ArticleComputational intelligence and neuroscience2021
Text Semantic Classification of Long Discourses Based on Neural Networks with Improved Focal Loss.
Article in Computational intelligence and neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Automatic renal mass segmentation and classification on CT images based on 3D U-Net and ResNet algorithms.Frontiers in oncology · 2023Article
- An Improved BERT and Syntactic Dependency Representation Model for Sentiment Analysis.Computational intelligence and neuroscience · 2022Article
- A Comprehensive Survey of Abstractive Text Summarization Based on Deep Learning.Computational intelligence and neuroscience · 2022Review
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2 authors.
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Abstract
Semantic classification of Chinese long discourses is an important and challenging task. Discourse text is high-dimensional and sparse. Furthermore, when the number of classes of dataset is large, the data distribution will be seriously imbalanced. In solving these problems, we propose a novel end-to-end model called CRAFL, which is based on the convolutional layer with attention mechanism, recurrent neural networks, and improved focal loss function. First, the residual network (ResNet) extracts phrase semantic representations from word embedding vectors and reduces the dimensionality of the input matrix. Then, the attention mechanism differentiates the focus on the output of ResNet, and the long short-term memory layer learns the features of the sequences. Lastly but most significantly, we apply an improved focal loss function to mitigate the problem of data class imbalance. Our model is compared with other state-of-the-art models on the long discourse dataset, and CRAFL model has proven be more efficient for this task.
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