Geyer, W.: Das digital lecture board - Konzeption, Design und Entwicklung eines Whiteboards für synchrones Teleteaching (in German), Reihe DISDBIS, Bd. 58, ISBN 3-89601-458-7, Infix-Verlag, St. Augustin, Germany, 1999.
 

Book Articles

Geyer, W., Vogel, J., Cheng, L., Muller, M.: "Personal Peer-to-Peer Collaboration based on Shared Objects", to appear in: Peer to Peer Computing: The Evolution of a Disruptive Technology, edited by Dr. Ramesh Subramanian and Dr. Brian Goodman, IDEA Group Inc., 2005.

Geyer, W., Eckert, A., Effelsberg, W.: "Multimedia in der Hochschullehre - TeleTeaching an den Universitäten Mannheim und Heidelberg" (in German), in: Studieren und weiterbilden mit Multimedia, Reihe Multmediales Lernen in der Berufsbildung, BW Bildung und Wissen Verlag, Nürnberg, 1998, Seiten 170-196.
 

Journal Articles

Geyer, W., Richter, H., Abowd, G., “Towards a Smarter Meeting Record – Capture and Access of Meetings Revisited,” to appear: Journal on Multimedia Tools and Applications, Kluwer, 2005.

Weis, R., Lucks, S., Geyer, W.: "Stand der Faktorisierung und nötige Konsequenzen für minimale Schlüssellängen" (in German), in: Datenschutz und Datensicherheit, DuD 03/00, Vieweg-Verlag, March 2000.

Geyer, W., Weis, R.: "The Design and the Security Concept of a Collaborative Whiteboard", in: Computer Communications, Elsevier, Vol. 23, No. 3, February 2000, pp. 233-241.

Biersack, E., Geyer, W.: "Synchronized delivery and playout of distributed stored multimedia streams", in: Multimedia Systems, ACM Press/Springer, Vol. 7, No. 1, January 1999, pp. 70-90.
 

Conferences

Geyer, W., Witt, A.J., Wilcox, E., Muller, M., Kerr, B., Brownholtz, B., Millen, D.: "Chat Spaces", in: Proc. ACM DIS 2004, Cambridge, MA, August 2004.

Muller, M., Geyer, W., Brownholtz, B., Wilcox, E., Millen, D.: "One Hundred Days in an Activity-Centric Collaboration Environment based on Shared Objects", in: Proc. ACM CHI 2004, Vienna, Austria, April 2004.

Geyer, W., Vogel, J., Cheng, L., Muller, M., “Supporting Activity-Centric Collaboration through Peer-to-Peer Shared Objects,” to appear: Proc. ACM Group 2003, Sanibel Island, FL, USA, November 2003.

Geyer, W., Richter, H., Abowd, G., “Making Multimedia Meeting Records More Meaningful,” in: Proc. IEEE ICME 2003, International Conference on Multimedia and Expo, Baltimore, MD, July 6-9, 2003.

 Geyer, W., Cheng, Li-Te, “Facilitating Emerging Collaboration through Light-weight Information Sharing,” in: Conference Supplement CSCW 2002, ACM Conference on Computer-Supported Cooperative Work, New Orleans, Louisiana, USA, November 16 – 20, 2002.

Richter, H., Abowd, G., Geyer, W., Fuchs, L., Daijavad, S., Poltrock, S., “Integrating Meeting Capture within a Collaborative Team Environment,” in: Proc. Ubicomp 2001, ACM Conference on Ubiquitous Computing, Atlanta, GA, USA, September 30 - October 2, 2001.

Mauve, M., Scheele, N., Geyer, W., “Enhancing Synchronous Distance Education with Pervasive Devices,” in: Proc. Informatik 2001 Jahrestagung GI / OCG: Workshop 21 “Virtuelle Lernraeume”, Vienna, Austria, September 25 - 28, 2001.

Geyer, W., Richter, H., Fuchs, L., Frauenhofer, T., Daijavad, S., Poltrock, S., "A Team Collaboration Space Supporting Capture and Access of Virtual Meetings", to appear: Proc. Group2001, ACM 2001 International Conference on Supporting Group Work, Boulder, Colorado, USA, September 30 - October 3, 2001.

Richter, H., Abowd, G., Geyer, W., Fuchs, L., Daijavad, S., Poltrock, S., "Integrating Meeting Capture within a Collaborative Team Environment'', to appear: Proc. Ubicomp 2001, ACM Conference on Ubiquitous Computing, Atlanta, GA, USA, September 30 - October 2, 2001.

Mauve, M., Scheele, N., Geyer, W., "Enhancing Synchronous Distance Education with Pervasive Devices'', accepted at: Informatik 2001 Jahrestagung GI / OCG: Workshop 21 "Virtuelle Lernräume'', Vienna, Austria, September 25 - 28, 2001.

Fuchs, L., Geyer, W., Richter, H., Poltrock, S., Frauenhofer, T., Daijavad, S., "Enabling Inter-Company Team Collaboration'', in: Proc. IEEE 10th Intl. Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises, MIT, Cambridge, MA, USA, June 20-22, 2001.

Geyer, W., Daijavad, S., Frauenhofer, T., Richter, H., Fuchs, L., Poltrock, S., Brodie, C., Fin, T.-H., Abowd, G., "Capture and Access of Virtual Meetings in TeamSpace'', presentation at: IBM Knowledge Management Conference, Zurich, Switzerland, April 25 - 27, 2001.

Geyer, W., Daijavad, S., Frauenhofer, T., Richter, H., Truong, K., Fuchs, L., Poltrock, S.: "Virtual Meeting Support in TeamSpace", Demo: CSCW'2000, ACM Conference on Computer-Supported Cooperative Work, Philadelphia, Pennsylvania, USA, December 2 - 6, 2000.

