E-commerce Web sites provide the economic information by query interfaces. Query interfaces are considered as Deep Web services that indirectly reflect the real schema of the hidden databases. The valid accessing method of Deep Web is through query interfaces. However, the query interfaces are designed and coded in different development models and using different programming languages and the semantic relation is very complicated. To improve the accuracy of extracting attributes, an approach is presented to extract the attributes heuristically. During the extraction, attributes are enriched utilizing Ontology by which we get deep semantic understanding of query interfaces. Experiments over real-word domains show the utility and ability of the algorithm for grasping the information of query interfaces.
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机译：电子商务网站通过查询界面提供经济信息。查询接口被视为可间接反映隐藏数据库实际架构的Deep Web服务。 Deep Web的有效访问方法是通过查询接口。但是，查询接口是在不同的开发模型中使用不同的编程语言进行设计和编码的，语义关系非常复杂。为了提高提取属性的准确性，提出了一种启发式提取属性的方法。在提取过程中，利用本体丰富了属性，通过它们我们对查询接口有了深入的语义理解。在实词域上的实验表明，该算法可用于掌握查询接口的信息。
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