MIT Artificial Intelligence Laboratory


The START Natural Language System

HPKB Server





The START HPKB Server answers a range of natural language questions in the domain of the Crisis Management Challenge Problem for DARPA's High Performance Knowledge Bases research program. Three topic areas targeted by this server are: (1) specific questions appearing in the Crisis Management Challenge Problem specification document, (2) material appearing in the CIA World Factbook, and (3) general geographical information, including locations, maps, weather reports and other information about several thousand cities and most countries of the world. (4) Assorted incidental topics are included from the general START server.

Example Questions

HPKB-specific

CIA World Factbook

General geographical information

Incidental information


The START system