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3 votes

How can I do data augmentation for text classification?

A method for introducing variation in language data is round-trip translation to a different language and back. Shalom Lappin used machine translation for this purpose (and noted that Google translate ...
Sir Cornflakes's user avatar
3 votes
Accepted

How can I do data augmentation for text classification?

NoiseMix is made for exactly this. (Full disclosure: I am advisor to the project.) It applies simple transformations to rows of text data while preserving labels. The word-level perturbations are:...
Adam Bittlingmayer's user avatar
3 votes
Accepted

Are there any corpora of informal and unstructured text labelled for Named Entity Recognition?

For German language, there is the corpus NoSta-D containing non standard varieties of German including a chat corpus. It is hosted by the CLARIN-D centre at Tübingen.
Sir Cornflakes's user avatar
2 votes

How can I do data augmentation for text classification?

Compared to images, data augmentation in NLP is tricky as even a slight change in the sentence can entirely change its meaning. However, there are some augmentation techniques I have seen in the ...
Amit Chaudhary's user avatar
1 vote

Can "words" ever have multiple parts of speech?

Japanese has several types of adjectives: i-adjectives, na-adjectives, and others. Japanese also has nouns. Some words, in different syntactical contexts, can be used as nouns and na-adjectives. (...
Arfrever's user avatar
  • 553
1 vote

Where can I find the HISTORICAL data on the total no of speakers of a language?

By 1700, Spain had borders similar to today's and had 8.8 million inhabitants, the number of speakers of Spanish as a first language could range from 65 to 80% (this is based on the percentage of ...
Davius's user avatar
  • 580
1 vote

File structures for named entity recognition datasets

OK, there are only two basic flavours of such files "Inline", as you call it; it is also called "vertical" or "one word per line" or "one token by line" "Standoff", as you call it, also called "...
Sir Cornflakes's user avatar

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