Table of Contents
Metrics for Evaluating Database Selection Techniques
Overview of Talk
Introduction
Motivation for Current Work
Testbeds Used in PreviousWork
Terminology
Testbed SYM
Testbed UDC
SYM Testbed Partition Statistics
SYM Testbed Topic Coverage
Document and Query Coverage
Experiment
Baselines
Example Baseline
Estimators
Example Estimate
Evaluation Measures
Mean squared error
MSE
Recall and Precision Analogs
Example Performance Measures
Recall Analogs
Relationship between and
Comparing CORI and gGlOSS
Random Ranking Algorithm
Expected Value of Recall Measures
Comparative Performance
PPT Slide
Conclusions
Future Work
n*
Precision vs. Recall Example
Recall & Precision Analogs
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Author: Computer Science Department
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