co-visitation

Here are 3 public repositories matching this topic...

arnozeng98 / otto-multi-objective-recommender-system

A reproducible, resource-aware solution for the Kaggle OTTO multi-objective recommendation competition, featuring co-visitation retrieval, target-aware candidates, LambdaMART ranking, and neural retrieval experiments.

cuda pytorch kaggle collaborative-filtering xgboost learning-to-rank recommender-system otto multi-objective faiss sequential-recommendation sasrec candidate-generation co-visitation

Updated Jul 16, 2026
Python

artyomsavov / avito_recsys

Star

Retrieval + ranking pipeline for Avito ad recommendations. Processes 5B events under a 10 GB RAM budget. Co-visitation beats ALS 3.7x on a novelty-filtered target.

collaborative-filtering learning-to-rank recsys recommender-systems catboost duckdb polars memory-constrained implicit-als co-visitation

Updated Jul 9, 2026
Jupyter Notebook

ayushgupta-15 / large-scale-ecommerce-recommender

Star

Large-scale e-commerce recommendation engine with memory-efficient co-visitation, leakage-safe evaluation, feature engineering, and LightGBM LambdaRank reranking.

python machine-learning ecommerce data-engineering lightgbm learning-to-rank recommender-system feature-engineering lambdarank recomendation-system candidate-generation polars co-visitation

Updated Jul 13, 2026
Python

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