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Sat Jul 18 02:00 AM -- 06:00 PM (PDT)
4th Lifelong Learning Workshop
Shagun Sodhani · Sarath Chandar · Balaraman Ravindran · Doina Precup

One of the most significant and challenging open problems in Artificial Intelligence (AI) is the problem of Lifelong Learning. Lifelong Machine Learning considers systems that can continually learn many tasks (from one or more domains) over a lifetime. A lifelong learning system efficiently and effectively:

1. retains the knowledge it has learned from different tasks;

2. selectively transfers knowledge (from previously learned tasks) to facilitate the learning of new tasks;

3. ensures the effective and efficient interaction between (1) and (2).

Lifelong Learning introduces several fundamental challenges in training models that generally do not arise in a single task batch learning setting. This includes problems like catastrophic forgetting and capacity saturation. This workshop aims to explore solutions for these problems in both supervised learning and reinforcement learning settings.

Opening Comments (Introduction)
Sarath Chandar, Shagun Sodhani
Challenges & Opportunities in Lifelong Reinforcement Learning by Katja Hoffman (Talk)
Katja Hofmann, Rika Antonova, Luisa Zintgraf
Q&A with Katja Hoffman (Q&A)
Katja Hofmann, Luisa Zintgraf, Rika Antonova, Sarath Chandar, Shagun Sodhani
Never-ending Learning by Partha Pratim Talukdar (Talk)
Partha Talukdar
Q&A with Partha Pratim Talukdar (Q&A)
Partha Talukdar, Shagun Sodhani, Sarath Chandar
Contributed Talk: Continual Deep Learning by Functional Regularisation of Memorable Past (Talk)
Siddharth Swaroop
Virtual Poster Session #1 (Poster Session)
Credit assignment and meta-learning in a single lifelong trial by Jürgen Schmidhuber (Talk)
Jürgen Schmidhuber
Q&A with Jürgen Schmidhuber (Q&A)
Jürgen Schmidhuber, Shagun Sodhani, Sarath Chandar
Contributed Talk: Combining Variational Continual Learning with FiLM Layers (Talk)
Noel Loo
Contributed Talk: Wandering Within a World: Online Contextualized Few-Shot Learning (Talk)
Mengye Ren
Invited Talk: Lifelong Learning: Towards Broad and Robust AI by Irina Rish (Talk)
Irina Rish
Q&A with Irina Rish (Q&A)
Irina Rish, Shagun Sodhani, Sarath Chandar
Virtual Poster Session #2 (Poster Session)
Contributed Talk: Deep Reinforcement Learning amidst Lifelong Non-Stationarity (Talk)
Annie Xie
Contributed Talk: Lifelong Learning of Factored Policies via Policy Gradients (Talk)
Jorge A Mendez Mendez
The FOAK Cycle for Model-based Life-long Learning by Rich Sutton (Talk)
Richard Sutton
Q&A by Rich Sutton (Q&A)
Richard Sutton, Shagun Sodhani, Sarath Chandar
Contributed Talk: Gradient Based Memory Editing for Task-Free Continual Learning (Talk)
Xisen Jin
Panel Discussion (Discussion Panel)
Eric Eaton, Martha White, Doina Precup, Irina Rish, Harm van Seijen
Concluding Remarks
Sarath Chandar, Shagun Sodhani
Accepted Papers (Demonstration)