Recommendation Systems

Recommendation System in AI Research

A Recommendation System is a specialized AI-driven model that analyzes user preferences and behaviors to suggest relevant content, products, or services. It is widely used in domains like e-commerce, streaming platforms, social media, and personalized learning.

AI research in recommendation systems focuses on:

Collaborative Filtering: Predicting user preferences based on similar users' choices.
Content-Based Filtering: Recommending items based on user history and item characteristics.
Hybrid Models: Combining multiple techniques for better accuracy.
Deep Learning & Transformers: Using neural networks and self-attention mechanisms for personalized recommendations.
Graph-Based Approaches: Leveraging knowledge graphs for relationship-aware recommendations.

Key challenges include data sparsity, scalability, and bias mitigation. Cutting-edge research explores reinforcement learning, explainability, and privacy-preserving methods to enhance recommendation systems.

Papers

Recently Added Most Hyped Most Active Needs Verification Most Verified

Showing 3301–3350 of 6047 papers

Title	Date	Tasks	Status
Represent Items by Items: An Enhanced Representation of the Target Item for Recommendation	Apr 26, 2021	Collaborative FilteringRecommendation Systems	—Unverified
Reproducibility and Artifact Consistency of the SIGIR 2022 Recommender Systems Papers Based on Message Passing	Mar 10, 2025	Recommendation Systems	—Unverified
Requirements Engineering for General Recommender Systems	Feb 24, 2016	Recommendation Systems	—Unverified
Re-ranking With Constraints on Diversified Exposures for Homepage Recommender System	Dec 12, 2021	DiversityRecommendation Systems	—Unverified
Re-scale AdaBoost for Attack Detection in Collaborative Filtering Recommender Systems	Jun 15, 2015	Collaborative FilteringGeneral Classification	—Unverified
Research Commentary on Recommendations with Side Information: A Survey and Research Directions	Sep 19, 2019	Knowledge GraphsRecommendation Systems	—Unverified
Research on Model Parallelism and Data Parallelism Optimization Methods in Large Language Model-Based Recommendation Systems	Jun 21, 2025	Language ModelingLanguage Modelling	—Unverified
Research on restaurant recommendation using machine learning	Aug 10, 2022	Recommendation Systems	—Unverified
Research on the Design of a Short Video Recommendation System Based on Multimodal Information and Differential Privacy	Mar 27, 2025	Recommendation Systems	—Unverified
Research Paper Recommender System by Considering Users' Information Seeking Behaviors	Apr 3, 2025	Recommendation Systems	—Unverified
Research Progress of News Recommendation Methods	Dec 4, 2020	Collaborative FilteringKnowledge Graphs	—Unverified
Resilience in Knowledge Graph Embeddings	Oct 28, 2024	Graph EmbeddingInformation Retrieval	—Unverified
Graph-Based Recommendation System Enhanced with Community Detection	Jan 10, 2022	Community DetectionRecommendation Systems	—Unverified
Restless Bandits with Many Arms: Beating the Central Limit Theorem	Jul 25, 2021	Active LearningManagement	—Unverified
Restricted Boltzmann Machines for Collaborative Filtering	Jun 7, 2007	Collaborative FilteringRecommendation Systems	—Unverified
Retentive Decision Transformer with Adaptive Masking for Reinforcement Learning based Recommendation Systems	Mar 26, 2024	Computational EfficiencyDecision Making	—Unverified
Rethinking Collaborative Metric Learning: Toward an Efficient Alternative without Negative Sampling	Jun 23, 2022	Metric LearningRecommendation Systems	—Unverified
Rethinking E-Commerce Search	Dec 6, 2023	ArticlesInformation Retrieval	—Unverified
Rethinking Financial Service Promotion With Hybrid Recommender Systems at PicPay	Oct 16, 2023	Recommendation Systems	—Unverified
RETHINKING LOCAL LOW RANK MATRIX DETECTION:A MULTIPLE-FILTER BASED NEURAL NETWORK FRAMEWORK	Jan 1, 2021	Recommendation Systems	—Unverified
Rethinking negative sampling in content-based news recommendation	Nov 13, 2024	ArticlesNews Recommendation	—Unverified
