| 1. | Experiment illustrates that the method is simpler and more flexible , efficient and useful , compared with the previous methods
实验结果表明，与传统的方法相比，该算法极大地提高了挖掘效率。 |
| 2. | Experimental results indicated that the proposed method has improved the efficiency of customer temporal sequence association rule mining
实验结果表明，所提出的方法能够提高客户时序关联规则的挖掘效率。 |
| 3. | So this provides a method for problem of patterns " time - efficiency . this new system improves the efficiency of data mining and shares data - mining results
通过增加这样一个新的系统就为数据挖掘结果的共享及数据挖掘效率的提高提供了一种新的途径。 |
| 4. | The definitions and properties of fuzzy constraint are discussed , and based on its properties , the spaces of itemsets and transactions are pruned , thus improving the mining efficiency
讨论了模糊约束的定义和性质，并根据其性质对项集空间和事务空间进行剪枝，以提高挖掘效率。 |
| 5. | The extractors can extract specific data for some data mining algorithms . so , it can avoid of same queries to the database , and improve data mining efficiencies . 2
该模型利用标准的sql语言构造数据抽取器，为不同的学习算法准备数据，可以加快知识发现过程，提高数据挖掘效率。 |
| 6. | Experiments showed that the new method can mine mdcar with good efficiency and high precision and improve the performance , in certain case , 10 ~ 1000 times higher than that without negative select strategy
实验表明，新方法能够高效、准确地挖掘多维复杂关联规则；在一定条件下，新方法的否定选择策略可将挖掘效率提高达1 ~ 3个数量级。 |
| 7. | The searching space of frequent temporal sequence patterns could be reduced and the efficiency of association rule mining could be improved by projecting frequent items in time windows to prefix projected accumulation trees
将时间窗口内频繁项的信息映射到前缀映射累加树中，以降低频繁时序模式的搜索空间，提高时序关联规则的挖掘效率。 |
| 8. | Secondly , aiming at the characteristics of e - business , this paper studied the data cleaning step of data pre - processing and proposed new method of data cleaning which can improve the efficiency of association rule mining algorithm
本文针对电子商务环境的特点，研究了数据准备中的数据清理步骤，提出了新的可以提高挖掘效率的清理方法。 |
| 9. | The results showed that th ere were no differences of burrowing behaviors and the efficiencies of the excav ating segment between male and female , except the digging duration of the male w as longer than that of the female in the same soil
结果表明，在相同的硬度条件下，雌雄动物的挖掘行为格局和挖掘效率基本相同，但是雄性动物挖掘所持续的时间明显高于雌性动物。 |
| 10. | The algorithm improves the efficiency greatly by complex spatial computing and analyzing to gain the association between spatial attributes , accordingly , it avoids the complex process of gaining frequent itemsets
这种算法有效地利用了gis中的空间分析技术，较好地处理了空间数据间的空间关系，通过复杂的空间计算和分析求得空间属性之间的关联规则，大大提高了挖掘效率。 |
