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 251–300 of 6047 papers

Title	Date	Tasks	Status	Hype
StealthRank: LLM Ranking Manipulation via Stealthy Prompt Optimization	Apr 8, 2025	Adversarial TextInformation Retrieval	CodeCode Available	0
Large Language Models Enhanced Hyperbolic Space Recommender Systems	Apr 8, 2025	Contrastive LearningRecommendation Systems	—Unverified	0
Exploiting Meta-Learning-based Poisoning Attacks for Graph Link Prediction	Apr 8, 2025	Link PredictionMeta-Learning	CodeCode Available	0
Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generation	Apr 8, 2025	Collaborative FilteringContrastive Learning	CodeCode Available	1
Widening the Role of Group Recommender Systems with CAJO	Apr 8, 2025	Decision MakingRecommendation Systems	—Unverified	0
User Feedback Alignment for LLM-powered Exploration in Large-scale Recommendation Systems	Apr 7, 2025	DiversityRecommendation Systems	—Unverified	0
Investigating Popularity Bias Amplification in Recommender Systems Employed in the Entertainment Domain	Apr 7, 2025	FairnessRecommendation Systems	—Unverified	0
Can LLM-Driven Hard Negative Sampling Empower Collaborative Filtering? Findings and Potentials	Apr 7, 2025	Collaborative FilteringProfile Generation	CodeCode Available	1
LLM-Alignment Live-Streaming Recommendation	Apr 7, 2025	Recommendation Systems	—Unverified	0
GOTHAM: Graph Class Incremental Learning Framework under Weak Supervision	Apr 7, 2025	Attributeclass-incremental learning	CodeCode Available	0
Squeeze and Excitation: A Weighted Graph Contrastive Learning for Collaborative Filtering	Apr 6, 2025	Collaborative FilteringContrastive Learning	CodeCode Available	0
Decoding Recommendation Behaviors of In-Context Learning LLMs Through Gradient Descent	Apr 6, 2025	In-Context LearningRecommendation Systems	—Unverified	0
Efficient Evaluation of Large Language Models via Collaborative Filtering	Apr 5, 2025	Collaborative FilteringRecommendation Systems	—Unverified	0
Towards Principled Learning for Re-ranking in Recommender Systems	Apr 5, 2025	Recommendation SystemsRe-Ranking	CodeCode Available	0
Investigating and Mitigating Stereotype-aware Unfairness in LLM-based Recommendations	Apr 5, 2025	FairnessRecommendation Systems	—Unverified	0
Short Video Segment-level User Dynamic Interests Modeling in Personalized Recommendation	Apr 5, 2025	Recommendation Systems	CodeCode Available	1
MSL: Not All Tokens Are What You Need for Tuning LLM as a Recommender	Apr 5, 2025	AllLanguage Modeling	CodeCode Available	1
Automating Personalization: Prompt Optimization for Recommendation Reranking	Apr 4, 2025	PositionProfile Generation	—Unverified	0
Counterfactual Inference under Thompson Sampling	Apr 3, 2025	Causal Inferencecounterfactual	—Unverified	0
Retrieval-Augmented Purifier for Robust LLM-Empowered Recommendation	Apr 3, 2025	Large Language ModelRAG	—Unverified	0
Graphs are everywhere -- Psst! In Music Recommendation too	Apr 3, 2025	Collaborative FilteringMusic Recommendation	—Unverified	0
Research Paper Recommender System by Considering Users' Information Seeking Behaviors	Apr 3, 2025	Recommendation Systems	—Unverified	0
Shallow AutoEncoding Recommender with Cold Start Handling via Side Features	Apr 3, 2025	Collaborative FilteringRecommendation Systems	—Unverified	0
LLM-Augmented Graph Neural Recommenders: Integrating User Reviews	Apr 3, 2025	Graph Neural NetworkRecommendation Systems	—Unverified	0
Enhancing Embedding Representation Stability in Recommendation Systems with Semantic ID	Apr 2, 2025	Recommendation Systems	—Unverified	0
Extending MovieLens-32M to Provide New Evaluation Objectives	Apr 2, 2025	Information RetrievalRecommendation Systems	—Unverified	0
Hyperbolic Diffusion Recommender Model	Apr 2, 2025	modelRecommendation Systems	—Unverified	0