Rethinking Recommender Systems: Cluster-based Algorithm Selection	May 28, 2024	ClusteringRecommendation Systems	—Unverified
Rethinking Reinforcement Learning for Recommendation: A Prompt Perspective	Jun 15, 2022	Recommendation Systemsreinforcement-learning	—Unverified
Retraining A Graph-based Recommender with Interests Disentanglement	May 5, 2023	DisentanglementIncremental Learning	—Unverified
Retrieval and Distill: A Temporal Data Shift-Free Paradigm for Online Recommendation System	Apr 24, 2024	Recommendation SystemsRetrieval	—Unverified
Retrieval Augmentation via User Interest Clustering	Aug 7, 2024	ClusteringComputational Efficiency	—Unverified
Retrieval-Augmented Purifier for Robust LLM-Empowered Recommendation	Apr 3, 2025	Large Language ModelRAG	—Unverified
Reusable Self-Attention-based Recommender System for Fashion	Nov 29, 2022	Recommendation Systems	—Unverified
Reusable Self-Attention Recommender Systems in Fashion Industry Applications	Jan 17, 2023	Recommendation Systems	—Unverified
Revealing the Hidden Impact of Top-N Metrics on Optimization in Recommender Systems	Jan 16, 2024	Recommendation SystemsRe-Ranking	—Unverified
Review Based Rating Prediction	Jun 30, 2016	Information RetrievalMarketing	—Unverified
Review-based Recommender Systems: A Survey of Approaches, Challenges and Future Perspectives	May 9, 2024	NavigateRecommendation Systems	—Unverified
Review-Incorporated Model-Agnostic Profile Injection Attacks on Recommender Systems	Feb 14, 2024	Data PoisoningGenerative Adversarial Network	—Unverified
Reviewing Developments of Graph Convolutional Network Techniques for Recommendation Systems	Nov 10, 2023	graph constructionGraph Neural Network	—Unverified
Review-LLM: Harnessing Large Language Models for Personalized Review Generation	Jul 10, 2024	PersuasivenessRecommendation Systems	—Unverified
Review of Clustering-Based Recommender Systems	Sep 27, 2021	ClusteringDiversity	—Unverified
Review of compressed embedding layers and their applications for recommender systems	Jun 23, 2023	Recommendation Systems	—Unverified
Revisiting Algorithmic Audits of TikTok: Poor Reproducibility and Short-term Validity of Findings	Apr 25, 2025	Recommendation Systems	—Unverified
Revisiting Graph based Social Recommendation: A Distillation Enhanced Social Graph Network	Apr 25, 2022	Knowledge DistillationRecommendation Systems	—Unverified
Revisiting Multi-modal Emotion Learning with Broad State Space Models and Probability-guidance Fusion	Apr 27, 2024	DisentanglementEmotion Classification	—Unverified
Revisiting Neighborhood-based Link Prediction for Collaborative Filtering	Mar 29, 2022	Collaborative FilteringGraph Neural Network	—Unverified
Revisiting SVD to generate powerful Node Embeddings for Recommendation Systems	Oct 5, 2021	Graph Representation LearningRecommendation Systems	—Unverified
Revisiting Wedge Sampling for Budgeted Maximum Inner Product Search	Aug 23, 2019	Recommendation Systems	—Unverified
Revisit Recommender System in the Permutation Prospective	Feb 24, 2021	Recommendation SystemsRe-Ranking	—Unverified
Reward Constrained Interactive Recommendation with Natural Language Feedback	May 4, 2020	Interactive RecommendationRecommendation Systems	—Unverified
Re-weighting Negative Samples for Model-Agnostic Matching	Jul 6, 2022	modelMulti-Task Learning	—Unverified
RIBBON: Cost-Effective and QoS-Aware Deep Learning Model Inference using a Diverse Pool of Cloud Computing Instances	Jul 23, 2022	Bayesian OptimizationCloud Computing	—Unverified
Ripple Knowledge Graph Convolutional Networks For Recommendation Systems	May 2, 2023	Deep LearningKnowledge Graphs	—Unverified
Risk Preferences of Learning Algorithms	May 10, 2022	FairnessRecommendation Systems	—Unverified
Risk-Sensitive and Robust Model-Based Reinforcement Learning and Planning	Apr 2, 2023	Decision MakingModel-based Reinforcement Learning	—Unverified

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All datasets MovieLens 1M Amazon-Book MovieLens 100K MovieLens 20M MovieLens 10M Gowalla Yelp2018 Netflix Douban Monti ReDial Amazon Beauty Douban

