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The analysis of the transportation usage rate provides opportunities for evaluating the efficacy of the transportation service offered by proposing an indicator that integrates actual demand and capacity. This study aims to develop a…

Averaging amplitudes over consecutive time samples within a time-window is widely used to calculate the amplitude of an event-related potential (ERP) for cognitive neuroscience. Objective determination of the time-window is critical for…

Neurons and Cognition · Quantitative Biology 2019-11-22 Reza Mahini , Peng Xu , Guoliang Chen , Yansong Li , Weiyan Ding , Lei Zhang , Nauman Khalid Qureshi , Asoke K. Nandi , Fengyu Cong

We propose a multitask approach for crowd counting and person localization in a unified framework. As the detection and localization tasks are well-correlated and can be jointly tackled, our model benefits from a multitask solution by…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Mohsen Zand , Haleh Damirchi , Andrew Farley , Mahdiyar Molahasani , Michael Greenspan , Ali Etemad

Spatial time series visualization offers scientific research pathways and analytical decision-making tools across various spatiotemporal domains. Despite many advanced methodologies, the seamless integration of temporal and spatial…

Human-Computer Interaction · Computer Science 2025-07-15 Zikun Deng , Jiabao Huang , Chenxi Ruan , Jialing Li , Shaowu Gao , Yi Cai

Crowdsourcing works by distributing many small tasks to large numbers of workers, yet the true potential of crowdsourcing lies in workers doing more than performing simple tasks---they can apply their experience and creativity to provide…

Social and Information Networks · Computer Science 2017-08-16 Thomas C. McAndrew , Elizaveta A. Guseva , James P. Bagrow

Time series classification (TSC) is the most import task in time series mining as it has several applications in medicine, meteorology, finance cyber security, and many others. With the ever increasing size of time series datasets, several…

Machine Learning · Computer Science 2023-12-12 Muhammad Marwan Muhammad Fuad

Data fusion has played an important role in data mining because high-quality data is required in a lot of applications. As on-line data may be out-of-date and errors in the data may propagate with copying and referring between sources, it…

Databases · Computer Science 2017-02-03 Yunfan Chen , Lei Chen , Chen Jason Zhang

Crowdsourcing is an online outsourcing mode which can solve the current machine learning algorithm's urge need for massive labeled data. Requester posts tasks on crowdsourcing platforms, which employ online workers over the Internet to…

Human-Computer Interaction · Computer Science 2022-04-28 Guangyang Han , Sufang Li , Runmin Wang , Chunming Wu

Two common problems in time series analysis are the decomposition of the data stream into disjoint segments that are each in some sense "homogeneous" - a problem known as Change Point Detection (CPD) - and the grouping of similar…

Signal Processing · Electrical Eng. & Systems 2020-02-24 Kevin C. Cheng , Shuchin Aeron , Michael C. Hughes , Erika Hussey , Eric L. Miller

Subspace clustering (SC) is a popular method for dimensionality reduction of high-dimensional data, where it generalizes Principal Component Analysis (PCA). Recently, several methods have been proposed to enhance the robustness of PCA and…

Data Structures and Algorithms · Computer Science 2015-06-09 Sanghyuk Chun , Yung-Kyun Noh , Jinwoo Shin

A critical issue in software development projects in IT service companies is finding the right people at the right time. By enabling assignments of tasks to people to be more fluid, the use of crowdsourcing approaches within a company…

Software Engineering · Computer Science 2020-09-14 Shinobu Saito , Yukako Iimura , Emad Aghayi , Thomas D. LaToza

Crowdsourced data supports real-time decision-making but faces challenges like misinformation, errors, and contributor power concentration. This study systematically examines trust management practices across platforms categorised as…

Social and Information Networks · Computer Science 2025-11-06 Iffat Gheyas , Muhammad Rizwan Asghar , Steve Schneider , Alan Woodward

Recently, there has been a burst in the number of research projects on human computation via crowdsourcing. Multiple choice (or labeling) questions could be referred to as a common type of problem which is solved by this approach. As an…

Artificial Intelligence · Computer Science 2014-09-04 Jafar Muhammadi , Hamid Reza Rabiee , Abbas Hosseini

Many data mining tasks cannot be completely addressed by auto- mated processes, such as sentiment analysis and image classification. Crowdsourcing is an effective way to harness the human cognitive ability to process these machine-hard…

Databases · Computer Science 2018-10-22 Chengliang Chai , Ju Fan , Guoliang Li , Jiannan Wang , Yudian Zheng

Subspace clustering refers to the problem of clustering unlabeled high-dimensional data points into a union of low-dimensional linear subspaces, whose number, orientations, and dimensions are all unknown. In practice one may have access to…

Machine Learning · Statistics 2015-12-15 Reinhard Heckel , Michael Tschannen , Helmut Bölcskei

The increasing demand for sensing, collecting, transmitting, and processing vast amounts of data poses significant challenges for resource-constrained mobile users, thereby impacting the performance of wireless networks. In this regard,…

Networking and Internet Architecture · Computer Science 2024-07-23 Yaoqi Yang , Hongyang Du , Zehui Xiong , Dusit Niyato , Abbas Jamalipour , Zhu Han

Applications extracting data from crowdsourcing platforms must deal with the uncertainty of crowd answers in two different ways: first, by deriving estimates of the correct value from the answers; second, by choosing crowd questions whose…

Databases · Computer Science 2016-07-19 Antoine Amarilli , Yael Amsterdamer , Tova Milo

Immersive virtual reality (VR) applications impose stringent requirements on latency, energy efficiency, and computational resources, particularly in multi-user interactive scenarios. To address these challenges, we introduce the concept of…

Information Theory · Computer Science 2025-10-17 Caolu Xu , Zhiyong Chen , Meixia Tao , Li Song , Wenjun Zhang

Online crowdsourcing provides a scalable and inexpensive means to collect knowledge (e.g. labels) about various types of data items (e.g. text, audio, video). However, it is also known to result in large variance in the quality of recorded…

Human-Computer Interaction · Computer Science 2018-12-10 Yuan Jin , Mark Carman , Ye Zhu , Yong Xiang

We describe the Greedy Sparse Subspace Clustering (GSSC) algorithm providing an efficient method for clustering data belonging to a few low-dimensional linear or affine subspaces from incomplete corrupted and noisy data. We provide…

Numerical Analysis · Mathematics 2013-04-17 Alexander Petukhov , Inna Kozlov