Overview of CLEARS at IberLEF 2025: Challenge for Plain Language and Easy-to-Read Adaptation for Spanish texts

Resumen

This paper presents CLEARS, a shared task organized within the framework of the evaluation campaign for Natural Language Processing systems in Spanish and other Iberian languages, IberLEF 2025. The main objective of CLEARS is to investigate and develop automatic techniques for adapting Spanish texts to plain language and easy-to-read formats. Two subtasks are proposed: the first focuses on adapting texts to plain language format, while the second aims to produce easy-toread texts. CLEARS attracted participation from four teams in Subtask 1 and five teams in Subtask 2. Each team submitted their results and approaches, which are presented below.