Research and In-Use Tracks (23:59 Hawaii time):

Compulsory abstract submission for all papers: December 7, 2016 (sharp)
Compulsory full paper submission: December 14, 2016 (sharp)
Authors rebuttal: January 27 - February 5, 2017 
Acceptance notification: February 20, 2017 
Camera ready: March 7, 2017

Workshops Proposals (23:59 Hawaii Time):

Submission deadline: November 18, 2016
Notifications of acceptance: December 2, 2016
Workshop website due: December 20, 2016
Workshop days: Sunday May 28 and Monday May 29, 2017

Tutorials (23:59 Hawaii Time):

Tutorial proposals due: November 18, 2016
Notification of acceptance: December 2, 2016
Tutorial Web site due: December 16, 2016
Camera-ready tutorial material due: April 21, 2017
Tutorial days: Sunday May 28 and Monday May 29, 2017

ESWC Challenges (23:59 Hawaii Time):

Challenge proposals due: November 18, 2016
Notification of acceptance: December 2, 2016
Training data ready and challenges Calls for Papers out: January 13th, 2017
Challenge paper submission deadline: March 10th, 2017

PhD Symposium Call (23:59 Hawaii Time):

Submission deadline: December 14, 2016
Notification of acceptance: January 20, 2017
Revised version to mentor: February 3, 2017
Mentor’s feedback on paper: February 15, 2017
Final version: March 3, 2017
Draft presentation to mentor: May 5, 2017
Mentor’s feedback on presentation: May 17, 2017
PhD Symposium: May 28 or 29, 2017 

ESWC Posters (23:59 Hawaii Time):

Submission deadline: March 13, 2017​
Notification of acceptance: April 7, 2017
Camera-ready paper: April 30, 2017

ESWC Demos  (23:59 Hawaii Time):

Submission Deadline: March 13, 2017​
Notification of Acceptance: April 7, 2017
Camera-Ready Paper: April 30, 2017

Call for EU Project Networking (23:59 Hawaii Time):

Abstract submission deadline: TBD
Notification of acceptance/rejection: TBD
EU Project Networking Session: TBD