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One of the significant challenges of Machine Translation (MT) is the scarcity of large amounts of data, mainly parallel sentence aligned corpora. If the evaluation is as rigorous as resource-rich languages, both Neural Machine Translation…

计算与语言 · 计算机科学 2023-03-06 Amit Kumar , Rupjyoti Baruah , Ajay Pratap , Mayank Swarnkar , Anil Kumar Singh

This work develops a rate-distortion-based approach to stochastic Chase decoding of algebraic codes over binary memoryless symmetric (BMS) channels, replacing the heuristics traditionally used to determine flip probabilities with…

信息论 · 计算机科学 2026-05-20 Amit Berman , Ariel Doubchak , Uri Erez , Tal Philosof , Ilya Shapir

Training data for NLP tasks often exhibits gender bias in that fewer sentences refer to women than to men. In Neural Machine Translation (NMT) gender bias has been shown to reduce translation quality, particularly when the target language…

计算与语言 · 计算机科学 2020-07-10 Danielle Saunders , Bill Byrne

We develop the first approximate inference algorithm for 1-Best (and M-Best) decoding in bidirectional neural sequence models by extending Beam Search (BS) to reason about both forward and backward time dependencies. Beam Search (BS) is a…

计算机视觉与模式识别 · 计算机科学 2017-05-25 Qing Sun , Stefan Lee , Dhruv Batra

Machine translation systems are conventionally trained on textual resources that do not model phenomena that occur in spoken language. While the evaluation of neural machine translation systems on textual inputs is actively researched in…

计算与语言 · 计算机科学 2019-04-26 Nicholas Ruiz , Mattia Antonino Di Gangi , Nicola Bertoldi , Marcello Federico

The discrepancy between maximum likelihood estimation (MLE) and task measures such as BLEU score has been studied before for autoregressive neural machine translation (NMT) and resulted in alternative training algorithms (Ranzato et al.,…

计算与语言 · 计算机科学 2021-09-22 Sumanta Bhattacharyya , Amirmohammad Rooshenas , Subhajit Naskar , Simeng Sun , Mohit Iyyer , Andrew McCallum

Non-autoregressive (nAR) models for machine translation (MT) manifest superior decoding speed when compared to autoregressive (AR) models, at the expense of impaired fluency of their outputs. We improve the fluency of a nAR model with…

计算与语言 · 计算机科学 2020-04-08 Zdeněk Kasner , Jindřich Libovický , Jindřich Helcl

Recent research in neural machine translation has largely focused on two aspects; neural network architectures and end-to-end learning algorithms. The problem of decoding, however, has received relatively little attention from the research…

计算与语言 · 计算机科学 2017-02-09 Jiatao Gu , Kyunghyun Cho , Victor O. K. Li

Recent advancements in massively multilingual machine translation systems have significantly enhanced translation accuracy; however, even the best performing systems still generate hallucinations, severely impacting user trust. Detecting…

k-nearest-neighbor machine translation (NN-MT), proposed by Khandelwal et al. (2021), has achieved many state-of-the-art results in machine translation tasks. Although effective, NN-MT requires conducting NN searches through the large…

计算与语言 · 计算机科学 2022-05-03 Zhixian Yang , Renliang Sun , Xiaojun Wan

Aligning language models (LMs) to human preferences has emerged as a critical pursuit, enabling these models to better serve diverse user needs. Existing methods primarily focus on optimizing LMs for a single reward function, limiting their…

机器学习 · 计算机科学 2024-10-29 Ruizhe Shi , Yifang Chen , Yushi Hu , Alisa Liu , Hannaneh Hajishirzi , Noah A. Smith , Simon S. Du

In this paper, we explore the usage of Word Embedding semantic resources for Information Retrieval (IR) task. This embedding, produced by a shallow neural network, have been shown to catch semantic similarities between words (Mikolov et…

信息检索 · 计算机科学 2018-01-12 Jibril Frej , Jean-Pierre Chevallet , Didier Schwab

Neural sequence models are widely used to model time-series data. Equally ubiquitous is the usage of beam search (BS) as an approximate inference algorithm to decode output sequences from these models. BS explores the search space in a…

MR fingerprinting (MRF) is a rapid growing approach for fast quantitave MRI. A typical drawback of dictionary-based MRF is its explosion in size as a function of the number of reconstructed parameters, according to the curse of…

Structured prediction tasks, like machine translation, involve learning functions that map structured inputs to structured outputs. Recurrent Neural Networks (RNNs) have historically been a popular choice for such tasks, including in…

计算与语言 · 计算机科学 2024-05-21 Chris Emezue

We conduct an empirical study of neural machine translation (NMT) for truly low-resource languages, and propose a training curriculum fit for cases when both parallel training data and compute resource are lacking, reflecting the reality of…

Neural Machine Translation (NMT) is a new approach to machine translation that has shown promising results that are comparable to traditional approaches. A significant weakness in conventional NMT systems is their inability to correctly…

计算与语言 · 计算机科学 2015-06-02 Minh-Thang Luong , Ilya Sutskever , Quoc V. Le , Oriol Vinyals , Wojciech Zaremba

Existing machine translation decoding algorithms generate translations in a strictly monotonic fashion and never revisit previous decisions. As a result, earlier mistakes cannot be corrected at a later stage. In this paper, we present a…

计算与语言 · 计算机科学 2018-04-17 Roman Novak , Michael Auli , David Grangier

Neural Machine Translation (NMT) models generally perform translation using a fixed-size lexical vocabulary, which is an important bottleneck on their generalization capability and overall translation quality. The standard approach to…

计算与语言 · 计算机科学 2019-10-22 Duygu Ataman , Orhan Firat , Mattia A. Di Gangi , Marcello Federico , Alexandra Birch

Previous studies have shown that initializing neural machine translation (NMT) models with the pre-trained language models (LM) can speed up the model training and boost the model performance. In this work, we identify a critical…

计算与语言 · 计算机科学 2021-07-20 Xuebo Liu , Longyue Wang , Derek F. Wong , Liang Ding , Lidia S. Chao , Shuming Shi , Zhaopeng Tu