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Training speech separation models in the supervised setting raises a permutation problem: finding the best assignation between the model predictions and the ground truth separated signals. This inherently ambiguous task is customarily…

声音 · 计算机科学 2024-11-28 David Perera , François Derrida , Théo Mariotte , Gaël Richard , Slim Essid

In automatic speech recognition (ASR) rescoring, the hypothesis with the fewest errors should be selected from the n-best list using a language model (LM). However, LMs are usually trained to maximize the likelihood of correct word…

计算与语言 · 计算机科学 2021-10-06 Hayato Futami , Hirofumi Inaguma , Masato Mimura , Shinsuke Sakai , Tatsuya Kawahara

Pretrained language models (PLMs) display impressive performances and have captured the attention of the NLP community. Establishing best practices in pretraining has, therefore, become a major focus of NLP research, especially since…

计算与语言 · 计算机科学 2024-10-08 Zihao Li , Shaoxiong Ji , Timothee Mickus , Vincent Segonne , Jörg Tiedemann

Large Language Models (LLMs) specializing in code generation (which are also often referred to as code LLMs), e.g., StarCoder and Code Llama, play increasingly critical roles in various software development scenarios. It is also crucial for…

This paper studies the fundamental problem of learning multi-layer generator models. The multi-layer generator model builds multiple layers of latent variables as a prior model on top of the generator, which benefits learning complex data…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Jiali Cui , Ying Nian Wu , Tian Han

One of the well-known challenges in computer vision tasks is the visual diversity of images, which could result in an agreement or disagreement between the learned knowledge and the visual content exhibited by the current observation. In…

机器学习 · 计算机科学 2020-01-03 Yan Luo , Yongkang Wong , Mohan S. Kankanhalli , Qi Zhao

Recently, there has been a surge in the use of generated data to enhance the performance of downstream models, largely due to the advancements in pre-trained language models. However, most prevailing methods trained generative and…

计算与语言 · 计算机科学 2023-09-26 Tong Wu , Hao Wang , Zhongshen Zeng , Wei Wang , Hai-Tao Zheng , Jiaxing Zhang

Recent years have witnessed increasing interests in prompt-based learning in which models can be trained on only a few annotated instances, making them suitable in low-resource settings. When using prompt-based learning for text…

计算与语言 · 计算机科学 2023-05-11 Hongjing Li , Hanqi Yan , Yanran Li , Li Qian , Yulan He , Lin Gui

Cross-lingual Machine Reading Comprehension (xMRC) is challenging due to the lack of training data in low-resource languages. The recent approaches use training data only in a resource-rich language like English to fine-tune large-scale…

机器学习 · 计算机科学 2021-12-10 Nuo Chen , Linjun Shou , Min Gong , Jian Pei , Daxin Jiang

State-of-the-art pre-trained language models (PLMs) outperform other models when applied to the majority of language processing tasks. However, PLMs have been found to degrade in performance under distribution shift, a phenomenon that…

计算与语言 · 计算机科学 2022-12-06 Ayush Singh , John E. Ortega

Multilingual pre-trained language models (MPLMs) not only can handle tasks in different languages but also exhibit surprising zero-shot cross-lingual transferability. However, MPLMs usually are not able to achieve comparable supervised…

计算与语言 · 计算机科学 2022-03-01 Ziqing Yang , Yiming Cui , Zhigang Chen , Shijin Wang

Multimodal Emotion Recognition in Conversations (MERC) is a crucial task for understanding human interactions, where multimodal approaches integrating language, facial expressions, and vocal tone have achieved significant progress. However,…

机器学习 · 计算机科学 2026-05-22 Phuong-Anh Nguyen , The-Son Le , Duc-Trong Le , Cam-Van Thi Nguyen

Recent multimodal embedding approaches leveraging multimodal large language models (MLLMs) fine-tuned with contrastive learning (CL) have shown promising results, yet the underlying reasons behind their superiority remain underexplored.…

计算与语言 · 计算机科学 2025-10-14 Chenghao Xiao , Hou Pong Chan , Hao Zhang , Weiwen Xu , Mahani Aljunied , Yu Rong

Vision-language pre-training (VLP) methods are blossoming recently, and its crucial goal is to jointly learn visual and textual features via a transformer-based architecture, demonstrating promising improvements on a variety of…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Weihan Wang , Zhen Yang , Bin Xu , Juanzi Li , Yankui Sun

Masked language modelling (MLM) as a pretraining objective has been widely adopted in genomic sequence modelling. While pretrained models can successfully serve as encoders for various downstream tasks, the distribution shift between…

机器学习 · 计算机科学 2025-02-26 Monireh Safari , Pablo Millan Arias , Scott C. Lowe , Lila Kari , Angel X. Chang , Graham W. Taylor

Despite exciting progress in causal language models, the expressiveness of the representations is largely limited due to poor discrimination ability. To remedy this issue, we present ContraCLM, a novel contrastive learning framework at both…

Multi-behavior recommendation (MBR) aims to jointly consider multiple behaviors to improve the target behavior's performance. We argue that MBR models should: (1) model the coarse-grained commonalities between different behaviors of a user,…

信息检索 · 计算机科学 2022-03-22 Yiqing Wu , Ruobing Xie , Yongchun Zhu , Xiang Ao , Xin Chen , Xu Zhang , Fuzhen Zhuang , Leyu Lin , Qing He

Manually designing cloze test consumes enormous time and efforts. The major challenge lies in wrong option (distractor) selection. Having carefully-design distractors improves the effectiveness of learner ability assessment. As a result,…

计算与语言 · 计算机科学 2024-03-18 Shang-Hsuan Chiang , Ssu-Cheng Wang , Yao-Chung Fan

In this paper, we introduce CodingTeachLLM, a large language model (LLM) designed for coding teaching. Specially, we aim to enhance the coding ability of LLM and lead it to better teaching mode in education context. Thus, we propose an…

机器学习 · 计算机科学 2025-04-02 Zhangquan Chen , Chunjiang Liu , Haobin Duan

In cross-lingual text classification, one seeks to exploit labeled data from one language to train a text classification model that can then be applied to a completely different language. Recent multilingual representation models have made…

计算与语言 · 计算机科学 2020-07-31 Xin Dong , Yaxin Zhu , Yupeng Zhang , Zuohui Fu , Dongkuan Xu , Sen Yang , Gerard de Melo