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cs.CL2026

QQ: A Language Metadata Toolkit for Multilingual NLP

Wessel Poelman, Yiyi Chen, Miryam de Lhoneux

Multilingual NLP research increasingly involves hundreds or thousands of languages across different datasets. Managing, discovering, and reporting language metadata becomes a commo…

cs.CL2024

Against All Odds: Overcoming Typology, Script, and Language Confusion in Multilingual Embedding Inversion Attacks

Yiyi Chen, Russa Biswas, Heather Lent +1

Large Language Models (LLMs) are susceptible to malicious influence by cyber attackers through intrusions such as adversarial, backdoor, and embedding inversion attacks. In respons…

cs.CL2024

Text Embedding Inversion Security for Multilingual Language Models

Yiyi Chen, Heather Lent, Johannes Bjerva

Textual data is often represented as real-numbered embeddings in NLP, particularly with the popularity of large language models (LLMs) and Embeddings as a Service (EaaS). However,…

cs.CL2023

Colexifications for Bootstrapping Cross-lingual Datasets: The Case of Phonology, Concreteness, and Affectiveness

Yiyi Chen, Johannes Bjerva

Colexification refers to the linguistic phenomenon where a single lexical form is used to convey multiple meanings. By studying cross-lingual colexifications, researchers have gain…

cs.CL2021

MigrationsKB: A Knowledge Base of Public Attitudes towards Migrations and their Driving Factors

Yiyi Chen, Harald Sack, Mehwish Alam

With the increasing trend in the topic of migration in Europe, the public is now more engaged in expressing their opinions through various platforms such as Twitter. Understanding…