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We propose a cross-modality manifold alignment procedure that leverages triplet loss to jointly learn consistent, multi-modal embeddings of language-based concepts of real-world items. Our approach learns these embeddings by sampling…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Andre T. Nguyen , Luke E. Richards , Gaoussou Youssouf Kebe , Edward Raff , Kasra Darvish , Frank Ferraro , Cynthia Matuszek

With the emergence of deep learning, metric learning has gained significant popularity in numerous machine learning tasks dealing with complex and large-scale datasets, such as information retrieval, object recognition and recommendation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Imam Mustafa Kamal , Hyerim Bae , Ling Liu

Reward models are central to aligning LLMs with human preferences, but they are costly to train, requiring large-scale human-labeled preference data and powerful pretrained LLM backbones. Meanwhile, the increasing availability of…

Computation and Language · Computer Science 2025-10-27 Yapei Chang , Yekyung Kim , Michael Krumdick , Amir Zadeh , Chuan Li , Chris Tanner , Mohit Iyyer

Most existing metric learning methods focus on learning a similarity or distance measure relying on similar and dissimilar relations between sample pairs. However, pairs of samples cannot be simply identified as similar or dissimilar in…

Machine Learning · Computer Science 2020-08-19 Lifeng Gu

Camera calibration is a necessity in various tasks including 3D reconstruction, hand-eye coordination for a robotic interaction, autonomous driving, etc. In this work we propose a novel method to predict extrinsic (baseline, pitch, and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Talha Hanif Butt , Murtaza Taj

In this study, we propose a novel extended target tracking algorithm which is capable of representing the extent of dynamic objects as an ellipsoid with a time-varying orientation angle. A diagonal positive semi-definite matrix is defined…

Machine Learning · Statistics 2021-04-21 Barkın Tuncer , Emre Özkan

Modern information retrieval (IR) models, trained exclusively on standard <query, passage> pairs, struggle to effectively interpret and follow explicit user instructions. We introduce InF-IR, a large-scale, high-quality training corpus…

Computation and Language · Computer Science 2025-05-28 Yuchen Zhuang , Aaron Trinh , Rushi Qiang , Haotian Sun , Chao Zhang , Hanjun Dai , Bo Dai

Progressive Learning (PL) reduces pre-training computational overhead by gradually increasing model scale. While prior work has extensively explored depth expansion, width expansion remains significantly understudied, with the few existing…

Machine Learning · Computer Science 2026-02-03 Qifan Yu , Xinyu Ma , Zhijian Zhuo , Minrui Wang , Deyi Liu , Shiyi Zhan , Yiyuan Ma , Liang Xiang , Xingyan Bin , Di He

For protein sequence datasets, unlabeled data has greatly outpaced labeled data due to the high cost of wet-lab characterization. Recent deep-learning approaches to protein prediction have shown that pre-training on unlabeled data can yield…

Machine Learning · Computer Science 2020-12-02 Pascal Sturmfels , Jesse Vig , Ali Madani , Nazneen Fatema Rajani

Metric learning aims to learn a distance metric such that semantically similar instances are pulled together while dissimilar instances are pushed away. Many existing methods consider maximizing or at least constraining a distance margin in…

Machine Learning · Statistics 2022-08-17 Xiaochen Yang , Yiwen Guo , Mingzhi Dong , Jing-Hao Xue

Mixed-integer linear programming (MILP) is a powerful tool for addressing a wide range of real-world problems, but it lacks a clear structure for comparing instances. A reliable similarity metric could establish meaningful relationships…

Machine Learning · Computer Science 2025-07-16 Gwen Maudet , Grégoire Danoy

Distance metric learning has attracted much attention in recent years, where the goal is to learn a distance metric based on user feedback. Conventional approaches to metric learning mainly focus on learning the Mahalanobis distance metric…

Machine Learning · Computer Science 2020-11-10 Zhongfang Zhuang , Xiangnan Kong , Elke Rundensteiner , Jihane Zouaoui , Aditya Arora

We present a method for learning an embedding that places images of humans in similar poses nearby. This embedding can be used as a direct method of comparing images based on human pose, avoiding potential challenges of estimating body…

Computer Vision and Pattern Recognition · Computer Science 2015-07-02 Greg Mori , Caroline Pantofaru , Nisarg Kothari , Thomas Leung , George Toderici , Alexander Toshev , Weilong Yang

Document alignment techniques based on multilingual sentence representations have recently shown state of the art results. However, these techniques rely on unsupervised distance measurement techniques, which cannot be fined-tuned to the…

Computation and Language · Computer Science 2021-12-01 Charith Rajitha , Lakmali Piyarathne , Dilan Sachintha , Surangika Ranathunga

Clustering and classification critically rely on distance metrics that provide meaningful comparisons between data points. We present mixed-integer optimization approaches to find optimal distance metrics that generalize the Mahalanobis…

Machine Learning · Computer Science 2018-03-29 Krishnan Kumaran , Dimitri Papageorgiou , Yutong Chang , Minhan Li , Martin Takáč

Most NN-RSs focus on accuracy by building representations from the direct user-item interactions (e.g., user-item rating matrix), while ignoring the underlying relatedness between users and items (e.g., users who rate the same ratings for…

Information Retrieval · Computer Science 2022-05-20 Yuanbo Xu , En Wang , Yongjian Yang , Yi Chang

Integer linear programs (ILPs) are commonly employed to model diverse practical problems such as scheduling and planning. Recently, machine learning techniques have been utilized to solve ILPs. A straightforward idea is to train a model via…

Optimization and Control · Mathematics 2025-01-08 Qian Chen , Tianjian Zhang , Linxin Yang , Qingyu Han , Akang Wang , Ruoyu Sun , Xiaodong Luo , Tsung-Hui Chang

Recent work has shown that language models' (LMs) prompt-based learning capabilities make them well suited for automating data labeling in domains where manual annotation is expensive. The challenge is that while writing an initial prompt…

Machine Learning · Computer Science 2023-07-21 Neel Guha , Mayee F. Chen , Kush Bhatia , Azalia Mirhoseini , Frederic Sala , Christopher Ré

Embedding models have shown great power in knowledge graph completion (KGC) task. By learning structural constraints for each training triple, these methods implicitly memorize intrinsic relation rules to infer missing links. However, this…

Computation and Language · Computer Science 2023-05-24 Rui Li , Xu Chen , Chaozhuo Li , Yanming Shen , Jianan Zhao , Yujing Wang , Weihao Han , Hao Sun , Weiwei Deng , Qi Zhang , Xing Xie

Lifelong object re-identification incrementally learns from a stream of re-identification tasks. The objective is to learn a representation that can be applied to all tasks and that generalizes to previously unseen re-identification tasks.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Kai Wang , Chenshen Wu , Andy Bagdanov , Xialei Liu , Shiqi Yang , Shangling Jui , Joost van de Weijer