Wrapper Generation via Grammar Indu
نویسندگان
چکیده
منابع مشابه
Wrapper generation by k-reversible grammar induction
Modern agent and mediator systems communicate to a multitude of Web information providers to better satisfy the user requests. They use wrappers to extract relevant information from HTML pages and annotate it with user-defined labels. A number of approaches exploit the regularity in page structures to induce instances of wrapper classes. The power of a class is crucial; a more powerful class pe...
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A Web wrapper is a software application that extracts information from a semi-structured source and converts it to a structured format. While semi-structured sources, such as Web pages, contain no explicitly specified schema, they do have an implicit grammar that can be used to identify relevant information in the document. A wrapper learning system analyzes page layout to generate either gramm...
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تاریخ انتشار 2000