Frauenhofer, T., Geyer, W.: "From Sametime Connect to TeamSpace: Evolution of a Pervasive Collaboration Environment", to appear: Proc. PACT 2000, 1st Pact 2000 Workshop on Ubiquitous Computing, Philadelphia, PA, USA, October 15-19, 2000.

Vogel, J., Mauve, M., Geyer, W., Hilt, V., Kuhmuench, C.: "A Generic Late Join Service for Distributed Interactive Media", to appear: Proc. ACM Multimedia 2000, Los Angeles, CA, USA, October 30 - November 3, 2000.

Weis, R., Vogel, J., Effelsberg, W., Geyer, W., Lucks, S.: "How to Make a Digital Whiteboard Secure - Using JAVA-Cards for Multimedia Applications", to appear: Proc. of the 7th International Workshop on Interactive Distributed Multimedia Systems and Telecommunication Services, IDMS 2000, Enschede, Netherlands, October 17-20, 2000.

Geyer, W., Vogel, J., Mauve, M.: "An Efficient and Flexible Late Join Algorithm for Shared Whiteboards", in: Proc. of the Fifth IEEE International Symposium on Computers and Communications, ISCC'2000, Antibes, France, July 4-6, 2000.

Weis, R., Geyer, W., Kuhmuench, C.: "Architectures for Secure Multicast Communication", in: Proc. 2nd International SANE Conference, SANE2000, MECC, Maastricht, The Netherlands, May 22 - 25, 2000.

Hilt, V., Geyer, W., Effelsberg, W.: "A New Paradigm for the Recording of Shared Whiteboard Streams", in: Proc. MMCN'2000, SPIE Multimedia Computing and Networking, San Jose, CA, January 2000.

Weis, R., Geyer, W.: "Cryptographic Concepts for Online-Feedback in Teleteaching Applications", in: Proc. NLT'99, International Conference on New Learning Technology, Bern, Switzerland, August 1999, pp. 86-93.

Geyer, W., Mauve, M.: "Integrating Support for Collaboration-unaware VRML Models into Cooperative Applications", in: Proc. ICMCS'99, IEEE International Conference on Multimedia Computing and Systems, Florence, Italy, June 1999, pp. 655-660.

Geyer, W., Weis, R.: "A Secure, Accountable, and Collaborative Whiteboard", in: Proc. IDMS'98, International Workshop on Distributed Multimedia Systems and Services, Oslo, Norway, Springer, Heidelberg, LNCS 1483, September 1998, pp. 3-14.

Geyer, W., Effelsberg, W.: "The Digital Lecture Board - A Teaching and Learning Tool for Remote Instruction in Higher Education", in: Proc. ED-MEDIA'98, World Conference on Educational Multimedia and Hypermedia, Freiburg, Germany, June 1998, available on CD-ROM. (Best Paper Award)

Effelsberg, W., Geyer, W.: "Tools for Digital Lecturing - What We Have and What we Need", in: Proc. BITE'98, Bringing Information Technology to Education, Maastricht, Netherlands, March 1998.

Hilt, V., Geyer, W.: "A Model for Collaborative Services in Distributed Learning Environments", in: Proc. IDMS'97, International Workshop on Interactive Distributed
Multimedia Systems and Services, Darmstadt, Germany, Springer, Heidelberg, LNCS 1309, September 1997, pp. 364-375.

Eckert, A., Geyer, W., Effelsberg, W.: "A Distance Learning System for Higher Education Based on Telecommunications and Multimedia", in: Proc. ED-MEDIA'97, World Conference on Educational Multimedia and Hypermedia, Calgary, Canada, June 1997, available on CD-ROM.

Effelsberg, W., Geyer, W., Eckert, A.: "Project TeleTeaching Mannheim - Heidelberg", in: Proc. 21st Annual Conference of the Society for Classification e.V., University of Potsdam, Germany, March 1997.

Biersack, E., Geyer, W., Bernhardt, C.: "Intra- and Inter-Stream Synchronization for Stored Multimedia Streams", in: Proc. ICMCS'97, IEEE International Conference on Multimedia Computing and Systems, Hiroshima, Japan, June 1996. (Outstanding Paper Award)

Geyer, W., Bernhardt, C., Biersack, E.: "A Synchronization Scheme for Stored Multimedia Streams", in: Proc. IDMS'96, International Workshop on Interactive Distributed Multimedia Systems and Services, Berlin, Germany, Springer, Heidelberg, LNCS 1045, March 1996, pp. 277-296.
 

Internet Drafts

Mauve, M., Hilt, V., Kuhmuench, C., Vogel, J., Effelsberg, W., Geyer, W.: RTP/I - An Application Level Real-Time Protocol for Distributed Interactive Media, Internet Draft, draft-mauve-rtpi-00.txt, March 1, 2000.
 

Technical Reports

Geyer, W., Vogel, J., Cheng, L., Muller, M., Supporting Activity-Centric Collaboration through Peer-to-Peer Shared Objects, IBM Research Report, RC 22877, August 2003.

Geyer, W., Richter, H., Abowd, G., Making Multimedia Meeting Records More Meaningful, IBM Research Report, RC 22780, April 2003.

Patterson, J., Cheng, L., Geyer, W., CoPlace Defined: A Service-based View of Online Places, IBM Research Report, RC 22684, December 2002.

Geyer, W., Cheng, L., Facilitating Emerging Collaboration through Light-weight Information Sharing, IBM Research Report, RC 22595, October 2002.