Abstract:The advent of e-commerce has created a trend that brought thousands of catalogs online. Most of these websites are "taxonomy-directed". A Web site is said to be ``taxonomydirected'' if it contains at least one taxonomy for organizing its contents and it presents the instances belonging to a category in a regular fashion. This paper describes the DataRover system, which can automatically crawl and extract products from taxonomy-directed online catalogs. DataRover utilizes heuristic rules to discover the structu… Show more
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