Principles of Knowledge Representation and Reasoning, Incorporated (KR, Inc.) is a not for profit Scientific Foundation incorporated in the state of Massachusetts of the United States of America, concerned with fostering research and communication on knowledge representation and reasoning.

Its primary activities include organizing a series of prestigious conferences, the conferences on Principles of Knowledge Representation and Reasoning, cooperating with workshops on related topics, maintaining informational materials on the World Wide Web, and maintaining KR-related mailing lists.

KR2016 in Cape Town was a tremendous success. Many thanks to the organisers and all those who attended and supported it.

KR Inc. is busy organizing KR2018, the 16th International Conference on Principles of Knowledge Representation and Reasoning in Tempe and Scottsdale, USA.

The Conference Chair of KR2018 is Frank Wolter; the Program Chairs are Michael Thielscher and Francesca Toni; the Local Arrangements Chairs are Joohyung Lee and Tran Cao Son. We look forward to welcoming you to Tempe and Scottsdale in 2018!