Additional Invited Talks

  1. “On the Integration of Location into Web Querying,” Department of Computer Science, University of Illinois at Chicago, IL, USA, October 31, 2011.
  2. “Internet Querying with a Geographical Dimension,” Computer Science and Technology, Tsinghua University, Beijing, China, October 24, 2011.
  3. "Querying for Spatial Web Objects," Chinese Academy of Sciences, Beijing, China, April 23, 2011.
  4. "Towards Hyper-Local Web Querying," Department of Computer Science, Aarhus University, Aarhus, Denmark, January 28, 2011.
  5. "Acceptance Lecture—the Villum Kann Rasmussen Award for Technical and Scientific Research 2011," Aarhus University, Aarhus, Denmark, January 24, 2011.
  6. "Inaugural Lecture," Aarhus University, Aarhus, Denmark, May 25, 2010.
  7. "Geo-Spatial Context on the Mobile Internet," University of South Denmark, Odense, Denmark, January 29, 2010.
  8. "Privacy for Spatial Queries and Data," Chinese Academy of Sciences, Beijing, China, October 16, 2009.
  9. "Privacy for Spatial Queries and Data," Hong Kong University of Science and Technology, Hong Kong, China, October 12, 2009.
  10. "Enabling Geo-Spatial Context on the Mobile Internet," Aarhus University, Århus, Denmark, September 25, 2009.
  11. "Streamspin: User-Generated Mobile Services," Seoul National University, Seoul, South Korea, October 7, 2008.
  12. "Enabling Mobile 2.0: Data Management for User-Generated Services," Microsoft Research, Seattle, WA, USA, August 6, 2008.
  13. "R-Tree and B-Tree Based Indexing of Moving Objects," Hewlett-Packard Labs, Palo Alto, CA, USA, March 7, 2008.
  14. "Streamspin: User-Generated, Geo-Social Mobile Services," Yahoo! Research, Santa Clara, CA, USA, March 5, 2008.
  15. "Streamspin: Mobile Services As User-Generated Content," Google, Mountain View, CA, USA, March 4, 2008.
  16. "Indexing the Current and Near-Future Locations of Moving Objects," Oracle Corporation, Redwood City, CA, USA, March 3, 2008.
  17. "Streamspin: Enabling Mobile 2.0," Norwegian University of Science and Technology, Trondheim, Norway, September 4, 2007.
  18. "Concepts in the Indexing of Moving Objects," Norwegian University of Science and Technology, Trondheim, Norway, September 4, 2007.
  19. "Streamspin: Enabling Mobile 2.0," Nanyang Technological University, Singapore, July 29, 2007.
  20. "Streamspin: Enabling Mobile 2.0," National University of Singapore, Singapore, July 27, 2007.
  21. "To Be For Mobile Services What YouTube Is For Video," University of Melbourne, Melbourne, Australia, July 25, 2007.
  22. "Streamspin: Enabling Mobile 2.0," University of New South Wales, Sydney, Australia, July 23, 2007.
  23. "Location-Based Services and Web 2.0," ApEx Seminar on location-based services, Aalborg University, June 13, 2007.
  24. "Research in Mobile Services at Aalborg University," IKT Forum, Aalborg, Denmark, August 25, 2005 (in Danish).
  25. "Traffic Information of the Future," Danish Broadcasting Corporation, Søborg, Denmark, May 28, 2004 (in Danish).
  26. "Conceptual Modeling of Spatio-Temporal Databases," Meeting on Technology for a National Geo-Database Infrastructure, Siena, Italy, September 4, 2003.
  27. "DataManagement Support for Location-Based Services: APrivate-Public Partnership," Telenor Research, Fornebu, Oslo, Norway, December 5, 2002.
  28. "Location Data Management Issues in Pervasive Computing," Telenor Research, Fornebu, Oslo, Norway, December 5, 2002.
