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Model selection requires repeatedly evaluating models on a given dataset and measuring their relative performances. In modern applications of machine learning, the models being considered are increasingly more expensive to evaluate and the…

Machine Learning · Computer Science 2020-10-21 Anant Raj , Cameron Musco , Lester Mackey , Nicolo Fusi

Enterprise databases usually contain large and complex schemas. Authoring complete schema mapping queries in this case requires deep knowledge about the source and target schemas and is thereby very challenging to programmers. Sample-driven…

Databases · Computer Science 2018-12-20 Zhongjun Jin , Christopher Baik , Michael Cafarella , H. V. Jagadish , Yuze Lou

Large-scale datasets have been pivotal to the advancements of deep learning models in recent years, but training on such large datasets invariably incurs substantial storage and computational overhead. Meanwhile, real-world datasets often…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Suorong Yang , Peng Ye , Wanli Ouyang , Dongzhan Zhou , Furao Shen

This study presents PRISM, a probabilistic simplex component analysis approach to identifying the vertices of a data-circumscribing simplex from data. The problem has a rich variety of applications, the most notable being hyperspectral…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Ruiyuan Wu , Wing-Kin Ma , Yuening Li , Anthony Man-Cho So , Nicholas D. Sidiropoulos

A wide variety of problems in machine learning, including exemplar clustering, document summarization, and sensor placement, can be cast as constrained submodular maximization problems. Unfortunately, the resulting submodular optimization…

Machine Learning · Computer Science 2015-04-23 Rafael da Ponte Barbosa , Alina Ene , Huy L. Nguyen , Justin Ward

Structured pruning is an effective approach for compressing large pre-trained neural networks without significantly affecting their performance. However, most current structured pruning methods do not provide any performance guarantees, and…

Machine Learning · Computer Science 2023-02-14 Marwa El Halabi , Suraj Srinivas , Simon Lacoste-Julien

With the incredibly growing amount of multimedia data shared on the social media platforms, recommender systems have become an important necessity to ease users' burden on the information overload. In such a scenario, extensive amount of…

Information Retrieval · Computer Science 2016-04-26 Xianming Liu , Min-Hsuan Tsai , Thomas Huang

Large multimodal models (LMMs) have achieved high performance in vision-language tasks involving single image but they struggle when presented with a collection of multiple images (Multiple Image Question Answering scenario). These tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Aaryan Sharma , Shivansh Gupta , Samar Agarwal , Vishak Prasad C. , Ganesh Ramakrishnan

Many key problems in machine learning and data science are routinely modeled as optimization problems and solved via optimization algorithms. With the increase of the volume of data and the size and complexity of the statistical models used…

Optimization and Control · Mathematics 2020-08-28 Filip Hanzely

Learning neural subset selection tasks, such as compound selection in AI-aided drug discovery, have become increasingly pivotal across diverse applications. The existing methodologies in the field primarily concentrate on constructing…

Machine Learning · Computer Science 2024-06-11 Binghui Xie , Yatao Bian , Kaiwen zhou , Yongqiang Chen , Peilin Zhao , Bo Han , Wei Meng , James Cheng

Scaling LLM-based embodied agents from text-only environments to complex multimodal settings remains a major challenge. Recent work identifies a perception-reasoning-decision gap in standalone Vision-Language Models (VLMs), which often…

Artificial Intelligence · Computer Science 2026-05-08 Mohamed Salim Aissi , Clemence Grislain , Clement Romac , Laure Soulier , Mohamed Chetouani , Olivier Sigaud , Nicolas Thome

With the rapid progress of large language models (LLMs), financial information retrieval has become a critical industrial application. Extracting task-relevant information from lengthy financial filings is essential for both operational and…

Artificial Intelligence · Computer Science 2026-04-07 Chun Chet Ng , Jia Yu Lim , Wei Zeng Low

Statistical topic models efficiently facilitate the exploration of large-scale data sets. Many models have been developed and broadly used to summarize the semantic structure in news, science, social media, and digital humanities. However,…

Machine Learning · Computer Science 2016-12-02 Jian Tang , Cheng Li , Ming Zhang , Qiaozhu Mei

In model selection problems for machine learning, the desire for a well-performing model with meaningful structure is typically expressed through a regularized optimization problem. In many scenarios, however, the meaningful structure is…

Optimization and Control · Mathematics 2022-11-09 Jonathan Bunton , Paulo Tabuada

Recent progress in deep learning has been driven by increasingly larger models. However, their computational and energy demands have grown proportionally, creating significant barriers to their deployment and to a wider adoption of deep…

Machine Learning · Computer Science 2025-09-16 Pedro Savarese

We present PRISM, a novel color-guided stratified sampling method for RGB-LiDAR point clouds. Our approach is motivated by the observation that unique scene features often exhibit chromatic diversity while repetitive, redundant features are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Hansol Lim , Minhyeok Im , Jongseong Brad Choi

Complex systems are fascinating because their rich macroscopic properties emerge from the interaction of many simple parts. Understanding the building principles of these emergent phenomena in nature requires assessing natural complex…

Neurons and Cognition · Quantitative Biology 2022-11-17 Anna Levina , Viola Priesemann , Johannes Zierenberg

Person re-identification (re-id), an emerging problem in visual surveillance, deals with maintaining entities of individuals whilst they traverse various locations surveilled by a camera network. From a visual perspective re-id is…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Ziming Zhang , Venkatesh Saligrama

Targeted data selection has emerged as a crucial paradigm for efficient instruction tuning, aiming to identify a small yet influential subset of training examples for a specific target task. In practice, influence is often measured through…

Machine Learning · Computer Science 2026-05-19 Guanghui Min , Tianhao Huang , Ke Wan , Chen Chen

A critical gap exists between the general-purpose visual understanding of state-of-the-art physical AI models and the specialized perceptual demands of structured real-world deployment environments. We present PRISM, a 270K-sample…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Amirreza Rouhi , Parikshit Sakurikar , Satya Sai Reddy , Narsimha Menga , Anirudh Govil , Sri Harsha Chittajallu , Rajat Aggarwal , Anoop Namboodiri , Sashi Reddi