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Inducing semantic representations directly from speech signals is a highly challenging task but has many useful applications in speech mining and spoken language understanding. This study tackles the unsupervised learning of semantic…

计算与语言 · 计算机科学 2022-10-25 Jian Zhu , Zuoyu Tian , Yadong Liu , Cong Zhang , Chia-wen Lo

Existing text-driven infrared and visible image fusion approaches often rely on textual information at the sentence level, which can lead to semantic noise from redundant text and fail to fully exploit the deeper semantic value of textual…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Wenyu Shao , Hongbo Liu , Yunchuan Ma , Ruili Wang

Natural language processing covers a wide variety of tasks predicting syntax, semantics, and information content, and usually each type of output is generated with specially designed architectures. In this paper, we provide the simple…

计算与语言 · 计算机科学 2020-05-05 Zhengbao Jiang , Wei Xu , Jun Araki , Graham Neubig

Integrating symbolic knowledge and data-driven learning algorithms is a longstanding challenge in Artificial Intelligence. Despite the recognized importance of this task, a notable gap exists due to the discreteness of symbolic…

人工智能 · 计算机科学 2024-05-24 Gaia Saveri , Laura Nenzi , Luca Bortolussi , Jan Křetínský

Due to the complex layouts of documents, it is challenging to extract information for documents. Most previous studies develop multimodal pre-trained models in a self-supervised way. In this paper, we focus on the embedding learning of word…

计算与语言 · 计算机科学 2022-08-01 Song Tao , Zijian Wang , Tiantian Fan , Canjie Luo , Can Huang

The task of ultra-fine entity typing (UFET) seeks to predict diverse and free-form words or phrases that describe the appropriate types of entities mentioned in sentences. A key challenge for this task lies in the large amount of types and…

计算与语言 · 计算机科学 2022-02-15 Bangzheng Li , Wenpeng Yin , Muhao Chen

Modeling semantic information is helpful for scene text recognition. In this work, we propose to model semantic and visual information jointly with a Visual-Semantic Transformer (VST). The VST first explicitly extracts primary semantic…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Xin Tang , Yongquan Lai , Ying Liu , Yuanyuan Fu , Rui Fang

Named entity recognition is a fundamental task in natural language processing, identifying the span and category of entities in unstructured texts. The traditional sequence labeling methodology ignores the nested entities, i.e. entities…

计算与语言 · 计算机科学 2022-10-24 Xueru Wen , Changjiang Zhou , Haotian Tang , Luguang Liang , Yu Jiang , Hong Qi

Sequential sentence classification deals with the categorisation of sentences based on their content and context. Applied to scientific texts, it enables the automatic structuring of research papers and the improvement of academic search…

计算与语言 · 计算机科学 2022-03-22 Arthur Brack , Anett Hoppe , Pascal Buschermöhle , Ralph Ewerth

Label smoothing is a widely used technique in various domains, such as text classification, image classification and speech recognition, known for effectively combating model overfitting. However, there is little fine-grained analysis on…

计算与语言 · 计算机科学 2024-02-26 Yijie Gao , Shijing Si , Hua Luo , Haixia Sun , Yugui Zhang

Traditional spatiotemporal models generally rely on task-specific architectures, which limit their generalizability and scalability across diverse tasks due to domain-specific design requirements. In this paper, we introduce…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Chen Tang , Xinzhu Ma , Encheng Su , Xiufeng Song , Xiaohong Liu , Wei-Hong Li , Lei Bai , Wanli Ouyang , Xiangyu Yue

Named entity linking is to map an ambiguous mention in documents to an entity in a knowledge base. The named entity linking is challenging, given the fact that there are multiple candidate entities for a mention in a document. It is…

计算与语言 · 计算机科学 2020-02-13 Wei Shi , Siyuan Zhang , Zhiwei Zhang , Hong Cheng , Jeffrey Xu Yu

One-shot semantic image segmentation aims to segment the object regions for the novel class with only one annotated image. Recent works adopt the episodic training strategy to mimic the expected situation at testing time. However, these…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Tao Chen , Guosen Xie , Yazhou Yao , Qiong Wang , Fumin Shen , Zhenmin Tang , Jian Zhang

Recent years have witnessed increasing interests in developing interpretable models in Natural Language Processing (NLP). Most existing models aim at identifying input features such as words or phrases important for model predictions.…

计算与语言 · 计算机科学 2022-08-10 Hanqi Yan , Lin Gui , Yulan He

Transfer learning has been developed to improve the performances of different but related tasks in machine learning. However, such processes become less efficient with the increase of the size of training data and the number of tasks.…

机器学习 · 计算机科学 2018-03-28 Rui Zhang , Quanyan Zhu

Learning unified text embeddings that excel across diverse downstream tasks is a central goal in representation learning, yet negative transfer remains a persistent obstacle. This challenge is particularly pronounced when jointly training a…

计算与语言 · 计算机科学 2025-09-30 Bowen Zhang , Zixin Song , Chunquan Chen , Qian-Wen Zhang , Di Yin , Xing Sun

Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can potentially discover a broad range of themes in a data set,…

人工智能 · 计算机科学 2008-08-08 Chaitanya Chemudugunta , Padhraic Smyth , Mark Steyvers

Unlabeled data learning has attracted considerable attention recently. However, it is still elusive to extract the expected high-level semantic feature with mere unsupervised learning. In the meantime, semi-supervised learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Tao Han , Junyu Gao , Yuan Yuan , Qi Wang

Many joint entity relation extraction models setup two separated label spaces for the two sub-tasks (i.e., entity detection and relation classification). We argue that this setting may hinder the information interaction between entities and…

计算与语言 · 计算机科学 2021-07-12 Yijun Wang , Changzhi Sun , Yuanbin Wu , Hao Zhou , Lei Li , Junchi Yan

Semantic segmentation aims to robustly predict coherent class labels for entire regions of an image. It is a scene understanding task that powers real-world applications (e.g., autonomous navigation). One important application, the use of…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Yuxiang Zhang , Sachin Mehta , Anat Caspi