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Πλοήγηση ανά Θέμα "Probability"

Αποτελέσματα 1-20 από 23

    • Autoantibodies in patients with systemic sclerosis and cancer: A case-control study 

      Derk, C. T.; Sakkas, L. I.; Rasheed, M.; Artlett, C.; Jimenez, S. A. (2003)
      Objective. To determine the prevalence of specific autoantibodies in a cohort of patients with systemic sclerosis (SSc) and a diagnosis of cancer, and to compare it to that in a group of patients with SSc who were never ...

    • Bayesian estimation of the true prevalence of paratuberculosis in Hungarian dairy cattle herds 

      Ozsvari L., Lang Z., Monostori A., Kostoulas P., Fodor I. (2020)
      Paratuberculosis is a chronic incurable disease caused by Mycobacterium avium subsp. paratuberculosis (MAP), which leads to extensive economic losses on dairy farms, and may also pose serious public health risk to the ...

    • Bayesian methodology for structural damage identification and reliability assessment 

      Papadimitriou, C.; Ntotsios, E. (2009)
      A Bayesian framework is presented for structural model selection and damage identification utilizing measured vibration data. The framework consists of a two-level approach. At the first level the problem of estimating the ...

    • Convergences in fuzzy topological spaces 

      Georgiou, D. N.; Papadopoulos, B. K. (1999)
      In this paper we introduce the notions of fuzzy upper limit, fuzzy lower limit and the fuzzy continuous convergence on the set of fuzzy continuous functions. In examining these aforementioned notions in the present paper ...

    • Coverage Aspects of Indoor VLC Networks 

      Vavoulas A., Sandalidis H.G., Tsiftsis T.A., Vaiopoulos N. (2015)
      Achieving both illumination and data reception with probability almost one inside a specific indoor environment is not an effortless task in visible light communication (VLC) networks. Several factors such as error ...

    • Early gastrostomy reduces the rate of ventilator-associated pneumonia in stroke or head injury patients 

      Kostadima, E.; Kaditis, A. G.; Alexopoulos, E. I.; Zakynthinos, E.; Sfyras, D. (2005)
      Presence of a nasogastric tube is a risk factor for the development of ventilator-associated pneumonia (VAP). Alternatively, gastrostomy can be used for administration of enteral feedings. To determine whether early ...

    • Endothelin-1 plasma levels in hemodialysis treatment - The influence of type 2 diabetes 

      Liakopoulos, V.; Wurth, P.; Mertens, P. R.; Eleftheriadis, T.; Kourti, P.; Voliotis, G.; Heintz, B.; Koukoulis, G. N.; Stefanidis, I. (2005)
      In patients on chronic hemodialysis the prevalence of atherosclerosis is increased and is by far the leading cause of morbidity and mortality. Endothelin-1, an endothelium-derived peptide with vasoconstrictive and mitogenic ...

    • Enhancing QoS Through Fluid Antenna Systems over Correlated Nakagami-m Fading Channels 

      Tlebaldiyeva L., Nauryzbayev G., Arzykulov S., Eltawil A., Tsiftsis T. (2022)
      Fluid antenna systems (FAS) enable mechanically flexible antennas that offer adaptability and flexibility for modern communication devices. In this work, we present a conceptual model for a single-antenna N-port (SANP) FAS ...

    • Evolutionary fuzzy multi-objective routing for wireless mobile ad hoc networks 

      Marwaha, S.; Srinivasan, D.; Tham, C. K.; Vasilakos, A. (2004)
      The complexity involved in implementing multi-objective routing in computer networks has led to many researchers exploring alternate solutions with the use of heuristic based techniques. The rationale underlying the use ...

    • A generalized cost optimal decision model for record matching 

      Verykios, V. S.; Moustakides, G. V. (2004)
      Record (or entity) matching or linkage is the process of identifying records in one or more data sources, that refer to the same real world entity or object. In record linkage, the ultimate goal of a decision model is to ...

    • Impact of a Randomly Placed Terminal on LiFi Performance 

      Vaiopoulos N., Vavoulas A., Sandalidis H.G. (2022)
      The ambitious goal of light-fidelity (LiFi) technology to provide seamless user mobility in indoor environments requires strong link connections to confront any stochasticity that possibly comes out. In this context, a ...

    • Incorporating diffusion-weighted imaging in a diagnostic algorithm for multiparametric MR mammography 

      Vassiou K., Fanariotis M., Tsougos I., Fezoulidis I. (2022)
      Background: Apparent diffusion coefficient (ADC) measurements are not incorporated in BI-RADS classification. Purpose: To assess the probability of malignancy of breast lesions at magnetic resonance mammography (MRM) at 3 ...

    • Motor function and the probability of prodromal Parkinson's disease in older adults 

      Maraki M.I., Stefanis L., Yannakoulia M., Kosmidis M.H., Xiromerisiou G., Dardiotis E., Hadjigeorgiou G.M., Sakka P., Scarmeas N., Stamelou M. (2019)
      Background: Identification and characterization of Parkinson's disease (PD) in its prodromal stage is crucial. Objective: The objective of this study was to investigate the association between motor function and the ...

    • New Antenna Selection Schemes for Full-Duplex Cooperative MIMO-NOMA Systems 

      Mobini Z., Mohammadi M., Tsiftsis T.A., Ding Z., Tellambura C. (2022)
      In this paper, we address the antenna selection (AS) problem in full-duplex (FD) cooperative non-orthogonal multiple access (NOMA) systems, where a multi-antenna FD relay bridges the connection between the multi-antenna ...

    • On fuzzy theta-convergences 

      Georgiou, D. N.; Papadopoulos, B. K. (2000)
      In this paper we introduce and study the notions of fuzzy theta -convergence and weakly theta -convergence on a fuzzy topological space. These notions can be considered as generalizations of the convergence defined in ...

    • On Using Raft Over Networks: Improving Leader Election 

      Choumas K., Korakis T. (2022)
      Raft is a state-of-the-art consensus algorithm for state replication over a distributed system of nodes. According to Raft, all state updates occurring anywhere in the system are forwarded to the leader, which is elected ...

    • Optimal jamming attack strategies and network defense policies in wireless sensor networks 

      Li, M.; Koutsopoulos, I.; Poovendran, R. (2010)
      We consider a scenario where a sophisticated jammer jams an area in which a single-channel random-access-based wireless sensor network operates. The jammer controls the probability of jamming and the transmission range in ...

    • Outage Probability of a Multisensor Mixed UOWC-FSO Setup 

      Christopoulou C., Sandalidis H.G., Ansari I.S. (2019)
      The performance of a network consisting of several underwater sensors communicating with a terrestrial destination is studied for the first time in terms of the outage probability. In the scenario under consideration, K ...

    • Plasma Glutathione and Prodromal Parkinson's Disease Probability 

      Charisis S., Ntanasi E., Stamelou M., Xiromerisiou G., Maraki M., Veskoukis A.S., Yannakoulia M., Kosmidis M.H., Anastasiou C.A., Giagkou N., Dardiotis E., Hadjigeorgiou G., Sakka P., Kouretas D., Stefanis L., Scarmeas N. (2022)
      Background: A decrease in glutathione (GSH) levels is considered one of the earliest biochemical changes in Parkinson's disease (PD). Objective: The authors explored the potential role of plasma GSH as a risk/susceptibility ...

    • Robust and Reliability-Based Structural Topology Optimization Using a Continuous Adjoint Method 

      Papadimitriou D.I., Papadimitriou C. (2016)
      A unified framework for robust and reliability-based structural topology optimization, considering structural model and loading uncertainties, is presented using a continuous adjoint formulation. The topology optimization ...