Emmanouil S. Rigas

ORCID: 0000-0002-8042-9135
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Electric Vehicles and Infrastructure
  • Transportation and Mobility Innovations
  • Vehicle Routing Optimization Methods
  • Smart Grid Energy Management
  • Advanced Battery Technologies Research
  • Artificial Intelligence in Healthcare
  • Robotic Path Planning Algorithms
  • Electric and Hybrid Vehicle Technologies
  • UAV Applications and Optimization
  • Smart Parking Systems Research
  • Machine Learning in Healthcare
  • Service-Oriented Architecture and Web Services
  • Transportation Planning and Optimization
  • Maritime Transport Emissions and Efficiency
  • Semantic Web and Ontologies
  • Artificial Intelligence in Healthcare and Education
  • Age of Information Optimization
  • Vehicle emissions and performance
  • Air Traffic Management and Optimization
  • Web Data Mining and Analysis
  • Maritime Ports and Logistics
  • E-Learning and Knowledge Management
  • Energy, Environment, and Transportation Policies
  • Biomedical Text Mining and Ontologies
  • Digital Economy and Work Transformation

Aristotle University of Thessaloniki
2014-2024

University of Cyprus
2020-2024

AHEPA University Hospital
2024

University of Southampton
2012

Along with the development of smart grids, wide adoption electric vehicles (EVs) is seen as a catalyst to reduction CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> emissions and more intelligent transportation systems. In particular, EVs augment grid ability store energy at some points in network give it back others and, therefore, help optimize use from intermittent renewable sources let users refill their cars variety locations....

10.1109/tits.2014.2376873 article EN IEEE Transactions on Intelligent Transportation Systems 2014-12-31

We propose offline and online scheduling algorithms for the charging of electric vehicles (EVs) in a single station (CS). The has available cheaper, but limited, energy from renewable sources (RES). EVs are capable willing to participate vehicle-to-vehicle (V2V) transfers that used reduce cost increase RES utilization. centralized aim minimize total EVs. formulate problem as mixed integer programming (MIP) one we solve it optimally assuming full knowledge EV demand generation. Later, an...

10.1109/tits.2019.2914087 article EN IEEE Transactions on Intelligent Transportation Systems 2019-05-09

In this paper we propose an optimal Electric Vehicle (EV) charging scheduling scheme with the option of Vehicle-to-Grid (V2G) and Vehicle-to-Vehicle (V2V) energy transfer. way, aim to increase customer satisfaction as well utilization compared settings where only from grid exists. We assume a single station exist present three alternative formulations problem V2G V2V transfer: (a) without additional grid, (b) (c) battery backup storage. all cases, formulate problems using Mixed Integer...

10.1109/smartgridcomm.2016.7778778 article EN 2016-11-01

<sec> <title>BACKGROUND</title> A significant number of individuals undergoing Coronary Computed Tomography Angiography (CCTA) for suspected Artery Disease (CAD) have non-obstructive or no CAD. There is a need clinically proven models that can predict the pre-test probability (PTP) stable CAD and help to identify low-risk individuals. Optimizing patient stratification paramount importance improve diagnostic yield cost-effectiveness. </sec> <title>OBJECTIVE</title> study being carried out...

10.2196/preprints.67697 preprint EN 2025-01-02

We consider the problem of managing Electric Vehicle (EV) charging at points in a city to ensure that load on remains within desired limits while minimizing inconvenience EV owners.We develop solutions treat and users as self-interested agents aim maximize their profit minimize impact schedule. In particular, we propose variants decentralised dynamic approach well an optimal centralised static approach. evaluated these real setting based road network location parking garages UK show...

10.1109/smartgridcomm.2013.6687944 article EN 2013-10-01

The digitization of the healthcare domain has potential to drastically improve services, reduce time diagnosis, and lower costs. However, digital applications for need be interoperable maximize their potential. Additionally, with rapid expansion Artificial Intelligence (AI) and, specifically, Machine Learning (ML), large amounts diverse types data are being utilized. Thus, achieve interoperability in such applications, adoption common semantic models becomes imperative. In this paper, we...

10.1016/j.jss.2024.112093 article EN cc-by-nc Journal of Systems and Software 2024-05-16

We study a setting where electric vehicles (EVs) can be hired to drive from pick-up drop-off points in mobility-on-demand (MoD) scheme. Each point the MoD scheme is equipped with battery swap facility that helps cope EVs' limited range. The goal of system maximise number customers are serviced. Thus, we first model and solve this problem optimally using Mixed-Integer Programming (MIP) techniques show solution scales up medium sized problems. Given this, develop greedy heuristic algorithm...

