چکیده:
For years, search engines have been considered as one of the most frequently
used information seeking tools through the web. Efficiency, ease of use and
search quality are the main factors for giving precedence over search
engines. Search quality is assessed based on the concept of page rank which
is applied to scoring web documents. The structures designed for linkage
among the pages of a site as well as the linkage structure among the sites
inside a web are known as the most effective factor on page rank. This paper
is to describe the concept of ranking web pages and investigate the structure
of inter-linkage of pages.
خلاصه ماشینی:
This anicle, first, offers an introductory on how to measure the page rank and then, shows how the factors such as the inbound and/or outbound links of a page as well as the number of whole links could affect the websites to be positioned at the top or the low ranks based on the results retrieved by search engines.
Under such condition, the rank of pages A and B will be computed through the following stages: Step 1: To calculate the page rank of A based on the number of inbound links.
Step 2: To calculate the rank of page B based on the number of inbound links.
Table 3 Effective Factors on Page Rank based on the Structure and Content of Web Pages {مراجعه شود به فایل جدول الحاقی} Internal links The highest amount of page rank within a site equals to the number of available pages on the site multiplied by 1.
In other words, the more the number of pages and the more accurate the linkage amongst pages are, the more the final rank of site will promote (Hirai, Raghavan, Garcia-Molina, & Paepcke, 1999).
It means that search engines such as Google do not consider dangling links in calculation of page rank (TwoSpots, 2008).
Based on the structure of the algorithm calculating page rank in Google, if a large number of sites make inbound links to a specific page, this page gains a high rank and it will become one of the most relevant retrieved sites.