Category Archives: NLP

Short Text Language Detection with Infinity-Gram

I talked about language detection (language identification) for twitter at NAIST(NARA Institute of Science and Technology). This is its slide. Tweets are too short to detect their languages precisely. I guess that one reason is because features extracted from a … Continue reading

Posted in Language Detection, NLP | 24 Comments

[Karger+ NIPS11] Iterative Learning for Reliable Crowdsourcing Systems

In April 2012, We held a private reading meeting for NIPS 2011. I read “Iterative Learning for Reliable Crowdsourcing Systems” [Karger+ NIPS11]. [Karger+ NIPS11] Iterative Learning for Reliable Crowdsourcing Systems View more presentations from Shuyo Nakatani This paper targets Amazon … Continue reading

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[Freedman+ EMNLP11] Extreme Extraction – Machine Reading in a Week

In December 2011, We held a private reading meeting for EMNLP 2011. I read “Extreme Extraction – Machine Reading in a Week” [Freedman+ EMNLP11]. Extreme Extraction – Machine Reading in a Week View more presentations from Shuyo Nakatani This paper … Continue reading

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Estimation of ldig (twitter Language Detection) for LIGA dataset

LIGA[Tromp+ 11] is a twitter language detection for 6 languages (German, English, Spanish, French, Italian and Dutch). It uses a graph with 3-grams for long distance features and detects 95-98% accuracy. They open their dataset here which has 9066 tweets, … Continue reading

Posted in Language Detection, NLP, twitter | 2 Comments

Precision and Recall of ldig (twitter language detection)

In the previous article, I introduced ldig (Language Detection with Infinity-Gram: site, blog), which detects tweet languages. There are some requests to tell ldig’s precision and recall, so I calculated them. lang size detected correct precision recall cs 5329 5330 … Continue reading

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Language Detection for twitter with 99.1% Accuracy

I released a newer prototype of Language Detection ( Language Identification ) with Infinity-Gram (ldig), a language detection prototype for twitter. https://github.com/shuyo/ldig It detects tweets in 17 languages with 99.1% accuracy (Czech, Dannish, German, English, Spanish, Finnish, French, Indonesian, Italian, … Continue reading

Posted in Language Detection, NLP, Python | 25 Comments

language-detection supported 17 language profiles for short messages

language-detection( http://code.google.com/p/language-detection/ , langdetect) supported newly 17 language detection generated from twitter corpus. These are published at trunk of langdetect repository (which will be packaged sooner or later). http://code.google.com/p/language-detection/source/browse/#svn%2Ftrunk%2Fprofiles.sm Those 17 languages are as the below. cs : Czech da … Continue reading

Posted in Language Detection, NLP | 3 Comments