Benchmark Results

#	Model	Metric	Claimed	Verified	Status
1	KTUP (soft)	HR@10	0.89	—	Unverified
2	Factorization with dictionary learning	RMSE	0.87	—	Unverified
3	Factorized EAE	RMSE	0.86	—	Unverified
4	U-CFN	RMSE	0.86	—	Unverified
5	IGMC	RMSE	0.86	—	Unverified
6	FedGNN	RMSE	0.85	—	Unverified
7	NNMF	RMSE	0.84	—	Unverified
8	BST	RMSE	0.84	—	Unverified
9	FedPerGNN	RMSE	0.84	—	Unverified
10	GHRS	RMSE	0.84	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	LT-OCF	Recall@20	0.19	—	Unverified
2	SSCF	nDCG@20	0.06	—	Unverified
3	SANSA	nDCG@20	0.06	—	Unverified
4	RLAE-DAN	nDCG@20	0.06	—	Unverified
5	HSTU+MoL	HR@10	0.06	—	Unverified
6	BSPM-LM	nDCG@20	0.06	—	Unverified
7	BSPM-EM	nDCG@20	0.06	—	Unverified
8	Turbo-CF	nDCG@20	0.06	—	Unverified
9	Emb-GCN	nDCG@20	0.06	—	Unverified
10	NESCL	nDCG@20	0.05	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	GMC	RMSE (u1 Splits)	1	—	Unverified
2	GRALS	RMSE (u1 Splits)	0.95	—	Unverified
3	sRGCNN	RMSE (u1 Splits)	0.93	—	Unverified
4	WMLFF	RMSE (u1 Splits)	0.93	—	Unverified
5	FedGNN	RMSE	0.92	—	Unverified
6	Factorized EAE	RMSE (u1 Splits)	0.92	—	Unverified
7	GRAEM / KPMF	RMSE (u1 Splits)	0.92	—	Unverified
8	Self-Supervised Exchangeable Model	RMSE (u1 Splits)	0.91	—	Unverified
9	FedPerGNN	RMSE	0.91	—	Unverified
10	GC-MC	RMSE (u1 Splits)	0.91	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	HyperML	nDCG@10	0.64	—	Unverified
2	LRML	nDCG@10	0.62	—	Unverified
3	CML	nDCG@10	0.53	—	Unverified
4	Multi-Gradient Descent	Recall@20	0.42	—	Unverified
5	RecVAE	Recall@20	0.41	—	Unverified
6	VASP	Recall@20	0.41	—	Unverified
7	H+Vamp Gated	Recall@20	0.41	—	Unverified
8	RaCT	Recall@20	0.4	—	Unverified
9	Mult-VAE PR	Recall@20	0.4	—	Unverified
10	EASE	Recall@20	0.39	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	U-RBM	RMSE	0.82	—	Unverified
2	FedGNN	RMSE	0.8	—	Unverified
3	Factorization with dictionary learning	RMSE	0.8	—	Unverified
4	U-CFN	RMSE	0.8	—	Unverified
5	FedPerGNN	RMSE	0.79	—	Unverified
6	I-AutoRec	RMSE	0.78	—	Unverified
7	GC-MC	RMSE	0.78	—	Unverified
8	I-CFN	RMSE	0.78	—	Unverified
9	SGD MF	RMSE	0.77	—	Unverified
10	CF-NADE	RMSE	0.77	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	ConvNCF	nDCG@20	0.6	—	Unverified
2	NESCL	nDCG@20	0.16	—	Unverified
3	RLAE-DAN	nDCG@20	0.16	—	Unverified
4	BSPM-EM	nDCG@20	0.16	—	Unverified
5	MGDCF	nDCG@20	0.16	—	Unverified
6	Emb-GCN	nDCG@20	0.16	—	Unverified
7	LT-OCF	nDCG@20	0.16	—	Unverified
8	BSPM-LM	nDCG@20	0.16	—	Unverified
9	SimpleX	nDCG@20	0.16	—	Unverified
10	LightGCN	nDCG@20	0.16	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	NESCL	NDCG@20	0.06	—	Unverified
2	BSPM-EM	NDCG@20	0.06	—	Unverified
3	RLAE-DAN	NDCG@20	0.06	—	Unverified
4	BSPM-LM	NDCG@20	0.06	—	Unverified
5	MGDCF	NDCG@20	0.06	—	Unverified
6	SimpleX	NDCG@20	0.06	—	Unverified
7	Turbo-CF	NDCG@20	0.06	—	Unverified
8	LT-OCF	NDCG@20	0.05	—	Unverified
9	SSCF	NDCG@20	0.05	—	Unverified
10	LightGCN	NDCG@20	0.05	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	H+Vamp Gated	nDCG@100	0.41	—	Unverified
