Search Results - "Pappas, Nikolaos"

Accommodation decision-making during the COVID-19 pandemic: Complexity insights from Greece by Pappas, Nikolaos, Glyptou, Kyriaki

“…•The paper examines the COVID-19 effect upon peoples’ accommodation decisions.•The study is based on chaos and complexity theories, and examines the tourism…”
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Age of information performance of multiaccess strategies with packet management by Kosta, Antzela, Pappas, Nikolaos, Ephremides, Anthony, Angelakis, Vangelis

“…We consider a system consisting of N source nodes communicating with a common receiver. Each source node has a buffer of infinite capacity to store incoming…”
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On the Age of Information in a Two-User Multiple Access Setup by Salimnejad, Mehrdad, Pappas, Nikolaos

“…This work considers a two-user multiple access channel in which both users have Age of Information (AoI)-oriented traffic with different characteristics. More…”
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Finding functional associations between prokaryotic virus orthologous groups: a proof of concept by Pappas, Nikolaos, Dutilh, Bas E

“…Abstract Background The field of viromics has greatly benefited from recent developments in metagenomics, with significant efforts focusing on viral discovery…”
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Information freshness and packet drop rate interplay in a two-user multi-access channel by Fountoulakis, Emmanouil, Charalambous, Themistoklis, Nomikos, Nikolaos, Ephremides, Anthony, Pappas, Nikolaos

“…In this work, we combine the two notions of timely delivery of information to study their interplay; namely, deadline -constrained packet delivery due to…”
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A wireless caching helper system with heterogeneous traffic and random availability by Avgouleas, Ioannis, Pappas, Nikolaos, Angelakis, Vangelis

“…Multimedia content streaming from Internet-based sources emerges as one of the most demanded services by wireless users. In order to alleviate excessive…”
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Nasal Septum Perforation Repair: Simplicity and low Morbidity Using the Temporalis Fascia and Silicone Films by Anastasopoulos, George, Pappas, Nikolaos, Grigoriadis, George, Shihada, Amir, Troupis, Theodore

“…Aim : We present a new, simple, and effective method for the closure of nasal septal perforations based on prolonged isolation of the surgical site. Nasal…”
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Integrating taxonomic signals from MAGs and contigs improves read annotation and taxonomic profiling of metagenomes by Hauptfeld, Ernestina, Pappas, Nikolaos, van Iwaarden, Sandra, Snoek, Basten L., Aldas-Vargas, Andrea, Dutilh, Bas E., von Meijenfeldt, F. A. Bastiaan

“…Metagenomic analysis typically includes read-based taxonomic profiling, assembly, and binning of metagenome-assembled genomes (MAGs). Here we integrate these…”
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Benchmarking bioinformatic virus identification tools using real-world metagenomic data across biomes by Wu, Ling-Yi, Wijesekara, Yasas, Piedade, Gonçalo J, Pappas, Nikolaos, Brussaard, Corina P D, Dutilh, Bas E

“…As most viruses remain uncultivated, metagenomics is currently the main method for virus discovery. Detecting viruses in metagenomic data is not trivial. In…”
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On the Interplay between Deadline-Constrained Traffic and the Number of Allowed Retransmissions in Random Access Networks by Nomikos, Nikolaos, Charalambous, Themistoklis, Wichman, Risto, Pignolet, Yvonne-Anne, Pappas, Nikolaos

“…In this paper, a network comprising wireless devices equipped with buffers transmitting deadline-constrained data packets over a slotted-ALOHA random-access…”
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Henry Ingersoll Bowditch: The Prominent Physician Who Introduced Thorax Examination and Trocar Thoracentesis in the United States of America by Zougou, Theoni, Pappas, Nikolaos, Mavrommatis, Evaggelos

“…Born in a wealthy family with a tradition in science, Henry Ingersoll Bowditch (1808-1882) with studies at Harvard Medical School and in Europe had succeeded…”
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Optimizing Information Freshness in a Multiple Access Channel With Heterogeneous Devices by Chen, Zheng, Pappas, Nikolaos, Bjornson, Emil, Larsson, Erik G.

“…In this work, we study age-optimal scheduling with stability constraints in a multiple access channel with two heterogeneous source nodes transmitting to a…”
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COVID19: Holiday intentions during a pandemic by Pappas, Nikolaos

“…The travel, tourism and hospitality industries have been the worst affected of the world's major economic sectors during the COVID19 pandemic, which has had a…”
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Throughput and Delay Analysis of Wireless Caching Helper Systems With Random Availability by Pappas, Nikolaos, Chen, Zheng, Dimitriou, Ioannis

“…In this paper, we investigate the effect of bursty traffic and random availability of caching helpers in a wireless caching system. More explicitly, we…”
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Performance analysis of congestion-aware secure broadcast channels by Arvanitaki, Antonia, Pappas, Nikolaos, Carlsson, Niklas, Mohapatra, Parthajit, Burdakov, Oleg

“…Congestion-aware scheduling in case of downlink cellular communication has ignored the distribution of diverse content to different clients with heterogeneous…”
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Performance of Flow Allocation with Successive Interference Cancelation for Random Access WMNs by Ploumidis, Manolis, Pappas, Nikolaos, Traganitis, Apostolos

“…In this study, we explore the gain that can be achieved by jointly allocating flow on multiple paths and applying successive interference cancelation (SIC),…”
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Semantics-Aware Active Fault Detection in Status Updating Systems by Stamatakis, George, Pappas, Nikolaos, Fragkiadakis, Alexandros, Petroulakis, Nikolaos, Traganitis, Apostolos

“…With its growing number of deployed devices and applications, the Internet of Things (IoT) raises significant challenges for network maintenance procedures. In…”
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Performance Analysis of a Cache-Aided Wireless Heterogeneous Network With Secrecy Constraints by Smpokos, Georgios, Chen, Zheng, Mohapatra, Parthajit, Pappas, Nikolaos

“…In this paper, we analyze the impact of caching on the performance of a cache enabled system with heterogeneous traffic where one of the users need to be…”
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QoS Aware Robot Trajectory Optimization With IRS-Assisted Millimeter-Wave Communications by Tatino, Cristian, Pappas, Nikolaos, Yuan, Di

“…This paper considers the motion energy minimization problem for a robot that uses millimeter-wave (mm-wave) communications assisted by an intelligent…”
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Marketing strategies, perceived risks, and consumer trust in online buying behaviour by Pappas, Nikolaos

“…Despite the rapid increase in online shopping, the literature is silent in terms of the interrelationship between perceived risk factors, the marketing…”
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