@Inproceedings{RodrĂ­guezBrisaboa07,
author = {Brisaboa, N. R. and Pedreira, O.},
title = {Spatial Selection of Sparse Pivots for Similarity Search in Metric Spaces},
booktitle = {Proceedings of the 33rd International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM 2007) - LNCS 4362},
address = {Harrachov},
year = {2007},
pages = {434-445}
}