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COMPLEX - AN OBJECT-ORIENTED LOGIC PROGRAMMING SYSTEM
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DOI：10.1109/69.149930.png)
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摘要
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This paper describes the design and a prototypical implementation of COMPLEX, a logic-based system extended with concepts from the object-oriented paradigm, intended as a tool for the development of knowledge-based applications. The system supports a logic language, called Complex-Datalog (C-Datalog), enhanced by semantic constructs to provide facility for data abstraction. Its implementation is based on a bottom-up computational model that guarantees a fully declarative style of programming. However, the user is also given the possibility of running a query using a top-down model of computation. Efficiency of execution is the result of the integration of different novel technologies for the compilation and the execution of queries.
Keyword:
BOTTOM UP QUERY EVALUATION
CLASS
COMPLEX OBJECTS
LOGIC PROGRAMMING
MULTIPLE INHERITANCE
QUERY SUBQUERY EVALUATION
REWRITING METHODS
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10.4
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