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Designing effective automatic speech recognition (ASR) systems for Code-Switching (CS) often depends on the availability of the transcribed CS resources. To address data scarcity, this paper introduces Speech Collage, a method that…

Large language models (LLMs) exhibit remarkable multilingual capabilities despite the extreme language imbalance in the pre-training data. In this paper, we closely examine the reasons behind this phenomenon, focusing on the pre-training…

Computation and Language · Computer Science 2025-04-23 Zhijun Wang , Jiahuan Li , Hao Zhou , Rongxiang Weng , Jingang Wang , Xin Huang , Xue Han , Junlan Feng , Chao Deng , Shujian Huang

Code-switching (CS) speech refers to the phenomenon of mixing two or more languages within the same sentence. Despite the recent advances in automatic speech recognition (ASR), CS-ASR is still a challenging task ought to the grammatical…

Computation and Language · Computer Science 2023-10-23 Chen Chen , Yuchen Hu , Chao-Han Huck Yang , Hexin Liu , Sabato Marco Siniscalchi , Eng Siong Chng

Cross-lingual word alignment plays a crucial role in various natural language processing tasks, particularly for low-resource languages. Recent study proposes a BiLSTM-based encoder-decoder model that outperforms pre-trained language models…

Computation and Language · Computer Science 2024-07-09 Jingshen Zhang , Xinying Qiu , Teng Shen , Wenyu Wang , Kailin Zhang , Wenhe Feng

Context-aware neural machine translation (NMT) incorporates contextual information of surrounding texts, that can improve the translation quality of document-level machine translation. Many existing works on context-aware NMT have focused…

Computation and Language · Computer Science 2021-09-14 Yongkeun Hwang , Hyungu Yun , Kyomin Jung

We present UNSEE: Unsupervised Non-Contrastive Sentence Embeddings, a novel approach that outperforms SimCSE in the Massive Text Embedding benchmark. Our exploration begins by addressing the challenge of representation collapse, a…

Computation and Language · Computer Science 2024-02-05 Ömer Veysel Çağatan

The lack of labeled data is a major obstacle to learning high-quality sentence embeddings. Recently, self-supervised contrastive learning (SCL) is regarded as a promising way to address this problem. However, the existing works mainly rely…

Computation and Language · Computer Science 2022-03-01 Junhan Yang , Zheng Liu , Shitao Xiao , Jianxun Lian , Lijun Wu , Defu Lian , Guangzhong Sun , Xing Xie

This paper presents miCSE, a mutual information-based contrastive learning framework that significantly advances the state-of-the-art in few-shot sentence embedding. The proposed approach imposes alignment between the attention pattern of…

Computation and Language · Computer Science 2023-05-24 Tassilo Klein , Moin Nabi

Unsupervised sentence embeddings learning has been recently dominated by contrastive learning methods (e.g., SimCSE), which keep positive pairs similar and push negative pairs apart. The contrast operation aims to keep as much information…

Computation and Language · Computer Science 2022-09-23 Shaobin Chen , Jie Zhou , Yuling Sun , Liang He

Code-switching (CS) speech translation (ST) aims to translate speech that alternates between multiple languages into a target language text, posing significant challenges due to the complexity of semantic modeling and the scarcity of CS…

Computation and Language · Computer Science 2026-05-13 Yan Gao , Yazheng Yang , Zhibin Lan , Yidong Chen , Min Zhang , Daimeng Wei , Derek F. Wong , Jinsong Su

Contrastive representation learning has proven to be an effective self-supervised learning method. Most successful approaches are based on Noise Contrastive Estimation (NCE) and use different views of an instance as positives that should be…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Julien Denize , Jaonary Rabarisoa , Astrid Orcesi , Romain Hérault , Stéphane Canu

Code-switching is a prevalent linguistic phenomenon in which multilingual individuals seamlessly alternate between languages. Despite its widespread use online and recent research trends in this area, research in code-switching presents…

Computation and Language · Computer Science 2024-05-08 Frances A. Laureano De Leon , Harish Tayyar Madabushi , Mark Lee

Training code-switched language models is difficult due to lack of data and complexity in the grammatical structure. Linguistic constraint theories have been used for decades to generate artificial code-switching sentences to cope with this…

Computation and Language · Computer Science 2019-09-19 Genta Indra Winata , Andrea Madotto , Chien-Sheng Wu , Pascale Fung

One of the things that need to change when it comes to machine translation is the models' ability to translate code-switching content, especially with the rise of social media and user-generated content. In this paper, we are proposing a…

Computation and Language · Computer Science 2023-09-12 Mohamed Anwar

The evaluation of cross-lingual semantic search models is often limited to existing datasets from tasks such as information retrieval and semantic textual similarity. We introduce Cross-Lingual Semantic Discrimination (CLSD), a lightweight…

Computation and Language · Computer Science 2025-10-10 Andrianos Michail , Simon Clematide , Rico Sennrich

The enhancement of unsupervised learning of sentence representations has been significantly achieved by the utility of contrastive learning. This approach clusters the augmented positive instance with the anchor instance to create a desired…

Computation and Language · Computer Science 2023-10-11 Qingfa Xiao , Shuangyin Li , Lei Chen

State-of-the-art pre-trained image models predominantly adopt a two-stage approach: initial unsupervised pre-training on large-scale datasets followed by task-specific fine-tuning using Cross-Entropy loss~(CE). However, it has been…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Zijun Long , George Killick , Lipeng Zhuang , Gerardo Aragon-Camarasa , Zaiqiao Meng , Richard Mccreadie

We propose a) a Language Agnostic end-to-end Speech Translation model (LAST), and b) a data augmentation strategy to increase code-switching (CS) performance. With increasing globalization, multiple languages are increasingly used…

Computation and Language · Computer Science 2022-11-10 Christian Huber , Enes Yavuz Ugan , Alexander Waibel

Code-switching (CS) poses a significant challenge for Large Language Models (LLMs), yet its comprehensibility remains underexplored in LLMs. We introduce CS-Sum, to evaluate the comprehensibility of CS by the LLMs through CS dialogue to…

Computation and Language · Computer Science 2025-05-21 Sathya Krishnan Suresh , Tanmay Surana , Lim Zhi Hao , Eng Siong Chng

Linguistic Code-switching (CS) is still an understudied phenomenon in natural language processing. The NLP community has mostly focused on monolingual and multi-lingual scenarios, but little attention has been given to CS in particular.…

Computation and Language · Computer Science 2020-05-05 Gustavo Aguilar , Thamar Solorio
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