基于Bi-LSTM+CRF的科学文献中生态治理技术相关命名实体抽取研究*
马建霞,袁慧,蒋翔

Extracting Name Entities from Ecological Restoration Literature with Bi-LSTM+CRF
Ma Jianxia,Yuan Hui,Jiang Xiang
表9 不同要素组合的实验结果
Table 9 Experiment Results of Different Combinations of Elements
序号 输入特征 P(%) R(%) F1(%)
Time Place Tech Time Place Tech Time Place Tech
Baseline 62.66 21.69 32.22
61.85 61.88 66.10 30.31 35.40 8.89 40.68 45.04 15.68
w2v-1 70.23 56.19 62.43
79.79 75.12 63.84 66.01 52.18 54.96 72.25 61.58 59.07
w2v-2 70.99 56.41 62.86
79.14 72.05 67.26 62.32 53.19 56.21 69.73 61.20 61.24
w2v-2 +
MoreData
73.10 59.94 65.87
74.16 75.82 65.04 67.06 63.10 53.78 70.43 68.88 58.04
w2v-2 +MoreData+
dictionaries
74.34 64.04 68.81
78.63 82.02 66.02 72.20 65.71 58.75 75.27 72.97 62.17