A simplified objective function and a modified clonal algorithm (CLONALG) based on memory are proposed.

将二层规划目标简化为分段函数，提出基于记忆的改进克隆算法。

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This paper proposes an XML update algorithm based on SAX model, which can decrease memory and time take for updating XML document.

提出一种基于SAX模型的XML文档更新算法，利用SAX模型占用时间和空间少的优点进行文档的更新。

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In the part of index renewal, this paper proposed three dynamic index updating strategies based on order memory, and a kind of index dynamic updating algorithm based on chain memory.

在索引更新部分本文提出了三种顺序存储方式下准动态的索引更新策略，一种链式存储格式下索引动态更新的算法。

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