“Whenever a list or set is used, and space is consideration, a Bloom filter should be considered. When using a Bloom filter, consider the potential effects of false positives.”
参考文献:
Network Applications of Bloom Filters: A Survey http://www.eecs.harvard.edu/~michaelm/postscripts/im2005b.pdf
http://www.eecs.harvard.edu/~michaelm/postscripts/ton2002.pdf
http://www.cs.jhu.edu/~fabian/courses/CS600.624/slides/bloomslides.pdf