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Tytuł:
„Wziąłem ten wyrok na siebie”. Niepewność i współpraca w perspektywie sieciowej teorii wymiany i teorii gier
"I have taken this judgment upon myself". Uncertainty and Cooperation in the Context of Network Exchange Theory and Game Theory
Autorzy:
Frei, Robert
Powiązania:
https://bibliotekanauki.pl/articles/13925605.pdf
Data publikacji:
2023-06-21
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
network exchange theory
game theory
prison
uncertainty
cooperation
sieciowa teoria wymiany
teoria gier
więzienie
niepewność
współpraca
Opis:
Badanie terenowe ujawniło, że niektórzy więźniowie z własnej woli odbywają wyroki pozbawienia wolności w zamian za wspólnika, z którym popełnili przestępstwo. Podstawą analiz są wywiady przeprowadzone w polskich zakładach karnych. Głównym celem tekstu jest rekonstrukcja strategii które rządzą tą praktyką oraz skonfrontowanie ich z wynikami eksperymentów przeprowadzonych przez badaczy sieciowej teorii wymiany. Dodatkowym celem jest ocena przydatności tej teorii do modelowania rzeczywistych sieci wymiany. Analiza wykazała, że decyzje więźniów spełniają kryteria racjonalnego wyboru, natomiast możliwość modelowania tych zachowań zgodnie z założeniami sieciowej teorii wymiany jest ograniczona.
The field study revealed that some prisoners voluntarily serve prison sentences in exchange for an accomplice with whom they committed a crime. The analysis is based on interviews conducted in Polish prisons. The main purpose of the text is to reconstruct the strategies that govern this practice and contrast them with the results of experiments conducted by researchers of the network exchange theory. An additional goal is to assess the suitability of this theory for modeling real exchange networks. The analysis showed that prisoners' decisions meet the criteria of rational choice, while the ability to model this behavior according to the assumptions of exchange network theory is limited.
Źródło:
Kultura i Społeczeństwo; 2023, 67, 2; 63-80
2300-195X
Pojawia się w:
Kultura i Społeczeństwo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
0 niepewnościach stężenia wzorców stosowanych podczas kalibracji potencjometrycznych elektrod jonoselektywnych
About the uncertainty of concentration standards applied in the calibration of potentiometric ion-selective electrodes
Autorzy:
Wiora, J.
Powiązania:
https://bibliotekanauki.pl/articles/152458.pdf
Data publikacji:
2008
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
elektroda jonoselektywna
niepewność
stężenie
aktywność jonów
ion-selective electrode
uncertainty
concentration
ion activity
Opis:
W artykule przedstawiono relacje pomiedzy potencjałem elektrody jonoselektywnej a stężeniem jonów w roztworze. Przedstawiono przykład wykonania wzorca aktywności. Przeanalizowano niepewność stężenia jonów we wzorcach przygotowywanych poprzez rozpuszczanie soli, we wzorcach powstałych poprzez rozcieńczenia oraz we wzorcach otrzymanych automatycznie metodą wielokrotnego rozcieńczania wzorca.
The relationship between the potential E of the ion-selective electrode and ion concentration c are presented in the paper - eqs. (1)-5). The operations needed to prepare an activity standard, basing on eqs. (7) - (10), are listed and an example is given, haw to make it. Basing on eq. (11), linking concentration c, mass of salt m* and volume of solution V, the relative concentration uncertainty ur(c) is derived - eq. (12), and using a scale and non-ideal salt not having 100% content (cont) of substance of interest, the eq. (14) is obtained. After dilutions - eq. (15), concentration uncertainty changes - eq. (17). The next example is placed illustrating the change. The concentration uncertainties of standards obtained using multiple dilution method implemented on the automatic system SAWCEJS [5] are calculated in sec. 4.
Źródło:
Pomiary Automatyka Kontrola; 2008, R. 54, nr 5, 5; 318-321
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A 2-Port, Space-Saving, Maintenance-Friendly Pneumatic Probe for Velocity Measurements
Autorzy:
Olczyk, A.
Magiera, R.
Kabalyk, K.
