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Related papers: Beyond Subtokens: A Rich Character Embedding for L…

200 papers

Language models typically tokenize text into subwords, using a deterministic, hand-engineered heuristic of combining characters into longer surface-level strings such as 'ing' or whole words. Recent literature has repeatedly shown the…

Computation and Language · Computer Science 2023-10-19 Avijit Thawani , Saurabh Ghanekar , Xiaoyuan Zhu , Jay Pujara

Unsupervised sentence embeddings task aims to convert sentences to semantic vector representations. Most previous works directly use the sentence representations derived from pretrained language models. However, due to the token bias in…

Computation and Language · Computer Science 2024-02-26 Junlong Liu , Xichen Shang , Huawen Feng , Junhao Zheng , Qianli Ma

This paper proposes Transducers with Pronunciation-aware Embeddings (PET). Unlike conventional Transducers where the decoder embeddings for different tokens are trained independently, the PET model's decoder embedding incorporates shared…

Computation and Language · Computer Science 2024-04-09 Hainan Xu , Zhehuai Chen , Fei Jia , Boris Ginsburg

While Large Language Models (LLMs) become ever more dominant, classic pre-trained word embeddings sustain their relevance through computational efficiency and nuanced linguistic interpretation. Drawing from recent studies demonstrating that…

Computation and Language · Computer Science 2023-11-21 Haoran Zhao , Jake Ryland Williams

We propose a methodology that adapts graph embedding techniques (DeepWalk (Perozzi et al., 2014) and node2vec (Grover and Leskovec, 2016)) as well as cross-lingual vector space mapping approaches (Least Squares and Canonical Correlation…

Computation and Language · Computer Science 2017-07-25 Victor Prokhorov , Mohammad Taher Pilehvar , Dimitri Kartsaklis , Pietro Lió , Nigel Collier

Word embeddings capture semantic relationships based on contextual information and are the basis for a wide variety of natural language processing applications. Notably these relationships are solely learned from the data and subsequently…

Computation and Language · Computer Science 2020-01-15 Stephanie Brandl , David Lassner , Maximilian Alber

Subword tokenization methods like Byte Pair Encoding (BPE) are widely used in large language models due to their balance of vocabulary compactness and representational power. However, they suffer from inefficiencies in representing rare…

Computation and Language · Computer Science 2025-10-20 Rares Dolga , Lucas Maystre , Tudor Berariu , David Barber

There has recently been much interest in extending vector-based word representations to multiple languages, such that words can be compared across languages. In this paper, we shift the focus from words to documents and introduce a method…

Computation and Language · Computer Science 2019-04-09 Martin Josifoski , Ivan S. Paskov , Hristo S. Paskov , Martin Jaggi , Robert West

While large multilingual automatic speech recognition (ASR) models achieve remarkable performance, the internal mechanisms of the end-to-end pipeline, particularly concerning fairness and efficacy across languages, remain underexplored.…

Computation and Language · Computer Science 2025-10-01 Siyu Liang , Nicolas Ballier , Gina-Anne Levow , Richard Wright

Despite remarkable advances in natural language processing, developing effective systems for low-resource languages remains a formidable challenge, with performances typically lagging far behind high-resource counterparts due to data…

Artificial Intelligence · Computer Science 2026-02-06 Subhadip Maji , Arnab Bhattacharya

Training monolingual language models for low and mid-resource languages is made challenging by limited and often inadequate pretraining data. In this study, we propose a novel model conversion strategy to address this issue, adapting…

Computation and Language · Computer Science 2023-10-06 François Remy , Pieter Delobelle , Bettina Berendt , Kris Demuynck , Thomas Demeester

Almost all existing machine translation models are built on top of character-based vocabularies: characters, subwords or words. Rare characters from noisy text or character-rich languages such as Japanese and Chinese however can…

Computation and Language · Computer Science 2019-12-09 Changhan Wang , Kyunghyun Cho , Jiatao Gu

Type- and token-based embedding architectures are still competing in lexical semantic change detection. The recent success of type-based models in SemEval-2020 Task 1 has raised the question why the success of token-based models on a…

Computation and Language · Computer Science 2021-03-15 Severin Laicher , Sinan Kurtyigit , Dominik Schlechtweg , Jonas Kuhn , Sabine Schulte im Walde

There are several domains that own corresponding widely used feature extractors, such as ResNet, BERT, and GPT-x. These models are usually pre-trained on large amounts of unlabeled data by self-supervision and can be effectively applied to…

Computation and Language · Computer Science 2021-01-19 Cheng Yi , Jianzhong Wang , Ning Cheng , Shiyu Zhou , Bo Xu

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

This project intends to study the image representation based on attention mechanism and multimodal data. By adding multiple pattern layers to the attribute model, the semantic and hidden layers of image content are integrated. The word…

Computation and Language · Computer Science 2024-06-14 Dan Sun , Yaxin Liang , Yining Yang , Yuhan Ma , Qishi Zhan , Erdi Gao

Translation into morphologically-rich languages challenges neural machine translation (NMT) models with extremely sparse vocabularies where atomic treatment of surface forms is unrealistic. This problem is typically addressed by either…

Computation and Language · Computer Science 2020-02-28 Duygu Ataman , Wilker Aziz , Alexandra Birch

Manually labelling large collections of text data is a time-consuming, expensive, and laborious task, but one that is necessary to support machine learning based on text datasets. Active learning has been shown to be an effective way to…

Computation and Language · Computer Science 2019-10-11 Jinghui Lu , Maeve Henchion , Brian Mac Namee

Morphologically rich languages accentuate two properties of distributional vector space models: 1) the difficulty of inducing accurate representations for low-frequency word forms; and 2) insensitivity to distinct lexical relations that…

Computation and Language · Computer Science 2017-06-02 Ivan Vulić , Nikola Mrkšić , Roi Reichart , Diarmuid Ó Séaghdha , Steve Young , Anna Korhonen

Dense vector representations for textual data are crucial in modern NLP. Word embeddings and sentence embeddings estimated from raw texts are key in achieving state-of-the-art results in various tasks requiring semantic understanding.…

Computation and Language · Computer Science 2023-07-06 Sonal Sannigrahi , Josef van Genabith , Cristina Espana-Bonet