Search Results for author: Ari Z. Klein

Found 4 papers, 0 papers with code

ReportAGE: Automatically extracting the exact age of Twitter users based on self-reports in tweets

no code implementations10 Mar 2021 Ari Z. Klein, Arjun Magge, Graciela Gonzalez-Hernandez

The objective of this study was to develop and evaluate a method that automatically identifies the exact age of users based on self-reports in their tweets.

Multi-class Classification

Towards Automatic Bot Detection in Twitter for Health-related Tasks

no code implementations29 Sep 2019 Anahita Davoudi, Ari Z. Klein, Abeed Sarker, Graciela Gonzalez-Hernandez

Our approach obtains F_1 scores of 0. 7 for the "bot" class, representing improvements of 0. 339.

Automatically Identifying Comparator Groups on Twitter for Digital Epidemiology of Pregnancy Outcomes

no code implementations16 Aug 2019 Ari Z. Klein, Abeselom Gebreyesus, Graciela Gonzalez-Hernandez

Despite the prevalence of adverse pregnancy outcomes such as miscarriage, stillbirth, birth defects, and preterm birth, their causes are largely unknown.

Epidemiology

Automatically Detecting Self-Reported Birth Defect Outcomes on Twitter for Large-scale Epidemiological Research

no code implementations22 Oct 2018 Ari Z. Klein, Abeed Sarker, Davy Weissenbacher, Graciela Gonzalez-Hernandez

The primary objective of this study was to take the first step towards scaling the use of social media for observing pregnancies with birth defect outcomes, namely, developing methods for automatically detecting tweets by users reporting their birth defect outcomes.

BIG-bench Machine Learning

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