/China News queries search story headlines, and NOT the bodies, or content, of news stories. News queries are NOT case sensitive. V301 evaluates all queries in lower case. In v301, it is possible to recall a previous working set.Concepts You Should Know
In the v301 scheme, every query creates a working set, that is, the query narrows the number of headlines in the window. In the discussions that follow, such a subset is a “working set.”News keyword searches are still initiated using the forward slash (/), i.e.,