10.1109/itsc.2015.220 article EN 2015-09-01

This paper presents a novel energy management framework for multi-agent coordination in smart buildings. The builds on top of an existing Service-Oriented middleware Ambient Intelligence, which offers sensor and actuator functions wireless devices. also provides semantics infrastructure that assists authoring agent policies reducing consumption maximizing user comfort. Each within the is responsible monitoring environmental context controlling electrical appliances specific room. However,...

10.1109/dexa.2014.39 article EN 2014-09-01

In this paper we schedule the travel path of a set drones across graph where nodes need to be visited multiple times at pre-defined points in time. This is an extension well-known traveling salesman problem. The proposed formulation can applied several domains such as monitoring traffic flows transportation network, or remote locations assist search and rescue missions. Aiming find optimal schedule, problem formulated Integer Linear Program (ILP). Given that highly combinatorial, solution...

10.1109/itsc45102.2020.9294568 preprint EN 2020-09-20

In this work, the travel path of a set drones is scheduled across graph, where nodes need to be visited multiple times at pre-defined points in time. The can either demand requesting monitoring, or supply that are used as take-off/landing locations for and battery replacement cope with limited flying range drones. This an extension well-known traveling salesman problem proposed formulation applied several domains such monitoring traffic flows transportation network, remote assist search...

10.1109/tits.2021.3137359 article EN IEEE Transactions on Intelligent Transportation Systems 2021-12-31

EVLib is a Java library for the management and simulation of number Electric Vehicle (EV) activities, at charging station level, within Smart Grid environment. aims to solve interoperability issues between Artificial Intelligence (AI)-related techniques already applied in this field. Thus, it provides simple, yet efficient interface all major EV-related activities such as dis-charging batteries, well battery swapping. Moreover, large parameters, chargers, waiting queues, available energy can...

10.1145/2903220.2903225 article EN 2016-05-11

The industry related to electric vehicles (EVs) has seen a substantial increase in recent years, as such have the ability significantly reduce total CO2 emissions and global warming effect. In this paper, we focus on problem of allocating EVs charging stations, scheduling pricing their charging. Specifically, developed Mixed Integer Program (MIP) which executes offline optimally allocates stations. On top, propose two alternative mechanisms price electricity charge. first mechanism is...

10.3390/en15051660 article EN cc-by Energies 2022-02-23

Preterm birth (PTB) is defined as delivery occurring before 37 weeks of gestation. In this paper, Artificial Intelligence (AI)-based predictive models are adapted to accurately estimate the probability PTB. doing so, pregnant women' objective results and variables extracted from screening procedure in combination with demographics, medical history, social other data used. A dataset consisting 375 women used a number alternative Machine Learning (ML) algorithms applied predict The ensemble...

10.3233/shti230207 article EN cc-by-nc Studies in health technology and informatics 2023-05-18

The electrification of transport can significantly reduce CO2 emissions and their negative impact on the environment. In this paper, we study problem allocating Electric Vehicles (EVs) to charging stations scheduling charging. We develop an offline solution that treats EV users as self-interested agents aim maximise profit minimise schedule. formulate optimal station allocation a Mixed Integer Programming (MIP) one propose two pricing mechanisms: A fixed-price one, another is based well...

10.1145/3411408.3411434 article EN 2020-09-01

Highly populated cities face several challenges, one of them being the intense traffic congestion. In recent years, concept Urban Air Mobility has been put forward by large companies and organizations as a way to address this problem, approach rapidly gaining ground. This disruptive technology involves aerial vehicles (AVs) for hire that can be utilized customers travel between locations within cities. potential drastically decrease congestion reduce air pollution, since these typically use...

10.1109/vnc52810.2021.9644626 article EN 2021-11-10

Obstructive coronary artery disease (CAD) is characterized as significant upon detection of stenosis diameter. In this paper, we adapt Artificial Intelligence (AI)-based predictive models to accurately estimate the pretest likelihood obstructive CAD on computed tomography angiography (CCTA) in patients with suspected CAD. doing so, use patients' objective results and variables extracted from screening procedure combination demographics, medical history, social other data. We a dataset...

10.1145/3575879.3576014 article EN 2022-11-25
Coming Soon ...