文件名称:FlexCRFs-0.3
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Hieu Xuan Phan & Minh Le Nguyen 利用CRF统计模型写的可用于英文命名实体识别、英文分词的工具（开放源码）。CRF模型最早由Lafferty提出，全名conditional random fields，该模型后来被广泛地应用在语言和图像处理领域，并随之出现了很多的变体。FlexCRF就是对CRF模型的一个实现应用工具，可用于文本信息处理-Hieu Xuan Phan
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下载文件列表
FlexCRFs-0.3
............\apps
............\....\Chunking
............\....\........\AllPhrases
............\....\........\NounPhrase
............\....\........\..........\CoNLL2000
............\....\........\..........\small
............\....\........\..........\.....\model.txt
............\....\........\..........\.....\option.txt
............\....\........\..........\.....\README
............\....\........\..........\.....\test.tagged
............\....\........\..........\.....\test.tagged.model
............\....\........\..........\.....\test.txt
............\....\........\..........\.....\train.tagged
............\....\........\..........\.....\train.txt
............\....\........\..........\.....\trainlog.txt
............\....\........\..........\.....\trainlog.txt_first-orderCRFs
............\....\........\..........\.....\trainlog.txt_second-orderCRFs
............\....\NER
............\....\POSTagging
............\bin
............\...\chunkingfeasel
............\...\convertchk
............\...\crf
............\...\evaluatechk
............\...\majorityvote
............\...\postaggingfeasel
............\ChangeLog
............\docs
............\....\flexcrfs-manual.pdf
............\include
............\.......\convertchunk.h
............\.......\data.h
............\.......\dictionary.h
............\.......\doublematrix.h
............\.......\doublevector.h
............\.......\evaluatechunk.h
............\.......\evaluation.h
............\.......\feature.h
............\.......\featuregen.h
............\.......\mathlib.h
............\.......\model.h
............\.......\option.h
............\.......\strtokenizer.h
............\.......\trainer.h
............\.......\viterbi.h
............\lib
............\...\flexcrfs.a
............\LICENSE
............\Makefile
............\NEWS
............\README
............\src
............\...\convertchk
............\...\convertchk.cpp
............\...\crf
............\...\crf.cpp
............\...\crfs
............\...\....\evaluation
............\...\....\..........\convertchunk.cpp
............\...\....\..........\convertchunk.o
............\...\....\..........\evaluatechunk.cpp
............\...\....\..........\evaluatechunk.o
............\...\....\..........\evaluation.cpp
............\...\....\..........\evaluation.o
............\...\....\feature
............\...\....\.......\feature.cpp
............\...\....\.......\feature.o
............\...\....\.......\featuregen.cpp
............\...\....\.......\featuregen.o
............\...\....\math
............\...\....\....\doublematrix.cpp
............\...\....\....\doublematrix.o
............\...\....\....\doublevector.cpp
............\...\....\....\doublevector.o
............\...\....\....\mathlib.cpp
............\...\....\....\mathlib.o
............\...\....\misc
............\...\....\....\option.cpp
............\...\....\....\option.o
............\...\....\model.cpp
............\...\....\model.o
............\...\....\trainer
............\...\....\.......\lbfgs.c
............\...\....\.......\lbfgs.o
............\...\....\.......\trainer.cpp
............\...\....\.......\trainer.o
............\...\....\viterbi
............\...\....\.......\viterbi.cpp
............\...\....\.......\viterbi.o
............\...\dataitf
............\...\.......\data.cpp
............\...\.......\data.o
............\...\.......\dictionary.cpp
............\...\.......\dictionary.o
............\...\evaluatechk
............\...\evaluatechk.cpp
............\...\feasel
............\...\......\Chunking
............\...\......\........\chunkingfeasel
............\apps
............\....\Chunking
............\....\........\AllPhrases
............\....\........\NounPhrase
............\....\........\..........\CoNLL2000
............\....\........\..........\small
............\....\........\..........\.....\model.txt
............\....\........\..........\.....\option.txt
............\....\........\..........\.....\README
............\....\........\..........\.....\test.tagged
............\....\........\..........\.....\test.tagged.model
............\....\........\..........\.....\test.txt
............\....\........\..........\.....\train.tagged
............\....\........\..........\.....\train.txt
............\....\........\..........\.....\trainlog.txt
............\....\........\..........\.....\trainlog.txt_first-orderCRFs
............\....\........\..........\.....\trainlog.txt_second-orderCRFs
............\....\NER
............\....\POSTagging
............\bin
............\...\chunkingfeasel
............\...\convertchk
............\...\crf
............\...\evaluatechk
............\...\majorityvote
............\...\postaggingfeasel
............\ChangeLog
............\docs
............\....\flexcrfs-manual.pdf
............\include
............\.......\convertchunk.h
............\.......\data.h
............\.......\dictionary.h
............\.......\doublematrix.h
............\.......\doublevector.h
............\.......\evaluatechunk.h
............\.......\evaluation.h
............\.......\feature.h
............\.......\featuregen.h
............\.......\mathlib.h
............\.......\model.h
............\.......\option.h
............\.......\strtokenizer.h
............\.......\trainer.h
............\.......\viterbi.h
............\lib
............\...\flexcrfs.a
............\LICENSE
............\Makefile
............\NEWS
............\README
............\src
............\...\convertchk
............\...\convertchk.cpp
............\...\crf
............\...\crf.cpp
............\...\crfs
............\...\....\evaluation
............\...\....\..........\convertchunk.cpp
............\...\....\..........\convertchunk.o
............\...\....\..........\evaluatechunk.cpp
............\...\....\..........\evaluatechunk.o
............\...\....\..........\evaluation.cpp
............\...\....\..........\evaluation.o
............\...\....\feature
............\...\....\.......\feature.cpp
............\...\....\.......\feature.o
............\...\....\.......\featuregen.cpp
............\...\....\.......\featuregen.o
............\...\....\math
............\...\....\....\doublematrix.cpp
............\...\....\....\doublematrix.o
............\...\....\....\doublevector.cpp
............\...\....\....\doublevector.o
............\...\....\....\mathlib.cpp
............\...\....\....\mathlib.o
............\...\....\misc
............\...\....\....\option.cpp
............\...\....\....\option.o
............\...\....\model.cpp
............\...\....\model.o
............\...\....\trainer
............\...\....\.......\lbfgs.c
............\...\....\.......\lbfgs.o
............\...\....\.......\trainer.cpp
............\...\....\.......\trainer.o
............\...\....\viterbi
............\...\....\.......\viterbi.cpp
............\...\....\.......\viterbi.o
............\...\dataitf
............\...\.......\data.cpp
............\...\.......\data.o
............\...\.......\dictionary.cpp
............\...\.......\dictionary.o
............\...\evaluatechk
............\...\evaluatechk.cpp
............\...\feasel
............\...\......\Chunking
............\...\......\........\chunkingfeasel