1.Relevance Ranking Metrics for Learning Objects Xavier Ochoa, ESPOL, Ecuador Erik Duval, KULeuven, Belgium2. Agenda Why Relevance Ranking? What is Relevance? Relevance Ranking…
1. “Collect Everything!” GRAPHITE 2. Why collect data? - Problem Determination - Root Cause Analysis - Performance Optimization - Cost optimization - Reporting - Forecasting…