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In this paper, we emphasize the need for data cleansing when clustering large-scale transaction databases and propose a new data cleansing method that improves clustering quality and performance. We evaluate our data cleansing method…

数据库 · 计算机科学 2015-05-18 Woong-Kee Loh , Yang-Sae Moon , Jun-Gyu Kang

Robust and reliable anonymization of chest radiographs constitutes an essential step before publishing large datasets of such for research purposes. The conventional anonymization process is carried out by obscuring personal information in…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Kai Packhäuser , Sebastian Gündel , Florian Thamm , Felix Denzinger , Andreas Maier

Corporations are retaining ever-larger corpuses of personal data; the frequency or breaches and corresponding privacy impact have been rising accordingly. One way to mitigate this risk is through use of anonymized data, limiting the…

机器学习 · 计算机科学 2016-10-20 Koray Mancuhan , Chris Clifton

This paper is motivated by applications of a Census Bureau interested in releasing aggregate socio-economic data about a large population without revealing sensitive information about any individual. The released information can be the…

数据库 · 计算机科学 2021-05-11 Ferdinando Fioretto , Pascal Van Hentenryck , Keyu Zhu

In recent years, the increasing availability of personal data has raised concerns regarding privacy and security. One of the critical processes to address these concerns is data anonymization, which aims to protect individual privacy and…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Fabio Hellmann , Silvan Mertes , Mohamed Benouis , Alexander Hustinx , Tzung-Chien Hsieh , Cristina Conati , Peter Krawitz , Elisabeth André

Our behavior (the way we talk, walk, act or think) is unique and can be used as a biometric trait. It also correlates with sensitive attributes like emotions and health conditions. Hence, techniques to protect individuals privacy against…

密码学与安全 · 计算机科学 2023-01-06 Simon Hanisch , Patricia Arias-Cabarcos , Javier Parra-Arnau , Thorsten Strufe

We present an integrated framework for simultaneous tracking, group detection and multi-level activity recognition in crowd videos. Instead of solving these problems independently and sequentially, we solve them together in a unified…

计算机视觉与模式识别 · 计算机科学 2017-10-31 Neha Bhargava , Subhasis Chaudhuri

Synthetic data is often presented as a method for sharing sensitive information in a privacy-preserving manner by reproducing the global statistical properties of the original data without disclosing sensitive information about any…

密码学与安全 · 计算机科学 2022-11-22 Matteo Giomi , Franziska Boenisch , Christoph Wehmeyer , Borbála Tasnádi

Gait recognition is the process of identifying humans from their bipedal locomotion such as walking or running. As such, gait data is privacy sensitive information and should be anonymized where possible. With the rise of higher quality…

密码学与安全 · 计算机科学 2023-09-04 Simon Hanisch , Evelyn Muschter , Admantini Hatzipanayioti , Shu-Chen Li , Thorsten Strufe

The increasing use of machine learning (ML) for Just-In-Time (JIT) defect prediction raises concerns about privacy leakage from software analytics data. Existing anonymization methods, such as tabular transformations and graph…

软件工程 · 计算机科学 2025-12-16 Maaz Khan , Gul Sher Khan , Ahsan Raza , Pir Sami Ullah , Abdul Ali Bangash

The proliferation of textual data containing sensitive personal information across various domains requires robust anonymization techniques to protect privacy and comply with regulations, while preserving data usability for diverse and…

计算与语言 · 计算机科学 2025-12-17 Tobias Deußer , Lorenz Sparrenberg , Armin Berger , Max Hahnbück , Christian Bauckhage , Rafet Sifa

Researchers often face the problem of needing to protect the privacy of subjects while also needing to integrate data that contains personal information from diverse data sources in order to conduct their research. The advent of…

This paper aims at answering the following two questions in privacy-preserving data analysis and publishing: What formal privacy guarantee (if any) does $k$-anonymization provide? How to benefit from the adversary's uncertainty about the…

密码学与安全 · 计算机科学 2015-03-17 Ninghui Li , Wahbeh Qardaji , Dong Su

Numerous generalization techniques have been proposed for privacy preserving data publishing. Most existing techniques, however, implicitly assume that the adversary knows little about the anonymization algorithm adopted by the data…

数据库 · 计算机科学 2010-03-29 Xiaokui Xiao , Yufei Tao , Nick Koudas

Huge volume of data from domain specific applications such as medical, financial, library, telephone, shopping records and individual are regularly generated. Sharing of these data is proved to be beneficial for data mining application. On…

数据库 · 计算机科学 2013-06-07 Hitesh Chhinkaniwala , Sanjay Garg

Although unsupervised person re-identification (Re-ID) has drawn increasing research attention recently, it remains challenging to learn discriminative features without annotations across disjoint camera views. In this paper, we address the…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Qing Li , Xiaojiang Peng , Yu Qiao , Qi Hao

Several factors make clustering of functional data challenging, including the infinite-dimensional space to which observations belong and the lack of a defined probability density function for the functional random variable. To overcome…

统计方法学 · 统计学 2025-02-03 Andi Mai , Lan Xue , Roger Zoh , Carmen Tekwe

Massive digital data processing provides a wide range of opportunities and benefits, but at the cost of endangering personal data privacy. Anonymisation consists in removing or replacing sensitive information from data, enabling its…

计算与语言 · 计算机科学 2020-03-18 Aitor García-Pablos , Naiara Perez , Montse Cuadros

Protecting privacy is essential when sharing data, particularly in the case of an online radicalization dataset that may contain personal information. In this paper, we explore the balance between preserving data usefulness and ensuring…

计算与语言 · 计算机科学 2024-06-27 Arij Riabi , Menel Mahamdi , Virginie Mouilleron , Djamé Seddah

The recent rapid advancements in both sensing and machine learning technologies have given rise to the universal collection and utilization of people's biometrics, such as fingerprints, voices, retina/facial scans, or gait/motion/gestures…

机器学习 · 计算机科学 2024-05-27 Chun-Fu Chen , Bill Moriarty , Shaohan Hu , Sean Moran , Marco Pistoia , Vincenzo Piuri , Pierangela Samarati