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 2501–2550 of 6047 papers

Title	Date	Tasks	Status	Hype
Unfolded Self-Reconstruction LSH: Towards Machine Unlearning in Approximate Nearest Neighbour Search	Apr 5, 2023	Machine UnlearningRecommendation Systems	—Unverified	0
Evaluating Online Bandit Exploration In Large-Scale Recommender System	Apr 5, 2023	FairnessRecommendation Systems	—Unverified	0
DiffuRec: A Diffusion Model for Sequential Recommendation	Apr 3, 2023	modelRecommendation Systems	CodeCode Available	1
Is More Always Better? The Effects of Personal Characteristics and Level of Detail on the Perception of Explanations in a Recommender System	Apr 3, 2023	Explainable RecommendationRecommendation Systems	—Unverified	0
Sequence-aware item recommendations for multiply repeated user-item interactions	Apr 2, 2023	Collaborative FilteringMarketing	—Unverified	0
Risk-Sensitive and Robust Model-Based Reinforcement Learning and Planning	Apr 2, 2023	Decision MakingModel-based Reinforcement Learning	—Unverified	0
MATURE-HEALTH: HEALTH Recommender System for MAndatory FeaTURE choices	Apr 1, 2023	Recommendation Systems	—Unverified	0
AISecKG: Knowledge Graph Dataset for Cybersecurity Education	Mar 30, 2023	Active LearningKnowledge Graphs	CodeCode Available	1
Causal Disentangled Recommendation Against User Preference Shifts	Mar 28, 2023	Recommendation Systems	CodeCode Available	0
Item Graph Convolution Collaborative Filtering for Inductive Recommendations	Mar 28, 2023	Collaborative FilteringRecommendation Systems	CodeCode Available	0
PORE: Provably Robust Recommender Systems against Data Poisoning Attacks	Mar 26, 2023	Data PoisoningRecommendation Systems	CodeCode Available	0
Analysis and Visualization of the Parameter Space of Matrix Factorization-based Recommender Systems	Mar 25, 2023	Recommendation Systems	—Unverified	0
Adaptive Bi-Recommendation and Self-Improving Network for Heterogeneous Domain Adaptation-Assisted IoT Intrusion Detection	Mar 25, 2023	Domain AdaptationIntrusion Detection	—Unverified	0
Chat-REC: Towards Interactive and Explainable LLMs-Augmented Recommender System	Mar 25, 2023	In-Context LearningRecommendation Systems	—Unverified	0
Evolution of the Online Rating Platform Data Structures and its Implications for Recommender Systems	Mar 25, 2023	Recommendation Systems	—Unverified	0
The Effect of Product Recommendations on Online Investor Behaviors	Mar 24, 2023	Recommendation Systems	—Unverified	0
GSplit: Scaling Graph Neural Network Training on Large Graphs via Split-Parallelism	Mar 24, 2023	Graph Neural NetworkRecommendation Systems	—Unverified	0
Where to Go Next for Recommender Systems? ID- vs. Modality-based Recommender Models Revisited	Mar 24, 2023	Recommendation Systems	CodeCode Available	1
Dialogue-to-Video Retrieval	Mar 23, 2023	Recommendation SystemsRetrieval	CodeCode Available	0
Uncertainty Calibration for Counterfactual Propensity Estimation in Recommendation	Mar 23, 2023	counterfactualGeneralization Bounds	CodeCode Available	0
Bounding System-Induced Biases in Recommender Systems with A Randomized Dataset	Mar 21, 2023	Recommendation Systems	—Unverified	0
Dynamically Expandable Graph Convolution for Streaming Recommendation	Mar 21, 2023	Graph LearningRecommendation Systems	CodeCode Available	1
Debiased Contrastive Learning for Sequential Recommendation	Mar 21, 2023	Contrastive LearningData Augmentation	CodeCode Available	1
Multimodal Pre-training Framework for Sequential Recommendation via Contrastive Learning	Mar 21, 2023	Contrastive LearningRecommendation Systems	—Unverified	0
A Survey on Causal Inference for Recommendation	Mar 21, 2023	Causal Inferencecounterfactual	CodeCode Available	1
