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 551–600 of 6047 papers

Title	Date	Tasks	Status	Hype
Exploring Graph Mamba: A Comprehensive Survey on State-Space Models for Graph Learning	Dec 24, 2024	Graph EmbeddingGraph Learning	—Unverified	0
The Value of AI-Generated Metadata for UGC Platforms: Evidence from a Large-scale Field Experiment	Dec 24, 2024	Recommendation Systems	—Unverified	0
Contrastive Representation for Interactive Recommendation	Dec 24, 2024	Contrastive LearningDeep Reinforcement Learning	CodeCode Available	0
Prompt Tuning for Item Cold-start Recommendation	Dec 24, 2024	Prompt LearningRecommendation Systems	CodeCode Available	0
Unlocking the Hidden Treasures: Enhancing Recommendations with Unlabeled Data	Dec 24, 2024	Collaborative FilteringRecommendation Systems	CodeCode Available	0
GraphHash: Graph Clustering Enables Parameter Efficiency in Recommender Systems	Dec 23, 2024	Click-Through Rate PredictionClustering	CodeCode Available	1
Popularity Estimation and New Bundle Generation using Content and Context based Embeddings	Dec 23, 2024	Recommendation Systems	—Unverified	0
Enhancing Item Tokenization for Generative Recommendation through Self-Improvement	Dec 22, 2024	Recommendation Systems	—Unverified	0
Towards a Unified Paradigm: Integrating Recommendation Systems as a New Language in Large Models	Dec 22, 2024	Language ModelingLanguage Modelling	—Unverified	0
LLM-Powered User Simulator for Recommender System	Dec 22, 2024	Recommendation Systemsreinforcement-learning	CodeCode Available	1
From General to Specific: Tailoring Large Language Models for Personalized Healthcare	Dec 20, 2024	Language ModelingLanguage Modelling	—Unverified	0
Spectrum-based Modality Representation Fusion Graph Convolutional Network for Multimodal Recommendation	Dec 19, 2024	Graph LearningMultimodal Recommendation	CodeCode Available	1
DisCo: Graph-Based Disentangled Contrastive Learning for Cold-Start Cross-Domain Recommendation	Dec 19, 2024	Contrastive LearningRecommendation Systems	—Unverified	0
Are Longer Prompts Always Better? Prompt Selection in Large Language Models for Recommendation Systems	Dec 19, 2024	General KnowledgeRecommendation Systems	—Unverified	0
Embedding Cultural Diversity in Prototype-based Recommender Systems	Dec 18, 2024	AttributeDiversity	—Unverified	0
Large Language Model Enhanced Recommender Systems: A Survey	Dec 18, 2024	Language ModelingLanguage Modelling	CodeCode Available	2
Modality-Independent Graph Neural Networks with Global Transformers for Multimodal Recommendation	Dec 18, 2024	Graph LearningMulti-modal Recommendation	CodeCode Available	2
Bridging the User-side Knowledge Gap in Knowledge-aware Recommendations with Large Language Models	Dec 18, 2024	Contrastive LearningKnowledge Graphs	CodeCode Available	1
CRM: Retrieval Model with Controllable Condition	Dec 18, 2024	modelRecommendation Systems	—Unverified	0
Semantic Convergence: Harmonizing Recommender Systems via Two-Stage Alignment and Behavioral Semantic Tokenization	Dec 18, 2024	Recommendation Systems	—Unverified	0
MixRec: Heterogeneous Graph Collaborative Filtering	Dec 18, 2024	Collaborative FilteringContrastive Learning	CodeCode Available	1
Entire-Space Variational Information Exploitation for Post-Click Conversion Rate Prediction	Dec 17, 2024	Knowledge DistillationRecommendation Systems	—Unverified	0
LLM is Knowledge Graph Reasoner: LLM's Intuition-aware Knowledge Graph Reasoning for Cold-start Sequential Recommendation	Dec 17, 2024	Knowledge GraphsPrompt Engineering	—Unverified	0
Graph Learning in the Era of LLMs: A Survey from the Perspective of Data, Models, and Tasks	Dec 17, 2024	Domain GeneralizationGraph Learning	CodeCode Available	0
