Tag Recommendation for Online Q&A Communities based on BERT Pre-Training Technique

10 Oct 2020  Â·  Navid Khezrian, Jafar Habibi, Issa Annamoradnejad ·

Online Q&A and open source communities use tags and keywords to index, categorize, and search for specific content. The most obvious advantage of tag recommendation is the correct classification of information. In this study, we used the BERT pre-training technique in tag recommendation task for online Q&A and open-source communities for the first time. Our evaluation on freecode datasets show that the proposed method, called TagBERT, is more accurate compared to deep learning and other baseline methods. Moreover, our model achieved a high stability by solving the problem of previous researches, where increasing the number of tag recommendations significantly reduced model performance.

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Datasets


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Task Dataset Model Metric Name Metric Value Global Rank Benchmark
Multi-Label Text Classification Freecode TagBERT F1-score 46 # 1
Multi-Label Text Classification Freecode TagCNN F1-score 45.3 # 2
Multi-Label Text Classification Freecode FastTagRec F1-score 33.2 # 5
Multi-Label Text Classification Freecode EnTagRec F1-score 36 # 4
Multi-Label Text Classification Freecode TagMulRec F1-score 36.4 # 3

Methods