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Tytuł:
Optimization of Operation and Safety of Global Baltic Network of Critical Infrastructure Networks (GBNCIN) with Considering Climate-Weather Change Process (C-WCP) influence – Maximizing GBNCIN Lifetime in the Set of Safety States not worse than a Critical Safety State
Autorzy:
Dziula, P.
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2068745.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
critical infrastructure
critical infrastructure network
operation process
network of critical infrastructure networks
Opis:
The paper presents a method of the GBNCIN operation and safety, with considering the climate-weather change process, safety optimization. Basic characteristics of the critical infrastructure operation process related to climateweather change process are shown. Then, optimal transient probabilities of the GBNCIN Operation Process at Operation States Related to Climate-Weather Change Process, and the GBNCIN optimal safety and resilience indicators, are introduced. By defining unconditional multistate safety function of the GBNCIN, and corresponding optimal risk function, the optimal coefficients of the operation process related to the climateweather change impact on the GBNCIN intensities of degradation, have been determined. Finally, optimal sojourn times of the GBNCIN operation process at operation states, related to climate-weather change process and operation strategy, are presented.
Źródło:
Journal of Polish Safety and Reliability Association; 2018, 9, 1; 17--26
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Architektura QoS integrująca sieci ad-hoc z sieciami stałymi
A QoS architecture integrating ad-hoc and infrastructure networks
Autorzy:
Natkaniec, M.
Gozdecki, J.
Kosek, K.
Szott, S.
Pach, A.R.
Powiązania:
https://bibliotekanauki.pl/articles/298536.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
QoS
sieci ad-hoc
sieci stałe
ad-hoc networks
infrastructure networks
Opis:
Artykuł przedstawia kompletną architekturę QoS dla zintegrowanych sieci ad-hoc z sieciami stałymi. W pracy skoncentrowano się głównie na stosowanych technologiach sieciowych, mechanizmach różnicowania ruchu oraz protokołach sygnalizacyjnych. Praca zawiera również opis niezbędnych modułów umieszczonych w węzłach mobilnych i bramach dostępu do sieci ad-hoc. Dodatkowo pokazano sposób integracji zapewniający uzyskanie odpowiedniej jakości świadczenia usług w relacji end-to-end dla mobilnych sieci ad-hoc. Zaproponowane rozwiązanie jest oparte na modelu SWAN z pewnymi rozszerzeniami dla zapewnienia różnicowania ruchu na poziomie warstwy drugiej dla czterech priorytetów oraz integracji z sieciami stałymi. Zastosowana architektura hierarchiczna gwarantuje skalowalność i pozwala na zarządzanie na poziomie pojedynczych strumieni w sieci bezprzewodowej, w której ograniczone zasoby radiowe powinny być zarządzane w sposób efektywny.
This paper proposes a complete QoS architecture for integration of ad-hoc networks with infrastructure networks. The technology, service differentiation mechanisms, and signalling protocols are discussed. The modules required in the network elements and its integration to provide end-to-end QoS in mobile ad-hoc networks are also presented. The proposed solution is based on the SWAN model with several extensions to provide L2 traffic differentiation for four classes and supports integration with infrastructure networks. The deployed hierarchical architecture guarantees scalability and allows per-flow resource management in wireless access where scarce radio resources should be managed effectively.
Źródło:
Telekomunikacja Cyfrowa : technologie i usługi; 2008-2009, 9; 16-25
1505-9405
Pojawia się w:
Telekomunikacja Cyfrowa : technologie i usługi
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of Operation and Safety of Global Baltic Network of Critical Infrastructure Networks (GBNCIN) with Considering Climate-Weather Change Process (C-WCP) influence – Minimizing GBNCIN Operation Cost
Autorzy:
Dziula, P.
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2068743.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
critical infrastructure
critical infrastructure network
operation process
climate-weather change process
network of critical infrastructure networks
Opis:
The paper presents a method of the GBNCIN operation and safety, with considering the climate-weather change process, safety optimization. Basic characteristics of the critical infrastructure operation process related to climateweather change process are shown. Then, the GBNCIN operation cost related to climate-weather change is introduced. Furthermore, by analysis of the operation cost of the GBNCIN impacted by the operation process, related to the climate-weather change process, and its conditional safety functions, mean values of the total sojourn times at particular operation states during certain sufficiently large GBNCIN operation time are fixed. Finally, the GBNCIN operation cost related to climate-weather change minimization, and cost analysis of the GBNCIN operation impacted by climate-weather change, are presented.