Powiązania:
https://bibliotekanauki.pl/articles/221299.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pneumatic probes
probe calibration
uncertainty of measurements
velocity measurements
Opis:
This paper presents the concept, design and experimental results of tests, in laboratory conditions, of a 2-port, space-saving pneumatic probe. The main features of the probe are a result of restrictions imposed by the functioning environment: a limited space for probe installation, the possibility of processing only two output signals and requirements for simplicity and reliability of the probe. A cylindrical shape of the probe tip is proposed as a general concept, similar to the classic, cylindrical, 3-port probe. The main difference arises in using only two pressure signals: one from the overpressure zone on the front side of the cylinder and another, from the underpressure zone on the back side. After performing an appropriate calibration procedure, it is possible to measure the flow velocity and correct the pressure difference obtained by means of a velocity coefficient kv. This paper also presents an analysis of the kv coefficient uncertainty to evaluate the quality of measurements.
Źródło:
Metrology and Measurement Systems; 2018, 25, 1; 171-185
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A computationally inexpensive algorithm for determining outer and inner enclosures of nonlinear mappings of ellipsoidal domains
Autorzy:
Rauh, Andreas
Jaulin, Luc
Powiązania:
https://bibliotekanauki.pl/articles/2055165.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
bounded uncertainty
guaranteed enclosures
ellipsoidal enclosures
inner approximations
outer approximations
nonlinear system
confidence interval
niepewność ograniczona
układ nieliniowy
przedział ufności
Opis:
A wide variety of approaches for set-valued simulation, parameter identification, state estimation as well as reachability, observability and stability analysis for nonlinear discrete-time systems involve the propagation of ellipsoids via nonlinear functions. It is well known that the corresponding image sets usually possess a complex shape and may even be nonconvex despite the convexity of the input data. For that reason, domain splitting procedures are often employed which help to reduce the phenomenon of overestimation that can be traced back to the well-known dependency and wrapping effects of interval analysis. In this paper, we propose a simple, yet efficient scheme for simultaneously determining outer and inner ellipsoidal range enclosures of the solution for the evaluation of multi-dimensional functions if the input domains are themselves described by ellipsoids. The Hausdorff distance between the computed enclosure and the exact solution set reduces at least linearly when decreasing the size of the input domains. In addition to algebraic function evaluations, the proposed technique is-for the first time, to our knowledge-employed for quantifying worst-case errors when extended Kalman filter-like, linearization-based techniques are used for forecasting confidence ellipsoids in a stochastic setting.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2021, 31, 3; 399--415
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Critical Realist Perspective on Decisions Involving Risk and Uncertainty
Autorzy:
Ranyard, Rob
Powiązania:
https://bibliotekanauki.pl/articles/430361.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
decision making
critical realism
risk
uncertainty
Opis:
The relevance to decision research of recent advances in the philosophy of social science is considered. The critical realism of Roy Bhaskar argues for the identification of contextually contingent explanatory mechanisms at multiple levels based on concepts grounded in intersubjectively shared reality. Using examples from the author’s and other’s research on the psychology of decisions involving risk and uncertainty, this paper explores the implications of taking a critical realist approach. It is argued that critical realism has the potential to advance and unify disparate experimental and naturalistic lines of research. Furthermore, a diverse range of experimental, process-tracing and observational methods can play important complementary roles in developing fruitful critical realist explanations of decisions involving risk and uncertainty.
Źródło:
Polish Psychological Bulletin; 2014, 45, 1; 3-11
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Decision Rule for Uncertain Multi-Criteria Pure Decision Making and Independent Criteria
Autorzy:
Gaspars-Wieloch, Helena
Powiązania:
https://bibliotekanauki.pl/articles/429875.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Tematy:
uncertainty
multi-criteria decision-making
pure strategies
one-shot decisions
independent criteria
two-stage models
Opis:
The paper is concerned with multi-criteria decision-making under uncertainty with scenario planning. This topic has been explored by many researchers since almost all real-world decision problems contain multiple conflicting criteria and a deterministic evaluation of criteria is often impossible. We propose a procedure for uncertain multi-objective optimization which can be applied when seeking a pure strategy. A pure strategy, as opposed to a mixed strategy, allows the decision-maker to select and perform only one accessible alternative. The new approach takes into account the decision-maker’s preference structure (importance of particular goals) and nature (pessimistic, moderate or optimistic attitude towards a given problem). It is designed for one-shot decisions made under uncertainty with unknown probabilities (frequencies), see decision-making under complete uncertainty or decision-making under strategic uncertainty. The novel approach can be used in the case of totally independent payoff matrices for particular targets.
