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Search results for: ATTITUDES, VIRTUAL COMMUNITIES, DISCRIMINATION, GENDER STUDIES, INTERNET, YOUTH, SOCIAL NETWORK SITES, SOCIOLOGY
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Równoległy Internet IPv6 QoS: Realizacja systemu zarządzania i sygnalizacji
PublicationW artykule przedstawiono realizację systemu zarządzania i sygnalizacji dla sieci IPv6 QoS. Sieć ta stanowi jeden z Równoległy Internetów w ramach Systemu IIP umożliwia-jącego wirtualizację infrastruktury sieci i zbudowanego w ramach projektu Inżynieria Internetu Przyszłości (IIP). System zarządzania siecią IPv6 QoS odpowiada za realiza-cję następujących procesów: proces tworzenia/usuwania Równoległego Internetu, wymiarowanie sieci,...
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Internet i media społecznościowe w procesie rekrutacji - perspektywa rekruterów
PublicationCelem artykułu jest wskazanie najpopularniejszych metod rekrutacyjnych opartych o techniki związane z Internetem i mediami społecznościowymi stosowanych obecnie przez rekruterów. Część empiryczna tekstu odwołuje się do wyników badań jakościowych zrealizowanych w oparciu o technikę wywiadu swobodnego, przeprowadzonych wśród profesjonalnych rekruterów, uczestniczących w procesie doboru pracowników do przedsiębiorstw. Wśród wniosków...
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O opóźnieniach, kompatybilności i dyliżansach, czyli jak działa Internet
PublicationW artykule podano przykłady usług internetowych o bardzo niskiej jakości. Wykazano, iż ogromny wpływ na jakość realizacji usług ma ciągłe wykorzystywanie w Internecie rozwiązań sprzed kilkudziesięciu lat. Pokazano jak budowa Internetu wpływa na opóźnienia przekazywania danych, oraz jak utrzymywanie zasady kompatybilności wstecznej uniemożliwia skokową poprawę jakości.
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Cross-layer integration of network mechanisms for increasing efficiency of multimedia session support in IEEE 802.11s environment
PublicationWith an IEEE 802.11 wireless networks operating in Point-to-Multipoint mode being the most popular WLAN access technology employed today, it can be expected that a Wireless Mesh Network (WMN) based on the technology can provide significant advantages for such network systems. The IEEE 802.11s standard amendment provides the comprehensive set of mechanisms required to implement and deploy a WMN utilizing this widely popular technology....
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Analysis of electromagnetic disturbances in DC network of grid connected building-integrated photovoltaic system
PublicationThis paper focuses on conducted electromagnetic interference (EMI) emissions and propagation in the DC network of grid connected building integrated photovoltaic (PV) system. The investigated PV system, consists of ten solar panels, cabling and the grid-connected one phase inverter. The EMI simulation model of the real PV system has been developed with the aid of impedance analyzer measurements of solar panels and the DC network...
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Relationship between gender and clinical characteristics, associated factors, and hypertension treatment in patients with resistant hypertension
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Measures of Heart Rate Variability in 24-h ECGs Depend on Age but Not Gender of Healthy Children
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Professional activity, gender and disease-related emotions: The impact on parents' experiences in caring for children with phenylketonuria
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The Effects of the Anthropological Race, Gender and Location of Verbal-Pictorial Stimuli on the Usability of Visual Information Conveyance
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THE 3D MODEL OF WATER SUPPLY NETWORK WITH APPLICATION OF THE ELEVATION DATA
Publication3D visualization is a key element of research and analysis and as the source used by experts in various fields e.g.: experts from water and sewage systems. The aim of this study was to visualize in three-dimensional space model of water supply network with relief. The path of technological development of GESUT data (Geodezyjna Ewidencja Sieci Uzbrojenia Terenu – geodetic records of public utilities) for water supply and measurement...
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The protection and monitoring of a distribution piping network for potable water supply
PublicationPurpose – The purpose of this paper is to implement the corrosion protection method for steel pipes used in a municipal water-pipe network. Results of an inhibitor protection system installed on the system are presented. Inhibitor protection was required due to the high corrosivity of the water collected by a surface intake, which had resulted in a large number of failures and low water quality, due to the presence of corrosion...
