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Language identification of documents and queries

Language identification of documents and queries

This video was recorded at 6th Russian Summer School in Information Retrieval (RuSSIR), Yaroslavl 2012. Language identification is a relatively simple and well-solved task. In the talk, I will give an overview of existing standard techniques, and discuss their application to two text types: crawled Web documents and user search queries. Both present specific challenges: - for Web documents - multilinguality, genre variability; - for queries - they are just too short for reliable attribution: hence the need for extra data (user context) to resolve potential ambiguity. I will talk about Yandex endeavours to cope with all that.

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