Nested set languages for functional databases
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摘要
A class of languages based on nested sets are introduced in the context of functional databases. The major linguistic characteristics of each are identified and compared with others. The significance of the functional model and the nested set languages are demonstrated through examples.
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论文评审过程：Received 20 June 1983, Revised 15 March 1984, Available online 17 June 2003.
论文官网地址：https://doi.org/10.1016/0306-4379(84)90007-3
