1 Introduction  
2 Concept Drift – Defining the Setup  
2.1 A Formal Model of Concept Drift  
2.2 Concept Drift in Supervised and Unsupervised Setups  
3 Drift Detection  
3.1 Problem Setup and Challenges  
3.3 Categories of Drift Detectors  
3.4 Analysis of Strategies  
3.5 Conclusion and Guidelines for Drift Detection  
4 Drift Localization and Segmentation  
4.1 Problem Setup and Challenges  
4.2 A General Scheme for Drift Localization  
4.3 Approaches  
4.4 An Analysis  
4.5 Conclusion and Guidelines  
5 Drift Explanations  
5.1 Problem and Setup  
5.2 A General Scheme for Drift Explanations  
5.3 Exemplary Cases  
5.4 Conclusion and Guidelines  
6 Conclusion