International Conference on Information and Knowledge Technology

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Benchmarking Embedding Models for Persian-Language Semantic Information Retrieval

Authors :

Mahmood Kalantari¹ Mehdi Feghhi² Nasser Mozayani³

1- دانشگاه علم و صنعت ایران 2- دانشگاه علم و صنعت ایران 3- دانشگاه علم و صنعت ایران

Keywords :

Embedding search،Embedding models،Persian embedding،Persian question-answering،Retrieval-Augmented Generation (RAG)

Abstract :

The increasing reliance on semantic-based retrieval, especially in the context of large language model-powered chatbots, underscores the need for robust evaluation of embedding models. In this study, the performance of embedding models for Persian-language information retrieval was investigated, addressing an area with limited prior research. Four question-answering datasets were used—two publicly available datasets adapted for this study and two custom datasets derived from translations. A systematic evaluation of 17 embedding models was conducted, and the models were ranked based on their accuracy in retrieving relevant content using similarity measures such as dot product, cosine similarity, and L2 distance. The findings emphasize the adaptability of these models to diverse textual data and address the specific challenges posed by the Persian language. This research bridges a critical gap in Persian-language retrieval tasks, providing a comprehensive benchmark for evaluating embedding models in semantic information retrieval scenarios.