Google Repository

Google repository stores the full HTML of all web pages in a repository nothing but a safety place.
Every website is stored as packet that includes a doc ID identity the document,length of the URL,length of the page,URL&HTML of the page. These packets are stored in a compressed from to save space.
To find a webpage in the repository requires either a pointer to the file (or) going through the whole file.
Hit list:

A hit list corresponds to an occurrence of a word in a webpage. It does not include the word itself (or) the word ID corresponds to the word.

Author Info:

The primary objective of Sunlight IT is to deliver natural and affordable SEO services. Sunlight It provides natural SEO services which insensibly provide naturally driven traffic. SEO services comprise of thorough keyword research and analysis. It forms a major part in the entire search engine optimization process.