1. A method of associating results from a query from a user directed to a search engine to advertisements associated with said search engine, said method comprising the steps of: obtaining advertisement keyword senses associated with said advertisements; disambiguating said query to identify query keyword senses associated with said query; expanding said query keyword senses to include relevant semantic relations for said query keyword senses and semantically equivalent queries to create a list of expanded query keyword senses; using said expanded keyword senses to search said advertisement keyword senses to locate relevant advertisements correlating to said query; and providing said relevant advertisements to said user.