark Rouncefield, Christoph Stahl. 2006. ‘Sharing control of dispersed situated displays between nand residential users.’Contributed to the 8th conference on Human-computer interaction with mobile devices and services, Espoo, Finland.
  • Olivier P, Gilroy SW, Cao H, Jackson DG, Kray C. 2006. ‘Crossmodal Attention in Public-Private Displays.’ In Proceedings of International Conference on Pervasive Services (ICPS), 13--18.
  • Singh P, Ha HN, Olivier P, Kray C, Kuang Z, Guo AW, Blythe P, James P. 2006. ‘Rapid prototyping and evaluation of intelligent environments using immersive video.’ In Proceedings of MODIE workshop at Mobile HCI'06. Espoo, Finland. [Akzeptiert]
  • Cheverst K, Dix A, Fitton D, Kray C, Rouncefield M, Saslis-Lagoudakis G, Sheridan JG. 2005. ‘Exploring Mobile Phone Interaction with Situated Displays.’ In Pervasive Mobile Interaction Devices (PERMID 2005), workshop at Pervasive 2005. Munich, Germany.
  • Coors V, Elting C, Kray C, Laakso K. 2005. ‘Presenting Route Instructions on Mobile Devices: From Textual Directions to 3D Visualization.’ In Exploring Geovisualization, edited by Dykes J, MacEachren A, Kraak M, 529--550.: Elsevier.
  • Graham C, Cheverst K, Rouncefield M, Kray C. 2005. ‘Going more public: situated display design in a care setting through co-realisation.’ In DUX '05: Proceedings of the 2005 conference on Designing for User eXperience, 18. New York, NY, USA: AIGA: American Institute of Graphic Arts.
  • Fitton D, Cheverst K, Dix A, Kray C, Rouncefield M. 2005. ‘Rapid Prototyping and User Centred Design of Interactive Display based Systems.’ IEEE Pervasive Computing 4, Nr. 4: 58--66. doi: 10.1109/MPRV.2005.85.
  • Cheverst K, Dix A, Fitton D, Kray C, Rouncefield M, Sas C, Saslis-Lagoudakis G, Sheridan JG. 2005. ‘Exploring Bluetooth based Mobile Phone Interaction with the Hermes Photo Display.’ In Proceedings of Mobile HCI 2005, edited by Tscheligi M, Bernhaupt R, Mihalic K, 47--54. New York: ACM Press.
  • Kortuem G, Kray C. 2005. ‘HCI issues of dispersed public displays.’ In Workshop on Distributed Display Environments at CHI'05. Portland, Oregon, USA.
  • Kray C, Kortuem G, Krüger A. 2005. ‘Adaptive Navigation Support with Public Displays.’ In Proceedings of IUI 2005, edited by Amant RS, Riedl J, Jameson A, 326--328. New York: ACM Press.
  • Kortuem G, Kray C, Gellersen H. 2005. ‘Sensing and visualizing spatial relations of mobile devices.’ In Proceedings of UIST 2005, edited by Baudisch P, Czerwinski M, Olsen D, 93--102. New York: ACM Press.
  • Kray C, Kortuem G. 2005. ‘Towards an integrated approach to positioning.’ In Workshop on Spatio-Temporal Reasoning at IJCAI'05. Edinburgh, Scotland.
  • Baus J, Kray C, Cheverst K. 2005. ‘A Survey of Map-based Mobile Guides.’ In Map-based Mobile Services, edited by Meng L, Zipf A, Reichenbacher T, 197--216. Berlin, Heidelberg, New York: Springer.
  • Mike Hazas, Christian Kray, Hans Gellersen, Henoc Agbota, Gerd Kortuem, Albert Krohn. 2005. ‘A relative positioning system for co-located mobile devices.’Contributed to the 3rd international conference on Mobile systems, applications, and services, Seattle, WA, USA.
  • Christian Kray, Andreas Butz, Antonio Krüger, Albrecht Schmidt, Helmut Prendinger. 2005. ‘Multi-user and ubiquitous user interfaces:(MU3I 2005).’Contributed to the 10th international conference on Intelligent user interfaces, San Diego, USA.
  • Christian Kray, Jörg Baus. 2005. ‘AIMS 2005: artificial intelligence in mobile systems.’Contributed to the 7th international conference on Human computer interaction with mobile devices & services, Salzburg, Österreich.
  • Daniel Fitton, Keith Cheverst, Christian Kray, Alan Dix, Mark Rouncefield, George Saslis-Lagoudakis. 2005. ‘Rapid prototyping and user-centered design of interactive display-based systems.’ IEEE Pervasive Computing 4.
