Chinese search engine technology revealed: Sorting Technology (3)

xiaoxiao2021-03-06  16

Source: e800.com.cn

Other Methods Hilltop Algorithm: HillTop is also a patent for search engine results, which is a patented in 2001, an engineer BHARAT in Google. Google's sort rules are often changing, but the maximum change is based on the HillTop algorithm. What is the principle of Hilltop, worth Google is so popular? In fact, the guiding ideology of the HillTop algorithm and PageRank are consistent, and the number and quality of the page are linked through the page to determine the sorting weight of the search results. But HillTop believes that only the related document links from the same topic will be larger for the searcher: that is, the link between the subject-related web page is higher than the contribution of weight calculations than the subject is not related to the subject. If the website is introduced to "clothing", 10 links are linked from the "Clothing" website link, that 10 links are greater than the contribution of the other 10 from "Electrical" related websites. Bharat said this document that has an impact on the subject is an "expert" document, from these expert documentation pages to the target document, determine the main part of the link page "weight score". The basic sorting process of the PageRank combined with the Hilltop algorithm to determine the level of matching of the search keyword replaced the value of the PageRank's value to find those authoritative pages. This is very important for the Hilltop algorithm for two web pages with the same topic and PR. Hilltop also avoids many ways to improve the web pageRank values ​​by adding many invalid links. Anchor Text Anchor text name sounds difficult to understand, actually anchor text is link text. For example, in a personal website, the central TV station (http://www.cctv.com/) is a link to the news channel. The visitor can enter http: //www.cctv by clicking on the "News Channel" on the website. COM / website, then "News Channel" is the anchor text of the CCTV website home page. Anchor text can be an evaluation of the content of the page where the anchor text is located. Normally, the added links in the page will have a certain relationship with the content of the page itself. The clothing industry website will add some links to the website or some links to the well-known business of the clothing; on the other hand, the anchor text can be evaluated to the point of view. Anchor text can accurately describe the content points to the page, add Google's link on your personal website, and the anchor text is "Search Engine". This will know through anchor text itself, Google is a search engine. The role of anchor text to search engines behaves that some files that can not be indexed with some search engines. For example, a photo of Zhang Manju is added to the website, the format is a JPG file, and the search engine is difficult to index (generally only processing text). If the anchor text of this photo is "Zhang Meman Yu's photo", the search engine can identify this picture is a photo of Zhang Manyu. When the visitor search "Zhang Manyu", this picture can be searched. It can be seen that the appropriate anchor text is selected in the web design, which will increase the importance of the web page and the point to the web page.

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