Title
Automatic Fact-Checking Using Context and Discourse Information
Abstract
We study the problem of automatic fact-checking, paying special attention to the impact of contextual and discourse information. We address two related tasks: (i) detecting check-worthy claims and (ii) fact-checking claims. We develop supervised systems based on neural networks, kernel-based support vector machines, and combinations thereof, which make use of rich input representations in terms of discourse cues and contextual features. For the check-worthiness estimation task, we focus on political debates, and we model the target claim in the context of the full intervention of a participant and the previous and following turns in the debate, taking into account contextual meta information. For the fact-checking task, we focus on answer verification in a community forum, and we model the veracity of the answer with respect to the entire question–answer thread in which it occurs as well as with respect to other related posts from the entire forum. We develop annotated datasets for both tasks and we run extensive experimental evaluation, confirming that both types of information—but especially contextual features—play an important role.
Year
DOI
Venue
2019
10.1145/3297722
Journal of Data and Information Quality
Keywords
Field
DocType
Fact-checking,community question-answering,discourse
Fact checking,Kernel (linear algebra),Information retrieval,Computer science,Support vector machine,Thread (computing),Artificial neural network
Journal
Volume
Issue
ISSN
11
3
1936-1955
Citations 
PageRank 
References 
3
0.36
0
Authors
8
Name
Order
Citations
PageRank
Pepa Gencheva1298.87
Preslav I. Nakov21771138.66
Màrquez, Lluís32149169.81
Alberto Barrón-Cedeño434629.35
Georgi Karadjov5325.89
Tsvetomila Mihaylova6182.65
Mitra Mohtarami760.75
James Glass83123413.63