Lei Xia
6 papers · 2007–2026 · 5 venues · across top CS/AI venues
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Achievements
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π£ Hot Topic Early Bird π Academic Marathon Β· Full π Interdisciplinary Bridge Β· Silver πΊοΈ Taxonomy Completionist (16) π Conference Polyglot Β· Silver
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Conference Pioneer
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Renaissance Researcher
(5)
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Trend Setter
Top co-authors
Research topics
Natural Language Processing
(4)
Artificial Intelligence
(3)
Applications
(3)
Core AI
(3)
Machine Learning
(2)
Optimization & Theory
(2)
Resources & Methods
(2)
Computer Vision
(1)
Deep Learning
(1)
Interdisciplinary
(1)
Reinforcement Learning
(1)
Application Areas
(1)
Education
(1)
Generation Β· Natural Language Processing
(1)
Generation Β· Computer Vision
(1)
Keywords
large language model
(3)
preference learning
(1)
question answering
(1)
text generation
(1)
explanation generation
(1)
reading comprehension
(1)
text-to-image generation
(1)
question generation
(1)
reinforcement learning from human feedback
(1)
training optimization
(1)
training throughput
(1)
multi-hop question answering
(1)
stage fusion
(1)
gpu utilization
(1)
personalized learning
(1)
reasoning chain
(1)
document-level modeling
(1)
reading comprehension exercise generation
(1)
event reasoning
(1)
causal relation extraction
(1)
Papers
AesX: Enhance Your Images with Stunning Aesthetic Beauty
ACL 2026
Optimizing RLHF Training for Large Language Models with Stage Fusion
NSDI 2025
Document-level Causal Relation Extraction with Knowledge-guided Binary Question Answering
EMNLP 2024
MEQA: A Benchmark for Multi-hop Event-centric Question Answering with Explanations
NeurIPS 2024
Evaluating Reading Comprehension Exercises Generated by LLMs: A Showcase of ChatGPT in Education Applications
ACL 2023
WIT: Web People Search Disambiguation using Random Walks
SemEval 2007