Źródło:
Optimum. Economic Studies; 2017, 3(87)
1506-7637
Pojawia się w:
Optimum. Economic Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A decision rule for uncertain multicriteria mixed decision making based on the coefficient of optimism
Autorzy:
Gaspars-Wieloch, Helena
Powiązania:
https://bibliotekanauki.pl/articles/578578.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Modele optymalizacyjne
Niepewność
Optymalizacja wielokryterialna
Planowanie scenariuszowe
Podejmowanie decyzji w warunkach niepewności
Wielokryterialne podejmowanie decyzji
Decision making under uncertainty
Multiple criteria optimization
Multiple-criteria decision making
Optimizing models
Scenario planning
Uncertainty
Opis:
This paper is devoted to multicriteria decision making under uncertainty with scenario planning. This topic has been explored by many researchers since almost all real-world decision problems contain multiple conflicting criteria and a deterministic criteria evaluation is often impossible. We propose a procedure for uncertain multi-objective optimization which may be applied when a mixed strategy is sought after. A mixed strategy, as opposed to a pure strategy, allows the decision maker to select and perform a weighted combination of several accessible alternatives. The new approach takes into account the decision maker’s preference structure and attitude towards risk. This attitude is measured by the coefficient of optimism on the basis of which a set of the most probable events is suggested and an optimization problem is formulated and solved.
Źródło:
Multiple Criteria Decision Making; 2015, 10; 32-47
2084-1531
Pojawia się w:
Multiple Criteria Decision Making
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Fuzzy Model for Assessing Risk of Occupational Safety in the Processing Industry
Autorzy:
Tadic, D.
Djapan, M.
Misita, M.
Stefanovic, M.
Milanovic, D. D.
Powiązania:
https://bibliotekanauki.pl/articles/90316.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
occupational safety
risk assessment
uncertainty
fuzzy sets
Opis:
Managing occupational safety in any kind of industry, especially in processing, is very important and complex. This paper develops a new method for occupational risk assessment in the presence of uncertainties. Uncertain values of hazardous factors and consequence frequencies are described with linguistic expressions defined by a safety management team. They are modeled with fuzzy sets. Consequence severities depend on current hazardous factors, and their values are calculated with the proposed procedure. The proposed model is tested with real-life data from fruit processing firms in Central Serbia.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2012, 18, 2; 115-126
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A logical device for processing nautical data
Autorzy:
Filipowicz, W.
Powiązania:
https://bibliotekanauki.pl/articles/135599.pdf
Data publikacji:
2017
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
probability density
probability distributions
nautical evidence
uncertainty model
nautical propositions
simple belief structure
Opis:
Nautical measurements are randomly and systematically corrupted. There is a rich scope of knowledge regarding the randomness shown by results of observations. The distribution of stochastic distortions remains an estimate and is imprecise with respect to their parameters. Uncertainties can also occur through the subjective assessment of each piece of available data. The ability to model and process all of the aforementioned items through traditional approaches is rather limited. Moreover, the results of observations, the final outcome of a quality evaluation, can be estimated prior to measurements being taken. This a posteriori analysis is impaired and it is outside the scope of traditional, inaccurate data handling methods. To propose new solutions, one should start with an alternative approach towards modelling doubtfulness. The following article focusses on belief assignments that may benefit from the inclusion of uncertainty. It starts with a basic interval uncertainty model. Then, assignments engaging fuzzy locations around nautical indications are discussed. This fragment includes transformation from density functions to probability distributions of random errors. Diagrams of the obtained conversions are included. The presentation concludes with a short description of a computer application that implements the presented ideas.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2017, 52 (124); 65-73
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for estimating the probability distribution of the lifetime for new technical equipment based on expert judgement
Autorzy:
Andrzejczak, Karol
Bukowski, Lech
Powiązania:
https://bibliotekanauki.pl/articles/2038033.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
uncertainty
expert elicitation of lifetime
quantile function
Weibull distribution
Opis:
Managing the exploitation of technical equipment under conditions of uncertainty requires the use of probabilistic prediction models in the form of probability distributions of the lifetime of these objects. The parameters of these distributions are estimated with the use of statistical methods based on historical data about actual realizations of the lifetime of examined objects. However, when completely new solutions are introduced into service, such data are not available and the only possible method for the initial assessment of the expected lifetime of technical objects is expert methods. The aim of the study is to present a method for estimating the probability distribution of the lifetime for new technical facilities based on expert assessments of three parameters characterizing the expected lifetime of these objects. The method is based on a subjective Bayesian approach to the problem of randomness and integrated with models of classical probability theory. Due to its wide application in the field of maintenance of machinery and technical equipment, a Weibull model is proposed, and its possible practical applications are shown. A new method of expert elicitation of probabilities for any continuous random variable is developed. A general procedure for the application of this method is proposed and the individual steps of its implementation are discussed, as well as the mathematical models necessary for the estimation of the parameters of the probability distribution are presented. A practical example of the application of the developed method on specific numerical values is also presented.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 4; 757-769
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for evaluation of uncertainties of noise parameter measurement
Autorzy:
Schmidt-Szałowski, M.
