@article{RNTI/papers/1002143, author = {Filipe Afonso and Seppo Laaksonen}, title = {Analyzing European Social Survey data using symbolic data methods and Syrokko software}, journal = {Revue des Nouvelles Technologies de l'Information}, volume = {Symbolic Data Analysis and Visualization: Special Issue in honor of Monique Noirhomme-Fraiture, RNTI-E-29}, year = {2015}, pages = {89-100} }