  29. "Fremtidens mobile services – eksempel på et samarbejdsprojekt," Aalborg Universitets Kontaktråd, Aalborg, Denmark, October 8, 2002.
  30. "Towards Virtual Worlds and Augmented Realities: A Research Agenda," Second International Workshop on Research Directions in Mobile Communications and Services, Grimstad, Norway, September 26, 2002.
  31. "Data Management for Location-Based Services," Department of Computer and Information Science, Norwegian University of Science and Technology, September 10, 2002.
  32. "Data Modeling and Nearest-Neighbor Querying for Network-Constrained Moving Objects," School of Computing, National University of Singapore, July 15, 2002.
  33. "Temporal Data Models and Query Languages," School of Computing, National University of Singapore, July 11 and 12, 2002.
  34. "Indexing the Current and Anticipated Future Positions of Moving Objects," School of Computing, National University of Singapore, July 8, 2002.
  35. "Data Management for Location-Based Services," School of Computing, National University of Singapore, July 1, 2002.
  36. "Database Research at Aalborg University," Seminar on Methods for Software Development and Open Systems, Grimstad, Norway, April 24, 2002.
  37. "Data Representation and Indexing in Location-Enabled M-Services," National Science Foundation Workshop On Context-Aware Mobile Database Management, Brown University, Providence, RI, USA, January 24–25, 2002.
  38. "Research Issues in Mobile Data Management," Oracle Corporation, Nashua, NH, USA, January 22, 2002.
  39. "Mobile E-Services," Nykredit Data, December 18, 2001.
  40. "Research Directions in Location-Based Services—a Database Perspective," International Workshop on Research Directions in Mobile Communication and Computing, Grimstad, Norway, October 22, 2001.
  41. "Business Intelligence Research at Aalborg University," Acinta Business Intelligence Meeting, Copenhagen, August 20, 2001.
  42. "A Database Perspective on Location-Based Services," Agder University College, Grimstad, Norway, August 7, 2001.
  43. "Research Challenges in Wireless Information Management," Workshop on Wireless Information Management, Vilnius, Lithuania, June 10–13, 2001.
  44. "Location-Based Services—A Database Perspective," Workshop on Location-Based Services, Aalborg, Denmark, June 7–8, 2001.
  45. "Temporal Databases," Center for Linguistics, Aalborg University, October 31, 2000.
  46. "Themes and Challenges in Temporal Databases," MobIS'2000, Siegen, Germany, October 12, 2000.
  47. "Mobile E-Services and Business Intelligence," ITudveksling, Nouhauz, Aalborg, September 28, 2000.
  48. "Management of Temporal Data—with Focus on the Support for 'now'," Seminar on Temporal and Spatial Data Management, Kort & Matrikelstyrelsen, Copenhagen, September 7, 2000.
  49. "Indexing Moving Objects—a Database Perspective," National Science Foundation/Army Research Office Workshop on Motion Algorithms, Duke University, August 7, 2000.
  50. "Business Intelligence," MMT Program, Aalborg University, Aalborg, Denmark, June 17, 2000.
  51. "Indexing Structures for Temporal and Spatio-Temporal Data," DHI Water & Environment, Hørsholm, Denmark, May 30, 2000.
  52. "Temporal Data Management," Oracle, Ballerup, Denmark, May 30, 2000.
  53. "Indexing of On-Line Moving Objects," University of Cardiff, Wales, May 26, 2000.
  54. "Indexing On-Line Moving Objects—A Foundation for New E-Services," Department of Computer Science, Aalborg University (Internet Technology Seminar Series), April 26, 2000.
  55. "Data Warehousing," Nykredit Corporation, Copenhagen, Denmark, April 10, 2000.
  56. "Data Warehousing," Nykredit Data Corporation, Aalborg, Denmark, April 4, 2000.
  57. "Indexing the Present and Future Positions of Moving Objects," IT University of Copenhagen, Copenhagen, Denmark, March 15, 2000.
