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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…

计算与语言 · 计算机科学 2025-10-10 Andrianos Michail , Simon Clematide , Rico Sennrich

Multilingual semantic parsing aims to leverage the knowledge from the high-resource languages to improve low-resource semantic parsing, yet commonly suffers from the data imbalance problem. Prior works propose to utilize the translations by…

计算与语言 · 计算机科学 2023-05-23 Zhuang Li , Lizhen Qu , Philip R. Cohen , Raj V. Tumuluri , Gholamreza Haffari

Superposition or Neuron Polysemanticity are important concepts in the field of interpretability and one might say they are these most intricately beautiful blockers in our path of decoding the Machine Learning black-box. The idea behind…

机器学习 · 计算机科学 2024-12-24 Akanksha Devkar

Contrastive learning has been demonstrated to be effective in enhancing pre-trained language models (PLMs) to derive superior universal sentence embeddings. However, existing contrastive methods still have two limitations. Firstly, previous…

计算与语言 · 计算机科学 2022-10-11 Yuxin Jiang , Linhan Zhang , Wei Wang

Open-domain semantic parsing remains a challenging task, as neural models often rely on heuristics and struggle to handle unseen concepts. In this paper, we investigate the potential of large language models (LLMs) for this task and…

计算与语言 · 计算机科学 2025-08-21 Xiao Zhang , Qianru Meng , Johan Bos

Many active learning and search approaches are intractable for large-scale industrial settings with billions of unlabeled examples. Existing approaches search globally for the optimal examples to label, scaling linearly or even…

Multimodal remote sensing technology significantly enhances the understanding of surface semantics by integrating heterogeneous data such as optical images, Synthetic Aperture Radar (SAR), and Digital Surface Models (DSM). However, in…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Xiaodong Zhang , Guanzhou Chen , Jiaqi Wang , Chenxi Liu , Xiaoliang Tan , Wenchao Guo , Xuyang Li , Xuanrui Wang , Zifan Wang

Social scientists often classify text documents to use the resulting labels as an outcome or a predictor in empirical research. Automated text classification has become a standard tool, since it requires less human coding. However, scholars…

计算与语言 · 计算机科学 2025-05-14 Mitchell Bosley , Saki Kuzushima , Ted Enamorado , Yuki Shiraito

Dense correspondence across semantically related images has been extensively studied, but still faces two challenges: 1) large variations in appearance, scale and pose exist even for objects from the same category, and 2) labeling…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Taihong Xiao , Sifei Liu , Shalini De Mello , Zhiding Yu , Jan Kautz , Ming-Hsuan Yang

Most of the existing approaches focus on specific visual tasks while ignoring the relations between them. Estimating task relation sheds light on the learning of high-order semantic concepts, e.g., transfer learning. How to reveal the…

机器学习 · 计算机科学 2019-07-30 Guangcong Wang , Jianhuang Lai , Wenqi Liang , Guangrun Wang

An autoassociative memory model is a function that, given a set of data points, takes as input an arbitrary vector and outputs the most similar data point from the memorized set. However, popular memory models fail to retrieve images even…

机器学习 · 计算机科学 2024-02-19 Tommaso Salvatori , Beren Millidge , Yuhang Song , Rafal Bogacz , Thomas Lukasiewicz

Due to the lack of extensive precisely-annotated multi-label data in real word, semi-supervised multi-label learning (SSMLL) has gradually gained attention. Abundant knowledge embedded in vision-language models (VLMs) pre-trained on…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Heng-Bo Fan , Ming-Kun Xie , Jia-Hao Xiao , Sheng-Jun Huang

How can we find a general way to choose the most suitable samples for training a classifier? Even with very limited prior information? Active learning, which can be regarded as an iterative optimization procedure, plays a key role to…

机器学习 · 计算机科学 2019-04-16 Bo Du , Zengmao Wang , Lefei Zhang , Liangpei Zhang , Wei Liu , Jialie Shen , Dacheng Tao

Cross-modal alignment is a crucial task in multimodal learning aimed at achieving semantic consistency between vision and language. This requires that image-text pairs exhibit similar semantics. Traditional algorithms pursue embedding…

机器学习 · 计算机科学 2026-03-09 Xiang Ma , Lexin Fang , Litian Xu , Caiming Zhang

Although image captioning models have made significant advancements in recent years, the majority of them heavily depend on high-quality datasets containing paired images and texts which are costly to acquire. Previous works leverage the…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Zhiyue Liu , Jinyuan Liu , Fanrong Ma

Existing research for image text retrieval mainly relies on sentence-level supervision to distinguish matched and mismatched sentences for a query image. However, semantic mismatch between an image and sentences usually happens in finer…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Zhihao Fan , Zhongyu Wei , Zejun Li , Siyuan Wang , Haijun Shan , Xuanjing Huang , Jianqing Fan

Visual-Semantic Embedding (VSE) is a prevalent approach in image-text retrieval by learning a joint embedding space between the image and language modalities where semantic similarities would be preserved. The triplet loss with…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Hong Xuan , Xi Chen

Modern image retrieval systems increasingly rely on the use of deep neural networks to learn embedding spaces in which distance encodes the relevance between a given query and image. In this setting, existing approaches tend to emphasize…

机器学习 · 计算机科学 2020-11-18 Andreas Veit , Kimberly Wilber

There is extensive interest in metric learning methods for image retrieval. Many metric learning loss functions focus on learning a correct ranking of training samples, but strongly overfit semantically inconsistent labels and require a…

机器学习 · 计算机科学 2023-06-05 Christopher Liao , Theodoros Tsiligkaridis , Brian Kulis

The performance of image generation has been significantly improved in recent years. However, the study of image screening is rare and its performance with Multimodal Large Language Models (MLLMs) is unsatisfactory due to the lack of data…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Zhiyuan Hu , Zheng Sun , Yi Wei , Long Yu