The 4th International BDVA (Big Data Visual and Immersive Analytics) 2018 Symposium is a well-established scientific meeting that covers the area of Visual Analytics and Immersive Analytics of Big Data. The international symposium will be the first time held out of Australia at the University of Konstanz on October 17 – 19, 2018. BDVA 2018 offers researchers with the opportunity to be part of an exciting programme with internationally renowned keynote speakers, special sessions, and Workshops.