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The traditional PageRank (PR) just takes into account the Web link structure, when distributing rank scores it treats all links equally, which results in topic drift. In this paper, latent semantic model (LSM) is used to calculate the similarity between Web pages, and the LSMPageRank (LPR) algorithm is introduced. In this algorithm, the value of parent page is distributed to the child on the basis...
Maintaining currency of search engine indices by exhaustive crawling is rapidly becoming impossible due to the increasing size of the web. Focused crawlers aim to search only the subset of the web related to a specific topic, and offer a potential solution to the problem. But it also has problems. The major problem is how to retrieve the maximal set of relevant and quality pages. To address this problem...
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.