Chapter 13: Geographical Data Interchange Using XML-Enabled Technology within the GIDB System

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Ruth Wilson is a mathematician for the Naval Research Laboratory (NRL). She has been a lead developer of the Geospatial Information Database System and Portal for over 8 years. Her research interests include object-oriented programming, mathematical techniques to improve digital mapping, and distributed communication of mapping data between servers and users in real time. Wilson received a B.S. in mathematics from the University of Southern Mississippi in 1993 and an M.S. in mathematics from McNeese State University in 1997. She can be reached at

Maria A. Cobb is an associate professor in the Department of Computer Science & Statistics at the University of Southern Mississippi. Dr. Cobb received a Ph.D. in computer science from Tulane University in 1995. She was previously employed by the Naval Research Laboratory as a computer scientist. Her primary research interests are spatial data modeling, including techniques for modeling and reasoning about spatial data under uncertainty, and distributed object-oriented systems.

Frank McCreedy has been a software developer for 4 years. Primarily working with Java, his work has included such topics as servlets, applets, client/server architectures, interaction with various database systems, and geographic mapping. Currently he works at the Naval Research Laboratory at Stennis Space Center as a computer scientist. He gained a B.S. in computer science from University of Southern Mississippi in 1998.

Roy Ladner received an M.S. in computer science and a Ph.D. in engineering and applied science from the University of New Orleans. He works as a research scientist at the Naval Research Laboratory at Stennis Space Center. His work emphasizes the investigation of spatio-temporal database issues and advanced methods to improve delivery of spatio-temporal data over the Internet. His research has been published in national and international conference proceedings and journals.

David Olivier is a member of the Digital Mapping, Charting, & Geodesy Analysis Program, Marine Geosciences Division at the Naval Research Laboratory, Stennis Space Center. He received a B.A. in philosophy and the history of math and science from St. John's College in 1994 and an M.S. in computer science from the University of New Orleans in 2001. His research interests include geographic information systems and distributed applications.

Todd Lovitt is a computer scientist and mathematician with Planning Systems, Inc. He has been working with the Naval Research Laboratory on the design and development of object-oriented databases of digital mapping data. His research interests include visualization of 2D/3D GIS data and distributed techniques for integration and display of disparate geospatial data types across the Internet. He received a B.S. in mathematics with a computer science minor from Mississippi State University in 1989. He can be reached at

Kevin B. Shaw leads a Naval Research Laboratory R&D team that focuses on advanced geospatial modeling, object-oriented database design, and portal implementation for improved naval, DoD, and government agencies' usage. Mr. Shaw received a B.S. in electrical engineering from Mississippi State University in 1984, an M.S. in computer science from the University of Southern Mississippi in 1987, and an M.E.E. in electrical engineering from Mississippi State University in 1988. Mr. Shaw can be reached at

Fred Petry received B.S. and M.S. degrees in physics and a Ph.D. in computer and information science from Ohio State University in 1975. He has been on the faculty of the University of Alabama in Huntsville and Ohio State University and is currently a full professor in the Department of Electrical Engineering & Computer Science at Tulane University. His recent research interests include representation of imprecision via fuzzy sets and rough sets in databases, GIS and other information systems, and artificial intelligence including genetic algorithms. His research has been funded by NSF, NASA, DOE, NIH, various DoD agencies, and industry. He has directed 20 Ph.D. students in these areas in the past 10 years. Dr. Petry has over 250 scientific publications including over 85 journal articles/book chapters and 5 books written or edited. His monograph on fuzzy databases has been widely recognized as the definitive volume on this topic. He is currently an associate editor of IEEE Transactions on Fuzzy Systems, Neural Processing Letters, and an area editor of information systems for Fuzzy Sets and Systems and was general chairperson of FUZZ-IEEE '96. He was selected as an IEEE Fellow in 1997 for his research on the use of fuzzy sets for modeling imprecision in databases and was chosen as a recipient of the 2002 Tulane School of Engineering Outstanding Researcher Award.

Dr. Mahdi Abdelguerfi is currently professor and chair of the computer science department at the University of New Orleans. His research interests include terrain databases, 3D synthetic environments, and spatio-temporal information systems.


Part IV: Applications of XML