How did JFK die?
” is shown here (this was obtained by selecting “advance -> sort by sentence” from the bar below the Freebase results after carrying out the search). Note that: • Highlighting indicates roughly where parts of the text match parts of the query. This is a semantic match, not just a keyword match. • (Top) The NL system interfaces with a database (Freebase) to directly derive some answers. • (Body of results) most results don’t contain “die”. The linguistic resources at Powerset know that “assassinate”, “kill” etc imply “die” • (Second to last result) “President John F. Kennedy” is matching “JFK” because the system knows they refer to the same person.
