查询词典 clustering

Then, considering the knowledge represented by a set of frequent patterns, we investigate the problems of preserving sensitive patterns in data sharing, hiding sensitive patterns in frequent pattern sharing, and also blocking inference channels in frequent pattern sharing. The main contributions are as follows:(1) For the problem of preserving anonymity in data sharing, we propose a clustering-based approach for implementing l-diversity.

本文首先研究了数据共享中匿名保护问题，接着以频繁模式为知识的表现形式，研究了数据共享中的敏感模式保护，频繁模式共享中的敏感模式隐藏，以及频繁模式共享中的推理控制等问题，主要的研究成果如下：(1)针对数据共享中的匿名保护问题，提出了一种基于聚类的l-多样化实现方法。

K-means clustering is widely used due to its fast convergence, but it is sensitive to the initial condition.

论文摘要： K-means聚类方法因为具有快速的收敛速度而被广泛应用，但是该算法对初始值的敏感性却是人们所不期望的。

grey correlation clustering analysis is applicable to initial data of the index system, and quality of comprehensive evaluation with this method is good.

灰关联聚类分析适用于该指标体系的数据特点，且综合评价效果较好。

And this paper also improved the initial center point's selection of K-Means clustering algorithm.

另对聚类算法初始聚类中心的选取也做了改进。

In order to optimize the centers of RBF more effectively, the input-output clustering method is introduced.

其次，为了进一步优化RBF的中心，本文引入了输入输出聚类方法。

The approach not only can determine the clustering number automatically, but also has the advantage of fast convergent speed, insensitiveness to noise, etc.

这种分割方法不仅能自动确定聚类数，而且具有收敛速度快、抗噪能力强等优点。

We will show that this approach is competitive or superior to the state-of-the-art approaches in anomaly/interestingness detection, classification, and clustering with empirical tests on time series/DNA/text/video datasets

我们将证明，这种做法是竞争或优于国家的最先进的办法异常/趣味性检测、分类、聚类与实证试验和时序/脱氧核糖核酸/文/视频数据

In data mining, lots of clustering algorithms have been developed, and most of them are limited by scalability and interpretability.

在数据挖掘研究领域，现有的大多数聚类算法都受到数据可伸缩性和结果可解释性的限制。

In addition, to discover and analyze knowledge based on concepts, this model can improve the interpretability of clustering results, and facilitate to interact with users.

另外，该模型基于概念进行知识的发现与分析，能够提高聚类结果的可解释性，便于与用户交互。

The precision index is defined, and the necessary conditions of interpretability are analyzed. The initial fuzzy system is identified using fuzzy clustering algorithm.

首先定义系统的精确性指标，给出解释性的必要条件，利用聚类算法辨识初始模型。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