HeGang Chen
4 papers · 2023–2024 · 3 venues · across top CS/AI venues
Authors are matched by name, so researchers who share a name ("Yang Liu", "Wei Wang") appear as a single profile and their paper counts, venues and achievements are combined. How identity is handled.
Achievements
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🌍
Conference Polyglot · Bronze
🌉
Interdisciplinary Bridge · Bronze
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Taxonomy Completionist
(12)
🏆
Keyword Champion
(3)
Venues
Top co-authors
Research topics
Keywords
hierarchical topic modeling
(3)
topic hierarchy
(2)
contrastive learning
(2)
topic modeling
(1)
semantic representation
(1)
hierarchical model
(1)
topic coherence
(1)
gaussian mixture model
(1)
structural equation model
(1)
variational autoencoder
(1)
hyperbolic embedding
(1)
word embedding
(1)
causal path
(1)
anchor word
(1)
out-of-vocabulary word
(1)
hierarchical topic model
(1)
relation mining
(1)
graph neural network
(1)
word co-occurrence graph
(1)
anchor word clustering
(1)
Papers
Hierarchical Topic Modeling via Contrastive Learning and Hyperbolic Embedding
COLING 2024
Unsupervised Hierarchical Topic Modeling via Anchor Word Clustering and Path Guidance
EMNLP 2024
Graph-based Relation Mining for Context-free Out-of-vocabulary Word Embedding Learning
ACL 2023
Nonlinear Structural Equation Model Guided Gaussian Mixture Hierarchical Topic Modeling
ACL 2023