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Self-supervised learning (SSL) has emerged as a powerful paradigm for Chest X-ray (CXR) analysis under limited annotations. Yet, existing SSL strategies remain suboptimal for medical imaging. Masked image modeling allocates substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Wangyu Feng , Shawn Young , Lijian Xu

Connectionist Temporal Classification (CTC) is a widely used criterion for training supervised sequence-to-sequence (seq2seq) models. It enables learning the relations between input and output sequences, termed alignments, by marginalizing…

Computation and Language · Computer Science 2024-03-08 Eliya Segev , Maya Alroy , Ronen Katsir , Noam Wies , Ayana Shenhav , Yael Ben-Oren , David Zar , Oren Tadmor , Jacob Bitterman , Amnon Shashua , Tal Rosenwein

Curriculum Data Augmentation (CDA) improves neural models by presenting synthetic data with increasing difficulties from easy to hard. However, traditional CDA simply treats the ratio of word perturbation as the difficulty measure and goes…

Computation and Language · Computer Science 2023-02-01 Hongyuan Lu , Wai Lam

Large language models (LLM) have recently emerged as a powerful tool for a variety of natural language processing tasks, bringing a new surge of combining LLM with recommendation systems, termed as LLM-based RS. Current approaches generally…

Information Retrieval · Computer Science 2024-03-20 Xiaohan Yu , Li Zhang , Xin Zhao , Yue Wang , Zhongrui Ma

We introduce Contrastive Region Masking (CRM), a training free diagnostic that reveals how multimodal large language models (MLLMs) depend on specific visual regions at each step of chain-of-thought (CoT) reasoning. Unlike prior approaches…

Machine Learning · Computer Science 2025-12-19 Isha Chaturvedi , Anjana Nair , Yushen Li , Adhitya Rajendra Kumar , Kevin Zhu , Sunishchal Dev , Ashwinee Panda , Vasu Sharma

Composed Image Retrieval (CIR) enables users to search for target images using both a reference image and manipulation text, offering substantial advantages over single-modality retrieval systems. However, existing CIR methods suffer from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Zhipeng Qian , Zihan Liang , Yufei Ma , Ben Chen , Huangyu Dai , Yiwei Ma , Jiayi Ji , Chenyi Lei , Han Li , Xiaoshuai Sun

In this article a fast and parallelizable algorithm for rational approximation is presented. The method, called (P)QR-AAA, is a (parallel) set-valued variant of the AAA algorithm for scalar functions. It builds on the set-valued AAA…

Numerical Analysis · Mathematics 2024-12-04 Simon Dirckx , Karl Meerbergen , Daan Huybrechs

Learning representations of two views of data such that the resulting representations are highly linearly correlated is appealing in machine learning. In this paper, we present a canonical correlation guided learning framework, which allows…

Machine Learning · Computer Science 2024-10-01 Zhiwen Chen , Siwen Mo , Haobin Ke , Steven X. Ding , Zhaohui Jiang , Chunhua Yang , Weihua Gui

We propose Context-Adaptive Multi-Prompt Embedding, a novel approach to enrich semantic representations in vision-language contrastive learning. Unlike standard CLIP-style models that rely on a single text embedding, our method introduces…

Machine Learning · Computer Science 2025-08-07 Dahun Kim , Anelia Angelova

Numeric tabular datasets are the dominant data format in scientific practice, yet large language models lack native mechanisms for representing numeric datasets in a meaningful way across heterogeneous feature spaces. Existing approaches…

Machine Learning · Computer Science 2026-05-29 M. Ross Kunz , John Merickel , Keith Wilson

Query auto completion (QAC) systems are a standard part of search engines in industry, helping users formulate their query. Such systems update their suggestions after the user types each character, predicting the user's intent using…

Computation and Language · Computer Science 2018-05-10 Nicolas Fiorini , Zhiyong Lu

A hierarchical labeling system for mobile applications (apps) benefits a wide range of downstream businesses that integrate the labeling with their proprietary user data, to improve user modeling. Such a label hierarchy can define more…

Machine Learning · Computer Science 2025-07-08 Jiawei Guo , Yang Xiao , Weipeng Huang , Guangyuan Piao

Deep Learning (DL) models to analyze source code have shown immense promise during the past few years. More recently, self-supervised pre-training has gained traction for learning generic code representations valuable for many downstream SE…

Software Engineering · Computer Science 2023-06-07 Yangruibo Ding , Saikat Chakraborty , Luca Buratti , Saurabh Pujar , Alessandro Morari , Gail Kaiser , Baishakhi Ray

Current sequential recommender systems are proposed to tackle the dynamic user preference learning with various neural techniques, such as Transformer and Graph Neural Networks (GNNs). However, inference from the highly sparse user behavior…

Information Retrieval · Computer Science 2023-03-22 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang , Da Luo , Kangyi Lin

We introduce Retrieval Augmented Classification (RAC), a generic approach to augmenting standard image classification pipelines with an explicit retrieval module. RAC consists of a standard base image encoder fused with a parallel retrieval…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Alexander Long , Wei Yin , Thalaiyasingam Ajanthan , Vu Nguyen , Pulak Purkait , Ravi Garg , Alan Blair , Chunhua Shen , Anton van den Hengel

Large language Model (LLM)-assisted algorithm discovery is an iterative, black-box optimization process over programs to approximatively solve a target task, where an LLM proposes candidate programs and an external evaluator provides task…

Machine Learning · Computer Science 2026-02-04 Timothee Leleu , Sudeera Gunathilaka , Federico Ghimenti , Surya Ganguli

Continual learning (CL) aims to equip models with the ability to learn from a stream of tasks without forgetting previous knowledge. With the progress of vision-language models like Contrastive Language-Image Pre-training (CLIP), their…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Lingfeng He , De Cheng , Di Xu , Huaijie Wang , Nannan Wang

Collaborative Metric Learning (CML) has recently emerged as a popular method in recommendation systems (RS), closing the gap between metric learning and collaborative filtering. Following the convention of RS, existing practices exploit…

Information Retrieval · Computer Science 2024-09-04 Shilong Bao , Qianqian Xu , Zhiyong Yang , Yuan He , Xiaochun Cao , Qingming Huang

Retrieval-augmented generation has emerged as one of the most effective approaches for code completion enhancement, especially when repository-level context is important. However, adding this extra retrieved context significantly increases…

Computation and Language · Computer Science 2026-04-15 Daria Cherniuk , Nikita Sukhorukov , Danil Gusak , Nikita Sushko , Danil Sivtsov , Elena Tutubalina , Evgeny Frolov

Retrieval-augmented Generation (RAG) extends large language models (LLMs) with external knowledge but faces key challenges: restricted effective context length and redundancy in retrieved documents. Pure compression-based approaches reduce…

Computation and Language · Computer Science 2025-07-09 Yiqiao Jin , Kartik Sharma , Vineeth Rakesh , Yingtong Dou , Menghai Pan , Mahashweta Das , Srijan Kumar