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Word embeddings, which represent a word as a point in a vector space, have become ubiquitous to several NLP tasks. A recent line of work uses bilingual (two languages) corpora to learn a different vector for each sense of a word, by…

计算与语言 · 计算机科学 2017-06-27 Shyam Upadhyay , Kai-Wei Chang , Matt Taddy , Adam Kalai , James Zou

Given multiple source word embeddings learnt using diverse algorithms and lexical resources, meta word embedding learning methods attempt to learn more accurate and wide-coverage word embeddings. Prior work on meta-embedding has repeatedly…

计算与语言 · 计算机科学 2022-04-27 Danushka Bollegala

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…

计算与语言 · 计算机科学 2018-04-24 Lifu Huang , Kyunghyun Cho , Boliang Zhang , Heng Ji , Kevin Knight

Acoustic word embeddings (AWEs) are fixed-dimensional representations of variable-length speech segments. For zero-resource languages where labelled data is not available, one AWE approach is to use unsupervised autoencoder-based recurrent…

计算与语言 · 计算机科学 2021-03-22 Christiaan Jacobs , Yevgen Matusevych , Herman Kamper

There has been an increasing interest in learning cross-lingual word embeddings to transfer knowledge obtained from a resource-rich language, such as English, to lower-resource languages for which annotated data is scarce, such as Turkish,…

计算与语言 · 计算机科学 2020-05-19 Elmurod Kuriyozov , Yerai Doval , Carlos Gómez-Rodríguez

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…

计算与语言 · 计算机科学 2022-09-16 Linlin Liu , Thien Hai Nguyen , Shafiq Joty , Lidong Bing , Luo Si

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…

计算与语言 · 计算机科学 2018-09-12 Ruochen Xu , Yiming Yang , Naoki Otani , Yuexin Wu

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…

计算与语言 · 计算机科学 2019-09-20 Zheng Zhang , Ruiqing Yin , Jun Zhu , Pierre Zweigenbaum

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…

计算与语言 · 计算机科学 2022-01-25 Xutan Peng , Chenghua Lin , Mark Stevenson

Crosslingual word embeddings represent lexical items from different languages in the same vector space, enabling transfer of NLP tools. However, previous attempts had expensive resource requirements, difficulty incorporating monolingual…

计算与语言 · 计算机科学 2016-07-01 Long Duong , Hiroshi Kanayama , Tengfei Ma , Steven Bird , Trevor Cohn

Most existing methods for automatic bilingual dictionary induction rely on prior alignments between the source and target languages, such as parallel corpora or seed dictionaries. For many language pairs, such supervised alignments are not…

计算与语言 · 计算机科学 2018-03-26 Hanan Aldarmaki , Mahesh Mohan , Mona Diab

Word embedding is a key component in many downstream applications in processing natural languages. Existing approaches often assume the existence of a large collection of text for learning effective word embedding. However, such a corpus…

计算与语言 · 计算机科学 2018-05-10 Chao Jiang , Hsiang-Fu Yu , Cho-Jui Hsieh , Kai-Wei Chang

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…

计算与语言 · 计算机科学 2022-06-14 Xutan Peng , Mark Stevenson , Chenghua Lin , Chen Li

Cross-lingual word embeddings are becoming increasingly important in multilingual NLP. Recently, it has been shown that these embeddings can be effectively learned by aligning two disjoint monolingual vector spaces through linear…

计算与语言 · 计算机科学 2018-08-28 Yerai Doval , Jose Camacho-Collados , Luis Espinosa-Anke , Steven Schockaert

There has been significant interest recently in learning multilingual word embeddings -- in which semantically similar words across languages have similar embeddings. State-of-the-art approaches have relied on expensive labeled data, which…

计算与语言 · 计算机科学 2020-07-02 Karan Singhal , Karthik Raman , Balder ten Cate

Cross-lingual embeddings aim to represent words in multiple languages in a shared vector space by capturing semantic similarities across languages. They are a crucial component for scaling tasks to multiple languages by transferring…

计算与语言 · 计算机科学 2019-07-10 Lena Shakurova , Beata Nyari , Chao Li , Mihai Rotaru

A recent research line has obtained strong results on bilingual lexicon induction by aligning independently trained word embeddings in two languages and using the resulting cross-lingual embeddings to induce word translation pairs through…

计算与语言 · 计算机科学 2021-12-28 Mikel Artetxe , Gorka Labaka , Eneko Agirre

Recent research on cross-lingual word embeddings has been dominated by unsupervised mapping approaches that align monolingual embeddings. Such methods critically rely on those embeddings having a similar structure, but it was recently shown…

计算与语言 · 计算机科学 2021-12-28 Aitor Ormazabal , Mikel Artetxe , Aitor Soroa , Gorka Labaka , Eneko Agirre

Sentiment analysis in low-resource languages suffers from a lack of annotated corpora to estimate high-performing models. Machine translation and bilingual word embeddings provide some relief through cross-lingual sentiment approaches.…

计算与语言 · 计算机科学 2018-05-24 Jeremy Barnes , Roman Klinger , Sabine Schulte im Walde

Recent studies have introduced methods for learning acoustic word embeddings (AWEs)---fixed-size vector representations of words which encode their acoustic features. Despite the widespread use of AWEs in speech processing research, they…

计算与语言 · 计算机科学 2020-04-06 Yevgen Matusevych , Herman Kamper , Sharon Goldwater