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There are much unstructured data in all kinds of application systems. It is very important to manage these unstructured data and transform them into structured data. XML language is very suitable for data storage and data exchange. Data transformation utility was developed using Microsoft Visual Studio 2005. The textual data in Microsoft word table files can be transformed into text file, the data...
For integrating web databases, the very first challenge is to understand what a query interface says or what query capabilities a source supports. From the view of people, the interior structure of web pages is not concerned to for people. In the most cases, semantic block is identified via visual elements. Therefore, in this paper, a novel arithmetic of schema extraction based on visual features...
Link context is a beneficial complement to the anchor text when we predict the topic of the target Web page. In this paper, we have defined the link context of the anchor text as a word set in which each word has dependency relationship with it. We have proposed an effective method for the extraction of the link context. Firstly, we have decomposed the whole sentence into some sub-clauses through...
The Web has been rapidly deepened with myriad searchable databases online, where data are hidden behind query interfaces. However, users often have difficulties in finding the right sources and then querying over them in myriad useful databases online. For solving this problem, this paper presents a new method by importing focused crawling technology to automatically accomplish deep web sources discovery...
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