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Though the commercial success of search engines and large scale web page crawlers, the problems of page refresh, new URL discovering, large file downloading, distributed multimedia content feature extracting and indexing etc. are still open. The independent working behavior of each crawler makes it very hard to seek solutions for all these problems under the classical web crawler architecture. To...
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.