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Workshop: Self-Supervised Learning -- Theory and Practice

Pengtao Xie, Shanghang Zhang, Pulkit Agrawal, Ishan Misra, Cynthia Rudin, Abdelrahman Mohamed, Wenzhen Yuan, Barret Zoph, Laurens van der Maaten, Xingyi Yang, Eric Xing

2020-12-12T08:50:00-08:00 - 2020-12-12T18:40:00-08:00
Abstract: Self-supervised learning (SSL) is an unsupervised approach for representation learning without relying on human-provided labels. It creates auxiliary tasks on unlabeled input data and learns representations by solving these tasks. SSL has demonstrated great success on images (e.g., MoCo, PIRL, SimCLR) and texts (e.g., BERT) and has shown promising results in other data modalities, including graphs, time-series, audio, etc. On a wide variety of tasks, SSL without using human-provided labels achieves performance that is close to fully supervised approaches.

The existing SSL research mostly focuses on improving the empirical performance without a theoretical foundation. While the proposed SSL approaches are empirically effective, theoretically why they perform well is not clear. For example, why certain auxiliary tasks in SSL perform better than others? How many unlabeled data examples are needed by SSL to learn a good representation? How is the performance of SSL affected by neural architectures?

In this workshop, we aim to bridge this gap between theory and practice. We bring together SSL-interested researchers from various domains to discuss the theoretical foundations of empirically well-performing SSL approaches and how the theoretical insights can further improve SSL’s empirical performance. Different from previous SSL-related workshops which focus on empirical effectiveness of SSL approaches without considering their theoretical foundations, our workshop focuses on establishing the theoretical foundation of SSL and providing theoretical insights for developing new SSL approaches.
We invite submissions of both theoretical works and empirical works, and the intersection of the two. The topics include but are not limited to:
Theoretical foundations of SSL
Sample complexity of SSL methods
Theory-driven design of auxiliary tasks in SSL
Comparative analysis of different auxiliary tasks
Comparative analysis of SSL and supervised approaches
Information theory and SSL
SSL for computer vision, natural language processing, robotics, speech processing, time-series analysis, graph analytics, etc.
SSL for healthcare, social media, neuroscience, biology, social science, etc.
Cognitive foundations of SSL

In addition to invited talks by leading researchers from diverse backgrounds including CV, NLP, robotics, theoretical ML, etc., the workshop will feature poster sessions and panel discussion to share perspectives on establishing foundational understanding of existing SSL approaches and theoretically-principled ways of developing new SSL methods. We accept submissions of short papers (up to 4 pages excluding references in NeurIPS format), which will be peer-reviewed by at least two reviewers. The accepted papers are allowed to be submitted to other conference venues.

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Schedule

2020-12-12T08:50:00-08:00 - 2020-12-12T09:00:00-08:00
Opening remarks
2020-12-12T09:00:00-08:00 - 2020-12-12T09:23:00-08:00
Invited Talk: Oriol Vinyals
Oriol Vinyals
2020-12-12T09:23:00-08:00 - 2020-12-12T09:25:00-08:00
QA: Oriol Vinyals
Oriol Vinyals
2020-12-12T09:25:00-08:00 - 2020-12-12T09:48:00-08:00
Invited Talk: Ruslan Salakhutdinov
Ruslan Salakhutdinov
2020-12-12T09:48:00-08:00 - 2020-12-12T09:50:00-08:00
QA: Ruslan Salakhutdinov
Ruslan Salakhutdinov
2020-12-12T09:50:00-08:00 - 2020-12-12T10:13:00-08:00
Invited Talk: Yejin Choi
Yejin Choi
2020-12-12T10:13:00-08:00 - 2020-12-12T10:15:00-08:00
QA: Yejin Choi
Yejin Choi
2020-12-12T10:15:00-08:00 - 2020-12-12T11:15:00-08:00
Poster Session I
2020-12-12T11:15:00-08:00 - 2020-12-12T11:38:00-08:00
Invited Talk: Jitendra Malik
Jitendra Malik
2020-12-12T11:38:00-08:00 - 2020-12-12T11:40:00-08:00
QA: Jitendra Malik
Jitendra Malik
2020-12-12T11:40:00-08:00 - 2020-12-12T12:03:00-08:00
Invited Talk: Jia Deng
Jia Deng
2020-12-12T12:03:00-08:00 - 2020-12-12T12:05:00-08:00
QA: Jia Deng
Jia Deng
2020-12-12T12:05:00-08:00 - 2020-12-12T12:28:00-08:00
Invited Talk: Alexei Efros
Alexei Efros
2020-12-12T12:28:00-08:00 - 2020-12-12T12:30:00-08:00
QA: Alexei Efros
Alexei Efros
2020-12-12T12:30:00-08:00 - 2020-12-12T13:30:00-08:00
Break
2020-12-12T13:30:00-08:00 - 2020-12-12T13:53:00-08:00
Invited Talk: Yann LeCun
Yann LeCun
2020-12-12T13:53:00-08:00 - 2020-12-12T13:55:00-08:00
QA: Yann LeCun
Yann LeCun
2020-12-12T13:55:00-08:00 - 2020-12-12T14:18:00-08:00
Invited Talk: Kristen Grauman
Kristen Grauman
2020-12-12T14:18:00-08:00 - 2020-12-12T14:20:00-08:00
QA: Kristen Grauman
Kristen Grauman
2020-12-12T14:20:00-08:00 - 2020-12-12T14:43:00-08:00
Invited Talk: Katerina Fragkiadaki
Katerina Fragkiadaki
2020-12-12T14:43:00-08:00 - 2020-12-12T14:45:00-08:00
QA: Katerina Fragkiadaki
Katerina Fragkiadaki
2020-12-12T14:45:00-08:00 - 2020-12-12T15:08:00-08:00
Invited Talk: Abhinav Gupta
Abhinav Gupta
2020-12-12T15:08:00-08:00 - 2020-12-12T15:10:00-08:00
QA: Abhinav Gupta
Abhinav Gupta
2020-12-12T15:10:00-08:00 - 2020-12-12T16:10:00-08:00
Poster Session II
2020-12-12T16:10:00-08:00 - 2020-12-12T16:33:00-08:00
Invited Talk: Leonidas J. Guibas
Leonidas Guibas
2020-12-12T16:33:00-08:00 - 2020-12-12T16:35:00-08:00
QA: Leonidas J. Guibas
Leonidas Guibas
2020-12-12T16:35:00-08:00 - 2020-12-12T16:58:00-08:00
Invited Talk: Quoc V. Le
Quoc V. Le
2020-12-12T16:58:00-08:00 - 2020-12-12T17:00:00-08:00
QA: Quoc V. Le
Quoc V. Le
2020-12-12T17:00:00-08:00 - 2020-12-12T17:23:00-08:00
Invited Talk: Chelsea Finn
Chelsea Finn
2020-12-12T17:23:00-08:00 - 2020-12-12T17:25:00-08:00
QA: Chelsea Finn
Chelsea Finn
2020-12-12T17:25:00-08:00 - 2020-12-12T17:39:00-08:00
Contributed Talk: Yuandong Tian
Yuandong Tian
2020-12-12T17:39:00-08:00 - 2020-12-12T17:40:00-08:00
QA: Yuandong Tian
Yuandong Tian
2020-12-12T17:40:00-08:00 - 2020-12-12T18:40:00-08:00
Panel Discussion & Closing
Yejin Choi, Alexei Efros, Chelsea Finn, Kristen Grauman, Quoc V Le, Yann LeCun, Ruslan Salakhutdinov, Eric Xing