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A novel ensemble model with two-stage learning for joint dialog act recognition and sentiment classification.
Yujun Xu
Enguang Yao
Chaoyue Liu
Qidong Liu
Mingliang Xu
Published in:
Pattern Recognit. Lett. (2023)
Keyphrases
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learning algorithm
sentiment classification
prior knowledge
email
active learning
probabilistic model
supervised learning
test collection
learning tasks
learning process
information retrieval systems
unsupervised learning
query expansion