# Guttman, Antonin. R-trees: a dynamic index structure for spatial searching. Vol. 14, no. 2. ACM, 1984.
# Sellis, Timos, Nick Roussopoulos, and Christos Faloutsos. "The R+-Tree: A Dynamic Index for Multi-Dimensional Objects." VLDB, 1987.
== 整数链表（Integer List） ==
# Giuseppe Ottaviano, Nicola Tonellotto, Rossano Venturini, Optimal Space-Time Tradeoffs for Inverted Indexes, ACM WSDM 2015.
# Lakshminarasimhan, Sriram, et al. "Scalable in situ scientific data encoding for analytical query processing." Proceedings of the 22nd international symposium on High-performance parallel and distributed computing. ACM, 2013.
== 位图（Bitmap） ==
# Athanassoulis, Manos, and Anastasia Ailamaki. "BF-tree: approximate tree indexing." Proceedings of the VLDB Endowment 7, no. 14 (2014): 1881-1892.
== 其它结构 ==
# Navarro, Gonzalo, and Eliana Providel. “Fast, Small, Simple Rank/Select on Bitmaps.” In Proceedings of the 11th International Symposium on Experimental Algorithms (SEA 2013), 295–306, 2012.
= 搜索引擎的索引结构 =