US Patent 8073850 Selecting key phrases for serving contextually relevant content

A process is described for assessing the suitability of particular keyword phrases for use in serving contextually relevant content for display on particular web pages. In one embodiment, the process involves determining frequencies of occurrence of particular keyword phrases within a peer group of pages associated with a target URL. Popularity levels of the phrases, as assessed using other sources of information, may also be considered. A process is also disclosed in which selected keyword phrases on a web page are transformed into links that can be selected by a user to view bundled content that is related to such keyword phrases.