She received her Ph.D. (2001) in Informatics from University of Versailles and Saint-Quentin. Her research is focused on Data Cleaning and Integration, Extraction-Transformation-Loading, Databases and Information Extraction. Helena has participated in several projects (research and consulting) and she has authored or co-authored more than 40 peer-reviewed scientific publications. She has evaluated FP7 and H2020 project proposals. She co-chaired the Program Committee of DILS 2014 (International Conference on Data Integration in the Life Sciences). Lesson 1