US Patent 8700599 Context dependent keyword suggestion for advertising

Various technologies described herein pertain to suggesting context dependent keywords for advertising. A set of seed queries can be identified from a context, where the context is a source keyword, a search query, a category, or a landing page. Moreover, the set of seed queries can be inputted to a search engine. A predetermined number of web pages returned by the search engine upon executing the set of seed queries can be retrieved. Candidate keywords can be extracted from the web pages returned by the search engine. Further, keywords from the candidate keywords can be selected from the candidate keywords based on relevance scores of the candidate keywords.