School of Information Sciences

 

English: Here you can find all the Academic Publications of the Faculty of the School of Information Sciences of the Neapolis University in Cyprus

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  • Image classification by addition of spatial information based on histograms of orthogonal vectors 

    Zafar, Bushra; Ashraf, Rehan; Ali, Nouman; Ahmed, Mudassar; Jabbar, Sohail; Chatzichristofis, Savvas A. (PLOS ONE, 2018-06-08)
    The Bag-of-Visual-Words (BoVW) model is widely used for image classification, object recognition and image retrieval problems. In BoVW model, the local features are quantized and 2-D image space is represented in the form ...

  • Quantifying integration quality using feedback on mapping results 

    Serrano, Fernando R. S.; Fernandes, Alvaro A. A.; Christodoulou, Klitos (iiWAS2017, 2017)
    Traditional data integration delivers high integration quality but requires significant upfront effort because of the need for expensive experts to be involved. The pay-as-you-go approach to data integration aims to reduce ...

  • A Real-time Targeted Recommender System for Supermarkets 

    Christodoulou, Panayiotis; Christodoulou, Klitos; Andreou, Andreas S. (SciTePress-Publication, 2017)
    Supermarket customers find it difficult to choose from a large variety of products or be informed for the latest offers that exist in a store based on the items that they need or wish to purchase. This paper presents a ...

  • CoMo: A Compact Composite Moment-Based Descriptor for Image Retrieval 

    Vassou, Sotiris A.; Anagnostopoulos, Nektarios; Amanatiadis, Angelos; Christodoulou, Klitos; Chatzichristofis, Savvas A. (ACM, 2017-06-19)
    Low level features play a vital role in image retrieval. Image moments can effectively represent global information of image content while being invariant under translation, rotation, and scaling. This paper briefly presents ...

  • CoMo: a scale and rotation invariant compact composite moment-based descriptor for image retrieval 

    Vassou, S. A.; Anagnostopoulos, N.; Amanatiadis, A.; Chatzichristofis, Savvas A.; Christodoulou, Klitos (Springer International Publishing, 2018-03-01)
    Low level features play a significant role in image retrieval. Image moments can effectively represent global information of image content while being invariant under translation, rotation, and scaling. This paper presents ...

  • WSN Evaluation in Industrial Environments First results and lessons learned 

    Poettner, W.; Wolf, L.; Cecílio, José; Furtado, Pedro; Mendão Silva, Ricardo; Sá Silva, Jorge; Cardoso, Alberto; Brown, J.; Sreenan, C.; Klein, A.; Roedig, U.; Vassiliou, Vasos; Voigt, T.; Donovan, T. O.; He, Z.; Zinonos, Zinon; Carrilho de Sousa Gil, Paulo José (IEEE, 2011)
    The GINSENG project develops performance-controlled wireless sensor networks that can be used for time-critical applications in hostile environments such as industrial plant automation and control. GINSENG aims at integrating ...

  • Dynamic Topology Control for WSNs in Critical Environments 

    Zinonos, Zinon; Vassiliou, Vasos; Ioannou, Christiana; Koutroullos, Marios (IEEE, 2011)
    Plant automation and control are mission-critical applications and require timely and reliable data delivery, which is difficult to provide using a wireless technology. This is especially more difficult in industrial ...

  • Mobility in WSNs for Critical Applications 

    Silva, Ricardo; Zinonos, Zinon; Sá Silva, Jorge; Vassiliou, Vasos (IEEE, 2011)
    Recent critical application sectors of sensor networks like military, health care, and industry require the use of mobile sensor nodes, something that poses unique challenges in aspects like handoff delay, packet loss, and ...

  • Radio Propagation in Industrial Wireless Sensor Network Environments: From Testbed to Simulation Evaluation 

    Zinonos, Zinon; Vassiliou, Vasos; Christofides, Tasos C. (ACM, 2012)
    In recent years, sensor networks characteristics have led to incremental utilization in different types of applications. Several techniques have been proposed to evaluate the performance of WSNs; the two most popular being ...

  • Mobility Management in WSNs using Fuzzy Logic: An Industrial Application Scenario 

    Zinonos, Zinon; Chrysostomou, Chrysostomos; Vassiliou, Vasos (IEEE, 2012)
    Mobility management in Wireless Sensor Networks is considered to be of an up most importance for today's critical applications. In this paper, we present a soft mobility management solution where the mobility procedures ...

