Όλο το DSpace

Πλοήγηση ανά Τίτλο

Αποτελέσματα 4404-4423 από 49724

    • Delusions and hallucinations are associated with worse outcome in Alzheimer disease 

      Scarmeas, N.; Brandt, J.; Albert, M.; Hadjigeorgiou, G.; Papadimitriou, A.; Dubois, B.; Sarazin, M.; Devanand, D.; Honig, L.; Marder, K.; Bell, K.; Wegesin, D.; Blacker, D.; Stern, Y. (2005)
      Background: Delusions and hallucinations are common in Alzheimer disease (AD) and there are conflicting reports regarding their ability to predict cognitive decline, functional decline, and institutionalization. According ...

    • Demand data modelling for microscopic traffic simulation 

      Savrasovs M., Pticina I., Zemlyanikin V., Karakikes I. (2018)
      The current paper aim is to present the technique of demand data modelling for microscopic simulation of the traffic flows. Traffic microscopic simulation is a powerful decision supporting tool, which could be applied for ...

    • The demand for defense spending in Russia: Economic and strategic determinants 

      Kollias C., Paleologou S.-M., Tzeremes P., Tzeremes N. (2018)
      The allocation of resources to defense and national security is influenced by several factors, both domestic and external. Findings, reported in the relevant empirical literature, suggest that military spending is determined ...

    • The demand for military spending in Latin American countries 

      Kollias C., Paleologou S.M., Tzeremes P., Tzeremes N. (2018)
      The allocation of resources to defence and national security is influenced by several factors, both domestic and external. Empirical findings suggest that military spending is determined by economic, strategic, political, ...

    • Demand Response using Admission Control 

      Koliopoulos K., Koutitas G., Tassiulas L. (2016)
      This paper presents a novel and scalable Demand Response (DR) implementation for smart grid applications using admission control algorithms. Subscribers are assumed to send requests to enter to utility's DR programs whereas ...

    • A demand-driven, proactive tasks management model at the edge 

      Karanika A., Oikonomou P., Kolomvatsos K., Loukopoulos T. (2020)
      Tasks management is a very interesting research topic for various application domains. Tasks may have the form of analytics or any other processing activities over the available data. One of the main concerns is to efficiently ...

    • The demands of daily life activities relative to maximum capacities after muscle damage 

      Καρβούνη, Ευγενία (2015)

    • Dementia incidence in the elderly population of greece: Results from the HELIAD study 

      Vlachos G.S., Kosmidis M.H., Yannakoulia M., Dardiotis E., Hadjigeorgiou G., Tzoulaki I., Georgiou A.N., Sakka P., Anastasiou C.A., Stefanis L., Scarmeas N. (2021)
      Objectives:Recently a declining trend in dementia incidence rates has been reported in high-income countries. We investigated dementia incidence in a representative sample of the Greek population in the age group of 65 ...

    • Dementia Prevalence in Greece 

      Kosmidis M.H., Vlachos G.S., Anastasiou C.A., Yannakoulia M., Dardiotis E., Hadjigeorgiou G., Sakka P., Ntanasi E., Scarmeas N. (2018)
      Introduction: Study of the epidemiology of dementia to gain insight into putative predisposing and prophylactic factors is the first step toward establishing effective preventive and therapeutic strategies for this ...

    • Demo: Design and Implementation of an Open-Source NB-IoT Core Network 

      Tzimotoudis P., Makris N., Korakis T. (2021)
      Extended adoption of network softwarization is a key feature of 5G and beyond networks. Embracing control and user plane separation, network services comprising the RAN to core chain of network services can be realized ...

    • Demo: Enabling AGILE spectrum adaptation in commercial 802.11 WLAN deployments 

      Keranidis, S.; Chounos, K.; Korakis, T.; Koutsopoulos, I.; Tassiulas, L. (2014)
      In this work, we present the AGILE Spectrum Adaptation system that is able to dynamically tune the channel central frequency and bandwidth of wireless links in an adaptive to the interference and trafic conditions way. The ...

    • Demo: Enabling asynchronous awakenings in wireless sensor networks towards removing duty-cycle barriers 

      Kazdaridis G., Skrimponis P., Zographopoulos I., Symeonidis P., Korakis T., Tassiulas L. (2017)
      Typical wireless sensor network applications follow duty-cycle mechanisms, yielding important energy savings by reducing the power consumption of idle listening. However, this approach still dictates predefined cycles of ...

    • Demo: Experimentation in controlled and operational LTE settings with FLEX-MONROE 

      Fida M.-R., Kousias K., Lutu A., Rajiullah M., Alay O., Brunstrom A., Argyriou A. (2017)
      This demo paper presents FLEX-MONROE, a platform that facilitates better understanding of current LTE Mobile Broadband (MBB) networks and enables performance improvements by allowing experimentation with controllable LTE ...

    • Demo: In-situ power consumption meter for sensor networks supporting extreme dynamic range 

      Kazdaridis G., Zographopoulos I., Symeonidis P., Skrimponis P., Korakis T., Tassiulas L. (2017)
      Typical wireless sensor devices feature an extreme power consumption range between their active and sleep states, thus requiring different hardware setups for measuring their expenditure with high accuracy. In this demo ...

    • Demo: Lora mesh network experimentation in a city-wide testbed 

      Tzimotoudis P., Keranidis S., Kazdaridis G., Symeonidis P., Korakis T. (2019)
      LoRa is a low-power long-range Internet of Things (IoT) standard that offers remarkable performance, especially in remote rural areas. However the single-hop nature of current LoRa networks, poses significant challenges ...

    • Demo: Nano power draw in duty-cycled wireless sensor networks 

      Kazdaridis G., Zographopoulos I., Sidiropoulos N., Symeonidis P., Korakis T. (2019)
      In this work we present a novel power management architecture for Wireless Sensor Network devices towards minimizing the power consumption when nodes remain in sleep state. Specifically, we propose the employment of an ...

    • Demo: Online energy consumption monitoring of wireless testbed infrastructure through the NITOS EMF framework 

      Keranidis, S.; Kazdaridis, G.; Passas, V.; Korakis, T.; Koutsopoulos, I.; Tassiulas, L. (2013)
      Development of energy-efficient protocols and algorithms requires in-depth understanding of the power consumption characteristics of real world devices. To this aim, energy efficiency analysis is performed by the research ...

    • Demo: Real LTE experimentation in a controlled environment 

      Maglogiannis V., Naudts D., Moerman I., Makris N., Korakis T. (2015)
      LTE, commonly known as 4G, stands for Long-Term Evolution and is a wireless communication technology standardized by 3GPP. LTE adoption has increased drastically over the last years, and today is integrated widely in a ...

    • Democracy and an open-economy world order 

      Bitros G.C., Kyriazis N.C. (2017)
      The essays in this volume explore several key issues facing democracies today. They discuss the dilemma of how to protect civil liberties and individual freedoms in the light of external threats and assess the policies ...

    • Democracy and economic progress in the work of J. S. Mill 

      Zouboulakis M.S. (2017)
      [No abstract available]