Research on Integrative Crawling Strategy of Subject Searching ROBOT

Based on analyzing and evaluating on strategies of subject searching ROBOT in common use,an auto integrative crawling strategy of subject searching ROBOT was designed by combing treble filtrating technique with modified heuristic searching arithmetic of Shark in this paper.For considering web relativity,subject precision and web quality at the same time,when using the integrative crawling strategy to download correlative web,it was possible to enlarge the resource degree of coverage through link analyzing as well as to ensure the searching results high correlate to the subject.