V2EX retokenization

Retokenization

定义 Definition

retokenization(再分词/重新切分词元):在自然语言处理(NLP)中,指把一段文本(或已有的分词结果)重新进行分词/切分为 token 的过程,通常为了匹配某个模型或词表(vocabulary)的要求(如 BPE、WordPiece、SentencePiece),或为对齐不同系统的标注与输入格式。

发音 Pronunciation (IPA)

/ritoknazen/

例句 Examples

The dataset requires retokenization before training.
这个数据集在训练前需要重新分词。

To align the gold annotations with the model’s subword vocabulary, we performed retokenization and updated all token offsets.
为了让人工标注与模型的子词词表对齐,我们进行了重新分词,并更新了所有词元的偏移位置。

词源 Etymology

由 **re-**(“再、重新”)+ token(“词元/标记”)+ -ization(“……化/过程”)构成,字面意思就是“把文本再 token 化的过程”。该词多见于计算语言学与机器学习工程语境中。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Sennrich, Haddow & Birch (2016), Neural Machine Translation of Rare Words with Subword Units(子词切分与重切分讨论常与 retokenization 同现)
  • Kudo & Richardson (2018), SentencePiece: A simple and language independent subword tokenizer and detokenizer for Neural Text Processing
  • Devlin et al. (2019), BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding(相关实现与复现工作中常提及为匹配 WordPiece 而进行的 retokenization)
关于     帮助文档     自助推广系统     博客     API     FAQ     Solana     2730 人在线   最高记录 6679       Select Language
创意工作者们的社区
World is powered by solitude
VERSION: 3.9.8.5 43ms UTC 07:04 PVG 15:04 LAX 00:04 JFK 03:04
Do have faith in what you're doing.
ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86