Citation needed: A taxonomy and algorithmic assessment of Wikipedia's verifiability

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Redi, M.; Morgan, J.; Fetahu, B.; Taraborelli, D.: Citation needed: A taxonomy and algorithmic assessment of Wikipedia's verifiability. In: The Web Conference 2019 - Proceedings of the World Wide Web Conference, WWW 2019, S. 1567-1578. DOI: https://doi.org/10.1145/3308558.3313618

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/5061

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Sum total of downloads: 161




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Abstract: 
Wikipedia is playing an increasingly central role on the web, and the policies its contributors follow when sourcing and fact-checking content affect million of readers. Among these core guiding principles, verifiability policies have a particularly important role. Verifiability requires that information included in a Wikipedia article be corroborated against reliable secondary sources. Because of the manual labor needed to curate Wikipedia at scale, however, its contents do not always evenly comply with these policies. Citations (i.e. reference to external sources) may not conform to verifiability requirements or may be missing altogether, potentially weakening the reliability of specific topic areas of the free encyclopedia. In this paper, we aim to provide an empirical characterization of the reasons why and how Wikipedia cites external sources to comply with its own verifiability guidelines. First, we construct a taxonomy of reasons why inline citations are required, by collecting labeled data from editors of multiple Wikipedia language editions. We then crowdsource a large-scale dataset of Wikipedia sentences annotated with categories derived from this taxonomy. Finally, we design algorithmic models to determine if a statement requires a citation, and to predict the citation reason. We evaluate the accuracy of such models across different classes of Wikipedia articles of varying quality, and on external datasets of claims annotated for fact-checking purposes.
License of this version: CC BY 4.0 Unported
Document Type: BookPart
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Forschungszentren

distribution of downloads over the selected time period:

downloads by country:

pos. country downloads
total perc.
1 image of flag of United States United States 51 31.68%
2 image of flag of Germany Germany 50 31.06%
3 image of flag of Netherlands Netherlands 14 8.70%
4 image of flag of Czech Republic Czech Republic 7 4.35%
5 image of flag of Poland Poland 6 3.73%
6 image of flag of Ukraine Ukraine 3 1.86%
7 image of flag of Russian Federation Russian Federation 3 1.86%
8 image of flag of Europe Europe 3 1.86%
9 image of flag of China China 3 1.86%
10 image of flag of India India 2 1.24%
    other countries 19 11.80%

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