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It is intuitive that semantic representations can be useful for machine translation, mainly because they can help in enforcing meaning preservation and handling data sparsity (many sentences correspond to one meaning) of machine translation…

Computation and Language · Computer Science 2019-06-07 Linfeng Song , Daniel Gildea , Yue Zhang , Zhiguo Wang , Jinsong Su

In neural machine translation (NMT), it is has become standard to translate using subword units to allow for an open vocabulary and improve accuracy on infrequent words. Byte-pair encoding (BPE) and its variants are the predominant approach…

Computation and Language · Computer Science 2018-10-23 Elizabeth Salesky , Andrew Runge , Alex Coda , Jan Niehues , Graham Neubig

Machine translation (MT) is an area of study in Natural Language processing which deals with the automatic translation of human language, from one language to another by the computer. Having a rich research history spanning nearly three…

Computation and Language · Computer Science 2018-12-12 Siddhant Srivastava , Anupam Shukla , Ritu Tiwari

Theoretical work in morphological typology offers the possibility of measuring morphological diversity on a continuous scale. However, literature in Natural Language Processing (NLP) typically labels a whole language with a strict type of…

Computation and Language · Computer Science 2022-05-09 Arturo Oncevay , Duygu Ataman , Niels van Berkel , Barry Haddow , Alexandra Birch , Johannes Bjerva

Recent studies on direct speech translation show continuous improvements by means of data augmentation techniques and bigger deep learning models. While these methods are helping to close the gap between this new approach and the more…

Computation and Language · Computer Science 2020-09-11 Mattia Antonino Di Gangi , Marco Gaido , Matteo Negri , Marco Turchi

Language models typically tokenize text into subwords, using a deterministic, hand-engineered heuristic of combining characters into longer surface-level strings such as 'ing' or whole words. Recent literature has repeatedly shown the…

Computation and Language · Computer Science 2023-10-19 Avijit Thawani , Saurabh Ghanekar , Xiaoyuan Zhu , Jay Pujara

We test the natural expectation that using MT in professional translation saves human processing time. The last such study was carried out by Sanchez-Torron and Koehn (2016) with phrase-based MT, artificially reducing the translation…

Computation and Language · Computer Science 2021-09-13 Vilém Zouhar , Aleš Tamchyna , Martin Popel , Ondřej Bojar

In this paper, we try to understand neural machine translation (NMT) via simplifying NMT architectures and training encoder-free NMT models. In an encoder-free model, the sums of word embeddings and positional embeddings represent the…

Computation and Language · Computer Science 2019-07-19 Gongbo Tang , Rico Sennrich , Joakim Nivre

Neural machine translation represents an exciting leap forward in translation quality. But what longstanding weaknesses does it resolve, and which remain? We address these questions with a challenge set approach to translation evaluation…

Computation and Language · Computer Science 2017-08-30 Pierre Isabelle , Colin Cherry , George Foster

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…

Computation and Language · Computer Science 2015-06-02 Minh-Thang Luong , Ilya Sutskever , Quoc V. Le , Oriol Vinyals , Wojciech Zaremba

In typical neural machine translation~(NMT), the decoder generates a sentence word by word, packing all linguistic granularities in the same time-scale of RNN. In this paper, we propose a new type of decoder for NMT, which splits the decode…

Computation and Language · Computer Science 2017-05-04 Hao Zhou , Zhaopeng Tu , Shujian Huang , Xiaohua Liu , Hang Li , Jiajun Chen

In simultaneous machine translation, the objective is to determine when to produce a partial translation given a continuous stream of source words, with a trade-off between latency and quality. We propose a neural machine translation (NMT)…

Computation and Language · Computer Science 2020-06-01 Patrick Wilken , Tamer Alkhouli , Evgeny Matusov , Pavel Golik

Sentence splitting is a major simplification operator. Here we present a simple and efficient splitting algorithm based on an automatic semantic parser. After splitting, the text is amenable for further fine-tuned simplification operations.…

Computation and Language · Computer Science 2018-10-12 Elior Sulem , Omri Abend , Ari Rappoport

We present a new approach for neural machine translation (NMT) using the morphological and grammatical decomposition of the words (factors) in the output side of the neural network. This architecture addresses two main problems occurring in…

Computation and Language · Computer Science 2017-12-07 Mercedes García-Martínez , Loïc Barrault , Fethi Bougares

In Neural Machine Translation (NMT) the usage of subwords and characters as source and target units offers a simple and flexible solution for translation of rare and unseen words. However, selecting the optimal subword segmentation involves…

Computation and Language · Computer Science 2019-10-29 Tejas Srinivasan , Ramon Sanabria , Florian Metze

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…

Computation and Language · Computer Science 2019-04-26 Nicholas Ruiz , Mattia Antonino Di Gangi , Nicola Bertoldi , Marcello Federico

Subword tokenization is a common method for vocabulary building in Neural Machine Translation (NMT) models. However, increasingly complex tasks have revealed its disadvantages. First, a vocabulary cannot be modified once it is learned,…

Computation and Language · Computer Science 2024-08-13 Langlin Huang , Yang Feng

Since traditional tokenizers are isolated from a downstream task and model, they cannot output an appropriate tokenization depending on the task and model, although recent studies imply that the appropriate tokenization improves the…

Computation and Language · Computer Science 2021-05-27 Tatsuya Hiraoka , Sho Takase , Kei Uchiumi , Atsushi Keyaki , Naoaki Okazaki

Translating in real-time, a.k.a. simultaneous translation, outputs translation words before the input sentence ends, which is a challenging problem for conventional machine translation methods. We propose a neural machine translation (NMT)…

Computation and Language · Computer Science 2017-01-12 Jiatao Gu , Graham Neubig , Kyunghyun Cho , Victor O. K. Li

Confidence calibration, which aims to make model predictions equal to the true correctness measures, is important for neural machine translation (NMT) because it is able to offer useful indicators of translation errors in the generated…

Computation and Language · Computer Science 2020-05-05 Shuo Wang , Zhaopeng Tu , Shuming Shi , Yang Liu