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Hierarchical Topic-Aware Contextualized Transformers.
Ruiying Lu
Bo Chen
Dandan Guo
Dongsheng Wang
Mingyuan Zhou
Published in:
IEEE ACM Trans. Audio Speech Lang. Process. (2024)
Keyphrases
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topic hierarchy
coarse to fine
hierarchical model
hierarchical classification
neural network
search engine
web services
similarity measure
multiscale
data structure
evolutionary algorithm
unsupervised learning
document collections
topic models
self organizing maps
topic drift