Semantic Word Embedding Using BERT on the Persian Web
Subject Areas : electrical and computer engineering
shekoofe
bostan
1
(Yazd University)
Ali-Mohammad
Zare-Bidoki
2
(Associate Professor)
mohamad reza
pajohan
3
(Yazd University)
Keywords: Semantic vector, word embedding, ranking, deep learning,
Abstract :
Using the context and order of words in sentence can lead to its better understanding and comprehension. Pre-trained language models have recently achieved great success in natural language processing. Among these models, The BERT algorithm has been increasingly popular. This problem has not been investigated in Persian language and considered as a challenge in Persian web domain. In this article, the embedding of Persian words forming a sentence was investigated using the BERT algorithm. In the proposed approach, a model was trained based on the Persian web dataset, and the final model was produced with two stages of fine-tuning the model with different architectures. Finally, the features of the model were extracted and evaluated in document ranking. The results obtained from this model are improved compared to results obtained from other investigated models in terms of accuracy compared to the multilingual BERT model by at least one percent. Also, applying the fine-tuning process with our proposed structure on other existing models has resulted in the improvement of the model and embedding accuracy after each fine-tuning process. This process will improve result in around 5% accuracy of the Persian web ranking.
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