Introduction to Decision Trees -Training Decision Trees - A Generic Algorithm for top-down Induction of Decision Trees - Evaluation of classification Trees - Splitting Criteria - Pruning Trees - Popular DecisionTrees Induction Algorithms - Beyond Classification Tasks - Decision Forests - A Wolk-trough-guide for Using Decision Trees Software - Advanced Decision Trees - Cost-sensitive Active and Proactive Learning of Decision Trees - Feature Selection - Fuzzy Decision Trees - Hybridization of Decision Trees with other techniques - Decision Trees and Recommender Systems.