Research Interests
Artificial intelligence, knowledge graphs, natural language processing, applications involving cybersecurity, social media, mobile and pervasive computing
Education
Ph.D. in Computer Science, University of Illinois, 1980. dissertation: The Semantic Interpretation of Compound Nominals (advisor: D. L. Waltz)
M.S. in Computer Science, University of Illinois, 1977. thesis: An Interpreter and Compiler for Augmented Transition Networks (advisor: D. L. Waltz)
S.B. in Electrical Engineering, Massachusetts Institute of Technology, 1971. thesis: Three Problems in Analyzing Scenes (advisor: P. H. Winston)
Employment
1991- Professor of Computer Science and Electrical Engineering, University of Maryland, Baltimore County
2017- Willard and Lillian Hackerman Chair in Engineering
2007- Affiliate Scientist, JHU Human Language Technology Center of Excellence
2014-2015 JHU Human Language Technology Center of Excellence (sabbatical leave)
2007-2008 JHU APL and Human Language Technology Center of Excellence (sabbatical leave)
1999-2002 Director, UMBC Institute for Global Electronic Commerce
1991-1995 Chair, UMBC Department of Computer Science
1987-91 Technical Director, Knowledge Based Information Processing, Unisys Center for Advanced Information Technology, Paoli PA
1987-91 Adjunct Associate Professor, Computer and Information Science, University of Pennsylvania
1980-87 Assistant Professor of Computer and Information Science, University of Pennsylvania
1974-80 Research Assistant, Research Associate, Coordinated Science Laboratory, Univ. of Illinois, Urbana-Champaign
1977 Visiting Research Staff, Computer Science Department, IBM. Research Laboratory, San Jose
1971-74 Research Staff, Artificial Intelligence Laboratory, MIT
Awards and Honors