Introduction to Machine Learning

Most readers will be familiar with the concept of web page ranking. That is the process of submitting a query to a search engine, which then finds web pages relevant to the query and which returns them in their order of relevance. See e.g. Figure below for an example of the query results for "Machine Learning". That is, the search engine returns a sorted list of web pages given a query. To achieve this goal, a search engine needs to'know' which pages are relevant and which pages match the query.