Recommendation Systems in Libraries: an Application with Heterogeneous Data Sources	Mar 21, 2023	Collaborative FilteringDecision Making	—Unverified	0
OntoMath^PRO 2.0 Ontology: Updates of the Formal Model	Mar 17, 2023	ManagementMath	—Unverified	0
ITM-Rec: An Open Data Set for Educational Recommender Systems	Mar 17, 2023	Recommendation Systems	CodeCode Available	0
Contrastive Self-supervised Learning in Recommender Systems: A Survey	Mar 17, 2023	Recommendation SystemsSelf-Supervised Learning	—Unverified	0
Measuring the Impact of Explanation Bias: A Study of Natural Language Justifications for Recommender Systems	Mar 16, 2023	Decision MakingRecommendation Systems	—Unverified	0
Borda Regret Minimization for Generalized Linear Dueling Bandits	Mar 15, 2023	Recommendation Systems	—Unverified	0
Dually Enhanced Propensity Score Estimation in Sequential Recommendation	Mar 15, 2023	Recommendation SystemsSequential Recommendation	CodeCode Available	1
Explaining Recommendation System Using Counterfactual Textual Explanations	Mar 14, 2023	counterfactualCounterfactual Reasoning	—Unverified	0
Disentangled Graph Social Recommendation	Mar 14, 2023	Graph Neural NetworkRecommendation Systems	CodeCode Available	1
Neural Group Recommendation Based on a Probabilistic Semantic Aggregation	Mar 13, 2023	Collaborative FilteringRecommendation Systems	CodeCode Available	0
Beyond Single Items: Exploring User Preferences in Item Sets with the Conversational Playlist Curation Dataset	Mar 13, 2023	Music RecommendationRecommendation Systems	CodeCode Available	1
P-MMF: Provider Max-min Fairness Re-ranking in Recommender System	Mar 12, 2023	FairnessRecommendation Systems	CodeCode Available	0
AutoDenoise: Automatic Data Instance Denoising for Recommendations	Mar 12, 2023	Deep Reinforcement LearningDenoising	—Unverified	0
MobileRec: A Large-Scale Dataset for Mobile Apps Recommendation	Mar 12, 2023	Recommendation Systems	—Unverified	0
PowerMat: context-aware recommender system without user item rating values that solves the cold-start problem	Mar 11, 2023	Recommendation Systems	—Unverified	0
AutoMLP: Automated MLP for Sequential Recommendations	Mar 11, 2023	Recommendation Systems	—Unverified	0
Uncertainty-Aware Instance Reweighting for Off-Policy Learning	Mar 11, 2023	Recommendation Systems	—Unverified	0
Optimal and Private Learning from Human Response Data	Mar 10, 2023	Privacy PreservingRecommendation Systems	—Unverified	0
HiNet: Novel Multi-Scenario & Multi-Task Learning with Hierarchical Information Extraction	Mar 10, 2023	Multi-Task LearningRecommendation Systems	CodeCode Available	1
Gradient Coordination for Quantifying and Maximizing Knowledge Transference in Multi-Task Learning	Mar 10, 2023	Multi-Task LearningRecommendation Systems	—Unverified	0
Improving Recommendation Systems with User Personality Inferred from Product Reviews	Mar 9, 2023	Decision MakingMusic Recommendation	—Unverified	0
Flooding with Absorption: An Efficient Protocol for Heterogeneous Bandits over Complex Networks	Mar 9, 2023	Decision MakingMulti-Armed Bandits	CodeCode Available	0
Evaluating the Robustness of Conversational Recommender Systems by Adversarial Examples	Mar 9, 2023	Recommendation Systems	—Unverified	0
Unbiased Learning to Rank with Biased Continuous Feedback	Mar 8, 2023	Learning-To-RankPosition	—Unverified	0
Comprehensive Event Representations using Event Knowledge Graphs and Natural Language Processing	Mar 8, 2023	Event ExtractionKnowledge Graph Completion	—Unverified	0

Show:10 25 50

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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