Search Results for author: Claudia Wagner

Found 9 papers, 6 papers with code

On the Reliability and Validity of Detecting Approval of Political Actors in Tweets

no code implementations EMNLP 2020 Indira Sen, Fabian Fl{\"o}ck, Claudia Wagner

Various sentiment analysis and stance detection methods have been developed and used in previous research to measure users{'} political opinions based on their content on social media.

Benchmarking Sentiment Analysis +1

People Make Better Edits: Measuring the Efficacy of LLM-Generated Counterfactually Augmented Data for Harmful Language Detection

1 code implementation2 Nov 2023 Indira Sen, Dennis Assenmacher, Mattia Samory, Isabelle Augenstein, Wil van der Aalst, Claudia Wagner

CADs introduce minimal changes to existing training data points and flip their labels; training on them may reduce model dependency on spurious features.

Data Augmentation

ValiTex -- a unified validation framework for computational text-based measures of social science constructs

1 code implementation6 Jul 2023 Lukas Birkenmaier, Claudia Wagner, Clemens Lechner

Guidance on how to validate computational text-based measures of social science constructs is fragmented.

Counterfactually Augmented Data and Unintended Bias: The Case of Sexism and Hate Speech Detection

no code implementations NAACL 2022 Indira Sen, Mattia Samory, Claudia Wagner, Isabelle Augenstein

Especially, construct-driven CAD -- perturbations of core features -- may induce models to ignore the context in which core features are used.

Hate Speech Detection

The FairCeptron: A Framework for Measuring Human Perceptions of Algorithmic Fairness

1 code implementation8 Feb 2021 Georg Ahnert, Ivan Smirnov, Florian Lemmerich, Claudia Wagner, Markus Strohmaier

The FairCeptron framework is an approach for studying perceptions of fairness in algorithmic decision making such as in ranking or classification.

Decision Making Fairness

"Call me sexist, but...": Revisiting Sexism Detection Using Psychological Scales and Adversarial Samples

1 code implementation27 Apr 2020 Mattia Samory, Indira Sen, Julian Kohne, Fabian Floeck, Claudia Wagner

By providing a scale-based codebook and insights regarding the shortcomings of the state-of-the-art, we hope to contribute to the development of better and broader models for sexism detection, including reflections on theory-driven approaches to data collection.

TED-On: A Total Error Framework for Digital Traces of Human Behavior on Online Platforms

1 code implementation18 Jul 2019 Indira Sen, Fabian Floeck, Katrin Weller, Bernd Weiss, Claudia Wagner

While there are clear parallels to the well-known error sources in the TSE framework, the new "Total Error Framework for Digital Traces of Human Behavior on Online Platforms" (TED-On) identifies several types of error that are specific to the use of digital traces.

Computers and Society Human-Computer Interaction Social and Information Networks

Responsible team players wanted: an analysis of soft skill requirements in job advertisements

no code implementations13 Oct 2018 Federica Calanca, Luiza Sayfullina, Lara Minkus, Claudia Wagner, Eric Malmi

Our work shows that soft skills can serve as partial predictors of the gender composition in job categories and that not all soft skills receive equal wage returns at the labour market.

Sociology

Women Through the Glass Ceiling: Gender Asymmetries in Wikipedia

1 code implementation19 Jan 2016 Claudia Wagner, Eduardo Graells-Garrido, David Garcia, Filippo Menczer

Contributing to the writing of history has never been as easy as it is today thanks to Wikipedia, a community-created encyclopedia that aims to document the world's knowledge from a neutral point of view.

Social and Information Networks

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