
                          LICENSE AGREEMENT

Jess, the Java Expert System Shell is Copyright (C) 1997 by Ernest J.
Friedman-Hill and the Sandia Corporation. 

Sandia Corporation (hereinafter "Sandia") manages and operates a
federally-owned facility known as Sandia National Laboratories for the
United States Department of Energy (Hereinafter "DOE") under Contract
DE-AC04-94AL85000. By using and/or downloading the attached Sandia
software, titled "Jess", which is a limited clone of the CLIPS expert system
shell written in the Java language, you and/or your company (hereinafter
"Licensee") are agreeing to be bound by the following licensing terms and
conditions: 

  1. Jess is free for non-commercial use world-wide, including academic
     use. Commercial use of Jess in products substantially manufactured
     in the the United States is also free. Licenses for the commercial use
     of Jess outside of the United States may be negotiated by contacting
     C.V. (Subra) Subramanian at (510) 294-2311 or
     cvsubra@sandia.gov. 

  2. Under the terms of Contract DE-AC04-94AL85000, there is a
     non-exclusive license for the use of this work by or on behalf of the
     U.S. Government. The United States Government is granted for itself
     and others acting on its behalf a paid-up, nonexclusive, irrevocable
     worldwide license in this data to reproduce, prepare derivitive
     works, and perform publicly and display publicly. Beginning five (5)
     years after July 1, 1997, The United States Government is granted
     for itself and others acting on its behalf a paid-up, nonexclusive,
     irrevocable worldwide license in this data to reproduce, prepare
     derivitive works, and perform publicly and display publicly, and to
     permit others to do so. 

  3. Sandia makes no warranty, express or implied, as to the accuracy or
     utility of Jess. Sandia further makes no warranty, express or implied,
     that the use of Jess as made available herein under this License
     Agreement will not infringe any United States or foreign patent,
     copyright or trade secret. Under this License Agreement, Jess is
     made available to the Licensee on an "AS-IS" basis. Sandia and the
     Government and their agents, officers and employees shall not be
     liable for any loss, damage (including incidental, consequential and
     special), injury or other casualty of whatsoever kind, or by
     whomsoever caused, to the person or property of anyone, including
     the Licensee and its Affiliates, arising out of or resulting from the
     license granted to the Licensee herein, or the accuracy and validity of
     Jess, or from any system or component thereof made, used, sold,
     leased or transferred by the Licensee, and the Licensee agrees for
     itself, its successors and assigns, to defend, indemnify and hold
     Sandia and the Government, harmless from and against all claims,
     demands, liabilities, suits or actions (including all reasonable expenses
     and attorney's fees incurred by or imposed on the Licensee or its
     Affiliates in connection therewith) for such loss, damage (including
     incidental, consequential and special), injury or other casualty. 

  4. NEITHER THE UNITED STATES GOVERNMENT, NOR THE
     UNITED STATES DEPARTMENT OF ENERGY, NOR
     SANDIA CORPORATION, NOR ANY OF THEIR
     EMPLOYEES, MAKE ANY WARRANTY, EXPRESS OR
     IMPLIED, OR ASSUMES ANY LEGAL LIABILITY OF
     RESPONSIBILITY FOR THE ACCURACY,
     COMPLETENESS, OR USEFULNESS OF ANY
     INFORMATION, APPARATUS, PRODUCT, OR PROCESS
     DISCLOSED, OR REPRESENTS THAT ITS USE WOULD
     NOT INFRINGE PRIVATELY OWNED RIGHTS. 


