Where can I find materials about indexing and page ranking?

I'm working on a large search engine 开发者_如何转开发system.

However, I'm not familiar with the background.

Where can I find materials about indexing and page ranking?

You can always look at the google research stuff. It is naturally very intense stuff but interesting none the less.

Modern information Retrieval

A very known and a good book that will introduce you to these concepts.