Fusing time series expression data through hybrid aggregation and hierarchical merge
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Updated: Jul 2, 2026

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
Published on: February 9, 2017
Elena Tsiporkova1, Veselka Boeva
1Innovation Center, East Flanders, House of Economy, Seminariestraat and 2, B-9000 Ghent, Belgium.
Summary:
A novel integration approach targeting the combination of multi-experiment time series expression data is proposed. A recursive hybrid aggregation algorithm is initially employed to extract a set of genes, which are eventually of interest for the biological phenomenon under study. Next, a hierarchical merge procedure is specifically developed for the purpose of fusing together the multiple-experiment expression pro.les of the selected genes. This employs dynamic time warping alignment techniques in order to account adequately for the potential phase shift between the different experiments. We subsequently demonstrate that the resulting gene expression pro.les consistently re.ect the behavior of the original expression pro.les in the different experiments.
Supplementary Information:
Supplementary data are available athttp://www.tu-plovdiv.bg/Container/bi/DataIntegration/
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