The Portuguese Association of Data Classification and Analysis (CLAD) and the Escola Superior de Tecnologia e Gestão of the Instituto Politécnico de Leiria (ESTG — IPLeiria) are pleased to organize the XXXI Conference on Classification and Data Analysis (JOCLAD 2024), which will take place in person from the 18th to the 20th of April 2024, in the beautiful city of Leiria, Portugal.

This annual conference is aimed at professors, researchers, students (bachelor's, master's, doctorate, ...) and other users that share interests in the area of Classification and Data Analysis, and its main objectives are:

• Promote, support, develop and disseminate scientific research in the field of data science;

• Promote scientific collaboration and exchange in the area of data science between researchers, companies and other organizations;

• Offer training in the area of data science.