基于SVD的向量空间模型的最佳逼近

R. Hadi
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引用次数: 0

摘要

互联网技术的快速发展使得将大量数据集合为文本文档变得容易;例如,期刊、博客、网页、文章、电子邮件。在文本挖掘应用中,不断增加数据集的文本空间意味着工作量过大,难以有效地对文档进行预处理,为文档聚类等文本挖掘应用做好准备。该系统着重于文档预处理和文档空间缩减技术,为聚类技术做准备。文本挖掘问题的相互方法是向量空间模型(VSM),每个词代表一个特征。因此,该系统通过预处理方法从数据集中剔除琐碎数据,从而建立向量空间模型。而VSM的拥抱维数则采用低秩奇异值分解进行求解。实验结果表明,该系统的文档表示效果比之前的方法提高了10%左右,为文档聚类做好了准备
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Best Approximate of Vector Space Model by Using SVD
A quick growth of internet technology makes it easy to assemble a huge volume of data as text document; e. g., journals, blogs, network pages, articles, email letters. In text mining application, increasing text space of datasets represent excessive task which makes it hard to pre-processing documents in efficient way to prepare it for text mining application like document clustering. The proposed system focuses on pre-processing document and reduction document space technique to prepare it for clustering technique. The mutual method for text mining problematic is vector space model (VSM), each term represent a features. Thus the proposed system create vector-space mod-el by using pre-processing method to reduce of trivial data from dataset. While the hug dimen-sionality of VSM is resolved by using low-rank SVD. Experiment results show that the proposed system give better document representation results about 10% from previous approach to prepare it for document clustering
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