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Classification of Categorical Uncertain Data Using Decision
Classification of Categorical Uncertain Data Using Decision

... of possible values [12]. “Imprecise queries processing” is one well known topic on the value uncertainty. Such a query is associated with a probability that represent the guarantee on its correctness. In co-related uncertainty value of multiple attributes describe by a joint- probability- distributi ...
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... business expert, data miner, data expert and IT sponsor. Some projects may require two or three people; other projects may require more. ...
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... • Holds BSEE from Illinois Institute of Technology, Chicago, ILLINOIS. • MCP in ASP.net (C#) • SQL SERVER, ASP.NET, C#, DATA MINING, ANALYSIS SERVICES. • CONTACT: – [email protected] – HTTP://ZULFIQAR.TYPEPAD.COM ...
A Near-Optimal Algorithm for Differentially-Private
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A046010107
A046010107

... performed on a sample size of m instances, each characterized by N attributes, is: O(T * K * m * N). This linear complexity is one of the reasons for the popularity of the K- means algorithms. Even if the number of instances is substantially large (which often is the case nowadays), this algorithm i ...
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Nonlinear dimensionality reduction



High-dimensional data, meaning data that requires more than two or three dimensions to represent, can be difficult to interpret. One approach to simplification is to assume that the data of interest lie on an embedded non-linear manifold within the higher-dimensional space. If the manifold is of low enough dimension, the data can be visualised in the low-dimensional space.Below is a summary of some of the important algorithms from the history of manifold learning and nonlinear dimensionality reduction (NLDR). Many of these non-linear dimensionality reduction methods are related to the linear methods listed below. Non-linear methods can be broadly classified into two groups: those that provide a mapping (either from the high-dimensional space to the low-dimensional embedding or vice versa), and those that just give a visualisation. In the context of machine learning, mapping methods may be viewed as a preliminary feature extraction step, after which pattern recognition algorithms are applied. Typically those that just give a visualisation are based on proximity data – that is, distance measurements.
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