METHODS AND SYSTEMS FOR MODIFYING SEARCH ENGINE RANKINGS OF WEB PAGES

Systems and methods for applications of orthogonal corpus indexing (OCI) are described. In one aspect, the systems and methods described improve the ranking in a search engine of a web page. The systems and methods process a database using OCI to derive keywords relating to database content. They process a web page to determine a keyword relating to web page content, select content from the database based on the keyword, and add the selected content to the web page to improve its search engine page rank. In another aspect, the systems and methods described generate content for an advertisement. The systems and methods process a database using OCI to derive keywords relating to database content. They receive an ad word related to the advertisement, determine a keyword relating to the received ad word, and select content from the database based on the keyword for addition to the advertisement.