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The ability to fuse sentences is highly attractive for summarization systems because it is an essential step to produce succinct abstracts. However, to date, summarizers can fail on fusing sentences. They tend to produce few summary…

Computation and Language · Computer Science 2020-10-09 Logan Lebanoff , Franck Dernoncourt , Doo Soon Kim , Lidan Wang , Walter Chang , Fei Liu

Context-aware Machine Translation aims to improve translations of sentences by incorporating surrounding sentences as context. Towards this task, two main architectures have been applied, namely single-encoder (based on concatenation) and…

Computation and Language · Computer Science 2024-02-05 Paweł Mąka , Yusuf Can Semerci , Jan Scholtes , Gerasimos Spanakis

Existing methods to measure sentence similarity are faced with two challenges: (1) labeled datasets are usually limited in size, making them insufficient to train supervised neural models; (2) there is a training-test gap for unsupervised…

Computation and Language · Computer Science 2022-02-01 Xiaofei Sun , Yuxian Meng , Xiang Ao , Fei Wu , Tianwei Zhang , Jiwei Li , Chun Fan

We study the influence of context on sentence acceptability. First we compare the acceptability ratings of sentences judged in isolation, with a relevant context, and with an irrelevant context. Our results show that context induces a…

Computation and Language · Computer Science 2020-04-03 Jey Han Lau , Carlos S. Armendariz , Shalom Lappin , Matthew Purver , Chang Shu

Open-domain retrieval-based dialogue systems require a considerable amount of training data to learn their parameters. However, in practice, the negative samples of training data are usually selected from an unannotated conversation data…

Computation and Language · Computer Science 2020-02-19 Kun Zhou , Wayne Xin Zhao , Yutao Zhu , Ji-Rong Wen , Jingsong Yu

In encoder-decoder neural models, multiple encoders are in general used to represent the contextual information in addition to the individual sentence. In this paper, we investigate multi-encoder approaches in documentlevel neural machine…

Computation and Language · Computer Science 2020-05-19 Bei Li , Hui Liu , Ziyang Wang , Yufan Jiang , Tong Xiao , Jingbo Zhu , Tongran Liu , Changliang Li

For machine translation to tackle discourse phenomena, models must have access to extra-sentential linguistic context. There has been recent interest in modelling context in neural machine translation (NMT), but models have been principally…

Computation and Language · Computer Science 2018-04-23 Rachel Bawden , Rico Sennrich , Alexandra Birch , Barry Haddow

In this paper, we define and study a new task called Context-Aware Semantic Expansion (CASE). Given a seed term in a sentential context, we aim to suggest other terms that well fit the context as the seed. CASE has many interesting…

Computation and Language · Computer Science 2020-01-01 Jialong Han , Aixin Sun , Haisong Zhang , Chenliang Li , Shuming Shi

As research on machine translation moves to translating text beyond the sentence level, it remains unclear how effective automatic evaluation metrics are at scoring longer translations. In this work, we first propose a method for creating…

Computation and Language · Computer Science 2023-08-29 Daniel Deutsch , Juraj Juraska , Mara Finkelstein , Markus Freitag

In recent years, several studies on neural machine translation (NMT) have attempted to use document-level context by using a multi-encoder and two attention mechanisms to read the current and previous sentences to incorporate the context of…

Computation and Language · Computer Science 2019-09-04 Hayahide Yamagishi , Mamoru Komachi

We conduct two experiments to study the effect of context on metaphor paraphrase aptness judgments. The first is an AMT crowd source task in which speakers rank metaphor paraphrase candidate sentence pairs in short document contexts for…

Computation and Language · Computer Science 2018-09-05 Yuri Bizzoni , Shalom Lappin

Measuring the similarity between two different sentential arguments is an important task in argument mining. However, one of the challenges in this field is that the dataset must be annotated using expertise in a variety of topics, making…

Computation and Language · Computer Science 2021-02-22 ChaeHun Park , Sangwoo Seo

We propose a neural machine translation architecture that models the surrounding text in addition to the source sentence. These models lead to better performance, both in terms of general translation quality and pronoun prediction, when…

Machine Learning · Statistics 2017-04-19 Sebastien Jean , Stanislas Lauly , Orhan Firat , Kyunghyun Cho

This paper addresses the problem of classifying observations when features are context-sensitive, especially when the testing set involves a context that is different from the training set. The paper begins with a precise definition of the…

Machine Learning · Computer Science 2007-05-23 Peter D. Turney

This paper presents a multilingual study of word meaning representations in context. We assess the ability of both static and contextualized models to adequately represent different lexical-semantic relations, such as homonymy and synonymy.…

Computation and Language · Computer Science 2021-06-30 Marcos Garcia

In this work, we present a novel counter-fitting method which injects antonymy and synonymy constraints into vector space representations in order to improve the vectors' capability for judging semantic similarity. Applying this method to…

Sensitising language models (LMs) to external context helps them to more effectively capture the speaking patterns of individuals with specific characteristics or in particular environments. This work investigates to what extent rich…

Computation and Language · Computer Science 2024-03-06 Sebastian Vincent , Alice Dowek , Rowanne Sumner , Charlotte Blundell , Emily Preston , Chris Bayliss , Chris Oakley , Carolina Scarton

Context of data points, which is usually defined as the other data points in a data set, has been found to play important roles in data representation and classification. In this paper, we study the problem of using context of a data point…

Machine Learning · Computer Science 2015-08-19 Xuejie Liu , Jingbin Wang , Ming Yin , Benjamin Edwards , Peijuan Xu

Recent work in cross-lingual contextual word embedding learning cannot handle multi-sense words well. In this work, we explore the characteristics of contextual word embeddings and show the link between contextual word embeddings and word…

Computation and Language · Computer Science 2019-09-20 Zheng Zhang , Ruiqing Yin , Jun Zhu , Pierre Zweigenbaum

Many of the kinds of language model used in speech understanding suffer from imperfect modeling of intra-sentential contextual influences. I argue that this problem can be addressed by clustering the sentences in a training corpus…

cmp-lg · Computer Science 2008-02-03 David Carter