Poster

RETVec: Resilient and Efficient Text Vectorizer

Elie Bursztein · Marina Zhang · Owen Vallis · XINYU JIA · Alexey Kurakin

Great Hall & Hall B1+B2 (level 1) #1105
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Thu 14 Dec 8:45 a.m. PST — 10:45 a.m. PST

Abstract:

This paper describes RETVec, an efficient, resilient, and multilingual text vectorizer designed for neural-based text processing. RETVec combines a novel character encoding with an optional small embedding model to embed words into a 256-dimensional vector space. The RETVec embedding model is pre-trained using pair-wise metric learning to be robust against typos and character-level adversarial attacks. In this paper, we evaluate and compare RETVec to state-of-the-art vectorizers and word embeddings on popular model architectures and datasets. These comparisons demonstrate that RETVec leads to competitive, multilingual models that are significantly more resilient to typos and adversarial text attacks. RETVec is available under the Apache 2 license at https://github.com/google-research/retvec.

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