EWRL14 (2018)

Here you can find information about the workshop structure, dates, speakers. Please contact the organizers Matteo Pirotta, Ronan FruitMathieu Seurin or Florian Strub if you have any questions.

Note: There will be no proceedings of EWRL14.

The SOCIAL DINNER will take place on Tue Oct 2nd at 19:30.


Opening Remarks

The 14th European Workshop on Reinforcement Learning (EWRL 2018)

Dates:    October 1-3rd, 2018
Location: École nationale supérieure d’arts et métiers (ENSAM), 8 Boulevard Louis XIV, 59800 Lille, France

[description] [submission] [dates] [committees] [papers] [registration] [venue] [schedule] [sponsors] [book a room]


The 14th European workshop on reinforcement learning (EWRL 2018) invites reinforcement learning researchers to participate in the revival of this world-class event. We plan to make this an exciting event for researchers worldwide, not only for the presentation of top quality papers but also as a forum for ample discussion of open problems and future research directions. EWRL 2018 will consist of 3+ tutorials (yes!), 10+ keynote talks, contributed paper presentations, discussion sessions spread over a three-day period, and a poster session.

Reinforcement learning is an active field of research which deals with the problem of sequential decision making in unknown (and often) stochastic and/or partially observable environments. Recently there has been a wealth of both impressive empirical results, as well as significant theoretical advances. Both types of advances are of significant importance and we would like to create a forum to discuss such interesting results.

The workshop will cover a range of sub-topics including (but not limited to):

  • Exploration/Exploitation
  • Function approximation in RL
  • Theoretical aspects of RL
  • Policy search methods
  • Empirical evaluations in RL
  • Kernel methods for RL
  • Partial observable RL
  • Bayesian RL
  • Multi-agent RL
  • Risk-sensitive RL
  • Financial RL
  • Knowledge Representation in RL
  • Neural RL

Confirmed Invited Speakers

  • Richard Sutton
  • Martin Riedmiller
  • Joelle Pineau
  • Nicolò Cesa-Bianchi
  • Tze Leung Lai
  • Remi Munos
  • Gergely Neu
  • Audrey Durand
  • Karl Tuyls
  • Katja Hofmann


  • Advanced Topics in Exploration: Csaba Szepesvári and Tor Lattimore
  • Deep Reinforcement Learning: Matteo Hessel
  • Towards Safe Reinforcement Learning: Andreas Krause and Felix Berkenkamp

Paper Submission

We invite submissions for the 14th European Workshop on Reinforcement Learning (EWRL 2018) from the entire reinforcement learning spectrum. Authors can submit a 2-6 pages paper in JMLR format (excluding references) that will be reviewed by the program committee in a double-blind procedure. The papers can present new work or give a summary of recent work of the author(s). All papers will be considered for the poster sessions. Outstanding long papers (4-6 pages) will also be considered for a 20 minutes oral presentation. There will be no proceedings of EWRL14.

Camera ready: You can use to additional pages (the limit is now 8 pages + reference and appendix). We have updated the jmlr2e.sty for EWRL14. You need to update your source file as follows:

  • remove the \editor command
  • replace \jmlrheading with \ewrlheading using the following structure:
\ewrlheading{14}{2018}{October 2018, Lille, France}{}

Important Dates

  • Paper submissions due: 15 June 2018, 23:59 CET 21 June 2018, 23:59 CET
  • Notification of acceptance: end of July 2018
  • Camera ready due: 14 September 2018
  • Workshop begins: 1 October 2018
  • Workshop ends: 3 October 2018

Organizing Committee

The SequeL team (Inria, UMR 9189 CRIStAL). In particular,

External organizers

  • Jérémie Mary (Criteo Research)
  • Olivier Pietquin (Google Brain)
  • Gabriel Dulac-Arnold (Squirrel Group)

Program Committee

  • Marc Abeille
  • Riad Akrour
  • Oleg Arenz
  • Lilian Besson
  • Roberto Calandra
  • Daniele Calandriello
  • Christian Daniel
  • Christos Dimitrakakis
  • Layla Elasri
  • Ronan Fruit
  • Victor Gabillon
  • Pratik Gajane
  • Matthieu Geist
  • Mohammad Gheshlaghi Azar
  • Anna Harutyunyan
  • Maximilian Hüttenrauch
  • Anders Jonsson
  • Emilie Kaufmann
  • Johannes Kirschner
  • Akshay Krishnamurthy
  • Alessandro Lazaric
  • Odalric-Abrym Maillard
  • Timothy Mann
  • Jérémie Mary
  • Remi Munos
  • Gergely Neu
  • Ann Nowe
  • Laurent Orseau
  • Ronald Ortner
  • Ian Osband
  • Simone Parisi
  • Vianney Perchet
  • Julien Perolat
  • Pierre Perrault
  • Olivier Pietquin
  • Joelle Pineau
  • Bilal Piot
  • Matteo Pirotta
  • Philippe Preux
  • Marcello Restelli
  • Mathieu Seurin
  • Florian Strub
  • Sadegh Talebi
  • Herke van Hoof
  • Claire Vernade


Accepted Papers

Here the list of accepted papers and the schedule for the poster presentation: D1 means that the paper will be presented on the first day of the conference (Tue 2) in poster session 1 and 2, D2 refers to the second day (Wed 3) both morning and afternoon.


