Knowledge gathering, representation, and reasoning are fundamental challenges of intelligence. Large-scale repositories of knowledge are known as knowledge bases. Most major technology companies now have substantial efforts in knowledge base construction, and related scholarly work spans many research areas, including machine learning, natural language processing, computer vision, information integration, databases, search, data mining, knowledge representation, human computation, human-computer interfaces, and fairness. The AKBC conference serves as a research forum for all these areas, in academia and practice.