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Representing and using legal knowledge in integrated decision support systems: DataLex WorkStations
Authors:Graham Greenleaf  Andrew Mowbray  Peter van Dijk
Affiliation:(1) University of New South Wales Sydney, 2052, Australia;(2) University of Technology, Broadway 2007, Sydney, Australia;(3) University of Technology, Broadway 2007, Sydney, Australia
Abstract:There is more to legal knowledge representation than knowledge-bases. It is valuable to look at legal knowledge representation and its implementation across the entire domain of lsquocomputerisation of lawrsquo, rather than focussing on sub-domains such as lsquolegal expert systemsrsquo. The DataLex WorkStation software and applications developed using it are used to provide examples. Effective integration of inferencing, hypertext and text retrieval can overcome some of the limitations of these current paradigms of legal computerisation which are apparent when they are used on a lsquostand-alonersquo basis. Effective integration of inferencing systems is facilitated by use of a (quasi) natural language knowledge representation, and the benefits of isomorphism are enhanced. These advantages of integration apply to all forms of inferencing, including document generation and casebased inferencing. Some principles for development of integrated legal decision support systems are proposed.
Keywords:integrated  natural language  hypertext  document assembly  knowledge representation  expert system  text retrieval
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