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In this paper, we design a cognitive crawler to dramatically reduce the website crawling cost and extract useful content from web pages in an unsupervised procedure. The main idea of reducing the crawling cost is to retrieving those lately modified pages and newly added pages only. However, in reality, it is impossible for traditional crawler to judge whether a page has been modified or newly added...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.