词性标注

词性标签

Part of Speech Tag, Pos Tag, wikipedia
用于给句子的不同词语加标注, 有多种标签规则.

Penn Treebank 项目用到的词性标签示意, 点这里

Number,Tag,Description
1.  CC  Coordinating conjunction
2.  CD  Cardinal number
3.  DT  Determiner
4.  EX  Existential there
5.  FW  Foreign word
6.  IN  Preposition or subordinating conjunction
7.  JJ  Adjective
8.  JJR Adjective, comparative
9.  JJS Adjective, superlative
10. LS  List item marker
11. MD  Modal
12. NN  Noun, singular or mass
13. NNS Noun, plural
14. NNP Proper noun, singular
15. NNPS    Proper noun, plural
16. PDT Predeterminer
17. POS Possessive ending
18. PRP Personal pronoun
19. PRP$   Possessive pronoun
20. RB  Adverb
21. RBR Adverb, comparative
22. RBS Adverb, superlative
23. RP  Particle
24. SYM Symbol
25. TO  to
26. UH  Interjection
27. VB  Verb, base form
28. VBD Verb, past tense
29. VBG Verb, gerund or present participle
30. VBN Verb, past participle
31. VBP Verb, non-3rd person singular present
32. VBZ Verb, 3rd person singular present
33. WDT Wh-determiner
34. WP  Wh-pronoun
35. WP$    Possessive wh-pronoun
36. WRB Wh-adverb

CRF

他人博客, CRF++的简单使用

icwb2-data 数据集

国际计算语言学会（ACL）中文语言处理小组 (SIGHAN) 在2005年举办了中文语言处理竞赛. 语料库见下:
icwb2-data