Efficient Retrieval Scaling with Hierarchical Indexing for Large Scale Recommendation

Benchmark Model Rank Results
collaborative-filtering-on-gowallaHILL–Recall@20: 0.1924NDCG@20: 0.1628
collaborative-filtering-on-yelp2018HILL–NDCG@20: 0.0612Recall@20: 0.0745
recommendation-systems-on-gowallaHILL–nDCG@20: 0.1628Recall@20: 0.1924