DoubleArrayTrie : DAT雙數組Trie樹

https://github.com/hankcs/AhoCorasickDoubleArrayTrie

http://www.hankcs.com/program/java/%E5%8F%8C%E6%95%B0%E7%BB%84trie%E6%A0%91doublearraytriejava%E5%AE%9E%E7%8E%B0.html

http://blog.csdn.net/xlxxcc/article/details/67631988

https://www.cnblogs.com/studyhs/p/5443767.html

http://blog.csdn.net/cyc66/article/details/47047933