“On the Threshold of Cyberscholarship,” invited paper to appear in special issue of the Journal of Electronic Publishing. 2008

“The Future of Scholarly Communication – Building the Infrastructure for Cyberscholarship,” Report of the NSF/JISC workshop on scholarly information repositories, with William Y. Arms (Cornell), September 2007.

“Centripetal and Centrifugal Forces at Play,” keynote speech in the proceedings of the InfoVision 2005 conference, Bangalore, India (in press).

“Whence Leadership?” D-Lib Magazine, July / August 2005 (Vol. 11, No. 7/8).

"Trust in P2P-based Digital Library Systems: An Analysis of the Incentives," International Telecommunications Society Asia Pacific Regional Conference, Perth (Australia) September 2005, (with Weiss, Martin BH).

"Knowledge Lost in Information, Report of the NSF workshop on future research directions for digital libraries," with Howard Wactlar (CMU), June 2003.

“Rover: Scalable Location-Aware Computing,” IEEE Computer, October 2002, pp. 46-53, (multiple authors).

“Toward a Global Digital Library - Generalizing US-Korea Collaboration on Digital Libraries,” D-Lib Magazine, October 2002, (multiple authors).

“Digital Libraries and Scholarly Communication,” with Jean Scholtz, book chapter in Cancer Informatics: An Essential Technology for Clinical Trials, J. Silva, M. Ball, et. al., editors, Springer Verlag, 2002.

“Saddlepoints in Serials,” in Managing Electronic Serials, Pamela M. Bluh, editor, ALCTS Papers on Technical Services and Collections, No. 9, American Library Association, 2001, pp. 18-44.

“Information Dynamics: An Information Centric Approach to Digital Library Interoperability,” in G lobal Digital Library Development in the New Millennium, Ching-chih Chen, ed., Tsinghua University Press, 2001, pp. 137-144.

“Physician, Heal Thyself,” Educause Bulletin, September/October 2000.

“Information Dynamics: An Information-Centric Approach to System Design,” with A. K. Agrawala and D. Szajda, International Conference on Virtual Worlds and Simulation, San Diego, CA, January 2000.

“Physician, Heal Thyself,” iMP ( http://www.cisp.org/imp/ ), March 2000.

“Directions for Defense Digital Libraries,” D-Lib Magazine, July/August 1998.

“Relaxing Assumptions … Stretching the Vision,” D-Lib Magazine, April 1997.

"The Role of Networks in Achieving Academic Library Goals," in Proceedings of the Data Processing Workshop of the Graduate School of Library and Information Science, University of Illinois at Urbana Champaign, April 1993.

"The Library as a Network-based Information Server," EDUCOM Review, Vol. 26, No. 3/4 (Fall/Winter 1991), pp. 38-44.

"Internet-accessible Library Catalogs & Databases," with Art St. George ( University of New Mexico ), available via anonymous ftp from ariel.unm.edu. (This was the first comprehensive compilation of network accessible libraries, organized and published online circa 1989.)

"The Colibratory: The Network as Testbed for a Distributed Electronic Library," Academic Computing , February 1990.

"Space Robotics: Commercial Opportunities and Challenges," Commercializing SDI Technologies, edited by Stewart Nozette & Robert Lawrence Kuhn, Praeger Publishers, 1987 (pp.113-136).

"Computer and Information Technology in the Year 2000 - a Projection," IEEE Computer, Vol. 18, No. 9 (September 1985), pp. 68-79. (Coauthor: S.F. Lundstrom).

"Automation & Robotics for the Space Station - Phase B Considerations," Background paper prepared for the U.S. Congress Office of Technology Assessment Contract 533-5035.0, July 3, 1985 .

"Potential State of Computer and Information Technology in the Year 2000," Proceedings of the 18th Annual.

Hawaii International Conference on System Sciences, January 1985, pp. 759-771 (Coauthor: S.F. Lundstrom).

"Report of the Panel on Computer and Information Technology," Aeronautics Technology Possibilities for 2000: Report of a Workshop , Aeronautics and Space Engineering Board, National Research Council, National Academy Press, Washington, D.C., 1984 (multiple authors, I served as rapporteur).

"NASA's Computer Science Research Program - Responding to the Challenge," AIAA Computers in Aerospace IV Conference, Hartford, CT, October 24-26, 1983, pp. 157-163.

"Control of a Heterogeneous Two-Server Exponential Queueing System," IEEE Transactions on Software Engineering, July 1983, pp. 522-526 (Coauthor: A.K. Agrawala).

"NASA Computer Science Research Program Plan," NASA Technical Memorandum TM 85631, March 1983 (Multiple authors).

"NASA Research in Teleoperation and Robotics," Society of Photo-Optical Instrumentation Engineers Conference, August 23-27, 1982.

"Automation Technology for Aerospace Power Management," 17th Intersociety Energy Conversion Engineering Conference, August 8-13, 1982.

"Control of Multiple Exponential Servers with Applications to Computer Systems," Ph.D. Dissertation, University of Maryland Computer Science Department, April 1981.

"Advanced Automation for Space Missions," Proceedings of the 1980 NASA/ASEE Summer Study held at the University of Santa Clara , Santa Clara , CA , June 23- August 29, 1980, NASA Conference Publication 2255, edited by R.A. Freitas, Jr. and W.P. Gilbreath (multiple authors).

"A Comparative Evaluation of Local Area Communication Technology," Computer Science and Technology: Computer Evaluation User's Group (CPEUG). Proceedings of the Sixteenth Meeting, October 20-23, 1980, pp. 87-97.

"Formal Approaches to Protocol Design and Implementation: A Survey," Computer Science Technical Report TR-840, University of Maryland, December 1979 (Coauthors: A.K. Thareja and A.K. Agrawala).

"Efficient Communication for Local Computer Networks -- Coordinated Access Broadcast," Computer Science Technical Report TR-639, University of Maryland, February 1978 (Coauthor: A.K. Agrawala).

"Qnetmod User's Guide," Computer Sciences Technical Report TR-523, University of Maryland, April 1977 (Coauthors: A.K. Agrawala and K. Gordon).

"Distributed Computing, A Review," Proceedings of All India Symposium on Computer Architecture, November 1976 (Coauthor: A.K. Agrawala).

"Experience with the Central Server Model on a Lightly Loaded System," Fourth Symposium on the Simulation of Computer Systems Proceedings, August 1976, pp. 102-109 (Coauthor: A.K. Agrawala).

"A Conceptual View of the Distributed Environment for Mission Operations Support (DEMOS)," NASA Goddard Space Flight Center, X-570-75-275, November 1975.

"A Distributed Computing Approach to Mission Operations Support," International Telemetering Conference Proceedings, Vol. XI, 1975, pp. 417-428.

"Simulation of a Distributed Computer Network," ACM Computer Science Conference, 1974, (Coauthor: A.K. Agrawala).

"Interprocessor Tasking and Communication: An Overview," SHARE XXXV Proceedings, 1970.