Introduces a prototype system for devising and using a metadata vocabulary for data retrieval, based on a project at the United States Department of Agriculture. A unified information-access system called REEIS (Research, Education, Economics, Extension Information System) is being designed to provide a knowledge base of programs, projects, and…

Describes the use of Spotfire, a starfield visualization tool, to generate interactive visualizations of log data, ranging from aggregate views of all Web site hits in a time interval to close-ups that approximate the path of a user through a site. Highlights current efforts and provides examples of the visualizations created in Spotfire.…

This study continues the research reported in "Federal Information Inventory/Locator Systems: From Burden to Benefit: Final Report" (McClure, et al., 1990). Begun May 1, 1991, and completed in August 1992, this exploratory and descriptive research was intended to improve access to and use of U.S. Government information. Its methodology…

The Second International Conference on Educational Data Mining (EDM2009) was held at the University of Cordoba, Spain, on July 1-3, 2009. EDM brings together researchers from computer science, education, psychology, psychometrics, and statistics to analyze large data sets to answer educational research questions. The increase in instrumented…

Purpose: The motivation for this investigation is to apply social networking features to a semantic network portal, which supports the efforts in enterprise training units to up-skill the employee in the company, and facilitates the creation and reuse of knowledge in online communities. Design/methodology/approach: The paper provides an overview…