task_categories:graph-ml language:bn language:en license:cc-by-nc-4.0 size_categories:100K<n<1M arxiv:2602.12129 region:us Bangla Book Recommendation User-item-interaction HGNN Collaborative-Filtering Neural-Two-Tower Graph-Neural-Network Heterogeneous-Graph book-recommedation LightGCN Global-Popularity item-based-CF explicit-mf-svd category_aware_popularity user-based multi-entity