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 851–900 of 6047 papers

Title	Date	Tasks	Status
Learning from Sets of Items in Recommender Systems	Apr 22, 2019	Collaborative FilteringRecommendation Systems	—Unverified
A Dynamic Meta-Learning Model for Time-Sensitive Cold-Start Recommendations	Apr 3, 2022	Meta-LearningRecommendation Systems	—Unverified
Aesthetic-based Clothing Recommendation	Sep 16, 2018	Recommendation Systems	—Unverified
A Survey on Practical Applications of Multi-Armed and Contextual Bandits	Apr 2, 2019	Information RetrievalMulti-Armed Bandits	—Unverified
A Novel Behavior-Based Recommendation System for E-commerce	Mar 27, 2024	ClusteringRecommendation Systems	—Unverified
Ae^2I: A Double Autoencoder for Imputation of Missing Values	Jan 16, 2023	ImputationMissing Values	—Unverified
CauseRec: Counterfactual User Sequence Synthesis for Sequential Recommendation	Sep 11, 2021	counterfactualRecommendation Systems	—Unverified
A NoSQL Data-based Personalized Recommendation System for C2C e-Commerce	Jun 26, 2018	Recommendation SystemsTopic Models	—Unverified
An Offline Reinforcement Learning Algorithm Customized for Multi-Task Fusion in Large-Scale Recommender Systems	Apr 19, 2024	Efficient ExplorationMulti-Task Learning	—Unverified
Annotating Preferences in Negotiation Dialogues	Jul 1, 2012	Decision MakingRecommendation Systems	—Unverified
A Dynamic Model of Performative Human-ML Collaboration: Theory and Empirical Evidence	May 22, 2024	Recommendation Systems	—Unverified
CAViaR: Context Aware Video Recommendations	Apr 17, 2023	DiversityRecommendation Systems	—Unverified
An MDP-based Recommender System	Dec 12, 2012	Recommendation Systems	—Unverified
An Iterative Reweighted Method for Tucker Decomposition of Incomplete Multiway Tensors	Nov 15, 2015	Image InpaintingRecommendation Systems	—Unverified
An Item Recommendation Approach by Fusing Images based on Neural Networks	Jul 4, 2019	Collaborative FilteringRecommendation Systems	—Unverified
Adversarial Robustness of Deep Reinforcement Learning based Dynamic Recommender Systems	Dec 2, 2021	Adversarial Robustnesscounterfactual	—Unverified
On the Role of Weight Decay in Collaborative Filtering: A Popularity Perspective	May 16, 2025	Collaborative FilteringRecommendation Systems	—Unverified
An Item-Based Collaborative Filtering using Dimensionality Reduction Techniques on Mahout Framework	Mar 23, 2015	Collaborative FilteringDimensionality Reduction	—Unverified
An IPW-based Unbiased Ranking Metric in Two-sided Markets	Jul 14, 2023	Learning-To-RankPosition	—Unverified
Adversarial Recommendation: Attack of the Learned Fake Users	Sep 21, 2018	Recommendation Systems	—Unverified
An Introduction to Matrix factorization and Factorization Machines in Recommendation System, and Beyond	Mar 12, 2022	Recommendation Systems	—Unverified
From Intent Discovery to Recognition with Topic Modeling and Synthetic Data	May 16, 2025	DiversityIntent Discovery	—Unverified
Causal Structure Learning with Recommendation System	Oct 19, 2022	Decision MakingRecommendation Systems	—Unverified
CausalVE: Face Video Privacy Encryption via Causal Video Prediction	Sep 28, 2024	Face SwappingRecommendation Systems	—Unverified
An Intelligent Group Event Recommendation System in Social networks	Jun 16, 2020	Recommendation Systems	—Unverified
An Intelligent Data Analysis for Hotel Recommendation Systems using Machine Learning	Oct 15, 2019	BIG-bench Machine LearningCollaborative Filtering	—Unverified
A Comprehensive Overview of Recommender System and Sentiment Analysis	Sep 18, 2021	Aspect-Based Sentiment AnalysisAspect-Based Sentiment Analysis (ABSA)	—Unverified
An integrated recurrent neural network and regression model with spatial and climatic couplings for vector-borne disease dynamics	Jan 23, 2022	Recommendation Systemsregression	—Unverified
An Integrated Recommender Algorithm for Rating Prediction	Aug 5, 2016	Collaborative FilteringPrediction	—Unverified
Adversarial Neural Trip Recommendation	Sep 24, 2021	DecoderRecommendation Systems	—Unverified
A Compositional Model of Multi-faceted Trust for Personalized Item Recommendation	Sep 4, 2019	Collaborative FilteringRecommendation Systems	—Unverified
An Integrated Framework for Contextual Personalized LLM-Based Food Recommendation	Apr 25, 2025	Food recommendationRecommendation Systems	—Unverified
An Information-Theoretic Approach to Personalized Explainable Machine Learning	Mar 1, 2020	BIG-bench Machine LearningDecision Making	—Unverified
An Improved Hybrid Recommender System: Integrating Document Context-Based and Behavior-Based Methods	Sep 12, 2021	Collaborative FilteringRecommendation Systems	—Unverified
Causal Learning for Trustworthy Recommender Systems: A Survey	Feb 13, 2024	Decision MakingFairness	—Unverified
CausCF: Causal Collaborative Filtering for RecommendationEffect Estimation	May 28, 2021	Collaborative FilteringRecommendation Systems	—Unverified
CC-GA: A clustering coefficient based genetic algorithm for detecting communities in social networks	Nov 16, 2017	Recommendation Systems	—Unverified
Adversarial Item Promotion on Visually-Aware Recommender Systems by Guided Diffusion	Dec 25, 2023	Recommendation Systems	—Unverified
A Completely Locale-independent Session-based Recommender System by Leveraging Trained Model	Oct 11, 2023	Product RecommendationRecommendation Systems	—Unverified
An Extremely Data-efficient and Generative LLM-based Reinforcement Learning Agent for Recommenders	Aug 28, 2024	Recommendation SystemsThompson Sampling	—Unverified
An Exponential Separation Between Quantum and Quantum-Inspired Classical Algorithms for Linear Systems	Nov 4, 2024	Quantum Machine LearningRecommendation Systems	—Unverified
Adversarial Gradient Driven Exploration for Deep Click-Through Rate Prediction	Dec 21, 2021	Click-Through Rate PredictionRecommendation Systems	—Unverified
Causal Intervention for Fairness in Multi-behavior Recommendation	Sep 10, 2022	FairnessRecommendation Systems	—Unverified
An Exploratory Study of Hierarchical Fuzzy Systems Approach in Recommendation System	May 27, 2020	Recommendation Systems	—Unverified
An Explainable Autoencoder For Collaborative Filtering Recommendation	Dec 23, 2019	Collaborative FilteringDeep Learning	—Unverified
A Comparison of Explicit and Implicit Proactive Dialogue Strategies for Conversational Recommendation	May 1, 2020	Conversational RecommendationInformation Retrieval	—Unverified
An experimental study on implicit social recommendation	Aug 1, 2013	Recommendation Systems	—Unverified
A new system-wide diversity measure for recommendations with efficient algorithms	Nov 30, 2018	DiversityRecommendation Systems	—Unverified
Who You Are Matters: Bridging Topics and Social Roles via LLM-Enhanced Logical Recommendation	May 16, 2025	General KnowledgeLarge Language Model	—Unverified
A News Recommender System Considering Temporal Dynamics and Diversity	Mar 23, 2021	DiversityNews Recommendation	—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