Unresolved Galaxy Classifier for ESA's Gaia Mission
Unsolved problems in observational astronomy. II. Focus on rapid response - mining the sky with ``thinking" telescopes
Unsupervised Classification Using Immune Algorithm
Unsupervised Learning of Semantic Orientation from a Hundred-Billion-Word Corpus
Unsupervised Search-based Structured Prediction
Unsupervised Supervised Learning II: Training Margin Based Classifiers without Labels
Upgrading Our EPO Through Focused Astronomy Education Research
US VAO Facility for Rapid Transients
Use and Evaluation of 3D GeoWall Visualizations in Undergraduate Space Science Classes
Use of Clickers in ASTR 101 at Joliet Junior College
Use of Clickers in Introductory Astronomy Courses at California State University Sacramento
Use of Modern Technologies in Improving Astronomy Education in Tanzania
Using a Kernel Adatron for Object Classification with RCS Data
Using a Planetarium Software Program to Promote Conceptual Change with Young Children
Using Astrometrica to Teach an Introduction to Asteroid and Comet Astrometry
Using Classical Test Theory and Item Response Theory to Evaluate the LSCI
Using Classical Test Theory and Item Response Theory to Evaluate the LSCI
Using Collective Intelligence to Route Internet Traffic
Using Computer-Based Activities in Introductory Astronomy Instruction
Using Computer-Based Activities in Physics and Introductory Astronomy Instruction