Chinese Microblog Sentiment Detection Based on CNN-BiGRU and Multihead Attention Mechanism

Figure 9

Experiments with different convolution kernels, the accuracy of training set, and validation set variations with the number of iterations. (a) Convolution kernel: [1, 3], (b) convolution kernel: [1, 3], (c) convolution kernel: [1, 3, 5], (d) convolution kernel: [1, 3, 5, 7], (e) convolution kernel: [1, 3, 5, 7, 9, 11], and (f) convolution kernel: [1, 3, 5, 7, 9, 11, 13].

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