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The gps2gtfs package addresses a critical need for converting raw Global Positioning System (GPS) trajectory data from public transit vehicles into the widely used GTFS (General Transit Feed Specification) format. This transformation…

计算机与社会 · 计算机科学 2024-12-23 Shiveswarran Ratneswaran , Uthayasanker Thayasivam , Sivakumar Thillaiambalam

Location privacy has been extensively studied in the literature. However, existing location privacy models are either not rigorous or not customizable, which limits the trade-off between privacy and utility in many real-world applications.…

密码学与安全 · 计算机科学 2020-07-16 Yang Cao , Yonghui Xiao , Shun Takagi , Li Xiong , Masatoshi Yoshikawa , Yilin Shen , Jinfei Liu , Hongxia Jin , Xiaofeng Xu

Publishing datasets plays an essential role in open data research and promoting transparency of government agencies. However, such data publication might reveal users' private information. One of the most sensitive sources of data is…

机器学习 · 计算机科学 2019-11-06 Sina Shaham , Ming Ding , Bo Liu , Shuping Dang , Zihuai Lin , Jun Li

Researchers face the trade-off between publishing mobility data along with their papers while simultaneously protecting the privacy of the individuals. In addition to the fundamental anonymization process, other techniques, such as spatial…

社会与信息网络 · 计算机科学 2024-07-26 Gergő Pintér

Synthcity is an open-source software package for innovative use cases of synthetic data in ML fairness, privacy and augmentation across diverse tabular data modalities, including static data, regular and irregular time series, data with…

机器学习 · 计算机科学 2023-01-19 Zhaozhi Qian , Bogdan-Constantin Cebere , Mihaela van der Schaar

User profiling and region analysis are two tasks of significant commercial value. However, in practical applications, modeling different features typically involves four main steps: data preparation, data processing, model establishment,…

机器学习 · 计算机科学 2023-11-20 Ruixing Zhang , Liangzhe Han , Leilei Sun , Yunqi Liu , Jibin Wang , Weifeng Lv

Sharing data can often enable compelling applications and analytics. However, more often than not, valuable datasets contain information of a sensitive nature, and thus, sharing them can endanger the privacy of users and organizations. A…

密码学与安全 · 计算机科学 2024-02-28 Emiliano De Cristofaro

The advent of miniaturized biologging devices has provided ecologists with unprecedented opportunities to record animal movement across scales, and led to the collection of ever-increasing quantities of tracking data. In parallel,…

Understanding human mobility is essential for the development of smart cities and social behavior research. Human mobility models may be used in numerous applications, including pandemic control, urban planning, and traffic management. The…

社会与信息网络 · 计算机科学 2022-09-09 Yisheng Alison Zheng , Amani Abusafia , Abdallah Lakhdari , Shing Tai Tony Lui , Athman Bouguettaya

As one of the most popular micro-mobility options, e-scooters are spreading in hundreds of big cities and college towns in the US and worldwide. In the meantime, e-scooters are also posing new challenges to traffic safety. In general,…

系统与控制 · 电气工程与系统科学 2022-12-27 Avinash Prabu , Dan Shen , Renran Tian , Stanley Chien , Lingxi Li , Yaobin Chen , Rini Sherony

The widespread adoption of continuously connected smartphones and tablets developed the usage of mobile applications, among which many use location to provide geolocated services. These services provide new prospects for users: getting…

密码学与安全 · 计算机科学 2018-10-09 Primault Vincent , Boutet Antoine , Ben Mokhtar Sonia , Brunie Lionel

Recent advances in sensor and mobile devices have enabled an unprecedented increase in the availability and collection of urban trajectory data, thus increasing the demand for more efficient ways to manage and analyze the data being…

数据库 · 计算机科学 2020-12-15 Sheng Wang , Zhifeng Bao , J. Shane Culpepper , Gao Cong

Pedestrian dynamics simulates the fine-scaled trajectories of individuals in a crowd. It has been used to suggest public health interventions to reduce infection risk in important components of air travel, such as during boarding and in…

计算机与社会 · 计算机科学 2024-10-21 Ashok Srinivasan , Satkkeerthi Sriram , Sirish Namilae , Andrew Arash Mahyari

Human mobility studies how people move to access their needed resources and plays a significant role in urban planning and location-based services. As a paramount task of human mobility modeling, next location prediction is challenging…

人工智能 · 计算机科学 2024-12-30 Zhaoping Hu , Zongyuan Huang , Jinming Yang , Tao Yang , Yaohui Jin , Yanyan Xu

Data on human spatial distribution and movement is essential for understanding and analyzing social systems. However existing sources for this data are lacking in various ways; difficult to access, biased, have poor geographical or temporal…

社会与信息网络 · 计算机科学 2016-06-22 Mark Dredze , Manuel García-Herranz , Alex Rutherford , Gideon Mann

Open human mobility data is considered an essential basis for the profound research and analysis required for the transition to sustainable mobility and sustainable urban planning. Cycling data has especially been the focus of data…

密码学与安全 · 计算机科学 2025-02-13 Benedikt Ströbl , Alexandra Kapp

Touch data, and in particular text-entry data, has been mostly collected in the laboratory, under controlled conditions. While touch and text-entry data have consistently shown its potential for monitoring and detecting a variety of…

人机交互 · 计算机科学 2021-05-24 André Rodrigues , André Santos , Kyle Montague , Hugo Nicolau , Tiago Guerreiro

Accurate modelling of local population movement patterns is a core contemporary concern for urban policymakers, affecting both the short term deployment of public transport resources and the longer term planning of transport infrastructure.…

物理与社会 · 物理学 2019-05-21 Chico Q. Camargo , Jonathan Bright , Scott A. Hale

Mining data streams is a challenge per se. It must be ready to deal with an enormous amount of data and with problems not present in batch machine learning, such as concept drift. Therefore, applying a batch-designed technique, such as…

机器学习 · 计算机科学 2020-08-21 Lucca Portes Cavalheiro , Jean Paul Barddal , Alceu de Souza Britto , Laurent Heutte

With the growing volume of data in society, the need for privacy protection in data analysis also rises. In particular, private selection tasks, wherein the most important information is retrieved under differential privacy are emphasized…

数据结构与算法 · 计算机科学 2024-10-15 Akito Yamamoto , Tetsuo Shibuya
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