  58. "Dynamic Data Warehousing," Aalborg University, Aalborg, Denmark, March 14, 2000.
  59. "Indexing Continuous Movement," Department of Electrical Engineering and Computer Science, University of Illinois at Chicago, IL, USA, December 15, 1999.
  60. "Indexing Continuous Movement," Department of Computer Science, University of Arizona, Tucson, AZ, USA, December 10, 1999.
  61. "Temporal Databases," The Society of Danish Engineers, Copenhagen, Denmark, November 11, 1999 (in Danish).
  62. "Management of 1-D Sequence Data—From Discrete to Continuous" (an opponent's presentation at the Ph.D. defense of Ling Lin), Linköping University, Department of Computer and Information Science, Linköping, Sweden, March 11, 1999.
  63. "A New Index for General Bitemporal Data," Norwegian University of Science and Technology, Department of Computer and Information Science, Trondheim, Norway, December 3, 1998.
  64. "Database Support for Time-Related Data," Selskab for Informationsteknologi, Ingeniørforeningen i Danmark, and Nordjysk Informatikforum, Aalborg, Denmark, November 5, 1998 (in Danish).
  65. "A New Index and its Datablade," Informix user group meeting, Copenhagen, Denmark, June 9, 1998.
  66. "Experiences of a Researcher," CIT-organized Ph.D. workshop, Radisson SAS Hotel, Århus, Denmark, May 12, 1998 (in Danish).
  67. "Spatio-Temporal Database Support for Legacy Applications," Chorochronos Meeting, Conference Centre of the National Mortgage Bank of Greece, Glyfada, Greece, March 10, 1998.
  68. "Temporal Database Design,"National Database Workshop, Department of Mathematics and Computer Science, Aalborg University, June, 1996.
  69. "The Consensus Temporal Query Language TSQL2 and Why You Should Care," Department of Computer Science, University of Copenhagen, January 24, 1995.
  70. "The Consensus Temporal Query Language TSQL2 and Why You Should Care," HP Labs, Palo Alto, December 15, 1994.
  71. "The Consensus Temporal Query Language TSQL2 and Why You Should Care," IBM Almaden Research Center, December 12, 1994.
  72. "Research Overview and Vacuuming of Temporal Databases," Department of Computer Science, University of Copenhagen, January 17, 1994.
  73. "Research Topics in Temporal Databases—Temporal Relations, Semantics, and Database Design," Department of Computer Science, University of Copenhagen, November 12, 1993.
  74. "Research Topics in Temporal Databases—Overview of Temporal Relations and their Semantics," Research Center Risø, Denmark, November 11, 1993.
  75. "Designing Computer Science Curricula for the Year 2000," Computer Science Workshop, Department of Mathematics and Computer Science, Aalborg University, February 16, 1993 (in Danish).
  76. "Ph.D. Abroad—Good Advice," Danish Informatics Network in the Agricultural Sciences, Research Centre Foulum, October 21, 1992 (in Danish).
  77. "Query Optimization and Vacuuming in Transaction Time Databases," College of Computer Science, Northeastern University, Boston, MA, March 11, 1992.
  78. "Temporal Specialization," Department of Computer Science, University of Arizona, January 31, 1992.
  79. "Research Issues in Transaction-Time Database Systems," Department of Computer Science, Birkbeck College, University of London, England, October 10, 1991.
  80. "Comparison of the American and Danish Eduction Systems," Aalborg University, September 20, 1991 (De Faglige F-dage 1991, in Danish).
  81. "Towards the Realization of Transaction Time Database Systems," Department of Computer Science, University of Arizona, February 20, 1991.
  82. "Transaction Time Database Systems," Public Talk, Aalborg University, January 16, 1991.
  83. "Extension of Relational Algebra for Engineering Information Systems," (w. L. Mark) Department of Computer Science, University of Maryland, March 15, 1989.

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