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Role of miR-15b/16–2 cluster network in endometrial cancer: An in silico pathway and prognostic analysis
PublicationEndometrial cancer (EC) is the second most common cancer in women. A large number of human cancers exhibit dysregulation of microRNA expression including EC. MiR-15b/16–2 is one of the best-known miRNA clusters that is expressed in many types of cancer tissues. Herein, we analyzed the expression of individual miR-15b/16–2 cluster members, its paralogues, and their target network analysis, as well as their prognostic significance...
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Selection of optimal location and rated power of capacitor banks in distribution network using genetic algorithm
PublicationIn this paper, the problem of placement and rated power of capacitor banks in the Distribution Network (DN) is considered. We try to suggest the best places for installing capacitor banks and define their reactive power. The considered formulation requires the optimization of the cost of two different objectives. Therefore the use of properly multiobjective heuristic optimization methods is desirable. To solve this problem we use...
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ReFlexeNN - the Wearable EMG Interface with Neural Network Based Gesture Classification
PublicationThe electromyographic activity of muscles was measured using a wireless biofeedback device. The aim of the study was to examine the possibility of creating an automatic muscle tension classifier. Several measurement series were conducted and the participant performed simple physical exercises - forcing the muscle to increase its activity accordingly to the selected scale. A small wireless device was attached to the electrodes placed...
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Guessing Intrinsic Forwarding Trustworthiness of Wireless Ad Hoc Network Nodes
PublicationA novel node misbehavior detection system called GIFTED is proposed for a multihop wireless ad hoc network (WAHN) whose nodes may selfishly refuse to forward transit packets. The system guesses the nodes’ intrinsic forwarding trustworthiness (IFT) by analyzing end-to-end path performance rather than utilizing unreliable and incentive incompatible low-layer mechanisms. It can work with occasional IFT jumps, directional antennae,...
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Distribution of gaseous and particle-bound Hg concentrations at the sites representative for urban and non-urban zones of Silesia Province
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Relationship of ground-level aerosol concentration and atmospheric electric field at three observation sites in the Arctic, Antarctic and Europe
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Network design for surface water quality monitoring in a road construction project using Gamma Test theory
PublicationRoad construction has a negative environmental impact on the surrounding aquatic environment, requiring the continuous monitoring of surface water quality. Here, optimization of the water quality monitoring network (WQMN) is an essential step in supporting the sustainable development of road construction projects. This study introduces Gamma Test theory (GTT) as a practical method for optimizing the WQMN of surface waters during...
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Study of Statistical Text Representation Methods for Performance Improvement of a Hierarchical Attention Network
PublicationTo effectively process textual data, many approaches have been proposed to create text representations. The transformation of a text into a form of numbers that can be computed using computers is crucial for further applications in downstream tasks such as document classification, document summarization, and so forth. In our work, we study the quality of text representations using statistical methods and compare them to approaches...
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Compressive Sensing Approach to Harmonics Detection in the Ship Electrical Network
PublicationThe contribution of this paper is to show the opportunities for using the compressive sensing (CS) technique for detecting harmonics in a frequency sparse signal. The signal in a ship’s electrical network, polluted by harmonic distortions, can be modeled as a superposition of a small number of sinusoids and the discrete Fourier transform (DFT) basis forms its sparse domain. According to the theory of CS, a signal may be reconstructed...
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TOXIC GASES IDENTIFICATION USING SINGLE ELECTROCATALYTIC SENSOR RESPONSES AND ARTIFICIAL NEURAL NETWORK
PublicationThe need for precise detection of toxic gases drives development of new gas sensors structures and methods of processing the output signals from the sensors. In literature, artificial neural networks are considered as one of the most effective tool for the analysis of gas sensors or sensors arrays responses. In this paper a method of toxic gas components identification using a electrocatalytic gas sensor as a detector and an artificial...
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Network-aware Data Prefetching Optimization of Computations in a Heterogeneous HPC Framework
PublicationRapid development of diverse computer architectures and hardware accelerators caused that designing parallel systems faces new problems resulting from their heterogeneity. Our implementation of a parallel system called KernelHive allows to efficiently run applications in a heterogeneous environment consisting of multiple collections of nodes with different types of computing devices. The execution engine of the system is open for...
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Organization of BBMRI.pl: The Polish Biobanking Network
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Universal Augmentation Schemes for Network Navigability
PublicationRozważano problem uzupełniania grafu (reprezentującego np. sieci społeczne) poprzez dodanie w każdym węźle jednego dodatkowego skierowanego połączenia (długodystansowego). Dokładniej, dla każdego węzła definiuje się listę prawdopodobieństw istnienia połączenia wychodzącego z danego węzła do wszystkich pozostałych węzłów; wartości tych prawdopodobieństw muszą sumować się do jedności. Routing zachłanny w takiej sieci polega na przekazywaniu...
