Debora Nozza

Mapping natural language labels to structured web resources

2018 · Institutional Research Information System University of Turin (University of Turin)

Mapping natural language terms to a Web knowledge base enriches information systems without additional context, with new relations and properties from the Linked Open Data. In this paper we formally define such task, which is …

Wisdom of Instruction-Tuned Language Model Crowds. Exploring Model Label Variation

2023 · arXiv (Cornell University)

Large Language Models (LLMs) exhibit remarkable text classification capabilities, excelling in zero- and few-shot learning (ZSL and FSL) scenarios. However, since they are trained on different datasets, performance varies widely across tasks between those models. …

Data-Efficient Strategies for Expanding Hate Speech Detection into Under-Resourced Languages

2022

Hate speech is a global phenomenon, but most hate speech datasets so far focus on English-language content. This hinders the development of more effective hate speech detection models in hundreds of languages spoken by billions …

A Cross-Lingual Study of Homotransphobia on Twitter

2023

We present a cross-lingual study of homotransphobia on Twitter, examining the prevalence and forms of homotransphobic content in tweets related to LGBT issues in seven languages. Our findings reveal that homotransphobia is a global problem …

The Unseen Targets of Hate: A Systematic Review of Hateful Communication Datasets

2024 · Social Science Computer Review

Machine learning (ML)-based content moderation tools are essential to keep online spaces free from hateful communication. Yet ML tools can only be as capable as the quality of the data they are trained on allows …