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Overview of the CLEF–2023 CheckThat! Lab on Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority of News Articles and Their Source
(
Springer Science and Business Media Deutschland GmbH
, 2023 , Conference Paper)
We describe the sixth edition of the CheckThat! lab, part of the 2023 Conference and Labs of the Evaluation Forum (CLEF). The five previous editions of CheckThat! focused on the main tasks of the information verification ...
Overview of the CLEF–2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News
(
Springer Science and Business Media Deutschland GmbH
, 2021 , Conference Paper)
We describe the fourth edition of the CheckThat! Lab, part of the 2021 Conference and Labs of the Evaluation Forum (CLEF). The lab evaluates technology supporting tasks related to factuality, and covers Arabic, Bulgarian, ...
Overview of the CLEF-2021 CheckThat! Lab Task 1 on check-worthiness estimation in tweets and political debates
(
CEUR-WS
, 2021 , Conference Paper)
We present an overview of Task 1 of the fourth edition of the CheckThat! Lab, part of the 2021 Conference and Labs of the Evaluation Forum (CLEF). The task asks to predict which posts in a Twitter stream are worth ...
CheckThat! at CLEF 2019: Automatic identification and verification of claims
(
Springer Verlag
, 2019 , Conference Paper)
We introduce the second edition of the CheckThat! Lab, part of the 2019 Cross-Language Evaluation Forum (CLEF). CheckThat! proposes two complementary tasks. Task 1: predict which claims in a political debate should be ...
Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media
(
Springer Science and Business Media Deutschland GmbH
, 2020 , Conference Paper)
We present an overview of the third edition of the CheckThat! Lab at CLEF 2020. The lab featured five tasks in two different languages: English and Arabic. The first four tasks compose the full pipeline of claim verification ...
CheckThat! at CLEF 2020: Enabling the automatic identification and verification of claims in social media
(
Springer
, 2020 , Conference Paper)
We describe the third edition of the CheckThat! Lab, which is part of the 2020 Cross-Language Evaluation Forum (CLEF). CheckThat! proposes four complementary tasks and a related task from previous lab editions, offered in ...
Overview of the CLEF-2018 checkthat! lab on automatic identification and verification of political claims
(
Springer Verlag
, 2018 , Conference Paper)
We present an overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. In its starting year, the lab featured two tasks. Task 1 asked to predict which (potential) claims ...
Overview of the CLEF-2019 CheckThat! Lab: Automatic Identification and Verification of Claims
(
Springer Verlag
, 2019 , Conference Paper)
We present an overview of the second edition of the CheckThat! Lab at CLEF 2019. The lab featured two tasks in two different languages: English and Arabic. Task 1 (English) challenged the participating systems to predict ...
Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. Task 2: Factuality
(
CEUR-WS
, 2018 , Conference Paper)
We present an overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims, with focus on Task 2: Factuality. The task asked to assess whether a given check-worthy claim made ...
Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. Task 1: Check-Worthiness
(
CEUR-WS
, 2018 , Conference Paper)
We present an overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims, with focus on Task 1: Check-Worthiness. The task asks to predict which claims in a political debate ...