Wiatr, W.
Powiązania:
https://bibliotekanauki.pl/articles/308144.pdf
Data publikacji:
2002
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
microwaves
noise metrology
measurement system
four noise parameters
sensitivity analysis
error propagation
uncertainty
Opis:
The assessment of uncertainties of a two-port noise parameters measurement, presented in the paper, relies on modeling of sources of errors and an investigation of propagation of the errors through a measurement system. This approach is based on a simplified additive error model and small-change sensitivity analysis. The evaluated uncertainties agrees with those observed in experiments. This method may be implemented in automatic noise measurement systems for on-line uncertainty assessment and for optimization of the design of an experiment.
Źródło:
Journal of Telecommunications and Information Technology; 2002, 1; 34-38
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Monte Carlo-Based Method for Assessing the Measurement Uncertainty in the Training and Use of Artificial Neural Networks
Autorzy:
Coral, R.
Flesch, C. A.
Penz, C. A.
Roisenberg, M.
Pacheco, A. L. S.
Powiązania:
https://bibliotekanauki.pl/articles/220943.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
artificial neural networks
measurement system
measurement uncertainty
Monte Carlo method
Opis:
When an artificial neural network is used to determine the value of a physical quantity its result is usually presented without an uncertainty. This is due to the difficulty in determining the uncertainties related to the neural model. However, the result of a measurement can be considered valid only with its respective measurement uncertainty. Therefore, this article proposes a method of obtaining reliable results by measuring systems that use artificial neural networks. For this, it considers the Monte Carlo Method (MCM) for propagation of uncertainty distributions during the training and use of the artificial neural networks.
Źródło:
Metrology and Measurement Systems; 2016, 23, 2; 281-294
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new approach for modelling uncertainty in expert systems knowledge bases
Autorzy:
Niederliński, A.
Powiązania:
https://bibliotekanauki.pl/articles/229898.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
expert systems
uncertainty
certainty factors
knowledge bases
data marks
SWOT
SWOT knowledge base
Opis:
The current paradigm of modelling uncertainty in expert systems knowledge bases using Certainty Factors (CF) has been critically evaluated. A way to circumvent the awkwardness, non-intuitiveness and constraints encountered while using CF has been proposed. It is based on introducing Data Marks for askable conditions and Data Marks for conclusions of relational models, followed by choosing the best suited way to propagate those Data Marks into Data Marks of rule conclusions. This is done in a way orthogonal to the inference using Aristotelian Logic. Using Data Marks instead of Certainty Factors removes thus the intellectual discomfort caused by rejecting the notion of truth, falsehood and the Aristotelian law of excluded middle, as is done when using the CF methodology. There is also no need for changing the inference system software (expert system shell): the Data Marks approach can be implemented by simply modifying the knowledge base that should accommodate them. The methodology of using Data Marks to model uncertainty in knowledge bases has been illustrated by an example of SWOT analysis of a small electronic company. A short summary of SWOT analysis has been presented. The basic data used for SWOT analysis of the company are discussed. The rmes_EE SWOT knowledge base consisting of a rule base and model base have been presented and explained. The results of forward chaining for this knowledge base have been presented and critically evaluated.
Źródło:
Archives of Control Sciences; 2018, 28, 1; 19-34
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new assessment method of mechanism reliability based on chance measure under fuzzy and random uncertainties
Nowa metoda oceny niezawodności mechanizmów oparta na pomiarze szansy wystąpienia zdarzenia w warunkach niepewności rozmytej i losowej
Autorzy:
Zhang, L.
