Boot-strapping language identifiers for short colloquial postings

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Boot-strapping language identifiers for short colloquial postings is a 2013 conference paper written in English by Goldszmidt M., Najork M., Paparizos S. and published in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics).

[edit] Abstract

There is tremendous interest in mining the abundant user generated content on the web. Many analysis techniques are language dependent and rely on accurate language identification as a building block. Even though there is already research on language identification, it focused on very 'clean' editorially managed corpora, on a limited number of languages, and on relatively large-sized documents. These are not the characteristics of the content to be found in say, Twitter or Facebook postings, which are short and riddled with vernacular. In this paper, we propose an automated, unsupervised, scalable solution based on publicly available data. To this end we thoroughly evaluate the use of Wikipedia to build language identifiers for a large number of languages (52) and a large corpus and conduct a large scale study of the best-known algorithms for automated language identification, quantifying how accuracy varies in correlation to document size, language (model) profile size and number of languages tested. Then, we show the value in using Wikipedia to train a language identifier directly applicable to Twitter. Finally, we augment the language models and customize them to Twitter by combining our Wikipedia models with location information from tweets. This method provides massive amount of automatically labeled data that act as a bootstrapping mechanism which we empirically show boosts the accuracy of the models. With this work we provide a guide and a publicly available tool [1] to the mining community for language identification on web and social data.

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