Test-Time Alignment for Tracking User Interest Shifts in Sequential Recommendation	Apr 2, 2025	Recommendation SystemsSequential Recommendation	—Unverified	0
A Proposed Hybrid Recommender System for Tourism Industry in Iraq Using Evolutionary Apriori and K-means Algorithms	Apr 1, 2025	Recommendation Systems	—Unverified	0
DrunkAgent: Stealthy Memory Corruption in LLM-Powered Recommender Agents	Mar 31, 2025	Collaborative FilteringLarge Language Model	—Unverified	0
Rec-R1: Bridging Generative Large Language Models and User-Centric Recommendation Systems via Reinforcement Learning	Mar 31, 2025	General Reinforcement LearningInstruction Following	CodeCode Available	2
Crossing Boundaries: Leveraging Semantic Divergences to Explore Cultural Novelty in Cooking Recipes	Mar 31, 2025	DiversityRecommendation Systems	CodeCode Available	0
Finding Interest Needle in Popularity Haystack: Improving Retrieval by Modeling Item Exposure	Mar 31, 2025	FairnessRecommendation Systems	—Unverified	0
Dynamic hashtag recommendation in social media with trend shift detection and adaptation	Mar 30, 2025	Recommendation Systems	CodeCode Available	0
Graph-Structured Driven Dual Adaptation for Mitigating Popularity Bias	Mar 30, 2025	Recommendation Systems	—Unverified	0
Filtering with Time-frequency Analysis: An Adaptive and Lightweight Model for Sequential Recommender Systems Based on Discrete Wavelet Transform	Mar 30, 2025	Recommendation SystemsSequential Recommendation	—Unverified	0
RuleAgent: Discovering Rules for Recommendation Denoising with Autonomous Language Agents	Mar 30, 2025	DenoisingRecommendation Systems	—Unverified	0
Beyond Unimodal Boundaries: Generative Recommendation with Multimodal Semantics	Mar 30, 2025	Recommendation Systems	—Unverified	0
LaViC: Adapting Large Vision-Language Models to Visually-Aware Conversational Recommendation	Mar 30, 2025	Conversational RecommendationRecommendation Systems	CodeCode Available	1
Federated Semantic Learning for Privacy-preserving Cross-domain Recommendation	Mar 29, 2025	Privacy PreservingRecommendation Systems	CodeCode Available	0
Reproducibility Companion Paper:In-processing User Constrained Dominant Sets for User-Oriented Fairness in Recommender Systems	Mar 29, 2025	FairnessRecommendation Systems	CodeCode Available	0
Reproducibility Companion Paper: Making Users Indistinguishable: Attribute-wise Unlearning in Recommender Systems	Mar 29, 2025	AttributeRecommendation Systems	CodeCode Available	0
Towards Personalized Conversational Sales Agents : Contextual User Profiling for Strategic Action	Mar 28, 2025	Decision MakingRecommendation Systems	—Unverified	0
Think Before Recommend: Unleashing the Latent Reasoning Power for Sequential Recommendation	Mar 28, 2025	Recommendation SystemsSequential Recommendation	—Unverified	0
Research on the Design of a Short Video Recommendation System Based on Multimodal Information and Differential Privacy	Mar 27, 2025	Recommendation Systems	—Unverified	0
From Individual to Group: Developing a Context-Aware Multi-Criteria Group Recommender System	Mar 27, 2025	Decision MakingRecommendation Systems	—Unverified	0
Improvement Graph Convolution Collaborative Filtering with Weighted addition input	Mar 27, 2025	Collaborative FilteringRecommendation Systems	CodeCode Available	0
Empowering Retrieval-based Conversational Recommendation with Contrasting User Preferences	Mar 27, 2025	Conversational RecommendationRecommendation Systems	CodeCode Available	1
Are We Solving a Well-Defined Problem? A Task-Centric Perspective on Recommendation Tasks	Mar 27, 2025	NavigateRecommendation Systems	—Unverified	0
CombiGCN: An effective GCN model for Recommender System	Mar 27, 2025	Collaborative FilteringRecommendation Systems	—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