Temporal association rules mining: a heuristic methodology applied to time series databases (TSDBs)

  • Authors:
  • Conti Dante;J. Martinez De Pison Francisco;Pernia Alpha

  • Affiliations:
  • Departamento de Investigacion de Operaciones de la Escuela de Ingenieria de Sistemas, Universidad de Los Andes, Facultad de Ingenieria, Merida, Venezuela;EDMANS Group, Departamento de Ingenieria Mecanica, Universidad de La Rioja, La Rioja, Spain;EDMANS Group, Departamento de Ingenieria Mecanica, Universidad de La Rioja, La Rioja, Spain

  • Venue:
  • CIMMACS '10 Proceedings of the 9th WSEAS international conference on computational intelligence, man-machine systems and cybernetics
  • Year:
  • 2010

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Abstract

This paper shows and describes a heuristic methodology applied to Time Series Databases (TSDBs) by approaching Temporal Data Mining (TDM). The methodology focuses on temporal association rules from multiple time series which could be captured from many applications and processes (industrial processes, financial assets, environment variables, demographic series, etc). This heuristic methodology is designed to obtain temporal association rules that represent the repeated relationships between events/episodes of a big number of time series, using a time window and a time lag. The process involves finding significant events into multivariate time series and then, with the consequent fixed, extracting previous important episodes within a time window and time lag established. In the next stage, a search is made for sequences of episodes or items that are repeated amongst the various time series. Finally, extraction is carried out of the temporal association rules for those cases that appear on a high number of times and have a high rate of hits. This proposal is computerised by using R-language supported with a software tool that has been called CONOTOOL.