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Articles by Peiguang Lin
Total Records ( 2 ) for Peiguang Lin
  Yan Zhang , Qingzhong Li , Rui Zhang and Peiguang Lin
  With the fast increasing number of Web databases (WDBs), it is core issue in the study of Web data integration that we should select the most appropriate composition of databases to query and obtain more targeted data at a smaller cost. In this study, in order to reduce redundant data from different sources, we propose a novel method of Web databases redundancy computing to select proper Web data sources for given keywords. To solve the problem, we propose a web database feature representation model, and based on sample data from the sources, we put forward the deep web redundancy computing method considering three different data types: text attribute, numeric attribute and categorical attribute. Experiments show that this method can achieve the desired objectives and can meet the demand to the integrated system very well.
  Peiguang Lin , Lei Liu , Peiyao Nie and Xiaoguang Zhu
  Based on the analysis of characteristics of the network public opinion in different periods, this study presents three key elements to build the network public opinion early warning index system. We analyzed secondary events which had not been considered in other index systems and modified the definition of some index. Then, we added a part of new indicators and validated it in combination with the qualitative analysis, quantitative analysis and concrete examples. Finally, we built a scientific, rational and comprehensive warning index system of public opinion. The index system can provide theoretical support for monitoring public opinion by the government and relevant departments.
 
 
 
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