Vehicle trajectory similarity: Models, methods, and applications

RSD Sousa, A Boukerche, AAF Loureiro - ACM Computing Surveys …, 2020 - dl.acm.org
The increasing availability of vehicular trajectory data is at the core of smart mobility
solutions. Such data offer us unprecedented information for the development of trajectory …

A hybrid approach to clustering in big data

D Kumar, JC Bezdek, M Palaniswami… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Clustering of big data has received much attention recently. In this paper, we present a new
clusiVAT algorithm and compare it with four other popular data clustering algorithms. Three …

Fast LDP-MST: An efficient density-peak-based clustering method for large-size datasets

T Qiu, YJ Li - IEEE Transactions on Knowledge and Data …, 2023 - ieeexplore.ieee.org
Recently, a new density-peak-based clustering method, called clustering with local density
peaks-based minimum spanning tree (LDP-MST), was proposed, which has several …

A rapid hybrid clustering algorithm for large volumes of high dimensional data

P Rathore, D Kumar, JC Bezdek… - … on Knowledge and …, 2018 - ieeexplore.ieee.org
Clustering large volumes of high-dimensional data is a challenging task. Many clustering
algorithms have been developed to address either handling datasets with a very large …

Fast and scalable big data trajectory clustering for understanding urban mobility

D Kumar, H Wu, S Rajasegarar… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Clustering of large-scale vehicle trajectories is an important aspect for understanding urban
traffic patterns, particularly for optimizing public transport routes and frequencies and …

A visual-numeric approach to clustering and anomaly detection for trajectory data

D Kumar, JC Bezdek, S Rajasegarar, C Leckie… - The Visual …, 2017 - Springer
This paper proposes a novel application of Visual Assessment of Tendency (VAT)-based
hierarchical clustering algorithms (VAT, iVAT, and clusiVAT) for trajectory analysis. We …

Visual approaches for exploratory data analysis: A survey of the visual assessment of clustering tendency (vat) family of algorithms

D Kumar, JC Bezdek - IEEE Systems, Man, and Cybernetics …, 2020 - ieeexplore.ieee.org
Exploratory data analysis (EDA) using data clustering is extremely important for
understanding the basic characteristics of a novel data set before developing complex …

Sampling-based visual assessment computing techniques for an efficient social data clustering

MS Basha, SK Mouleeswaran, KR Prasad - The Journal of …, 2021 - Springer
Visual methods were used for pre-cluster assessment and useful cluster partitions. Existing
visual methods, such as visual assessment tendency (VAT), spectral VAT (SpecVAT), cosine …

ML-aVAT: A Novel 2-Stage Machine-Learning Approach for Automatic Clustering Tendency Assessment

H Mittal, JS Laxman, D Kumar - Big Data Research, 2023 - Elsevier
Clustering tendency assessment, which aims to deduce if a dataset contains any cluster
structure, and, if it does, how many clusters it has, is a critical problem in exploratory data …

Adaptive cluster tendency visualization and anomaly detection for streaming data

D Kumar, JC Bezdek, S Rajasegarar… - ACM Transactions on …, 2016 - dl.acm.org
The growth in pervasive network infrastructure called the Internet of Things (IoT) enables a
wide range of physical objects and environments to be monitored in fine spatial and …