Browsing Institutes and Centres by Subject "Data mining"

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Browsing Institutes and Centres by Subject "Data mining"

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The application of cluster analysis in geophysical data interpretation

Song, Yu-Chen ; Meng, Hai-Dong ; O'Grady, Michael J. ; O'Hare, G. M. P. (Greg M. P.) (Springer, 2010-03)

A clustering algorithm which is based on density and adaptive density-reachable is developed and presented for arbitrary data point distributions in some real world applications, especially in geophysical data interpretation. ...
Clustering algorithm incorporating density and direction

Song, Yu-Chen ; O'Grady, Michael J. ; O'Hare, G. M. P. (Greg M. P.) ; Wang, Wei (IEEE Computer Society, 2008-12)

This paper analyses the advantages and disadvantages of the K-means algorithm and the DENCLUE algorithm. In order to realise the automation of clustering analysis and eliminate human factors, both partitioning and ...
Deriving insights from national happiness indices

Brew, Anthony ; Greene, Derek ; Archambault, Daniel ; Cunningham, Pádraig (IEEE, 2011-12-11)

In online social media, individuals produce vast amounts of content which in effect "instruments" the world around us. Users on sites such as Twitter are publicly broadcasting status updates that provide an indication of ...
Evolutionary learning of technical trading rules without data-mining bias

Agapitos, Alexandros ; O'Neill, Michael ; Brabazon, Anthony (Springer, 2010-09)

In this paper we investigate the profitability of evolved technical trading rules when controlling for data-mining bias. For the first time in the evolutionary computation literature, a comprehensive test for a rule’s ...