  • S-GinMob: Soft-Handoff Solution for Mobile Users in Industrial Environments 

    Zinonos, Zinon; Vassiliou, Vasos (IEEE, 2011)
    In current research studies and testbed deployments of sensor networks, individual sensor nodes are usually assumed to be static. However, recent applications require mobile sensor nodes, something that poses unique ...

  • Handoff Triggering for Wireless Sensor Networks with Performance Needs 

    Zinonos, Zinon; Vassiliou, Vasos; Chrysostomou, Chrysostomos (IEEE, 2013)
    In this paper, we deal with mobility management for wireless sensor networks and we focus on the first phase of a handoff procedure which is concerned with the mechanics of measuring important parameters and initiating ...

  • An Experimental Analysis of the Mobile IPv6 Handover Latency Components 

    Vassiliou, Vasos; Zinonos, Zinon (2009)
    This paper examines the handover process of Mobile IPv6 in a real wireless testbed, based on IEEE 802.11b and extracts information on the actions taken by network entities during the movement of a mobile node. This work ...

  • An Analysis of the Handover Latency Components in Mobile IPv6 

    Vassiliou, Vasos; Zinonos, Zinon (IEEE, 2009)
    This article analyses the latency components in Mobile IPv6 handovers. It provides real-implementation results for significant parts of the handover process through measurements in a real MIPv6 implementation on a wireless ...

  • The GINSENG System for Wireless Monitoring and Control: Design and Deployment Experiences 

    O'donovan, Tony; Brown, James; Büsching, Felix; Cardoso, Alberto; Cecílio, José; Do Ó, Jose; Furtado, Pedro; Gil, Paulo; Jugel, Anja; Pöttner, Wolf-Bastian; Roedig, Utz; Sá Silva, Jorge; Silva, Ricardo; Sreenan, Cormac J.; Vassiliou, Vasos; Voigt, Thiemo; Wolf, Lars; Zinonos, Zinon (ACM, 2013)
    Today’s industrial facilities, such as oil refineries, chemical plants, and factories, rely on wired sensor systems to monitor and control the production processes. The deployment and maintenance of such cabled systems is ...

  • Controlling the Handoff Procedure in an Oil Refinery Environment Using Fuzzy Logic 

    Zinonos, Zinon; Chrysostomou, Chrysostomos; Vassiliou, Vasos (IEEE, 2012)
    Mobility is one of the most important challenges in a wireless sensor system. Usually, continuous connectivity of a Mobile Node (MN) is achieved by supporting handoff from one connection point to another. In order to ...

  • Wireless sensor networks mobility management using fuzzy logic 

    Zinonos, Zinon; Chrysostomou, Chrysostomos; Vassiliou, Vasos (Elsevier, 2014)
    This paper presents a novel, intelligent controller to support mobility in wireless sensor networks. In particular, the focus is on the deployment of such mobility solution to critical applications, like personnel safety ...

  • Localized Global Descriptors for Image Retrieval: An Extensive Evaluation on Adaptations to the Simple Model 

    Anagnostopoulos, Nektarios; Iakovidou, Chrysanthi; Chatzichristofis, Savvas A.; Boutalis, Yiannis; Lux, Mathias (IEEE (Computer Society), 2016)
    SIMPLE (Searching Images with MPEG-7 (& MPEG-7-like) Powered Localized dEscriptors) is a model that proposes the reuse of well-established global descriptors by localizing their description mechanism on image patches located ...

  • The NOPTILUS project overview: A fully-autonomous navigation system of teams of AUVs for static/dynamic underwater map construction 

    Kapoutsis, A. Ch.; Salavasidis, G. V.; Chatzichristofis, Savvas A.; Braga, J.; Pinto, J.; Borges de Sousa, Joao; Kosmatopoulos, E. B. (IFAC (International Federation of Automatic Control), 2015)
    Within the project NOPTILUS, a fully functional system/methodology had been developed that allows the cooperative, fully-autonomous navigation of teams of AUVs when deployed in Static or Dynamic Underwater Map Construction ...

  • Color and Edge Directivity Descriptor on GPGPU 

    Iakovidou, Chrysanthi; Bampis, L.; Chatzichristofis, Savvas A.; Boutalis, Yiannis; Amanatiadis, A. (IEEE (Computer Society), 2015)
    Image indexing refers to describing the visual multimedia content of a medium, using high level textual information or/and low level descriptors. In most cases, images and videos are associated with noisy and incomplete ...

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