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Network analyses with the use of spatial databases
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Project Management Cycle in the Construction Industry Augmented by Collaborative Innovation Network Software
PublicationProject management is a very broad concept that has in recent times is growing rapidly. Management is especially complex in the construction sector, among the other sectors, due to the high uncertainty of workmanship and complexity of construction projects. Proper project management skills are an important factor in the success of projects, leading to reduced costs and shorten the time of investment. Nevertheless, most of the projects...
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Benchmarking Deep Neural Network Training Using Multi- and Many-Core Processors
PublicationIn the paper we provide thorough benchmarking of deep neural network (DNN) training on modern multi- and many-core Intel processors in order to assess performance differences for various deep learning as well as parallel computing parameters. We present performance of DNN training for Alexnet, Googlenet, Googlenet_v2 as well as Resnet_50 for various engines used by the deep learning framework, for various batch sizes. Furthermore,...
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Optical Sensor Based Gestures Inference Using Recurrent Neural Network in Mobile Conditions
PublicationIn this paper the implementation of recurrent neural network models for hand gesture recognition on edge devices was performed. The models were trained with 27 hand gestures recorded with the use of a linear optical sensor consisting of 8 photodiodes and 4 LEDs. Different models, trained off-line, were tested in terms of different network topologies (different number of neurons and layers) and different effective sampling frequency...
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University Students’ Research on Artificial Intelligence and Knowledge Management. A Review and Report of Multi-case Studies
PublicationLeading technologies are very attractive for students preparing their theses as the completion of their studies. Such an orientation of students connected with professional experiences seems to be a crucial motivator in the research in the management and business areas where these technologies condition the development of professional activities. The goal of the paper is the analysis of students’ thesis topics defended in the last...
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Codesigned Digital Tools for Social Engagement in Climate Change Mitigation
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Recognition of social health: A conceptual framework in the context of dementia research
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The Quality of Life and Psychological, Social and Cognitive Functioning of Patients with Acromegaly
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Heterogeneous Ensemble with Combined Dimensionality Reduction for Social Spam Detection
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Relations Among Social and Economic Order in European Union Countries
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Social lending - nowy produkt na polskim rynku finansowym
PublicationW artykule ukazano problematykę pożyczek społecznościowych. Przedstawiono zasadę ich działania oraz zalety i wady. Ponadto zaprezentowano aspekty prawno-podatkowe tego produktu w Polsce oraz przeprowadzono analizę porównawczą polskich serwisów pożyczek społecznościowych.
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O urodzie budownictwa socjalnego = About beauty of social housing
PublicationBudownictwo socjalne jest jednym z istotnych aspektów odnowy krajobrazu miejskiego. NAjczęściej kojarzy się ono z tanią architekturą o niskich walorach estetycznych - jednak tanie wcale nie musi oznaczać brzydkie. Mozna projektować i realizować osiedla, które nie tylko zapewniaja byt uboższej zcęści społeczeństwa, ale wnoszą również istotny wkład w wizerunek miasta. Ponadto sektor budowenictwa socjalnego stanowi świetne pole dla...
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Professional Ethics of Social Entrepreneurs: The Perspective of Christian Personalist Ethics
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A sense of social affiliation of homeless people participating in a soccer tournament
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Social differentiation of the perception and human tissues donation for research purposes
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Application of social relation graphs for early detection of transient spammers
PublicationWczesne wykrywanie społecznych zagrożeń i anomalii jest prawdziwym wyzwaniem w dzisiejszch, dynamicznych społeczeństwach. Ludzie tworzą skoplikowane relacje społeczne, które mogą być przedstawione za pomocą różnych typów grafów, których wierzchołki reprezentować mogą aktorów sieci (konkretne osoby lub organizacje) a krawędzie relacje pomiędzy nimi. Analiza tych dynamicznie zmieniających się relacji może wskazywać na niektóre nadciągające...
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Social responsibility of universities - the example of AGH University of Science and Technology
PublicationThe key question here is how to achieve a symbiotic relationship between the university and its environment. The evolution of the Polish higher education system since 1990 shows how the mutual relations between the university and its surroundings may change over time. The conclusions published in the OECD report on higher education are juxtaposed with the description of the status quo of the Polish universities and compared with...
