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Lessons Learned KB
Core portions of strategies are implemented in the KB
saves development time, but has potential performance issues

Flora-2/XSB is expressive, powerful, and flexible
but has several performance and robustness limitations
memory leaks in Flora-2/XSB limited the length of runs
XSB/Flora-2 developers have fixed bugs at our request
offers a high computational load as number of records increase

Beyond Phase 1, KB needs to be revisited
existing KBs do not adequately address deployment needs
numerous robustness, performance, and interfacing issues
additional DoD investment may be necessary
see DARPA/NSF workshop: http://www.knowledgebasednetworking.org
PPT Version