The book "Foundations of Information and Knowledge Systems" documents the results of the 8th International Symposium on the Foundations of Information and Knowledge Systems, which took place in March 2014 in Bordeaux, France. It includes 14 revised full papers, 5 revised short papers, and two invited talks, selected from a total of 52 submitted works. The topics covered are diverse, ranging from database design to information dynamics, intelligent agents, and knowledge discovery. The contributions provide valuable insights into current challenges and developments in the field of information and knowledge systems, making it of interest to both professionals and students.