Publications
2006. Network Visualization by Semantic Substrates. IEEE Transactions on Visualization and Computer Graphics. 12(5):733-740.
2001. Universal usability as a stimulus to advanced interface design. Behaviour & Information Technology. 20(5):367-376.
1979. Syntactic/semantic interactions in programmer behavior: A model and experimental results. International Journal of Parallel Programming. 8(3):219-238.
1977. Design, development and utilization perspectives on database management systems. Information Processing & Management. 13(1):23-33.
1998. Emergent patterns of teaching/learning in electronic classrooms. Educational Technology Research and Development. 46(4):23-42.
1994. The river beyond the rapids: responsive services for responsible users. Connecting the DOE community: partnerships in information. :25-26.
2008. Copernican challenges face those who suggest that collaboration, not computation are the driving energy for socio-technical systems that characterize Web 2.0.. Science. 319:1349-1350.
1974. A model for optimizing indexed file structures. International Journal of Parallel Programming. 3(1):91-101.
1993. Touchscreens now offer compelling uses. Sparks of innovation in human-computer interaction. :187-187.
1998. Treemaps for space-constrained visualization of hierarchies. ACM Transactions on Graphics (TOG) Volume. 11:92-99.
1998. Sorting out searching: a user-interface framework for text searches. Communications of the ACM. 41(4):95-98.
2011. Realizing the value of social media requires innovative computing research. Communications of the ACM. 54(9):34-37.
1997. Direct manipulation for comprehensible, predictable and controllable user interfaces. Proceedings of the 2nd international conference on Intelligent user interfaces. :33-39.
2008. Extreme visualization: squeezing a billion records into a million pixels. SIGMOD Conference. :3-12.
1981. Putting the human factor into systems development. Proceedings of the eighteenth annual computer personnel research conference. :1-13.
1998. Is the Web really different from everything else? CHI 98 conference summary on Human factors in computing systems. :92-93.