Zhang, J.
Zhai, H.
Zhou, S.
Powiązania:
https://bibliotekanauki.pl/articles/301493.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
chance measure
reliability assessment
uncertainty quantification
mechanism reliability
miara szansy
ocena niezawodności
kwantyfikacja niepewności
niezawodność mechanizmu
Opis:
The traditional reliability analysis methods based on probability theory and fuzzy set theory have been widely used in engineering practice. However, these methods are unable directly measure the uncertainty of mechanism reliability with uncertain variables, i.e., subjective random and fuzzy variables. In order to address this problem, a new quantification method for the mechanism reliability based on chance theory is presented to simultaneously satisfy the duality of randomness and the subadditivity of fuzziness in the reliability problem. Considering the fact that systems usually have multilevel performance and the components have multimode failures, this paper proposes a chance theory based multi-state performance reliability model. In the proposed method, the chance measure is adopted instead of probability and possibility measures to quantify the mechanism reliability for the subjective probability or fuzzy variables. The hybrid variables are utilized to represent the random and fuzzy parameters, based on which solutions are derived to analyze the chance theory based mechanism reliability with chance distributions. Since the input parameters of the model contain fuzziness and randomness simultaneously, an algorithm based on chance measure is designed. The experimental results on the case application demonstrate the validity of the proposed method.
Tradycyjne metody analizy niezawodności oparte na teorii prawdopodobieństwa i teorii zbiorów rozmytych znajdują szerokie zastosowanie w praktyce inżynierskiej. Jednak metod tych nie można stosować do bezpośredniego pomiaru niepewności niezawodności przy niepewnych zmiennych, tj. subiektywnych zmiennych losowych i rozmytych. Aby zaradzić temu problemowi, przedstawiono nową metodę kwantyfikacji niezawodności opartą na teorii szansy, która jednocześnie spełnia aksjomaty dwoistości losowości oraz subaddytywności związanej z rozmytością w problemach niezawodności. Biorąc pod uwagę fakt, że systemy zazwyczaj charakteryzują się wielopoziomową strukturą, a uszkodzenia elementów składowych mają charakter wieloprzyczynowy, w niniejszym artykule zaproponowano model niezawodności eksploatacji systemu wielostanowego oparty na teorii szansy. W proponowanej metodzie, zamiast miar prawdopodobieństwa i możliwości, do kwantyfikacji niezawodności, w przypadku gdy dane są subiektywne zmienne losowe lub zmienne rozmyte, przyjęto miarę szansy wystąpienia zdarzenia. Do reprezentacji parametrów losowych i rozmytych wykorzystano zmienne hybrydowe, które stanowią podstawę dla wyprowadzenia rozwiązań w celu analizy niezawodności mechanizmu opartej na teorii szansy z rozkładem szans. Ponieważ parametry wejściowe modelu noszą jednocześnie znamiona rozmytości i losowości, opracowano algorytm oparty na mierze szansy. Wyniki eksperymentalne otrzymane na podstawie studium przypadku dowodzą poprawności proponowanej metody.
Źródło:
Eksploatacja i Niezawodność; 2018, 20, 2; 219-228
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new methodology of accounting for uncertainty factors in multiple criteria decision making problems
Autorzy:
Kalika, V. I.
Powiązania:
https://bibliotekanauki.pl/articles/308942.pdf
Data publikacji:
2004
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
multiple criteria decision making
uncertainty factors
reasonable solutions
multi-level hierarchical system of multi-variant computation series
stable-optimal solutions
scenarios
Monte Carlo simulations
Opis:
A new approach is proposed to select a predetermined number of "reasonable" (the best in a certain sense) alternatives from the considerable (maybe a vast) set of initial alternatives according to an arbitrary number of optimization criteria and accounting for uncertainty factors. The approach is based on using a special intuitive methodology, developed to account for uncertainty factors when solving such multiple criteria decision making (MCDM) problems. This methodology is based on performing multi-variant computations (MVC) and finding their "stable-optimal" solutions, and it's realized as a multi-level hierarchical system of MVC series. It's possible to use this methodology for solving various real problems.
Źródło:
Journal of Telecommunications and Information Technology; 2004, 3; 44-56
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
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