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Although there have been many prototypes of visualization in support of information retrieval, there has been little systematic evaluation that distinguishes the benefits of the visualization per se from that of various accompanying features. The current study focuses on such an evaluation of NIRVE, a tool that supports visualization of search results.(More)
We discuss the evolution of the NIST Information Retrieval Visualization Engine (NIRVE). This prototype employs modern interactive visualization techniques to provide easier access to a set of documents resulting from a query to a search engine. The motivation and evaluation of several design features, such as keyword to concept mapping, explicit(More)
The purpose of the study is to assess the estimated costs and benefits to the federal government that would result from adoption of the proposed revision of American National Standard COBOL as a Federal Information Processing Standard (FIPS). Potential benefits of $90.2 million have been identified, stemming primarily from improved productivity in both the(More)
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