A Survey on Recommendation Unlearning: Fundamentals, Taxonomy, Evaluation, and Open Questions	Dec 17, 2024	Machine UnlearningRecommendation Systems	—Unverified	0
Accelerating Sparse Graph Neural Networks with Tensor Core Optimization	Dec 16, 2024	Computational EfficiencyGPU	—Unverified	0
Beyond Graph Convolution: Multimodal Recommendation with Topology-aware MLPs	Dec 16, 2024	Multimodal RecommendationRecommendation Systems	CodeCode Available	1
Classification of Spontaneous and Scripted Speech for Multilingual Audio	Dec 16, 2024	Recommendation Systems	—Unverified	0
Enhancing Healthcare Recommendation Systems with a Multimodal LLMs-based MOE Architecture	Dec 16, 2024	Mixture-of-ExpertsRecommendation Systems	—Unverified	0
One for Dozens: Adaptive REcommendation for All Domains with Counterfactual Augmentation	Dec 16, 2024	Allcounterfactual	CodeCode Available	0
A multi-theoretical kernel-based approach to social network-based recommendation	Dec 15, 2024	Collaborative FilteringRecommendation Systems	—Unverified	0
Modeling the Heterogeneous Duration of User Interest in Time-Dependent Recommendation: A Hidden Semi-Markov Approach	Dec 15, 2024	Recommendation Systems	—Unverified	0
RecSys Arena: Pair-wise Recommender System Evaluation with Large Language Models	Dec 15, 2024	ChatbotRecommendation Systems	CodeCode Available	0
A Contextualized BERT model for Knowledge Graph Completion	Dec 15, 2024	Knowledge Graph CompletionKnowledge Graphs	—Unverified	0
USM: Unbiased Survey Modeling for Limiting Negative User Experiences in Recommendation Systems	Dec 14, 2024	Recommendation Systems	—Unverified	0
Why Not Together? A Multiple-Round Recommender System for Queries and Items	Dec 14, 2024	Recommendation Systems	—Unverified	0
CRS Arena: Crowdsourced Benchmarking of Conversational Recommender Systems	Dec 13, 2024	BenchmarkingRecommendation Systems	—Unverified	0
Recommendation and Temptation	Dec 13, 2024	Recommendation Systems	—Unverified	0
Hesitation and Tolerance in Recommender Systems	Dec 13, 2024	Recommendation Systems	—Unverified	0
Matrix Completion via Residual Spectral Matching	Dec 13, 2024	Image RestorationMatrix Completion	—Unverified	0
Can LLMs Convert Graphs to Text-Attributed Graphs?	Dec 13, 2024	Drug DiscoveryRecommendation Systems	CodeCode Available	1
Whom do Explanations Serve? A Systematic Literature Survey of User Characteristics in Explainable Recommender Systems Evaluation	Dec 12, 2024	Recommendation Systems	—Unverified	0
MOPI-HFRS: A Multi-objective Personalized Health-aware Food Recommendation System with LLM-enhanced Interpretation	Dec 12, 2024	DescriptiveFood recommendation	CodeCode Available	0
SPRec: Leveraging Self-Play to Debias Preference Alignment for Large Language Model-based Recommendations	Dec 12, 2024	FairnessLanguage Modeling	CodeCode Available	1
Goal-Conditioned Supervised Learning for Multi-Objective Recommendation	Dec 12, 2024	Recommendation Systems	—Unverified	0
PyOD 2: A Python Library for Outlier Detection with LLM-powered Model Selection	Dec 11, 2024	Anomaly DetectionFraud Detection	—Unverified	0
Reducing Popularity Influence by Addressing Position Bias	Dec 11, 2024	PositionRecommendation Systems	—Unverified	0
A Tutorial of Personalized Federated Recommender Systems: Recent Advances and Future Directions	Dec 11, 2024	Federated LearningRecommendation Systems	—Unverified	0
AltFS: Agency-light Feature Selection with Large Language Models in Deep Recommender Systems	Dec 11, 2024	Feature Importancefeature selection	—Unverified	0
Preference Discerning with LLM-Enhanced Generative Retrieval	Dec 11, 2024	Recommendation SystemsRetrieval	—Unverified	0

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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