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If the alignment was completely random, we would expect the precision to be around 0.0004. The precision denotes the probability that, of the 2500 target words in this set, the true translation was one of the top n nearest neighbours of the source word. For each language pair, we extract a set of 2500 word pairs from the test dictionary. So for example, if we wanted to translate "dog" into Swedish, we would simply find the Swedish word vector whose cosine similarity to the "dog" word vector is highest.įirst things first, let's test the translation performance from English into every other language. For simplicity we predict translations by nearest neighbours. To prove that the procedure works, we can predict the translations of words not seen in the training dictionary. Right, now prove that this procedure actually worked. To place all 78 languages in a single space, we align every language to the English vectors (the English matrix is the identity). Sometimes Google translates an English word to a non-English phrase, in these cases we average the word vectors contained in the phrase. It takes two sets of word vectors and a small bilingual dictionary of translation pairs in two languages and generates a matrix which aligns the source language with the target. We described the alignment procedure in this blog. We split this vocabulary in two, assigning the first 5000 words to the training dictionary, and the second 5000 to the test dictionary.
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We first obtained the 10,000 most common words in the English fastText vocabulary, and then use the API to translate these words into the 78 languages available. Of the 89 languages provided by Facebook, 78 are supported by the Google Translate API. Ok, so how did you obtain these matrices? This is good, since they both mean "cat". Turns out "chat" and "кот" are pretty similar after all. cosine_similarity( fr_dictionary, ru_dictionary)) Let's say we want to compare the similarity of "chat" and "кот". I'm going to assume you've downloaded the vectors for French and Russian in the text format.
#Babylon dictionary french to english download
ICLR 2017 (conference track) TLDR, just tell me what to do!Ĭlone a local copy of this repository, and download the fastText vectors you need from here.
#Babylon dictionary french to english Offline
Offline bilingual word vectors, orthogonal transformations and the inverted softmax If you would like to learn your own alignment matrices, we provide an example in align_your_own.ipynb. Note that since we released this repository Facebook have released an additional 204 languages however the word vectors of the original 90 languages have not changed, and the transformations provided in this repository will still work. To learn more about word embeddings, check out Colah's blog or Sam's introduction to vector representations. When you use the resulting multilingual vectors for monolingual tasks, they will perform exactly the same as the original vectors. The matrices in this repository place languages in a single space, without changing any of these monolingual similarity relationships. Word embeddings define the similarity between two words by the normalised inner product of their vectors. Our procedure relies on collecting bilingual training dictionaries of word pairs in two languages, but remarkably we are able to successfully predict the translations of words between language pairs for which we had no training dictionary! We also present a simple evaluation task, where we show we are able to successfully predict the translations of words in multiple languages.
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This readme explains how the matrices should be used. In this repository we provide 78 matrices, which can be used to align the majority of the fastText languages in a single space. In a recent paper at ICLR 2017, we showed how the SVD can be used to learn a linear transformation (a matrix), which aligns monolingual vectors from two languages in a single vector space. However these vectors are monolingual meaning that while similar words within a language share similar vectors, translation words from different languages do not have similar vectors. Aligning the fastText vectors of 78 languagesįacebook recently open-sourced word vectors in 89 languages.