@Inproceedings{RodrĂ­guezBrisaboa14,
author = {Brisaboa, N. R. and de Bernardo, Guillermo and Konow, Roberto and Navarro, G.},
title = {K 2-Treaps: Range Top-k Queries in Compact Space},
booktitle = {Proc. of the 21th Int. Symp. on String Processing and Information Retrieval (SPIRE 2014) - LNCS 8799},
address = {Ouro Preto},
year = {2014},
pages = {215-226}
}