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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…

Machine Learning · Computer Science 2026-03-09 Xiang Ma , Lexin Fang , Litian Xu , Caiming Zhang

Large Language Models (LLMs) excel in various natural language processing tasks, but leveraging them for dense passage embedding remains challenging. This is due to their causal attention mechanism and the misalignment between their…

Computation and Language · Computer Science 2024-08-08 Hieu Man , Nghia Trung Ngo , Franck Dernoncourt , Thien Huu Nguyen

Label embedding plays an important role in many real-world applications. To enhance the label relatedness captured by the embeddings, multiple contexts can be adopted. However, these contexts are heterogeneous and often partially observed…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Yaxin Shi , Donna Xu , Yuangang Pan , Ivor W. Tsang , Shirui Pan

Network embedding is a highly effective method to learn low-dimensional node vector representations with original network structures being well preserved. However, existing network embedding algorithms are mostly developed for a single…

Social and Information Networks · Computer Science 2021-05-06 Xiao Shen , Quanyu Dai , Sitong Mao , Fu-lai Chung , Kup-Sze Choi

Clinical trials are central to medical progress because they help improve understanding of human health and the healthcare system. They play a key role in discovering new ways to detect, prevent, or treat diseases, and it is essential that…

Computation and Language · Computer Science 2025-10-16 Surya Tejaswi Yerramsetty , Almas Fathimah

Remote sensing image segmentation faces persistent challenges in distinguishing morphologically similar categories and adapting to diverse scene variations. While existing methods rely on implicit representation learning paradigms, they…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xuechao Zou , Yue Li , Shun Zhang , Kai Li , Shiying Wang , Pin Tao , Junliang Xing , Congyan Lang

The mixture model is undoubtedly one of the greatest contributions to clustering. For continuous data, Gaussian models are often used and the Expectation-Maximization (EM) algorithm is particularly suitable for estimating parameters from…

Machine Learning · Statistics 2025-11-25 Zineddine Tighidet , Lazhar Labiod , Mohamed Nadif

Dense retrieval calls for discriminative embeddings to represent the semantic relationship between query and document. It may benefit from the using of large language models (LLMs), given LLMs' strong capability on semantic understanding.…

Computation and Language · Computer Science 2025-11-25 Zheng Liu , Chaofan Li , Shitao Xiao , Yingxia Shao , Defu Lian

With the booming of Large Language Models (LLMs), prompt-learning has become a promising method mainly researched in various research areas. Recently, many attempts based on prompt-learning have been made to improve the performance of text…

Computation and Language · Computer Science 2024-06-07 Chun Liu , Hongguang Zhang , Kainan Zhao , Xinghai Ju , Lin Yang

It's a meaningful and attractive topic to build a general and inclusive segmentation model that can recognize more categories in various scenarios. A straightforward way is to combine the existing fragmented segmentation datasets and train…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Qiang Zhou , Yuang Liu , Chaohui Yu , Jingliang Li , Zhibin Wang , Fan Wang

Due to the lack of structured knowledge applied in learning distributed representation of cate- gories, existing work cannot incorporate category hierarchies into entity information. We propose a framework that embeds entities and…

Computation and Language · Computer Science 2016-07-28 Yuezhang Li , Ronghuo Zheng , Tian Tian , Zhiting Hu , Rahul Iyer , Katia Sycara

Image clustering aims to group images in an unsupervised fashion. Traditional methods focus on knowledge from visual space, making it difficult to distinguish between visually similar but semantically different classes. Recent advances in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yijie Zhong , Yunfan Gao , Weipeng Jiang , Haofen Wang

Recent work on predicting category structure with distributional models, using either static word embeddings (Heyman and Heyman, 2019) or contextualized language models (CLMs) (Misra et al., 2021), report low correlations with human…

Machine Learning · Computer Science 2023-02-15 Joseph Renner , Pascal Denis , Rémi Gilleron , Angèle Brunellière

The idea of using fragment embedding to circumvent the high computational scaling of accurate electronic structure methods while retaining high accuracy has been a long-standing goal for quantum chemists. Traditional fragment embedding…

Chemical Physics · Physics 2022-10-11 Hong-Zhou Ye , Matthew Welborn , Nathan D. Ricke , Troy Van Voorhis

Vision-Language Models (VLMs) learn a shared feature space for text and images, enabling the comparison of inputs of different modalities. While prior works demonstrated that VLMs organize natural language representations into regular…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Davide Berasi , Matteo Farina , Massimiliano Mancini , Elisa Ricci , Nicola Strisciuglio

In the burgeoning field of natural language processing (NLP), Neural Topic Models (NTMs) , Large Language Models (LLMs) and Diffusion model have emerged as areas of significant research interest. Despite this, NTMs primarily utilize…

Computation and Language · Computer Science 2023-12-27 Weijie Xu , Wenxiang Hu , Fanyou Wu , Srinivasan Sengamedu

Efficient representation of text documents is an important building block in many NLP tasks. Research on long text categorization has shown that simple weighted averaging of word vectors for sentence representation often outperforms more…

Computation and Language · Computer Science 2019-11-20 Vivek Gupta , Ankit Saw , Pegah Nokhiz , Harshit Gupta , Partha Talukdar

Ensemble models are widely used to solve complex tasks by their decomposition into multiple simpler tasks, each one solved locally by a single member of the ensemble. Decoding of error-correction codes is a hard problem due to the curse of…

Information Theory · Computer Science 2020-05-12 Tomer Raviv , Nir Raviv , Yair Be'ery

Large Vision-Language Models (LVLMs) commonly follow a paradigm that projects visual features and then concatenates them with text tokens to form a unified sequence input for Large Language Models (LLMs). However, this paradigm leads to a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xinyu Wei , Guoli Yang , Jialu Zhou , Mingyue Yang , Leqian Li , Kedi Zhang , Chunping Qiu

Open-vocabulary semantic segmentation is a challenging task, which requires the model to output semantic masks of an image beyond a close-set vocabulary. Although many efforts have been made to utilize powerful CLIP models to accomplish…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Xiangheng Shan , Dongyue Wu , Guilin Zhu , Yuanjie Shao , Nong Sang , Changxin Gao