Touché program was part of the CLEF 2020 conference program.
Touché 2020 workshop videos.

September, 23 (all times are CEST)
Touché: Argument Retrieval Workshop will be held online
15:00-15:10 Touché 2020 Welcome [slides]
15:10-16:30 Session 1: Conversational Argument Retrieval
15:10-15:40 Keynote: Argument Retrieval in Project Debater [slides]
Yufang Hou (IBM Research Europe, Dublin)
15:40-15:50 Overview of Task 1 on Conversational Argument Retrieval [slides]
15:50-16:00 Exploring Argument Retrieval with Transformers (paper presentation) [slides]
Christopher Akiki
16:00-16:10 Ranking Arguments by Combining Claim Similarity and Argument Quality Dimensions (paper presentation) [slides]
Lorik Dumani and Ralf Schenkel
16:10-16:30 Lightning talks [slides]
Touché Task 1 participants
16:30-17:00 Break
17:00-18:30 Session 2: Comparative Argument Retrieval
17:00-17:25 Keynote: Debate Technology for Empowering the Public: Insights and Avenues [slides]
Annette Hautli-Janisz (University of Konstanz)
17:25-17:35 Overview of Task 2 on Comparative Argument Retrieval [slides]
17:35-17:45 Retrieving Comparative Arguments using Deep Pre-trained Language Models and NLU (paper presentation) [slides]
Viktoriia Chekalina and Alexander Panchenko
17:45-17:55 University of Amsterdam at CLEF 2020 (paper presentation)
Mahsa S. Shahshahani and Jaap Kamps
17:55-18:05 Lightning talks [slides]
Touché Task 2 participants
18:05-18:30 Panel discussion and closing remarks [slides]