Leheng Sheng
4 papers
· 2023–2025
· 2 conferences
· across top CS/AI conferences
Achievements
🌍
Conference Polyglot
(2)
🌉
Interdisciplinary Bridge
🧭
Keyword Pioneer
🐣
Hot Topic Early Bird
🐝
Cross-Pollinator
(15)
Conferences
NIPS (3)
ICLR (1)
Top co-authors
Keywords
contrastive learning
(1)
multi-task learning
(1)
collaborative filtering
(1)
direct preference optimization
(1)
language model
(1)
parameter-efficient fine-tuning
(1)
low-rank adaptation
(1)
sequential recommendation
(1)
mixture of expert
(1)
user behavior sequence
(1)
recommender system
(1)
top-k recommendation
(1)
user preference
(1)
negative sampling
(1)
hard negative mining
(1)
adversarial infonce
(1)