  • Gerd Kortuem, Christian Kray. 2005. ‘HCI issue of dispersed public displays.’Contributed to the CHI 2005, Portland, Oregon, USA.
  • Cheverst K, Dix A, Fitton D, Kray C, Rouncefield M, Graham C, Saslis-Lagoudakis G. 2005. ‘Probing Designs: Designing Probes.’ In Workshop on Appropriate Methods for Design in Complex and Sensitive Settings at OzCHI 2005. Canberra, Australia.
  • K Cheverst, Alan Dix, D Fitton, C Kray, M Rouncefield, C Graham, G Saslis-Lagoudakis. 2005. ‘Probing Designs: Designing Probes.’Contributed to the OzCHI 2005, Canberra, Australien.
  • Hazas M, Kray C, Gellersen H, Agbota H, Kortuem G, Krohn A. 2005. ‘A Relative Positioning System for Spatial Awareness of Co-located Mobile Devices and Users.’ In Proceedings of the third international conference on mobile systems, applications, and services (MobiSys 2005), edited by Shin KG, Kotz D, Noble BD, 177--190. New York: ACM Press.
  • Cheverst K, Byon HE, Fitton D, Sas C, Kray C, Villar N. 2005. ‘Exploring Issues of User Model Transparency and Proactive Behaviour in an Office Environment Control System.’ User Modeling and User-Adapted Interaction, special issue on Ubiquitous Computing and User Modeling 15, Nr. 3-4: 235--273.
  • Kray C, Strohbach M. 2004. ‘Gesture-based interface reconfiguration.’ In Proceedings of workshop on AI in mobile systems (AIMS 2004) at Ubicomp 2004. Seattle, WA, U.S.A. [Akzeptiert]
  • Andreas Butz, Antonio Krüger, Christian Kray, Albrecht Schmidt. 2004. ‘Workshop W5: multi-user and ubiquitous user interfaces (MU3I).’Contributed to the 9th international conference on Intelligent user interfaces, Funchal, Portugal.
  • Strohbach M, Gellersen H, Kortuem G, Kray C. 2004. ‘Cooperative Artefacts: Assessing Real World Situations with Embedded Technology.’ In Proceedings of Ubicomp 2004, edited by Davies N, Mynatt ED, Siio I, 250--267. Berlin, Heidelberg, New York: Springer. [Akzeptiert]
  • Kray C, Wasinger R, Kortuem G. 2004. ‘Concepts and Issues in Interfaces for Multiple Users and Multiple Devices.’ In Proceedings of MU3I workshop at IUI 2004, 7--11. [Akzeptiert]
  • Strohbach M, Kortuem G, Gellersen H, Kray C. 2004. ‘Using Cooperative Artefacts as Basis for Activity Recognition.’ In Proceedings of EUSAI 2004, 49--60. Berlin, Heidelberg, New York: Springer. [Akzeptiert]
  • Kray C, Kortuem G. 2004. ‘Interactive Positioning based on Object Visibility.’ In Proceedings of Mobile Human-Computer Interaction 2004, edited by Brewster S, Dunlop M, 276--287. Berlin, Heidelberg, New York: Springer.
  • Kray C. 2004. ‘Inducing Frames of Reference.’ In Workshop on Spatio-Temporal Reasoning at ECAI 2004. Valencia, Spain.
  • Katri Laakso, Christian Kray. 2003. ‘TellMaris and deep map: two navigational assistants.’Contributed to the 8th international conference on Intelligent user interfaces, Miami, Florida, USA.
  • Kray C, Krüger A, Endres C. 2003. ‘Some Issues on Presentations in Intelligent Environment.’ In Proceedings of first European Symposium on Ambient Intelligence (EUSAI), 15--26. Berlin, Heidelberg, New York: Springer. [Akzeptiert]
  • Kray C, Baus J. 2003. ‘A Survey of Mobile Guides.’ In Workshop on HCI in mobile guides (MGUIDES) at mobile HCI 2003. Udine, Italy.
  • Kray C. 2003. Situated Interaction on Spatial Topics Dissertation, Saarland University, Saarbrücken, Germany. Saarbrücken, Germany: AKA Verlag.
  • Wasinger R, Kray C, Endres C. 2003. ‘Controlling multiple devices.’ In Workshop on Physical Interaction at Mobile HCI 2003. Udine, Italy. [Akzeptiert]
  • Kray C, Elting C, Laakso K, Coors V. 2003. ‘Presenting route instructions on mobile devices.’ In Proceedings of the 8th international conference on Intelligent user interfaces, 117--124.
