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Pairwise comparisons are widely used in decision analysis, preference modeling, and evaluation problems. In many practical situations, the observed comparison matrix is not reciprocal. This lack of reciprocity is often treated as a defect…

机器学习 · 统计学 2026-04-07 Jean-Pierre Magnot

Parameter-Efficient Fine-Tuning (PEFT) has gained prominence through low-rank adaptation methods like LoRA. In this paper, we focus on sparsity-based PEFT (SPEFT), which introduces trainable sparse adaptations to the weight matrices in the…

计算与语言 · 计算机科学 2025-06-30 Xinxin Liu , Aaron Thomas , Cheng Zhang , Jianyi Cheng , Yiren Zhao , Xitong Gao

When pre-processing observational data via matching, we seek to approximate each unit with maximally similar peers that had an alternative treatment status--essentially replicating a randomized block design. However, as one considers a…

计量经济学 · 经济学 2019-05-30 Gentry Johnson , Brian Quistorff , Matt Goldman

Despite the state-of-the-art performance of Large Language Models (LLMs) achieved on many tasks, their massive scale often leads to high computational and environmental costs, limiting their accessibility. Parameter-Efficient Fine-Tuning…

计算与语言 · 计算机科学 2026-05-14 Robert Belanec , Branislav Pecher , Ivan Srba , Maria Bielikova

Reliable evaluation protocols are of utmost importance for reproducible NLP research. In this work, we show that sometimes neither metric nor conventional human evaluation is sufficient to draw conclusions about system performance. Using…

计算与语言 · 计算机科学 2021-01-25 Yevgeniy Puzikov

Feature subset selection, as a special case of the general subset selection problem, has been the topic of a considerable number of studies due to the growing importance of data-mining applications. In the feature subset selection problem…

机器学习 · 计算机科学 2014-11-13 Tofigh Naghibi , Sarah Hoffmann , Beat Pfister

Large language models (LLMs) are commonly adapted to downstream tasks through fine-tuning, but fine-tuning data often contains sensitive information that may be leaked by the resulting model. Differential privacy (DP) offers formal…

机器学习 · 计算机科学 2026-05-19 Haichao Sha , Zihao Wang , Yuncheng Wu , Hong Chen , Wei Dong

Small object detection aims to localize and classify small objects within images. With recent advances in large-scale vision-language pretraining, finetuning pretrained object detection models has emerged as a promising approach. However,…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Kanoko Goto , Takumi Karasawa , Takumi Hirose , Rei Kawakami , Nakamasa Inoue

The Pearson-Matthews correlation coefficient (usually abbreviated MCC) is considered to be one of the most useful metrics for the performance of a binary classification or hypothesis testing method (for the sake of conciseness we will use…

信号处理 · 电气工程与系统科学 2023-05-11 Petre Stoica , Prabhu Babu

Pre-trained models have brought significant improvements to many NLP tasks and have been extensively analyzed. But little is known about the effect of fine-tuning on specific tasks. Intuitively, people may agree that a pre-trained model…

计算与语言 · 计算机科学 2020-06-03 Jie Cai , Zhengzhou Zhu , Ping Nie , Qian Liu

Purpose: Magnetic polarizability tensors (MPTs) provide an economical characterisation of conducting magnetic metallic objects and their spectral signature can aid in the solution of metal detection inverse problems, such as scrap metal…

数值分析 · 数学 2024-05-01 James Elgy , Paul D. Ledger

This article introduces a sensitivity analysis method for Multiple Testing Procedures (MTPs) using marginal $p$-values. The method is based on the Dirichlet process (DP) prior distribution, specified to support the entire space of MTPs,…

统计方法学 · 统计学 2025-09-19 George Karabatsos

In few-shot classification tasks (so-called episodes), a small set of labeled support samples is provided during inference to aid the classification of unlabeled query samples. Metric-based models typically operate by computing similarities…

机器学习 · 计算机科学 2025-06-24 Xuanyu Zhuang , Geoffroy Peeters , Gaël Richard

Data-parallel (DP) training with synchronous all-reduce is a dominant paradigm for full-parameter fine-tuning of large language models (LLMs). While parameter synchronization guarantees numerical equivalence of model weights after each…

机器学习 · 计算机科学 2026-02-25 Hong Li , Zhen Zhou , Honggang Zhang , Yuping Luo , Xinyue Wang , Han Gong , Zhiyuan Liu

Software defect prediction heavily relies on the metrics collected from software projects. Earlier studies often used machine learning techniques to build, validate, and improve bug prediction models using either a set of metrics collected…

软件工程 · 计算机科学 2021-05-03 Hadi Jahanshahi , Mucahit Cevik , Ayşe Başar

This paper introduces a task- and model-aware framework for measuring similarity between wireless datasets, enabling applications such as dataset selection/augmentation, simulation-to-real (sim2real) comparison, task-specific synthetic data…

机器学习 · 计算机科学 2026-01-06 João Morais , Sadjad Alikhani , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

The problem of model selection is inevitable in an increasingly large number of applications involving partial theoretical knowledge and vast amounts of information, like in medicine, biology or economics. The associated techniques are…

统计方法学 · 统计学 2015-11-17 Stephane Guerrier , Maria-Pia Victoria-Feser

Fine-tuning large language models on downstream tasks is crucial for realizing their cross-domain potential but often relies on sensitive data, raising privacy concerns. Differential privacy (DP) offers rigorous privacy guarantees and has…

机器学习 · 计算机科学 2026-01-19 Lele Zheng , Xiang Wang , Tao Zhang , Yang Cao , Ke Cheng , Yulong Shen

Semantic scene parsing is suffering from the fact that pixel-level annotations are hard to be collected. To tackle this issue, we propose a Point-based Distance Metric Learning (PDML) in this paper. PDML does not require dense annotated…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Rui Qian , Yunchao Wei , Honghui Shi , Jiachen Li , Jiaying Liu , Thomas Huang

Pairwise learning or dyadic prediction concerns the prediction of properties for pairs of objects. It can be seen as an umbrella covering various machine learning problems such as matrix completion, collaborative filtering, multi-task…

机器学习 · 计算机科学 2016-06-15 Michiel Stock , Tapio Pahikkala , Antti Airola , Bernard De Baets , Willem Waegeman