Explains that how a page rank is calculated for a particular page on web.

1. PAGE RANKING TOOL PROJECT GUIDE: SUBMITTED BY : Mr. SANJEEV PATEL SUHEL GUPTA (061294) SUNIL RAWAL (061295) YOGESH CHANDER(061312) VARUN KUMAR (061321)

7. WEB PAGES CONNECTION A D C B

18. Pseudo code for a web crawler: While not empty ( the list of URLs to search ) { Take the first URL in from the list of URLs Mark this URL as already searched URL If the URL protocol is not HTTP then break; go back to while If robots.txt file exist on site then If file includes .Disallow. statement then break; go back to while Open the URL If the opened URL is not HTML file then Break; Go back to while Iterate the HTML file

19. While the html text contains another link { If robots.txt file exist on URL/site then If file includes .Disallow. statement then break; go back to while If the opened URL is HTML file then If the URL isn't marked as searched then Mark this URL as already searched URL. Else if type of file is user requested Add to list of files found. } }

22. WEB PAGES CONNECTION A D C B

31. DO Rprevious = R; R = M * R + 0 .2; WHILE |Rprevious| – |R| > 0; Multiply each page' s rank by the number of requests; For the example, the solution of the equation is n = 7/11; m = 21/11; a = 5/11 - i.e. M is the most important page

36. Time Line

37. DFD LEVEL 0 : Page Rank Calculator USER (INPUT) RESULT (OUTPUT)

38. LEVEL 1 : WEB CRAWLER INTERFACE USER OUTPUT INPUT INFORMATION PROCESSOR USER

39. LEVEL 2 : DATABASE USER DATABASE INTERFACE WEB CRAWLER PROCESSOR INTERFACE USER

40. SCREEN SHOTS

48. A B Loop which act as a rank sink

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