@Article{RodrĆ­guezBrisaboa07,
author = {Brisaboa, N. R. and FariƱa, A. and Nora Reyes and Pedreira, O.},
title = {Spatial Selection of Sparse Pivots for Similarity Search in Metric Spaces},
journal = {Journal of Computer Science & Technology},
year = {2007},
}