activity
20212026
most citedVendorLink: An NLP approach for Identifying & Linking Vendor Migrants & Potential Aliases on Darknet Markets

6 citations · 20 across the 11 of their papers we have counts for

collaborators

12 papers

cs.CY2026

Drowning in AI Slop: How Social Media Platforms (Do Not) Label AI and Deepfake Content under EU law

Bram Rijsbosch, Luka Bekavac, Henry Tari +2

AI labels are emerging as a primary safeguard for transparency about AI-generated content on social media, including under the EU Digital Services Act and AI Act. Yet, limited syst…

cs.CY2026

Is your AI Model Accurate Enough? The Difficult Choices Behind Rigorous AI Development and the EU AI Act

Lucas G. Uberti-Bona Marin, Bram Rijsbosch, Kristof Meding +3

Technical and legal debates frequently suggest that "accuracy" is an objective, measurable, and purely technical property. We challenge this view, showing that evaluating AI perfor…

cs.MM2025

Can LLMs Create Legally Relevant Summaries and Analyses of Videos?

Lyra Hoeben-Kuil, Gijs van Dijck, Jaromir Savelka +6

Understanding the legally relevant factual basis of an event and conveying it through text is a key skill of legal professionals. This skill is important for preparing forms (e.g.,…

cs.CY2025★ 4 cited

Adoption of Watermarking for Generative AI Systems in Practice and Implications under the new EU AI Act

Bram Rijsbosch, Gijs van Dijck, Konrad Kollnig

AI-generated images have become so good in recent years that individuals often cannot distinguish them any more from "real" images. This development, combined with the rapid spread…

cs.CL2024

MATCHED: Multimodal Authorship-Attribution To Combat Human Trafficking in Escort-Advertisement Data

Vageesh Saxena, Benjamin Bashpole, Gijs Van Dijck +1

Human trafficking (HT) remains a critical issue, with traffickers increasingly leveraging online escort advertisements (ads) to advertise victims anonymously. Existing detection me…

cs.CL2024

Know When to Fuse: Investigating Non-English Hybrid Retrieval in the Legal Domain

Antoine Louis, Gijs van Dijck, Gerasimos Spanakis

Hybrid search has emerged as an effective strategy to offset the limitations of different matching paradigms, especially in out-of-domain contexts where notable improvements in ret…

cs.CL2024★ 2 cited

ColBERT-XM: A Modular Multi-Vector Representation Model for Zero-Shot Multilingual Information Retrieval

Antoine Louis, Vageesh Saxena, Gijs van Dijck +1

State-of-the-art neural retrievers predominantly focus on high-resource languages like English, which impedes their adoption in retrieval scenarios involving other languages. Curre…

cs.CL2023

IDTraffickers: An Authorship Attribution Dataset to link and connect Potential Human-Trafficking Operations on Text Escort Advertisements

Vageesh Saxena, Benjamin Bashpole, Gijs Van Dijck +1

Human trafficking (HT) is a pervasive global issue affecting vulnerable individuals, violating their fundamental human rights. Investigations reveal that a significant number of HT…

cs.CL2023★ 2 cited

Interpretable Long-Form Legal Question Answering with Retrieval-Augmented Large Language Models

Antoine Louis, Gijs van Dijck, Gerasimos Spanakis

Many individuals are likely to face a legal dispute at some point in their lives, but their lack of understanding of how to navigate these complex issues often renders them vulnera…

cs.CY2023★ 6 cited

VendorLink: An NLP approach for Identifying & Linking Vendor Migrants & Potential Aliases on Darknet Markets

Vageesh Saxena, Nils Rethmeier, Gijs Van Dijck +1

The anonymity on the Darknet allows vendors to stay undetected by using multiple vendor aliases or frequently migrating between markets. Consequently, illegal markets and their con…

cs.IR2023★ 3 cited

Finding the Law: Enhancing Statutory Article Retrieval via Graph Neural Networks

Antoine Louis, Gijs van Dijck, Gerasimos Spanakis

Statutory article retrieval (SAR), the task of retrieving statute law articles relevant to a legal question, is a promising application of legal text processing. In particular, hig…

cs.CL2021★ 3 cited

A Statutory Article Retrieval Dataset in French

Antoine Louis, Gerasimos Spanakis

Statutory article retrieval is the task of automatically retrieving law articles relevant to a legal question. While recent advances in natural language processing have sparked con…