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We analyze expenditure patterns of discretionary funds by Brazilian congress members. This analysis is based on a large dataset containing over $7$ million expenses made publicly available by the Brazilian government. This dataset has, up…

计算机与社会 · 计算机科学 2018-12-05 Hsiang Hsu , Flavio P. Calmon , José Cândido Silveira Santos Filho , Andre P. Calmon , Salman Salamatian

Class imbalance is one of the challenging problems for machine learning in many real-world applications, such as coal and gas burst accident monitoring: the burst premonition data is extreme smaller than the normal data, however, which is…

机器学习 · 计算机科学 2017-02-07 Qiuyan Yan , Shixiong Xia , Fanrong Meng

The support vector machine (SVM) algorithm is well known to the computer learning community for its very good practical results. The goal of the present paper is to study this algorithm from a statistical perspective, using tools of…

统计理论 · 数学 2008-12-18 Gilles Blanchard , Olivier Bousquet , Pascal Massart

The Support Vector Machine (SVM) is a popular classification paradigm in machine learning and has achieved great success in real applications. However, the standard SVM can not select variables automatically and therefore its solution…

统计方法学 · 统计学 2008-12-18 Hao Helen Zhang , Yufeng Liu , Yichao Wu , Ji Zhu

Grocery stores have thousands of products that are usually identified using barcodes with a human in the loop. For automated checkout systems, it is necessary to count and classify the groceries efficiently and robustly. One possibility is…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Patrick Follmann , Bertram Drost , Tobias Böttger

This paper investigates the asymptotic behavior of the soft-margin and hard-margin support vector machine (SVM) classifiers for simultaneously high-dimensional and numerous data (large $n$ and large $p$ with $n/p\to\delta$) drawn from a…

信息论 · 计算机科学 2020-03-31 Abla Kammoun , Mohamed-Slim Alouini

Support vector machines (SVMs) appeared in the early nineties as optimal margin classifiers in the context of Vapnik's statistical learning theory. Since then SVMs have been successfully applied to real-world data analysis problems, often…

统计理论 · 数学 2016-08-16 Javier M. Moguerza , Alberto Muñoz

The participants of the electricity market concern very much the market price evolution. Various technologies have been developed for price forecast. SVM (Support Vector Machine) has shown its good performance in market price forecast. Two…

综合金融 · 定量金融 2009-11-13 C. Gao , E. Bompard , R. Napoli , Q. Wan

Code comments are vital to source code as they help developers with program comprehension tasks. Written in natural language (usually English), code comments convey a variety of different information, which are grouped into specific…

软件工程 · 计算机科学 2023-03-06 Amila Indika , Peter Y. Washington , Anthony Peruma

Classifying public tenders is a useful task for both companies that are invited to participate and for inspecting fraudulent activities. To facilitate the task for both participants and public administrations, the European Union presented a…

机器学习 · 计算机科学 2024-05-31 Federico Moiraghi , Matteo Palmonari , Davide Allavena , Federico Morando

The ability to cheaply train text classifiers is critical to their use in information retrieval, content analysis, natural language processing, and other tasks involving data which is partly or fully textual. An algorithm for sequential…

cmp-lg · 计算机科学 2008-02-03 David D. Lewis , William A. Gale

There has been increasing attention to semi-supervised learning (SSL) approaches in machine learning to forming a classifier in situations where the training data for a classifier consists of a limited number of classified observations but…

机器学习 · 统计学 2021-11-10 Daniel Ahfock , Geoffrey J. McLachlan

This paper presents a new approach to identifying and eliminating mislabeled training instances for supervised learning. The goal of this approach is to improve classification accuracies produced by learning algorithms by improving the…

人工智能 · 计算机科学 2011-06-02 C. E. Brodley , M. A. Friedl

We describe a bootstrapping algorithm to learn from partially labeled data, and the results of an empirical study for using it to improve performance of sentiment classification using up to 15 million unlabeled Amazon product reviews. Our…

机器学习 · 计算机科学 2012-09-28 Yoav Haimovitch , Koby Crammer , Shie Mannor

Support Vector Machine (SVM) is a common classifier used for efficient classification with high accuracy. SVM shows high accuracy for classifying melanoma (skin cancer) clinical images within computer-aided diagnosis systems used by skin…

图像与视频处理 · 电气工程与系统科学 2021-08-30 Shereen Afifi , Hamid GholamHosseini , Roopak Sinha

Automated classifiers (ACs), often built via supervised machine learning (SML), can categorize large, statistically powerful samples of data ranging from text to images and video, and have become widely popular measurement devices in…

机器学习 · 计算机科学 2024-12-10 Nathan TeBlunthuis , Valerie Hase , Chung-Hong Chan

Recent advances in healthcare technologies have led to the availability of large amounts of biological samples across several techniques and applications. In particular, in the last few years, Raman spectroscopy analysis of biological…

定量方法 · 定量生物学 2025-06-24 Marco Piazza , Andrea Spinelli , Francesca Maggioni , Marzia Bedoni , Enza Messina

In traditional boosting algorithms, the focus on misclassified training samples emphasizes their importance based on difficulty during the learning process. While using a standard Support Vector Machine (SVM) as a weak learner in an…

机器学习 · 计算机科学 2024-10-10 Junbo Jacob Lian

Support Vector Machines (SVMs) are among the most popular classification techniques adopted in security applications like malware detection, intrusion detection, and spam filtering. However, if SVMs are to be incorporated in real-world…

We consider the problem of cost-optimal utilization of a crowdsourcing platform for binary, unsupervised classification of a collection of items, given a prescribed error threshold. Workers on the crowdsourcing platform are assumed to be…

机器学习 · 计算机科学 2022-07-06 Yashvardhan Didwania , Jayakrishnan Nair , N. Hemachandra