Evaluating RAG Pipelines for Arabic Lexical Information Retrieval: A Comparative Study of Embedding and Generation Models. - Raghad Al-Rasheed; Abdullah Al Muaddi; Hawra Aljasim; Rawan N. Al-Matham; Muneera Alhoshan; Asma Al Wazrah; Abdulrahman Alosaimy (COLING Workshops, 2025)