Program

Touché program was part of the CLEF 2021 conference program. [Videos] of the talks at the workshop.

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September, 24 (times are CEST)
	Touché: Argument Retrieval Workshop was held online [slides]
10:30-10:40	Touché 2021 Welcome Alexander Bondarenko
	Session 1: Argument Retrieval for Controversial Questions
10:40-10:50	Overview of Task 1 on Argument Retrieval for Controversial Questions Lukas Gienapp
10:50-11:05	Exploring Argument Retrieval for Controversial Questions Using Retrieve and Re-rank Pipelines [paper] Raunak Agarwal, Andrei Koniaev, Robin Schaefer
11:05-11:20	Exploring Document Expansion for Argument Retrieval [paper] Alina Mailach, Denise Arnold, Stefan Eysoldt, Simon Kleine
11:20-11:35	Team Skeletor at Touché 2021: Argument Retrieval and Visualization for Controversial Questions [paper] [slides] Kevin Ros, Carl Edwards, Heng Ji, ChengXiang Zhai
11:35-12:00	Lightning talks Touché Task 1 participants
12:00-13:00	Lunch break
	Session 2: Argument Retrieval for Comparative Questions
13:00-13:30	Keynote: Theory-based Argument Quality for Advanced Argument Retrieval: Opportunities and Challenges [slides] Anne Lauscher
13:30-13:40	Overview of Task 2 on Argument Retrieval for Comparative Questions Alexander Bondarenko
13:40-13:50	DistilBERT-based Argumentation Retrieval for Answering Comparative Questions [paper] [slides] Alaa Alhamzeh, Mohamed Bouhaouel, Előd Egyed-Zsigmond, Jelena Mitrović
13:50-14:00	Retrieving Comparative Arguments using Ensemble Methods and Neural Information Retrieval [paper] [slides] Viktoriia Chekalina, Alexander Panchenko
14:00-14:10	Lightning talks Touché Task 2 participants
14:10-14:30	Panel discussion and closing remarks