  • Kray C, Baus J, Krüger A. 2002. „Positionsinformation und Navigationsaufgaben.“ In Geoinformation mobil, herausgegeben von Zipf A, Strobl J, 98-108.
  • Kray C.Situational Context and Navigational Assistance.“Poster contributed to the Spatial Cognition 2002, Tutzing Starnberger See, Germany, 2002.
  • Michael Schillo, Christian Kray, Klaus Fischer. 2002. ‘The eager bidder problem: a fundamental problem of DAI and selected solutions.’Contributed to the The First International Joint Conference on Autonomous Agents and Multi-Agent Systems ( formerly known as Autonomous Agents ), Bologna, Italy.
  • Baus J, Kray C. 2002. ‘Frames of Reference, Positional Information and Navigational Assistance.’ In Proceedings of the Fifteenth International Florida Artificial Intelligence Research Society Conference, 461--465.: AAAI Press.
  • Schillo M, Kray C, Fischer K. 2002. ‘The eager bidder problem: a fundamental problem of DAI and selected solutions.’ In AAMAS '02: Proceedings of the first international joint conference on Autonomous agents and multiagent systems, 599--606. New York, NY, USA: ACM. [Akzeptiert]
  • Wahlster W, Baus J, Kray C, Krüger A. 2001. ‘A Resource-Adaptive Mobile Navigation System.’ In Proceedings of the International Workshop on Information Presentation and Natural Multimodal Dialogue (IPNMD-2001), 5--9. Verona, Italy. [Akzeptiert]
  • Baus J, Kray C, Krüger A. 2001. ‘Visualization of route descriptions in a resource-adaptive navigation aid.’ Cognitive Processing 2, Nr. 2--3: 323--345.
  • Kray C. 2001. ‘Spatial Reasoning and Agents: Exploring Possibilities (Position Paper).’ In Workshop on Spatio-Temporal Reasoning with an Agents Focus at IJCAI'01. Seattle, WA, U.S.A.
  • Kray C, Baus J, Zimmer H, Speiser H, Krüger A. 2001. ‘Two Path Prepositions: along and past.’ In Spatial Information Theory {(Proceedings of COSIT'01)}, edited by Montello DR, 263--277. Berlin, Heidelberg, New York: Springer.
  • Ding Y, Kray C, Malaka R, Schillo M. 2001. ‘RAJA: a resource-adaptive Java agent infrastructure.’ In Proceedings of the Fifth International Conference on Autonomous Agents, 332-339. Montreal, Canada: ACM Press.
  • Baus J, Ding Y, Kray C, Walther U. 2001. ‘Towards adaptive location-aware mobile assistance.’ In Proceedings of workshop on AI in mobile systems (AIMS). Seattle, WA, U.S.A.
  • Wahlster W, Baus J, Kray C, Krüger A. 2001. ‘REAL: Ein ressourcenadaptierendes mobiles Navigationssystem.’ Informatik, Forschung und Entwicklung, Themenheft Mobile Computing 16, Nr. 4: 233--241. doi: 10.1007/s004500100093. [Akzeptiert]
  • Kray C. 2001. ‘The benefits of multi-agent systems in spatial reasoning.’ In Proceedings of FLAIRS '01, 552--556. Menlo Park, CA, USA: AAAI Press.
  • Christian Kray, Jörg Baus, Hubert Zimmer, Harry Speiser, Antonio Krüger. 2001. ‘Two Path Preposition: Along and Past.’Contributed to the International Conference on Spatial Information Theory, Morro Bay, CA, USA.
  • Kray C, Porzel R. 2000. ‘Spatial Cognition and Natural Language Interfaces in Mobile Personal Assistants.’ In Proceedings of workshop on AI in mobile systems (AIMS 2000). [Akzeptiert]
  • Coors V, Kray C, Porzel R. 2000. ‘Zu komplexen Diensten mit einfachen natürlichsprachlichen Interaktionen.’ In Workshop on Digital Storytelling (DISTEL 2000). Darmstadt, Germany.
  • Kray C, Blocher A. 1999. ‘Modeling the Basic Meanings of Path Relations.’ In Proceedings of the 16th IJCAI. Morgan Kaufmann, San Francisco, CA, 384-389.
  • Kray C. 1998. Ressourcenadaptierende Verfahren zur Präzisionsbewertung von Lokalisationsausdrücken und zur Generierung von linguistischen Hecken. Dissertation, Saarland University. Saarbrücken.

Dissertationen

Fechner, ThoreIntegrating Augmented Interactive Geo-visualizations and Open Government2016
Ostkamp, MorinDesigning Privacy-Preserving Personalized Public Display Systems2015


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