Discovering Data Source Stability Patterns in Biomedical Repositories Based on Simplicial Projections from Probability Distribution Distances

Pablo Ferri Borreda, C. Sáez, J. M. García-Gómez
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Abstract

The degree of homogeneity of statistical distributions among data sources is a critical issue when reusing data of Integrated Data Repositories (IDR). Evaluating this data source stability is of utmost importance in order to ensure a confident data reuse. This work tackles the task of discovering and classifying patterns among the statistical distributions of multiple sources in IDRs, by means of a novel approach based on simplicial projections from probability distribution distances, combined with Density-based spatial clustering of applications with noise (DBSCAN). The results on the evaluated 20 public repositories support the existence of four main data source stability patterns in biomedical repositories: the global stability pattern (GSP), the local stability pattern (LSP), the sparse stability pattern (SSP) and the instability pattern (IP).
基于概率分布距离的简单投影发现生物医学知识库中的数据源稳定性模式
在集成数据存储库(IDR)中重用数据时,数据源之间统计分布的同质性是一个关键问题。为了确保可靠的数据重用,评估该数据源的稳定性至关重要。这项工作通过一种基于概率分布距离的简单投影的新方法,结合基于密度的带噪声应用空间聚类(DBSCAN),解决了在idr中多个源的统计分布中发现和分类模式的任务。结果表明,生物医学知识库中存在全局稳定模式(GSP)、局部稳定模式(LSP)、稀疏稳定模式(SSP)和不稳定模式(IP)四种主要的数据源稳定性模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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