The DARPA high-performance knowledge bases project

Now completing its first year, the High-Performance Knowledge Bases Project promotes technology for developing very large, flexible, and reusable know ledge bases. The project is supported by the Defense Advanced Research Proj ects Agency and includes more than 15 contractors in universities, research laboratories, and companies; The evaluation of the constituent technologie s centers on two challenge problems, in crisis management and battlespace r easoning, each demanding powerful problem solving with very large knowledge bases. This article discusses the challenge problems, the constituent tech nologies, and their integration and evaluation.