CRIS Current Research Information System
IRIS è la soluzione IT che facilita la raccolta e la gestione dei dati relativi alle attività e ai prodotti della ricerca. Fornisce a ricercatori, amministratori e valutatori gli strumenti per monitorare i risultati della ricerca, aumentarne la visibilità e allocare in modo efficace le risorse disponibili.
EnglishWe describe the fourth edition of the CheckThat! Lab, part of the 2021 Cross-Language Evaluation Forum (CLEF). The lab evaluates technology supporting various tasks related to factuality, and it is offered in Arabic, Bulgarian, English, and Spanish. Task 1 asks to predict which tweets in a Twitter stream are worth fact-checking (focusing on COVID-19). Task 2 asks to determine whether a claim in a tweet can be verified using a set of previously fact-checked claims. Task 3 asks to predict the veracity of a target news article and its topical domain. The evaluation is carried out using mean average precision or precision at rank k for the ranking tasks, and F1 for the classification tasks.
| Titolo: | The CLEF-2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News | |
| Autore/i: | Nakov, Preslav; Da San Martino, Giovanni; Elsayed, Tamer; Barrón-Cedeño, Alberto; Míguez, Rubén; Shaar, Shaden; Alam, Firoj; Haouari, Fatima; Hasanain, Maram; Babulkov, Nikolay; Nikolov, Alex; Shahi, Gautam Kishore; Struß, Julia Maria; M; l, Thomas | |
| Autore/i Unibo: | ||
| Anno: | 2021 | |
| Titolo del libro: | Advances in Information Retrieval | |
| Pagina iniziale: | 639 | |
| Pagina finale: | 649 | |
| Abstract: | We describe the fourth edition of the CheckThat! Lab, part of the 2021 Cross-Language Evaluation Forum (CLEF). The lab evaluates technology supporting various tasks related to factuality, and it is offered in Arabic, Bulgarian, English, and Spanish. Task 1 asks to predict which tweets in a Twitter stream are worth fact-checking (focusing on COVID-19). Task 2 asks to determine whether a claim in a tweet can be verified using a set of previously fact-checked claims. Task 3 asks to predict the veracity of a target news article and its topical domain. The evaluation is carried out using mean average precision or precision at rank k for the ranking tasks, and F1 for the classification tasks. | |
| Data stato definitivo: | 27-feb-2022 | |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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