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Updating Pre-trained Word Vectors and Text Classifiers using Monolingual Alignment

2019-10-14 16:19:20
Piotr Bojanowski, Onur Celebi, Tomas Mikolov, Edouard Grave, Armand Joulin

Abstract

In this paper, we focus on the problem of adapting word vector-based models to new textual data. Given a model pre-trained on large reference data, how can we adapt it to a smaller piece of data with a slightly different language distribution? We frame the adaptation problem as a monolingual word vector alignment problem, and simply average models after alignment. We align vectors using the RCSLS criterion. Our formulation results in a simple and efficient algorithm that allows adapting general-purpose models to changing word distributions. In our evaluation, we consider applications to word embedding and text classification models. We show that the proposed approach yields good performance in all setups and outperforms a baseline consisting in fine-tuning the model on new data.

Abstract (translated)

URL

https://arxiv.org/abs/1910.06241

PDF

https://arxiv.org/pdf/1910.06241.pdf


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