Nikos Kefalakis

ORCID: 0000-0002-3855-2279
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About
Contact & Profiles
Research Areas
  • IoT and Edge/Fog Computing
  • RFID technology advancements
  • Service-Oriented Architecture and Web Services
  • Digital Transformation in Industry
  • Mobile Crowdsensing and Crowdsourcing
  • Cloud Computing and Resource Management
  • Advanced Database Systems and Queries
  • Scientific Computing and Data Management
  • Blockchain Technology Applications and Security
  • Advanced Malware Detection Techniques
  • Flexible and Reconfigurable Manufacturing Systems
  • Network Security and Intrusion Detection
  • Context-Aware Activity Recognition Systems
  • Big Data and Business Intelligence
  • Energy Efficient Wireless Sensor Networks
  • Explainable Artificial Intelligence (XAI)
  • Modular Robots and Swarm Intelligence
  • Energy Harvesting in Wireless Networks
  • Fault Detection and Control Systems
  • Privacy, Security, and Data Protection
  • Software Testing and Debugging Techniques
  • Information and Cyber Security
  • Manufacturing Process and Optimization
  • Distributed and Parallel Computing Systems
  • Sustainable Industrial Ecology

INTRASOFT International (Luxembourg)
2019-2024

Athens Information Technology
2008-2022

Imerys (Greece)
2022

INTRASOFT International (Greece)
2021

Technological Educational Institute of Athens
2013

Aalborg University
2011

In recent years, there is a surge of interest in approaches pertaining to security issues Internet Things deployments and applications that leverage machine learning deep techniques. A key prerequisite for enabling such the development scalable infrastructures collecting processing security-related datasets from IoT systems devices. This paper introduces configurable data collection infrastructure data-driven security. It emphasizes (security) different elements systems, including individual...

10.1109/giots.2019.8766407 article EN 2019-06-01

This paper introduces the stack for service delivery models and interoperability in Internet of Things. The main characteristics functional layers IoT are described. applicability is described based on particular use cases deployed pilots. validation terms functionality adaptation at different areas Virtual Development Kit (VDK) developed implemented within framework OpenIoT project-OpenIoT project awarded Things open-source rookie year by BlackDuck Software Co. (www.github.com/OpenIotOrg)....

10.1109/jsac.2015.2393491 article EN IEEE Journal on Selected Areas in Communications 2015-01-16

Predictive Analytics and Machine Learning (ML) are at the heart of some most popular Industry 4.0 applications such as condition-based monitoring, predictive maintenance, quality management. To support implementation use cases, various ML models have been proposed validated in research literature. This paper introduces a novel set machine learning algorithms for Industry4.0 namely QARMA algorithms, which capable mining quantitative rules. present several advantages when compared to...

10.1109/dcoss49796.2020.00043 article EN 2020-05-01

Predictive maintenance is one of the most prominent use case smart manufacturing in Industry4.0. Nevertheless, development predictive systems still challenging as a result need to integrate multiple fragmented data sources, research and apply advanced analytics, close loop field order provide actionable intelligence. The paper presents architecture, design practical implementation an end-to-end system that addresses these challenges. has been successfully deployed two factories positively...

10.1016/j.ifacol.2020.11.028 article EN IFAC-PapersOnLine 2020-01-01

By following an analysis of the state art in convergence cloud computing and Internet Things (IoT), this paper presents design principles for IoT environments. A framework on-demand establishment services based on automated formulation societies internet-connected objects is described interactions between architecture modules are explained detail to validate approach. The main building blocks functional its operational components follow utility-driven cloud-based model. leverages well-known...

10.1504/ijwgs.2014.060254 article EN International Journal of Web and Grid Services 2014-01-01

In recent years there has been a growing interest in Circular Economy (CE), which promises to reduce waste and improve sustainability. The promise of CE is change the conventional "take–make–dispose" that causes massive flows based on integration demanufacturing remanufacturing processes within value chains. This requires breaking "silos" circular chain establish new collaborative sustainable networks. paper introduces novel digital platform for CE, currently under development H2020...

10.1016/j.promfg.2021.07.011 article EN Procedia Manufacturing 2021-01-01

Infrastructures enabling experimental assessment of Internet Things (IoT) solutions are scarce. Moreover, such infrastructures typically bound to a specific application domain, thus, not facilitating the testing with horizontal approach. This paper presents platform that supports Experimentation as s Service (EaaS) over federation IoT testbeds. brings two major advances. First, it leverages semantic web technologies enable interoperability so testbed agnostic access underlying facilities is...

10.1109/access.2018.2867452 article EN cc-by IEEE Access 2018-01-01

RFID middleware is a cornerstone of non-trivial deployments in complex heterogeneous environments. In this demonstration, we introduce and present the AspireRfid platform using demonstrators area Supply Chain management Near Field Communications. The provides support for applications several fields including supply-chain management, logistics, access control, asset pharmaceuticals. demonstration traceability application logistics supply chain as well pick pack application. implements...

10.1145/1462735.1462751 article EN 2008-12-01

Executing analytics functionalities over data from highly distributed sources and streams is at the very core of vast majority Industrial Internet Things (IIoT) applications. State art streaming engines provide means for high performance velocity IIoT streams, yet they still need significant programming customization efforts when deployed in heterogeneous industrial environments. This paper introduces a configurable engine The leverages state middleware platforms, which it augments with set...

10.1109/dcoss.2019.00048 article EN 2019-05-01

One of the main challenges in modern Internet Things (IoT) systems is efficient collection, routing and management data streams from heterogeneous sources, including sources with high ingestion rates. Despite existence various IoT streaming frameworks, there still no easy way for collecting configurable ways that are to be implemented deployed realistic environments. In this paper, we introduce a programmable engine Distributed Data Analytics (DDA), which eases task different accordingly,...

10.3390/info10120360 article EN cc-by Information 2019-11-20

The management performance of cloud systems is measured by the capacity for controlling virtual infrastructures and their capability to run parallel-computing applications distributed-processing services independently. challenge about how this can be done more dynamically (self-organization) means distributed user data application demands yet an area explore. This paper introduces first a functional architecture design, following principles cloud-based service lifecycle control composition...

10.1109/cloudcom.2013.70 article EN 2013-12-01

In response to contemporary security challenges for Internet of Things systems, this paper introduces an architectural framework data driven monitoring and automation. The architecture supports advanced analytics detecting anomalies at all layers IoT system, based on a powerful mechanism reusable templates. Also, the provides concrete example data-driven smart objects, use deep learning algorithms their implementation over introduced framework. are successfully deployed used effective...

10.1109/wpmc48795.2019.9096076 article EN 2019-11-01

Radio Frequency Identification (RFID) has been promoted, as the solution to identification and tracking of objects, without any means wires or human intervention. RFID middleware is a prominent component non-trivial deployment. EPCglobal actively working towards set standards for large scale interoperable deployments (such Electronic Product Code Application Level Events (EPC-ALE) Information Sharing (EPCIS) standards), while several projects have concentrated in implementation these...

10.1109/rfid-ta.2011.6068642 article EN 2011-09-01
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