Yahoo! Search BOSS is now allowing developers to use a feature called Key Terms. The feature is derived from technology that is used in Search Assist.
Yahoo! says developers can use Key Terms to create refinement terms for their own search applications as well as creating semantic analysis or new relevancy models.
In releasing Key Terms, Yahoo! is introducing a new universal parameter: "view." The Yahoo! Search blog gave the following example for a search for the new President-elect: