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Data Discovery Over Time Series From Star Schemas Based on Association, Correlation, and Causality

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出版社

IGI GLOBAL
DOI: 10.4018/IJDWM.2020100106

关键词

Association; Causality; Correlation; Data Discovery; Data Mart; Data Warehouse; Star Schema; Time Series

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  1. Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]

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This work proposes a methodology applied to repositories modeled using star schemas, such as data marts, to discover relevant time series relations. This paper applies a set of measures related to association, correlation, and causality to create connections among data. In this context, the research proposes a new causality function based on peaks and values that relate coherently time series. To evaluate the approach, the authors use a set of experiments exploring time series about a particular neglected disease that affects several Brazilian cities called American Tegumentary Leishmaniasis and time series about the climate of some cities in Brazil. The authors populate data marts with these data, and the proposed methodology has generated a set of relations linking the notifications of this disease to the variation of temperature and pluviometry.

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