Tianjun Wei
5 papers · 2025–2026 · 3 venues · across top CS/AI venues
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Achievements
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Conference Polyglot · Bronze
🌉
Interdisciplinary Bridge · Bronze
🗺️
Taxonomy Completionist
(11)
⭐
Rising Star
(5)
Top co-authors
Research topics
Machine Learning
(4)
Artificial Intelligence
(2)
Natural Language Processing
(2)
Core AI
(2)
Data Science & Analytics
(1)
Deep Learning
(1)
Application Areas
(1)
Applications · Natural Language Processing
(1)
Applications · Data Science & Analytics
(1)
Architectures
(1)
Core Methods
(1)
Learning Paradigms
(1)
Learning Types
(1)
Optimization & Theory
(1)
Resources & Methods
(1)
Keywords
recommender system
(2)
large language model
(2)
collaborative filtering
(1)
preference learning
(1)
preference alignment
(1)
efficient computing
(1)
graph embedding
(1)
language model
(1)
sequential recommendation
(1)
automated evaluation
(1)
data distillation
(1)
user simulator
(1)
graph neural network
(1)
recommendation diversity
(1)
user simulation
(1)
item popularity
(1)
causal deconfounding
(1)
counterfactual exposure
(1)
co-purchase relationship
(1)
profile optimization
(1)
Papers
Diagnostic-Guided Dynamic Profile Optimization for LLM-based User Simulators in Sequential Recommendation
AAAI 2026
Diversity Recommendation via Causal Deconfounding of Co-purchase Relations and Counterfactual Exposure
AAAI 2026
Mirroring Users: Towards Building Preference-aligned User Simulator with User Feedback in Recommendation
ACL 2026
SGMT: Social Generating with Multiview-Guided Tuning In Recommender Systems
AAAI 2026
RocketEval: Efficient automated LLM evaluation via grading checklist
ICLR 2025