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Nikolas Vitsakis

5 accepted papers

2025

CROPE: Evaluating In-Context Adaptation of Vision and Language Models to Culture-Specific Concepts

NAACL 2025long

As Vision and Language models (VLMs) become accessible across the globe, it is important that they demonstrate cultural knowledge. In his paper, we introduce CROPE, a visual question answering benchmark designed to probe the knowledge of culture-specific concepts and evaluate the capacity for cultur…

2025

The Only Way is Ethics: A Guide to Ethical Research with Large Language Models

COLING 2025main

There is a significant body of work looking at the ethical considerations of large language models (LLMs): critiquing tools to measure performance and harms; proposing toolkits to aid in ideation; discussing the risks to workers; considering legislation around privacy and security etc. As yet there…

2024

Investigating the Role of Instruction Variety and Task Difficulty in Robotic Manipulation Tasks

EMNLP 2024main

Evaluating the generalisation capabilities of multimodal models based solely on their performance on out-of-distribution data fails to capture their true robustness. This work introduces a comprehensive evaluation framework that systematically examines the role of instructions and inputs in the gene…

2024

Re-examining Sexism and Misogyny Classification with Annotator Attitudes

EMNLP 2024finding

Gender-Based Violence (GBV) is an increasing problem online, but existing datasets fail to capture the plurality of possible annotator perspectives or ensure the representation of affected groups. We revisit two important stages in the moderation pipeline for GBV: (1) manual data labelling; and (2)…

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