The files in src/ subdirectory, detect.cpp were originally written by Wu Yongwei and modified by Qin Wenfeng. The files in inst/include and inst/include/Limonp subdirectory, DictTrie.hpp FullSegment.hpp HMMSegment.hpp ISegment.hpp KeywordExtractor.hpp MixSegment.hpp MPSegment.hpp PosTagger.hpp QuerySegment.hpp SegmentBase.hpp Simhasher.hpp TransCode.hpp Trie.hpp CodeConverter.hpp Condition.hpp HandyMacro.hpp LocalVector.hpp Logger.hpp NonCopyable.hpp StdExtension.hpp StringUtil.hpp were originally written by Yanyi Wu Ruochen Xu and modified by Qin Wenfeng. The files in inst/include/hashes subdirectory, jenkins.h were originally written by Bob Jenkins Other part of this package is written by Qin Wenfeng.