基于农产品价格信息的多源网络信息语义异构类型探析

Exploration Investigation of Semantic Heterogeneity Types in Multi-Source Network Information Based on Agricultural Product Price Information

在调研中国主要的11类网络农产品价格信息源的基础上,构建了描述农产品价格信息属性的九元组,并采用聚类分析法划分了3类语义异构类型:模式语义异构、上下文数据语义异构、个体异常数据语义异构。最后,分析了消除多源网络农产品价格信息语义异构的现有方法和不足,并明确了进一步研究的方向。

Based on the investigation on eleven main information sources for agricultural product price, the authors put forward a nine tuple model to describe the attribute of agricultural product price information, with the method of cluster analysis, there are three types of semantic heterogeneous： the semantic heterogeneity for schematic, the semantic heterogeneity for context data and the semantic heterogeneity for abnormal individual data. At last, we analyzed existing methods and shortage for eliminating the semantic heterogeneity of agricultural product price information in multi-source network information, and then pointed out the direction of further research.