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Research on Topic Fusion Graph Convolution Network News Text Classification Algorithm

 oraz    | 24 maj 2023

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Figure 1.

Framework of Graph Convolution Text Categorization Algorithm Based on LDA-THG
Framework of Graph Convolution Text Categorization Algorithm Based on LDA-THG

Figure 2.

The structure of LDA-THG
The structure of LDA-THG

Figure 3.

The process diagram of topic and word distribution obtained by LDA model
The process diagram of topic and word distribution obtained by LDA model

Figure 4.

Influence of topic number on classification results of LDA-THG+GCN model on three data sets
Influence of topic number on classification results of LDA-THG+GCN model on three data sets

Figure 5.

Influence of W on classification results of LDA-THG+GCN model on Ch_News data set
Influence of W on classification results of LDA-THG+GCN model on Ch_News data set

Statistical table of data sets used in experiments

Dataset Total_docs Training_docs Testing_docs Total_words Categories
20NewsGroup 18,846 13,192 5,654 42,739 20
AGNews 8,000 5,600 2,400 32,653 4
CH_News 1,080 756 324 13,324 5

Comparison of experimental results

DataSets 20newsgroup AGNews Ch_News
Model
SVM+LDA 0.6827 0.7241 0.6956
CNN 0.7160 0.8059 0.6893
Text-GCN 0.8634 0.9245 0.7402
LDA-THG+GCN 0.8796 0.9310 0.7594
eISSN:
2470-8038
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Computer Sciences, other