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We introduce a data-centric hypothesis-testing framework to quantify the influence of sequentially correlated literary properties--such as thematic continuity--on textual classification tasks. Our method models label sequences as stochastic…

Computation and Language · Computer Science 2025-04-25 Gideon Yoffe , Nachum Dershowitz , Ariel Vishne , Barak Sober

Commonly-used transformer language models depend on a tokenization schema which sets an unchangeable subword vocabulary prior to pre-training, destined to be applied to all downstream tasks regardless of domain shift, novel word formations,…

Computation and Language · Computer Science 2021-08-03 Yuval Pinter , Amanda Stent , Mark Dredze , Jacob Eisenstein

Multilingual language models have shown decent performance in multilingual and cross-lingual natural language understanding tasks. However, the power of these multilingual models in code-switching tasks has not been fully explored. In this…

Computation and Language · Computer Science 2021-03-25 Genta Indra Winata , Samuel Cahyawijaya , Zihan Liu , Zhaojiang Lin , Andrea Madotto , Pascale Fung

In the last few years, many different methods have been focusing on using deep recurrent neural networks for natural language generation. The most widely used sequence-to-sequence neural methods are word-based: as such, they need a…

Machine Learning · Computer Science 2020-05-12 Marco Roberti , Giovanni Bonetta , Rossella Cancelliere , Patrick Gallinari

Natural Language Processing (NLP) systems commonly leverage bag-of-words co-occurrence techniques to capture semantic and syntactic word relationships. The resulting word-level distributed representations often ignore morphological…

Computation and Language · Computer Science 2015-06-12 Andrew Trask , David Gilmore , Matthew Russell

Sentence pair modeling is critical for many NLP tasks, such as paraphrase identification, semantic textual similarity, and natural language inference. Most state-of-the-art neural models for these tasks rely on pretrained word embedding and…

Computation and Language · Computer Science 2018-05-23 Wuwei Lan , Wei Xu

Lemmatization of standard languages is concerned with (i) abstracting over morphological differences and (ii) resolving token-lemma ambiguities of inflected words in order to map them to a dictionary headword. In the present paper we aim to…

Computation and Language · Computer Science 2019-03-19 Enrique Manjavacas , Ákos Kádár , Mike Kestemont

We propose Masker, an unsupervised text-editing method for style transfer. To tackle cases when no parallel source-target pairs are available, we train masked language models (MLMs) for both the source and the target domain. Then we find…

Computation and Language · Computer Science 2020-10-05 Eric Malmi , Aliaksei Severyn , Sascha Rothe

Spelling normalization for low resource languages is a challenging task because the patterns are hard to predict and large corpora are usually required to collect enough examples. This work shows a comparison of a neural model and character…

Computation and Language · Computer Science 2020-10-21 Yiyuan Li , Antonios Anastasopoulos , Alan W Black

The task of obfuscating writing style using sequence models has previously been investigated under the framework of obfuscation-by-transfer, where the input text is explicitly rewritten in another style. These approaches also often lead to…

Computation and Language · Computer Science 2018-05-21 Chris Emmery , Enrique Manjavacas , Grzegorz Chrupała

End-to-end speech-to-text translation can provide a simpler and smaller system but is facing the challenge of data scarcity. Pre-training methods can leverage unlabeled data and have been shown to be effective on data-scarce settings. In…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Anne Wu , Changhan Wang , Juan Pino , Jiatao Gu

Recently, sequence-to-sequence models with attention have been successfully applied in Text-to-speech (TTS). These models can generate near-human speech with a large accurately-transcribed speech corpus. However, preparing such a large…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Haitong Zhang , Yue Lin

Self-supervision based on the information extracted from large knowledge graphs has been shown to improve the generalization of language models, in zero-shot evaluation on various downstream language reasoning tasks. Since these…

Computation and Language · Computer Science 2022-05-24 Jiarui Zhang , Filip Ilievski , Kaixin Ma , Jonathan Francis , Alessandro Oltramari

This paper explores the use of Deep Learning methods for automatic estimation of quality of human translations. Automatic estimation can provide useful feedback for translation teaching, examination and quality control. Conventional methods…

Computation and Language · Computer Science 2020-03-16 Yu Yuan , Serge Sharoff

We combine character-level and contextual language model representations to improve performance on Discourse Representation Structure parsing. Character representations can easily be added in a sequence-to-sequence model in either one…

Computation and Language · Computer Science 2020-11-10 Rik van Noord , Antonio Toral , Johan Bos

Most pre-trained language models (PLMs) construct word representations at subword level with Byte-Pair Encoding (BPE) or its variations, by which OOV (out-of-vocab) words are almost avoidable. However, those methods split a word into…

Computation and Language · Computer Science 2021-05-17 Wentao Ma , Yiming Cui , Chenglei Si , Ting Liu , Shijin Wang , Guoping Hu

Pretrained character-level and byte-level language models have been shown to be competitive with popular subword models across a range of Natural Language Processing (NLP) tasks. However, there has been little research on their…

Computation and Language · Computer Science 2024-05-24 Lukas Edman , Gabriele Sarti , Antonio Toral , Gertjan van Noord , Arianna Bisazza

This paper studies the practicality of the current state-of-the-art unsupervised methods in neural machine translation (NMT). In ten translation tasks with various data settings, we analyze the conditions under which the unsupervised…

Computation and Language · Computer Science 2020-04-23 Yunsu Kim , Miguel Graça , Hermann Ney

Unsupervised style transfer aims to change the style of an input sentence while preserving its original content without using parallel training data. In current dominant approaches, owing to the lack of fine-grained control on the influence…

Computation and Language · Computer Science 2022-03-14 Chulun Zhou , Liangyu Chen , Jiachen Liu , Xinyan Xiao , Jinsong Su , Sheng Guo , Hua Wu

Most of the unsupervised dependency parsers are based on first-order probabilistic generative models that only consider local parent-child information. Inspired by second-order supervised dependency parsing, we proposed a second-order…

Computation and Language · Computer Science 2020-10-29 Songlin Yang , Yong Jiang , Wenjuan Han , Kewei Tu