Lei Sang
3 papers
· 2025–2026
· 2 conferences
· across top CS/AI conferences
Achievements
🌍
Conference Polyglot
(2)
🌉
Interdisciplinary Bridge
🐝
Cross-Pollinator
(15)
Conferences
AAAI (2)
EMNLP (1)
Top co-authors
Keywords
representation learning
(2)
contrastive learning
(1)
matrix factorization
(1)
collaborative filtering
(1)
in-context learning
(1)
hierarchical representation
(1)
user-item embedding
(1)
prompt injection
(1)
user-item interaction
(1)
causal relationship
(1)
event causality identification
(1)
semantic abstraction
(1)
data sparsity
(1)
graph neural network
(1)
positive sampling
(1)