The registration is closed! The registration will be closed as soon as we reach 200 registrations (due to capacity constraints). The registration page is:

Not available anymore


  • The registration will remain open until one week before the start of the workshop
  • The early registration ends September 5th, 2018. After that, the price will increase.

If you need an invitation letter for VISA purposes, please contact us directly.

Cancellation/Refund Policy

All cancellations must be notified by e-mail to the Conference Organizers. The following conditions will be applied:

  • Until August 31, 2018: an amount of € 50 cancellation fee will be withheld for an administrative fee;
  • From September 1st, 2018: no refund.

If you are unable to attend the conference, you can request the transfer of your registration to another participant by notifying the Conference Organizers by e-mail, before the conference.

Workshop Venue


EWRL14 takes place at in Lille, France. The precise address is:

École Nationale Supérieure d’Arts et Métiers (Lille)

8 Boulevard Louis XIV, 59800 Lille, France

Travelling to Lille

Lille is very easy to access either by road, or fast train, or plane. We sketch the simplest way to come to Lille from various places in the world. Many other ways are possible.

  • probably the easiest way to come to Lille from America, Asia, Oceania, Africa, and non-neighbouring countries (i.e., countries others from Belgium, the Netherlands or Germany) is to fly to Paris Charles de Gaulle airport (CDG). CDG is connected to almost all countries worldwide. Once in CDG, one catches the fast train (TGV) at the train station located in terminal 2 of CDG. 50 minutes later, you take off in one of the 2 train stations of Lille (located a few hundred meters from each other).
  • you may also fly to London, UK, and connect to Saint Pancras train station, board on the Eurostar (fast train between the UK and France), travel under the Channel and take off in Lille train station.
  • from Belgium, the Netherlands and Germany, it may be even easier to take a Thalys fast train straight to Lille (from Amsterdam, Brussels, or Köln).
  • from Brussels South Charleroi Airport there is a direct bus to Lille (https://www.flibco.com/en)

Looking for a room? info at ICML 2015 page

The social dinner will be held at Couvent des Minimes de Lille on Tue October 2nd at 19:30. See you there!

Workshop Schedule

Mon 1 (tutorials)

9:00 – 10:00 Check-in and welcoming coffee

9:45 – 10:00 Opening remarks

10:00 – 12:00 Advanced topics in exploration: The role of randomization for exploration in bandits and RL (Csaba Szepesvári and Tor Lattimore)

12:00 – 14:00 Lunch break (on your own)

14:00 – 16:00 Deep Reinforcement Learning (Matteo Hessel)

16:00 – 16:30 Coffee break

16:30 – 18:30 Towards Safe Reinforcement Learning (Andreas Krause and Felix Berkenkamp) – slides

Tue 2

8:00 – 9:00 Check-in

9:00 – 9:45 Invited talk: Richard Sutton

9:45 – 10:05 Contributed talk (Anderson Acceleration for Reinforcement Learning)

10:05 – 10:55  Poster session 1 (with Coffee break)

10:55 – 11:40 Invited talk: Tze Leung Lai – slides

11:40 – 12:00 Contributed talk (When Gaussian Processes Meet Combinatorial Bandits: GCB)

12:00 – 14:00 Lunch break (on your own)

14:00 – 14:20 Contributed talk (Fighting Boredom in Recommender Systems with Linear Reinforcement Learning)

14:20 – 15:05 Invited talk: Nicolò Cesa-Bianchi – slides

15:05 – 15:25 Contributed talk (A0C: Alpha Zero in Continuous Action Space)

15:25 – 16:10 Invited talk: Martin Riedmiller – slides

16:10 – 17:10 Poster session 2 (with Coffee break)

17:10 – 17:55 Invited talk: Gergely Neu

17:55 – 18:15 Contributed talk (Constraint-Space Projection Direct Policy Search)

Wed 3

9:00 – 9:20 Contributed talk (Learning good policies from suboptimal demonstrations)

9:20 – 10:05 Invited talk: Joelle Pineau

10:05 – 10:55  Poster session 3 (with Coffee break)

10:55 – 11:40 Invited talk: Rémi Munos – slides

11:40 – 12:00 Contributed talk (Directed Policy Gradient for Safe Reinforcement Learning with Human Advice)

12:00 – 14:00 Lunch break (on your own)

14:00 – 14:20 Contributed talk (Towards learning to best respond when losing control)

14:20 – 15:05 Invited talk: Karl Tuyls

15:05 – 15:25 Contributed talk (Transferring Value Functions via Variational Methods)

15:25 – 16:10 Invited talk: Katja Hofmann

16:10 – 17:10 Poster session 4 (with Coffee break)

17:10 – 17:55 Invited talk: Audrey Durand – slides

17:55 – 18:15 Contributed talk (Counting to Explore and Generalize in Text-based Games)

18:15 – 18:30 Closing Remarks











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