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A major factor in the recent success of large language models is the use of enormous and ever-growing text datasets for unsupervised pre-training. However, naively training a model on all available data may not be optimal (or feasible), as…

The pervasive issue of bias in AI presents a significant challenge to painting classification, and is getting more serious as these systems become increasingly integrated into tasks like art curation and restoration. Biases, often arising…

Artificial Intelligence · Computer Science 2025-07-11 Mridula Vijendran , Shuang Chen , Jingjing Deng , Hubert P. H. Shum

Direct Preference Optimization (DPO) has been widely used for aligning language models with human preferences in a supervised manner. However, several key questions remain unresolved: the rationale behind its log-ratio reward, how the…

Machine Learning · Computer Science 2025-10-03 Yunjae Won , Hyunji Lee , Hyeonbin Hwang , Minjoon Seo

The advancement of object detection (OD) in open-vocabulary and open-world scenarios is a critical challenge in computer vision. This work introduces OmDet, a novel language-aware object detection architecture, and an innovative training…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Tiancheng Zhao , Peng Liu , Kyusong Lee

Selecting influential data for fine-tuning on downstream tasks is a key factor for both performance and computation efficiency. Recent works have shown that training with only limited data can show a superior performance on general tasks.…

Computation and Language · Computer Science 2024-09-10 Xinzhe Ni , Yeyun Gong , Zhibin Gou , Yelong Shen , Yujiu Yang , Nan Duan , Weizhu Chen

Enhancing the instruction-following ability of Large Language Models (LLMs) primarily demands substantial instruction-tuning datasets. However, the sheer volume of these imposes a considerable computational burden and annotation cost. To…

Computation and Language · Computer Science 2023-11-15 Shengguang Wu , Keming Lu , Benfeng Xu , Junyang Lin , Qi Su , Chang Zhou

We consider learning from data of variable quality that may be obtained from different heterogeneous sources. Addressing learning from heterogeneous data in its full generality is a challenging problem. In this paper, we adopt instead a…

Machine Learning · Computer Science 2014-12-19 Shuang Song , Kamalika Chaudhuri , Anand D. Sarwate

Large language models (LLMs) deliver impressive results but face challenges from increasing model sizes and computational costs. Structured pruning reduces model size and speeds up inference but often causes uneven degradation across…

Computation and Language · Computer Science 2025-05-28 Hexuan Deng , Wenxiang Jiao , Xuebo Liu , Jing Li , Min Zhang , Zhaopeng Tu

Non-discrimination is a recognized objective in algorithmic decision making. In this paper, we introduce a novel probabilistic formulation of data pre-processing for reducing discrimination. We propose a convex optimization for learning a…

Machine Learning · Statistics 2017-04-12 Flavio P. Calmon , Dennis Wei , Karthikeyan Natesan Ramamurthy , Kush R. Varshney

Learning from the multidimensional data has been an interesting concept in the field of machine learning. However, such learning can be difficult, complex, expensive because of expensive data processing, manipulations as the number of…

Machine Learning · Computer Science 2020-12-04 Mahbubur Rahman

Optimal contribution selection (OCS) is a selective breeding method that manages the conversion of genetic variation into genetic gain to facilitate short-term competitiveness and long-term sustainability in breeding programmes. Traditional…

Optimization and Control · Mathematics 2024-12-05 Josh Fogg , Jaime Ortiz , Ivan Pocrnić , J. A. Julian Hall , Gregor Gorjanc

Labeled data is a fundamental component in training supervised deep learning models for computer vision tasks. However, the labeling process, especially for ordinal image classification where class boundaries are often ambiguous, is prone…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Alireza Sedighi Moghaddam , Mohammad Reza Mohammadi

Lack of diversity in data collection has caused significant failures in machine learning (ML) applications. While ML developers perform post-collection interventions, these are time intensive and rarely comprehensive. Thus, new methods to…

Human-Computer Interaction · Computer Science 2023-08-01 Aspen Hopkins , Fred Hohman , Luca Zappella , Xavier Suau Cuadros , Dominik Moritz

Large Language Models (LLMs) inherit explicit and implicit biases from their training datasets. Identifying and mitigating biases in LLMs is crucial to ensure fair outputs, as they can perpetuate harmful stereotypes and misinformation. This…

Machine Learning · Computer Science 2025-11-19 Fatima Kazi , Alex Young , Yash Inani , Setareh Rafatirad

There is growing concern that the potential of black box AI may exacerbate health-related disparities and biases such as gender and ethnicity in clinical decision-making. Biased decisions can arise from data availability and collection…

Computers and Society · Computer Science 2023-11-28 Jiahui Liu , Xiaohao Cai , Mahesan Niranjan

Efficient and effective Out-of-Distribution (OOD) detection is essential for the safe deployment of AI systems. Existing feature space methods, while effective, often incur significant computational overhead due to their reliance on…

Machine Learning · Computer Science 2024-06-05 Litian Liu , Yao Qin

Instruction tuning fine-tunes pre-trained Multi-modal Large Language Models (MLLMs) to handle real-world tasks. However, the rapid expansion of visual instruction datasets introduces data redundancy, leading to excessive computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Qifan Yu , Zhebei Shen , Zhongqi Yue , Yang Wu , Bosheng Qin , Wenqiao Zhang , Yunfei Li , Juncheng Li , Siliang Tang , Yueting Zhuang

Biomedical data is filled with continuous real values; these values in the feature set tend to create problems like underfitting, the curse of dimensionality and increase in misclassification rate because of higher variance. In response,…

Artificial Intelligence · Computer Science 2020-04-17 Deepak Singh , Dilip Singh Sisodia , Pradeep Singh

Dataset pruning -- selecting a small yet informative subset of training data -- has emerged as a promising strategy for efficient machine learning, offering significant reductions in computational cost and storage compared to alternatives…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Ryota Yagi

Multimodal models often over-rely on dominant modalities, failing to achieve optimal performance. While prior work focuses on modifying training objectives or optimization procedures, data-centric solutions remain underexplored. We propose…

Machine Learning · Computer Science 2025-10-01 Seong-Hyeon Hwang , Soyoung Choi , Steven Euijong Whang