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Computational Fact Checking from Knowledge Networks

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2015
Project Production and consumption of information in large-scale social media
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Original article (peer-reviewed)

Journal PLoS ONE
Volume (Issue) 10(6)
Page(s) 0128193 - 0128193
Title of proceedings PLoS ONE
DOI 10.1371/journal.pone.0128193

Open Access

URL http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0128193
Type of Open Access Publisher (Gold Open Access)

Abstract

Traditional fact checking by expert journalists cannot keep up with the enormous volume of information that is now generated online. Computational fact checking may significantly enhance our ability to evaluate the veracity of dubious information. Here we show that the complexities of human fact checking can be approximated quite well by finding the shortest path between concept nodes under properly defined semantic proximity metrics on knowledge graphs. Framed as a network problem this approach is feasible with efficient computational techniques. We evaluate this approach by examining tens of thousands of claims related to history, entertainment, geography, and biographical information using a public knowledge graph extracted from Wikipedia. Statements independently known to be true consistently receive higher support via our method than do false ones. These findings represent a significant step toward scalable computational fact-checking methods that may one day mitigate the spread of harmful misinformation.

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