CheckThat! at CLEF 2019: Automatic Identification and Verification of Claims.

Tamer Elsayed, Preslav Nakov, Alberto Barrón-Cedeño, Maram Hasanain, Reem Suwaileh, Giovanni Da San Martino, Pepa Atanasova

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

39 Citations (Scopus)

Abstract

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 prioritized for fact-checking. Task 2: rank Web-retrieved pages against a check-worthy claim based on their usefulness for fact-checking, extract useful passages from those pages, and then use them all to decide whether the claim is factually true or false. Checkthat! provides a full evaluation framework, consisting of data in English (derived from fact-checking sources) and Arabic (gathered and annotated from scratch) and evaluation based on mean average precision (MAP) for ranking and F
for classification tasks.
Original languageEnglish
Title of host publicationAdvances in Information Retrieval : 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14–18, 2019, Proceedings, Part II
Number of pages7
PublisherSpringer
Publication date2019
Pages309-315
DOIs
Publication statusPublished - 2019
Externally publishedYes

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