Watson Explorer Engine tutorials provide detailed introductions to the core components and capabilities of Watson Explorer Engine. Each tutorial has been classified by difficulty to provide a clear learning order. Introductory tutorials are designed to introduce a first time application developer or administrator to Watson Explorer Engine, teach basic functionality, and serve as a foundation for more complex tutorials. Intermediate tutorials cover slightly more advanced topics and features, providing a Watson Explorer Engine application developer with the core knowledge that is necessary to develop a Watson Explorer Engine application. Advanced tutorials are for the Watson Explorer Engine application developer who needs to use its most complex features to develop business-specific applications.