《Table 1.Formal background data structure based on the formal context.》
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《Identification and Prediction of Interdisciplinary Research Topics: A Study Based on the Concept Lattice Theory》
DIS m:disciplines，Termn:high frequency topic terms.
Step 3:Formal conceptual background acquisition.High-frequency words in the research field were obtained，the co-occurrence network is built based on the disciplines and high frequency topic terms，and we treated this co-occurrence network as a formal conceptual background.The co-occurrence network can be obtained using DDA.According to the disciplines-topic terms，binary co-occurrence networks，the data structure obtained is shown in Table 1.
| 图表编号 | XD0043843400 严禁用于非法目的 |
|---|---|
| 绘制时间 | |
| 作者 | Haiyun Xu、Chao Wang、Kun Dong、Zenghui Yue |
| 绘制单位 | Institute of Scientific and Technical Information of China、Chengdu Documentation and Information Center, Chinese Academy of Sciences、Information research institute of Shandong Academy of sciences、Qilu University of Technology、Science and Technology Inform |
| 更多格式 | 高清、无水印（增值服务） |
