Introduction to Information Retrieval-Search Engines
This article aims to provide readers with an overview of the very basics of information retrieval. Understanding these principles can help you to optimise your website content for the search engines and also help you to analyse search engine algorithm changes. However, the details in this article are not intended to describe how modern search engines work, as they use many additional factors, including link analysis.
Information retrieval (IR) is the science of searching for documents / within documents. Information retrieval techniques form some of the most fundamental elements of web search engine technology. This article will discuss information retrieval in the context of search engines.