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Imminent threats analysis and security level evaluation in social networks
PublicationRozprawa doktorska poświęcona jest analizie nadciągających zagrożeń w sieciach społecznych. Dotyczy to takich zjawisk jak spam, phishing, kradzież tożsamości czy ataki na systemy reputacji w serwisach aukcji internetowych. W pracy zaproponowano metodę pozwalającą na wczesne wykrycie zagrożeń w sieciach społecznych w oparciu o zdefiniowane modele zachowań aktorów sieci. Modele zachowań tworzone są za pomocą podgrafów wzorcowych...
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Marketing terytorialny a social media marketing na serwisie Twitter
PublicationObszary terytorialne, podobnie jak inne podmioty gospodarcze, walczą o miejsce na rynku. Poprzez promocję dążą do osiągnięcie uprzywilejowanych miejsc w świadomości interesariuszy, będących dla danego regionu inwestorami, bądź turystami, którzy chcą miło spędzić czas na wakacjach. Miasta kreują swój wizerunek i dbają o niego, budując więzi emocjonalne i lojalność wobec swoich klientów. W tym celu wykorzystane są różne rodzaje instrumentów...
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Geospatial Coverage and Signal Quality Measurements of Terrestrial DAB+ Network in Northern Poland
PublicationModern signal coverage maps are prepared based on industry-standard radio propagation models, which take into account a number of parameters, including: type of antenna, distance from the transmitter, type of terrain, etc. However, such simulations are prone to location-specific inaccuracies, and should be verified with in-situ measurements. This paper presents results of a field test of a terrestrial DAB+ (Digital Audio Broadcasting...
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Qualitative Indicators Used to Select the Placement and Parameters of Energy Storage Installed in the Distribution Network
PublicationThe technology related to energy storage has developed in recent years. Continuous improvement of the solutions available on the market resulted in wider usability of energy storage. They are also increasingly used in a distribution network. This study contains a synthesised description of physical features of the energy storage used in distribution networks. Several criteria of algorithms used to determine the placement and...
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Emotion Recognition from Physiological Channels Using Graph Neural Network
PublicationIn recent years, a number of new research papers have emerged on the application of neural networks in affective computing. One of the newest trends observed is the utilization of graph neural networks (GNNs) to recognize emotions. The study presented in the paper follows this trend. Within the work, GraphSleepNet (a GNN for classifying the stages of sleep) was adjusted for emotion recognition and validated for this purpose. The...
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From creative writing, virtual environments to nature-based solutions: linking research and education to facilitate transition from sustainable to regenerative cities
PublicationChallenges related to the climate crisis and its consequences, such as rising sea levels, urban heat islands or floods, engender pressure on architectural education. Sustainable design often inclines to regenerative one - an emerging trend focused on the restorative power of architecture. The question appears upon the tools and methods that would facilitate both students and academics to address new challenges. This article offers...
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Highly Integrable Planar-structured Printed Circularly Polarized Antenna for Emerging Wideband Internet of Things Applications in the Millimeter-Wave Band
PublicationThis paper proposes a numerically and experimentally validated printed wideband antenna with a planar geometry for Internet of Things (IoT) applications. This design tackles the challenges associated with deploying IoT sensors in remote areas or across extensive geographical regions. The proposed design exploits a coplanar-waveguide-fed modified microstrip line monopole for excitation of circularly polarized waves radiating in...
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Reduced-cost optimization-based miniaturization of microwave passives by multi-resolution EM simulations for internet of things and space-limited applications
PublicationStringent performance specifications along with constraints imposed on physical dimensions, make the design of contemporary microwave components a truly onerous task. In recent years, the latter demand has been growing in importance, with the innovative application areas such as Internet of Things coming into play. The need to employ full-wave electromagnetic (EM) simu-lations for response evaluation, reliable yet CPU heavy, only...
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Studies on removal of hydrophobic organics from contaminated soil by washing process
PublicationZbadano efektywność wymywania NAPL ze złoża piaskowego za pomocą roztworów dwóch niejonowych surfaktantów: polioksyetylenowanego alkoholu tłuszczowego (Rokanol NL6) oraz alkiloglukozydu (Triton BG10). Jako NAPL zastosowano dwa węglowodory - dodekan i heksadekan. Oba surfaktanty były relatywnie efektywne w usuwaniu dodekanu. Ze wzrostem stężenia surfaktantu obserwowano wzrost efektywności wymywania dodekanu, jednakże Rokanol NL6...