The web service is a main working pattern and a significant application model for next generation Internet application. The service-oriented architecture is a very promising archi...
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
We introduce an approach to visual analysis of multivariate data that integrates several methods from information visualization, exploratory data analysis (EDA), and geovisualizat...
Alan M. MacEachren, Xiping Dai, Frank Hardisty, Di...
Instructor/student interaction in e-learning environments can positively impact both student learning and instructor satisfaction. In online webcast lectures, however, interaction...
Jeremy P. Birnholtz, Clarissa Mak, Saul Greenberg,...
This paper reports on work-in-progress to better understand how users visually interact with hierarchically organized semantic information. Experimental reaction time and eye move...