On September 12th en 13th the Big Data Expo took place in the Jaarbeurs Utrecht, The Netherlands. BI-Platform made a series of interviews at the Expo with various Data Professionals. Kristof Neys, Director Graph Data Science Technology at Neo4j, explains to BI-Platfrom what a Knowledge Graph is and the advantage it offers for Data Science. Using Large Language Models to augment a Knowledge Graph allows for vector search in a Graph Database like Neo4j.