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Although contextualized embeddings generated from large-scale pre-trained models perform well in many tasks, traditional static embeddings (e.g., Skip-gram, Word2Vec) still play an important role in low-resource and lightweight settings due…

Computation and Language · Computer Science 2023-03-24 Jiangbin Zheng , Yile Wang , Ge Wang , Jun Xia , Yufei Huang , Guojiang Zhao , Yue Zhang , Stan Z. Li

Contextual word embeddings obtained from pre-trained language model (PLM) have proven effective for various natural language processing tasks at the word level. However, interpreting the hidden aspects within embeddings, such as syntax and…

Computation and Language · Computer Science 2023-10-10 Nayoung Choi

We present Charagram embeddings, a simple approach for learning character-based compositional models to embed textual sequences. A word or sentence is represented using a character n-gram count vector, followed by a single nonlinear…

Computation and Language · Computer Science 2016-07-12 John Wieting , Mohit Bansal , Kevin Gimpel , Karen Livescu

We propose two methods of learning vector representations of words and phrases that each combine sentence context with structural features extracted from dependency trees. Using several variations of neural network classifier, we show that…

Computation and Language · Computer Science 2015-11-20 James Cross , Bing Xiang , Bowen Zhou

Gender bias is highly impacting natural language processing applications. Word embeddings have clearly been proven both to keep and amplify gender biases that are present in current data sources. Recently, contextualized word embeddings…

Computation and Language · Computer Science 2019-04-19 Christine Basta , Marta R. Costa-jussà , Noe Casas

Contextualized word representations are able to give different representations for the same word in different contexts, and they have been shown to be effective in downstream natural language processing tasks, such as question answering,…

Computation and Language · Computer Science 2020-01-01 Christian Hadiwinoto , Hwee Tou Ng , Wee Chung Gan

We approach the problem of generalizing pre-trained word embeddings beyond fixed-size vocabularies without using additional contextual information. We propose a subword-level word vector generation model that views words as bags of…

Computation and Language · Computer Science 2018-09-13 Jinman Zhao , Sidharth Mudgal , Yingyu Liang

Word embedding is designed to represent the semantic meaning of a word with low dimensional vectors. The state-of-the-art methods of learning word embeddings (word2vec and GloVe) only use the word co-occurrence information. The learned…

Computation and Language · Computer Science 2018-09-11 Ruixuan Luo

An important step in understanding how children acquire languages is studying how infants learn word segmentation. It has been established in previous research that infants may use statistical regularities in speech to learn word…

Computation and Language · Computer Science 2025-03-14 Stephanie Hu , Xiaolu Guo

There have been some works that learn a lexicon together with the corpus to improve the word embeddings. However, they either model the lexicon separately but update the neural networks for both the corpus and the lexicon by the same…

Computation and Language · Computer Science 2017-07-25 Yuanzhi Ke , Masafumi Hagiwara

Pretraining deep language models has led to large performance gains in NLP. Despite this success, Schick and Sch\"utze (2020) recently showed that these models struggle to understand rare words. For static word embeddings, this problem has…

Computation and Language · Computer Science 2020-04-30 Timo Schick , Hinrich Schütze

Word embeddings are a key component of high-performing natural language processing (NLP) systems, but it remains a challenge to learn good representations for novel words on the fly, i.e., for words that did not occur in the training data.…

Computation and Language · Computer Science 2018-11-12 Timo Schick , Hinrich Schütze

We introduce second-order vector representations of words, induced from nearest neighborhood topological features in pre-trained contextual word embeddings. We then analyze the effects of using second-order embeddings as input features in…

Computation and Language · Computer Science 2017-05-25 Denis Newman-Griffis , Eric Fosler-Lussier

We propose a new kind of embedding for natural language text that deeply represents semantic meaning. Standard text embeddings use the outputs from hidden layers of a pretrained language model. In our method, we let a language model learn…

Computation and Language · Computer Science 2022-11-22 Oleg Vasilyev , John Bohannon

The performance of Neural Machine Translation (NMT) systems often suffers in low-resource scenarios where sufficiently large-scale parallel corpora cannot be obtained. Pre-trained word embeddings have proven to be invaluable for improving…

Computation and Language · Computer Science 2018-04-19 Ye Qi , Devendra Singh Sachan , Matthieu Felix , Sarguna Janani Padmanabhan , Graham Neubig

Pitch accent detection often makes use of both acoustic and lexical features based on the fact that pitch accents tend to correlate with certain words. In this paper, we extend a pitch accent detector that involves a convolutional neural…

Computation and Language · Computer Science 2018-06-08 Sabrina Stehwien , Ngoc Thang Vu , Antje Schweitzer

We present a novel learning method for word embeddings designed for relation classification. Our word embeddings are trained by predicting words between noun pairs using lexical relation-specific features on a large unlabeled corpus. This…

Computation and Language · Computer Science 2015-06-23 Kazuma Hashimoto , Pontus Stenetorp , Makoto Miwa , Yoshimasa Tsuruoka

Word embeddings trained on large corpora have shown to encode high levels of unfair discriminatory gender, racial, religious and ethnic biases. In contrast, human-written dictionaries describe the meanings of words in a concise, objective…

Computation and Language · Computer Science 2021-01-26 Masahiro Kaneko , Danushka Bollegala

Many Natural Language Processing applications nowadays rely on pre-trained word representations estimated from large text corpora such as news collections, Wikipedia and Web Crawl. In this paper, we show how to train high-quality word…

Computation and Language · Computer Science 2017-12-29 Tomas Mikolov , Edouard Grave , Piotr Bojanowski , Christian Puhrsch , Armand Joulin

Distributed word representations have been demonstrated to be effective in capturing semantic and syntactic regularities. Unsupervised representation learning from large unlabeled corpora can learn similar representations for those words…

Computation and Language · Computer Science 2015-12-01 Chunting Zhou , Chonglin Sun , Zhiyuan Liu , Francis C. M. Lau