This course is an introduction into knowledge discovery using unstructured data like text documents, web and social media contents. It focuses on the necessary preprocessing steps and the most successful methods for automatic text classification including: Naive Bayes, Support Vector Machines (SVM), and clustering. Upon completion of this course, participants will have a solid understanding of typical text mining workflows and be able to identify techniques for processing unstructured data, apply different statistical textprocessing methods, and perform content classification and clustering.