2	RecVAE	nDCG@100	0.39	—	Unverified
3	EASE	nDCG@100	0.39	—	Unverified
4	RaCT	nDCG@100	0.39	—	Unverified
5	Mult-VAE PR	nDCG@100	0.39	—	Unverified
6	Mult-DAE	nDCG@100	0.38	—	Unverified
7	∞-AE	nDCG@100	0.37	—	Unverified
8	LRML	nDCG@10	0.36	—	Unverified
9	CML	nDCG@10	0.29	—	Unverified
10	RATE-CSE	Recall@10	0.2	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	GRALS	RMSE	0.83	—	Unverified
2	sRGCNN	RMSE	0.8	—	Unverified
3	Factorized EAE	RMSE	0.74	—	Unverified
4	GC-MC	RMSE	0.73	—	Unverified
5	GRAEM / KPMF	RMSE	0.73	—	Unverified
6	MG-GAT	RMSE	0.73	—	Unverified
7	IGMC	RMSE	0.72	—	Unverified
8	GLocal-K	RMSE	0.72	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	UCCR	Recall@10	0.22	—	Unverified
2	KERL	Recall@1	0.06	—	Unverified
3	C2CRS	Recall@1	0.05	—	Unverified
4	UniCRS	Recall@1	0.05	—	Unverified
5	CRFR	Recall@1	0.04	—	Unverified
6	CR-Walker	Recall@1	0.04	—	Unverified
7	KGSF	Recall@1	0.04	—	Unverified
8	KBRD	Recall@1	0.03	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	CARCA Abs + Con	Hit@10	0.68	—	Unverified
2	ProxyRCA	Hit@10	0.63	—	Unverified
3	CARCA-Rotatory	Hit@10	0.62	—	Unverified
4	CARCA	Hit@10	0.58	—	Unverified
5	SSE-PT	Hit@10	0.5	—	Unverified
6	SASRec	Hit@10	0.49	—	Unverified
7	HetroFair	MAP@20	0.14	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	∞-AE	AUC	0.95	—	Unverified
2	FedGNN	RMSE	0.79	—	Unverified
3	FedPerGNN	RMSE	0.78	—	Unverified
4	GRALS	RMSE	0.71	—	Unverified
5	U-CFN	RMSE	0.7	—	Unverified
6	I-CFN	RMSE	0.69	—	Unverified
7	DGRec	NDCG	0.2	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	GRALS	RMSE	1.24	—	Unverified
2	sRGCNN	RMSE	0.93	—	Unverified
3	GC-MC	RMSE	0.92	—	Unverified
4	Factorized EAE	RMSE	0.91	—	Unverified
5	GRAEM	RMSE	0.89	—	Unverified
6	MG-GAT	RMSE	0.88	—	Unverified
7	IGMC	RMSE	0.87	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	EASE	nDCG@100	0.39	—	Unverified
2	SANSA	nDCG@100	0.39	—	Unverified
3	RecVAE	nDCG@100	0.33	—	Unverified
4	RaCT	nDCG@100	0.32	—	Unverified
5	Mult-VAE PR	nDCG@100	0.32	—	Unverified
6	Mult-DAE	nDCG@100	0.31	—	Unverified
7	CML	Recall@50	0.25	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	TLSAN	AUC	0.95	—	Unverified
2	ProxyRCA	Hit@10	0.81	—	Unverified
3	CARCA-Rotatory + Con.	Hit@10	0.81	—	Unverified
4	CARCA	Hit@10	0.78	—	Unverified
5	SSE-PT	Hit@10	0.78	—	Unverified
6	SASRec	Hit@10	0.74	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	GRALS	RMSE	38.04	—	Unverified
2	sRGCNN	RMSE	22.41	—	Unverified
3	GC-MC	RMSE	20.5	—	Unverified
4	Factorized EAE	RMSE	20	—	Unverified
5	IGMC	RMSE	19.1	—	Unverified
6	MG-GAT	RMSE	18.9	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	SAERS	AUC	0.82	—	Unverified
2	RMHA-4	Hit@10	0.77	—	Unverified
3	ProxyRCA	HitRatio@ 10 (100 Neg. Samples)	0.66	—	Unverified
4	CARCA	HitRatio@ 10 (100 Neg. Samples)	0.59	—	Unverified

#	Model	Metric	Claimed	Verified	Status
1	GraphRec	MAE	0.82	—	Unverified
2	NSCR (Wang et al., 2017)	MAE	0.8	—	Unverified
3	DANSER	MAE	0.78	—	Unverified
4	HetroFair	MAP@20	0.04	—	Unverified