Visualization for Access to Documents: Overview

Developed NIST Information Retrieval Visualization Engine (NIRVE) for displaying search engine results
Many such IR visualizations have been published, but few have been evaluated.
Question: Is 3D better?
Three variants tested: text, 2D, 3D
Extensive user testing performed with Catholic Univ.
First comprehensive evaluation of its kind.
Focus being transitioned to ATP Adaptive Learning Systems application and Smart Spaces.