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The technique of Cross-Lingual Word Embedding (CLWE) plays a fundamental role in tackling Natural Language Processing challenges for low-resource languages. Its dominant approaches assumed that the relationship between embeddings could be…

Computation and Language · Computer Science 2022-06-14 Xutan Peng , Mark Stevenson , Chenghua Lin , Chen Li

Cross-Lingual Word Embeddings (CLWEs) encode words from two or more languages in a shared high-dimensional space in which vectors representing words with similar meaning (regardless of language) are closely located. Existing methods for…

Computation and Language · Computer Science 2022-01-25 Xutan Peng , Chenghua Lin , Mark Stevenson

Very low-resource languages, having only a few million tokens worth of data, are not well-supported by multilingual NLP approaches due to poor quality cross-lingual word representations. Recent work showed that good cross-lingual…

Computation and Language · Computer Science 2023-11-22 Viktor Hangya , Silvia Severini , Radoslav Ralev , Alexander Fraser , Hinrich Schütze

Multilingual Word Embeddings (MWEs) represent words from multiple languages in a single distributional vector space. Unsupervised MWE (UMWE) methods acquire multilingual embeddings without cross-lingual supervision, which is a significant…

Computation and Language · Computer Science 2018-09-07 Xilun Chen , Claire Cardie

The field of cross-lingual sentence embeddings has recently experienced significant advancements, but research concerning low-resource languages has lagged due to the scarcity of parallel corpora. This paper shows that cross-lingual word…

Computation and Language · Computer Science 2024-04-04 Zhongtao Miao , Qiyu Wu , Kaiyan Zhao , Zilong Wu , Yoshimasa Tsuruoka

Cross-lingual transfer of word embeddings aims to establish the semantic mappings among words in different languages by learning the transformation functions over the corresponding word embedding spaces. Successfully solving this problem…

Computation and Language · Computer Science 2018-09-12 Ruochen Xu , Yiming Yang , Naoki Otani , Yuexin Wu

Cross-lingual word embeddings (CLWE) have been proven useful in many cross-lingual tasks. However, most existing approaches to learn CLWE including the ones with contextual embeddings are sense agnostic. In this work, we propose a novel…

Computation and Language · Computer Science 2022-09-16 Linlin Liu , Thien Hai Nguyen , Shafiq Joty , Lidong Bing , Luo Si

Bilingual Word Embeddings (BWEs) are one of the cornerstones of cross-lingual transfer of NLP models. They can be built using only monolingual corpora without supervision leading to numerous works focusing on unsupervised BWEs. However,…

Computation and Language · Computer Science 2022-06-01 Silvia Severini , Viktor Hangya , Masoud Jalili Sabet , Alexander Fraser , Hinrich Schütze

Count-based word alignment methods, such as the IBM models or fast-align, struggle on very small parallel corpora. We therefore present an alternative approach based on cross-lingual word embeddings (CLWEs), which are trained on purely…

Computation and Language · Computer Science 2018-11-02 Nina Poerner , Masoud Jalili Sabet , Benjamin Roth , Hinrich Schütze

Good quality monolingual word embeddings (MWEs) can be built for languages which have large amounts of unlabeled text. MWEs can be aligned to bilingual spaces using only a few thousand word translation pairs. For low resource languages…

Computation and Language · Computer Science 2021-07-28 Tobias Eder , Viktor Hangya , Alexander Fraser

Cross-lingual word embeddings aim to bridge the gap between high-resource and low-resource languages by allowing to learn multilingual word representations even without using any direct bilingual signal. The lion's share of the methods are…

Computation and Language · Computer Science 2020-09-03 Magdalena Biesialska , Marta R. Costa-jussà

Recent efforts in cross-lingual word embedding (CLWE) learning have predominantly focused on fully unsupervised approaches that project monolingual embeddings into a shared cross-lingual space without any cross-lingual signal. The lack of…

Computation and Language · Computer Science 2019-09-05 Ivan Vulić , Goran Glavaš , Roi Reichart , Anna Korhonen

Unsupervised cross-lingual word embedding (CLWE) methods learn a linear transformation matrix that maps two monolingual embedding spaces that are separately trained with monolingual corpora. This method relies on the assumption that the two…

Computation and Language · Computer Science 2021-06-04 Sosuke Nishikawa , Ryokan Ri , Yoshimasa Tsuruoka

Recent advances in cross-lingual word embeddings have primarily relied on mapping-based methods, which project pretrained word embeddings from different languages into a shared space through a linear transformation. However, these…

Computation and Language · Computer Science 2020-05-04 Ali Sabet , Prakhar Gupta , Jean-Baptiste Cordonnier , Robert West , Martin Jaggi

Cross-lingual word embeddings transfer knowledge between languages: models trained on high-resource languages can predict in low-resource languages. We introduce CLIME, an interactive system to quickly refine cross-lingual word embeddings…

Computation and Language · Computer Science 2021-06-04 Michelle Yuan , Mozhi Zhang , Benjamin Van Durme , Leah Findlater , Jordan Boyd-Graber

Cross-lingual word embeddings (CLWE) underlie many multilingual natural language processing systems, often through orthogonal transformations of pre-trained monolingual embeddings. However, orthogonal mapping only works on language pairs…

Computation and Language · Computer Science 2019-11-12 Mozhi Zhang , Keyulu Xu , Ken-ichi Kawarabayashi , Stefanie Jegelka , Jordan Boyd-Graber

Despite advances in dependency parsing, languages with small treebanks still present challenges. We assess recent approaches to multilingual contextual word representations (CWRs), and compare them for crosslingual transfer from a language…

Computation and Language · Computer Science 2019-09-20 Phoebe Mulcaire , Jungo Kasai , Noah A. Smith

Acoustic word embeddings are fixed-dimensional representations of variable-length speech segments. Such embeddings can form the basis for speech search, indexing and discovery systems when conventional speech recognition is not possible. In…

Computation and Language · Computer Science 2021-02-08 Herman Kamper , Yevgen Matusevych , Sharon Goldwater

In this study, we investigate interaction-based neural matching models for ad-hoc cross-lingual information retrieval (CLIR) using cross-lingual word embeddings (CLWEs). With experiments conducted on the CLEF collection over four language…

Information Retrieval · Computer Science 2020-05-28 Puxuan Yu , James Allan

We construct a multilingual common semantic space based on distributional semantics, where words from multiple languages are projected into a shared space to enable knowledge and resource transfer across languages. Beyond word alignment, we…

Computation and Language · Computer Science 2018-04-24 Lifu Huang , Kyunghyun Cho , Boliang Zhang , Heng Ji , Kevin Knight
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