Źródło:
Journal of Polish Safety and Reliability Association; 2018, 9, 1; 53--60
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Safety Analysis of Interdependent Critical Infrastructure Networks
Autorzy:
Blokus, A.
Dziula, P.
Powiązania:
https://bibliotekanauki.pl/articles/116995.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
critical infrastructure
safety analysis
interdependent critical infrastructure networks
critical infrastructure network
safety characteristics
random interdependency matrix
critical infrastructure system
multilayer infrastructure network framework
Opis:
Certain critical infrastructure networks show some interconnections, relations and interactions with other ones, most frequently when located and operating within particular areas. Failures arising within one critical infrastructure network, can then negatively impact not only on associated systems, societies and natural environment, but also on mutual critical infrastructure networks. Therefore, interdependent critical infrastructure networks can be determined as network of critical infrastructure networks (network of networks approach). The paper presents safety analysis of the network of critical infrastructure networks, taking into account interconnections, relations and interactions between particular ones. Critical infrastructures networks as multistate systems are considered, by distinguishing subsets of no-hazards safety states, and crisis situation states, and by analysing transitions between particular ones. Issues introduced in the article are based on the assumption that one key critical infrastructure network impacts on functioning of other critical infrastructure networks - can reduce their functionality and change level of their safety and inoperability, furthermore, other networks can impact each other, too. Safety characteristics of network of critical infrastructure networks: safety function, mean values and standard deviations of lifetimes in particular safety state subsets, are determined, taking into account interdependencies between particular networks. The results are related to various values of coefficients defining the significance of influence of interdependencies among networks.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 4; 781-787
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gas pipelines critical infrastructure network
Autorzy:
Blokus-Roszkowska, A.
Bogalecka, M.
Dziula, P.
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2069031.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
critical infrastructure
gas pipeline
North Stream
Baltic Gas Pipeline Critical Infrastructure Network
BGPIN
Global Baltic Network of Critical Infrastructure Networks
GBNCIN
Opis:
The liquid natural gas (LNG) will be commonly used by shipping and industry in the future. In this paper we present existing and planned natural gas networks in the Baltic Sea region, installed through the Baltic Sea. These gas pipeline installations create the Baltic Gas Pipeline Critical Infrastructure Network (BGPIN) that is one of eight critical infrastructure network of the Global Baltic Network of Critical Infrastructure Networks (GBNCIN).
Źródło:
Journal of Polish Safety and Reliability Association; 2016, 7, 2; 1--6
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conclusions from the workshop on Baltic Sea region critical infrastructure networks and next steps in EU-CIRCLE project research
Autorzy:
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2069034.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
Baltic Sea region
critical infrastructure
networks
Opis:
The report is devoted to the next steps in the Gdynia Maritime University team EU-CIRCLE project “A pan – European framework for strengthening Critical Infrastructure resilience to climate change” research activity after preliminary analysis of main static and dynamic industry critical infrastructures existing in the Baltic Sea Region performed to classify them as either a single critical infrastructure network or a network of critical infrastructure networks.
Źródło:
Journal of Polish Safety and Reliability Association; 2016, 7, 2; 73--82
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the importance of the e-infrastructure for science
Autorzy:
Stroiński, Maciej
Węglarz, Jan
Powiązania:
https://bibliotekanauki.pl/articles/704267.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
e-infrastructure
computer networks
grids
information and telecommunication technology
Opis:
In this article the European scientific e-infrastructure is described with special emphasis on the contribution of the Polish scientific community. Examples of this infrastructure for radioastronomy, high-energy physics and medicine are presented. Directions of further development in the field are pointed out.
Źródło:
Nauka; 2008, 2
1231-8515
Pojawia się w:
Nauka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation, Decoding and Forecasting in HMM and Hybrid HMM/ANN Models : a Case of Seismic Events in Poland
Autorzy:
Bijak, K.
Powiązania:
https://bibliotekanauki.pl/articles/92872.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Tematy:
infrastructure subsystem
hybrid HMM/ANN model
neural networks
seismic events
Opis:
This paper compares performance of a hidden Markov model (HMM) and a hybrid HMM/ANN model in seismic events modeling. Observation variables are assumed to follow a Poisson distribution. Parameters of the discrete-time two-state models are estimated on the basis of data on seismic events that were recorded in Poland from 1991 to 1995. Then, on the basis of the estimation results, the most likely sequences of states of the hidden Markov chains are found and forecasts for January 1996 are made. It is shown that the hybrid model fits better to the data.
