Wenchang Ma
4 papers · 2021–2023 · 3 venues · across top CS/AI venues
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Achievements
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Conference Polyglot · Bronze
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Interdisciplinary Bridge · Bronze
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Hot Topic Early Bird
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Venues
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Research topics
Machine Learning
(3)
Data Science & Analytics
(2)
Natural Language Processing
(2)
Applications
(2)
Generation
(2)
Learning Types · Machine Learning
(2)
Artificial Intelligence
(1)
Deep Learning
(1)
Mathematics & Optimization
(1)
Core AI
(1)
Core Methods
(1)
Learning Types · Deep Learning
(1)
Optimization
(1)
Keywords
representation learning
(1)
contrastive learning
(1)
metric learning
(1)
structure learning
(1)
causal discovery
(1)
collaborative filtering
(1)
bilevel optimization
(1)
knowledge graph
(1)
heterogeneous data
(1)
concept extraction
(1)
pre-trained language model
(1)
graph reasoning
(1)
recommender system
(1)
directed acyclic graph
(1)
contrastive loss
(1)
conversational recommendation
(1)
sample reweighting
(1)
text-to-text generation
(1)
lexical constraint
(1)
debiasing strategy
(1)
Papers
Boosting Causal Discovery via Adaptive Sample Reweighting
ICLR 2023
Incorporating Bias-aware Margins into Contrastive Loss for Collaborative Filtering
NeurIPS 2022
CR-Walker: Tree-Structured Graph Reasoning and Dialog Acts for Conversational Recommendation
EMNLP 2021
Extract, Denoise and Enforce: Evaluating and Improving Concept Preservation for Text-to-Text Generation
EMNLP 2021