ERCIM (European Research Consortium on Informatics and Mathematics) and JST (Japan Science and Technology Agency) are organizing the first joint symposium on Big Data and Artificial Intelligence. The online symposium aims to present recent results of research conducted in the context of the JST Crest programme as well as relevant research results from European institutions. The meeting will provide the opportunity to participants from Japan and Europe to familiarize themselves with recent research results and consider collaboration prospects that will arise in the context of the Horizon Europe framework programme or relevant initiatives from JST.