VERB - verbs (all tenses and modes) 动词 NOUN - nouns (common and proper) 名词 PRON - pronouns 代词（人称代词） ADJ - adjectives 形容词 ADV - adverbs 副词 ADP - adpositions (prepositions and postpositions) 介词 CONJ - conjunctions 连接词 DET - determiners 限定词 NUM - cardinal numbers 数字 PRT - particles or other function words 小品词或结构词、虚词 X - other: foreign words, typos, abbreviations 缩略词等 . - punctuation 标点无用推文
[(('NOUN', 'NOUN'), 2575), (('PRON', 'VERB'), 1498), (('NOUN', 'VERB'), 1268), (('DET', 'NOUN'), 1047), (('VERB', 'VERB'), 981), (('ADJ', 'NOUN'), 873), (('VERB', 'PRON'), 853), (('NOUN', 'ADP'), 765), (('VERB', 'NOUN'), 760), (('VERB', 'ADV'), 626)]有用推文
[(('NOUN', 'NOUN'), 3042), (('ADP', 'NOUN'), 1350), (('NOUN', 'VERB'), 1310), (('NOUN', 'ADP'), 945), (('VERB', 'ADP'), 669), (('VERB', 'NOUN'), 462), (('DET', 'NOUN'), 427), (('NUM', 'NOUN'), 413), (('ADJ', 'NOUN'), 378), (('ADP', 'DET'), 239)]跟地点的情况：
RT @theheraldsun: AFP officer dies in Melbourne CBD shooting >> https://t.co/afnSM4TXkS https://t.co/IAjTSx0zMr跟动作的情况：
RT @KMPHFOX26: #BREAKING KCSO: 1 dead, others hurt in shooting at a Bakersfield's casino. https://t.co/TCkiKdV1cp跟时间的情况：
RT @Asipatravana: So that's 3 bomb explosions, 1 attempted kidnapping, & 2 shootings in 2 days in Sweden. And we are expected to beli… 文章来源: 对于单条短文本数据的分类（噪声数据过滤）