Improving hybrid MDS with pivot-based searching

  title={Improving hybrid MDS with pivot-based searching},
  author={Alistair Morrison and Matthew Chalmers},
  journal={IEEE Symposium on Information Visualization 2003 (IEEE Cat. No.03TH8714)},
An algorithm is presented for the visualization of multidimensional abstract data, building on a hybrid model introduced at Info Vis 2002. The most computationally complex stage of the original model involved performing a nearest-neighbour search for every data item. The complexity of this phase has been reduced by treating all high-dimensional relationships as a set of discretised distances to a constant number of randomly selected pivot items. In improving this computational bottleneck, the… CONTINUE READING
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