Źródło:
Studia Informatica : systems and information technology; 2006, 1(7); 7-17
1731-2264
Pojawia się w:
Studia Informatica : systems and information technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling Safety of Global Baltic Network of Critical Infrastructure Networks
Autorzy:
Dziula, P.
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2068801.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
safety
Global Baltic Network
Critical Infrastructure Network
network of networks
Opis:
The main aim of the paper is to present the safety model for Global Baltic Network of Critical Infrastructure Networks. To achieve this, the basis of the multistate ageing approach to safety modelling is introduced. Following, the basic parameters important for the safety and risk prediction are presented. Next, the particular elements of the Global Baltic Network of Critical Infrastructure Networks are defined and described. Finally, the safety and risk analysis of the network of networks are presented.
Źródło:
Journal of Polish Safety and Reliability Association; 2017, 8, 3; 73--98
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrated Impact Model on Global Baltic Network of Critical Infrastructure Networks Safety Related to Its Operation Process
Autorzy:
Dziula, P.
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2068788.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
safety
Global Baltic Network
critical infrastructure network
Network of Networks
Opis:
The purpose of the paper is to present the impact model for Global Baltic Network of Critical Infrastructure Networks (GBNCIN), related to its operation process. At first, basic issues regarding the GBNCIN operation at variable conditions have been described. Then, aspects regarding safety of the multistate GBNCIN at Variable operation conditions have been pointed. Finally, safety characteristics of multistate GBNCIN, consisting of exponential BCIN Networks at variable operation conditions are presented.
Źródło:
Journal of Polish Safety and Reliability Association; 2017, 8, 4; 103--112
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Supporting the development of telecommunications services and networks through local and regional government bodies, and cybersecurity
Autorzy:
Czuryk, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/1991233.pdf
Data publikacji:
2021-03-02
Wydawca:
Akademia Sztuki Wojennej
Tematy:
telecommunications services
telecommunications networks
cybersecurity
local and regional government
telecommunications infrastructure
the Internet
Opis:
Local and regional governments play a special role in public life. They perform, on their own behalf and responsibility, certain tasks commissioned by the State by way of legal Acts. The objective of the local and regional governments’ existence is to meet the collective requirements of their respective communities. Meeting the needs of residents also requires activities in the field of telecommunications, including support for the development of telecommunications services and networks. However, such development must be monitored. The role of local and regional governments, on the one hand, is to support this development, and, on the other, to protect the users of telecommunications services and networks from threats. Cybersecurity must therefore occupy the right place in the catalogue of local and regional governments’ tasks; it cannot be marginalised, as cyberthreats are real, and can result in substantial damage that is not only virtual.
Źródło:
Cybersecurity and Law; 2019, 2, 2; 39-50
2658-1493
Pojawia się w:
Cybersecurity and Law
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Messy Arrangements? A Social Networks Perspective on Migrant Labor Brokerage: The Case of Ukrainian Migration to Poland
Autorzy:
Kindler, Marta
Szulecka, Monika
Powiązania:
https://bibliotekanauki.pl/articles/22858272.pdf
Data publikacji:
2022-12-12
Wydawca:
Polskie Towarzystwo Socjologiczne
Tematy:
Social capital
social networks
labor brokerage
migration infrastructure
Ukrainian labor migrants
immigration to Poland
Opis:
This article draws on two studies conducted between 2016 and 2018 on the nature of labor migration from Ukraine to Poland. Using quantitative and qualitative data, it analyses the relationship between social networks and employment agencies. Building on research into migration infrastructure, we question the dichotomy—which also appears in migrants’ narratives—between migrant social networks and labor brokers, and offer evidence of overlap and interdependence between the two. Exploring various aspects of labor migration, we look at the role played by the social networks of the actors (both the migrants and the intermediaries) in enhancing migration infrastructure. We show how migrants use their social capital in regard to labor brokers and how the latter, rather than replacing networks, mobilize their network resources and experience to create a trusted transnational service.
Źródło:
Polish Sociological Review; 2022, 220, 4; 457-484
1231-1413
2657-4276
Pojawia się w:
Polish Sociological Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CART : Creative Application to Remedy Traffic
Autorzy:
Kasprzyk, R.
Szkółka, K.
Poławski, T.
Pyżarnowski, M.
Giętkowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/1396864.pdf
Data publikacji:
2014
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
complex networks
centrality measures
road infrastructure
optimization
simulation
sieci złożone
miary centralności
infrastruktura drogowa
optymalizacja
symulacja
Opis:
CART is a simulation software assisting decision-making process, aiming at enhancing the throughput of transport infrastructure and “fluidity” of vehicle traffic in urban agglomerations. Thanks to innovative solutions combining state-of-the-art software technologies with achievements in graph and network theories, the system is capable of improving present traffic conditions. The system is designated both for organisations responsible for management of urban traffic and for road users. The first group is able, in a conscious and effective way assess usability of the solution (layout of traffic lights, construction of gas stations/parking lots, modifying/extending the network of roads) to the town, by analysing results of simulations of modified road infrastructure. The second group, thanks to using the intelligent traffic management assistance system, will be able to drive throughout the town in a more fluid way.
CART to symulacyjny system wspomagania podejmowania decyzji, którego celem jest poprawa przepustowości infrastruktury transportowej i ,,płynności” ruchu pojazdów w aglomeracjach miejskich. Dzięki innowacyjnym rozwiązaniom łączącym nowoczesne technologie informatyczne oraz osiągnięcia z dziedziny teorii grafów i sieci, system jest w stanie przyczynić się do poprawy obecnych warunków na drogach. System przeznaczony jest zarówno dla organizacji odpowiadających za zarządzanie ruchem w mieście, jak i dla użytkowników dróg. Pierwsza grupa poprzez analizę wyników symulacji zmodyfikowanej infrastruktury dróg może w sposób świadomy i efektywny ocenić przydatność rozwiązania dla miasta (rozmieszczenie sygnalizacji świetlnej, budowa stacji benzynowych/parkingów, modyfikacja/rozbudowa samej sieci połączeń drogowych). Druga grupa dzięki wykorzystaniu inteligentnego systemu wspomagania organizacji ruchu będzie mogła płynniej przemieszczać się po mieście.
Źródło:
Biuletyn Instytutu Systemów Informatycznych; 2014, 14; 5-12
1508-4183
Pojawia się w:
Biuletyn Instytutu Systemów Informatycznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Activities of the local government units in the scope of telecommunication
Autorzy:
Karpiuk, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/1991282.pdf
Data publikacji:
2021-02-26
Wydawca:
Akademia Sztuki Wojennej
Tematy:
local self-government
telecommunication
public utility
telecommunication infrastructure
telecommunication networks
telecommunication entrepreneur
digital services
network operator
Opis:
The public sphere which is the closest to the inhabitants is managed by the local government. The legislator entrusted this local government with a number of tasks that should certainly be defined as basic from the point of view of the local and regional communities. These tasks having the nature of a public interest include also tasks related to telecommunication. The local government units as entities financed to a large extent from the public funds could abuse their market position by competing with telecommunication companies, therefore, they were obliged by the legislator to comply with the rules of the market game, including fair competition. They cannot, therefore, abuse their position in the scope of telecommunication activities or in the case of developing telecommunication infrastructure or sharing it with others.
Źródło:
Cybersecurity and Law; 2019, 1, 1; 37-48
2658-1493
Pojawia się w:
Cybersecurity and Law
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pan-European transport corridors in the policy of the European Union
Autorzy:
Czech, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/1537615.pdf
Data publikacji:
2020
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
TEN-T
trans-european transport networks
transport policy
corridor
infrastructure
transeuropejska sieć transportowa
polityka transportowa
korytarz
infrastruktura
Opis:
The issue of organizing efficient transport with in Europe is one of the areas of the common policy of the European Union, shaped for over 30 years. Poland has been participating in this creative processsince May 1, 2004. The intensity of the development of transport and economy of individual countries that do not only belong to the Community has a significant impact on changes in the European Union's transport policy aimedatimproving the course of pan-European transport corridors. In parallel with the creation of an effective European transport network, the rapid economic development of the regions belonging to the Union, including Poland, is becoming in creasingly important. The aim of the article is to discuss the issue of the development of trans-European transport corridors, which also pass through the territory of Poland, and to present changes in EU policy concerning the shaping of transport infrastructure in Europe, as a result of which a single transport network is to be created in the near future, meeting the communication and economic needs of the countries belonging to the Community.
Źródło:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2021, 1; 1-8
2450-1859
2450-8721
Pojawia się w:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
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