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Wyświetlanie 1-15 z 16
Tytuł:
Semantic-enabled hybrid genetic disease diagnostics in Next-Generation Sequenced data
Autorzy:
Zawadzka-Gosk, E.
Wołk, K.
Powiązania:
https://bibliotekanauki.pl/articles/305569.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
gene prioritization
variant prioritization
semantical text analysis
Opis:
Next Generation Sequencing is a technology for genome sequencing used in genetics for the diagnosis of disease. NGS provides a list of all mutations in a genome, so identifying the one that causes a disease is not trivial. A number of applications for variant prioritization were developed, but the data they provide is a suggestion rather than a diagnosis; moreover, they sufer from issues such as identifying a nonpathogenic variant as a causal one or the inability to identify a causal gene. These issues inspired us to create a strategy for variant prioritization, which includes the use of the Exomiser and OMIM Explorer result sets improved by semantic analysis of abstracts and articles freely available from the PubMed and PubMed Central databases. For the wider scope of scientific articles, the Google Scholar repository will be used. The described approach enables us to present the latest and most accurate information about potential pathogenic variants.
Źródło:
Computer Science; 2018, 19 (2); 179-199
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development and application of a decision making tool for fault diagnosis of turbocompressor based on Bayesian network and fault tree
Autorzy:
Lakehal, Abdelaziz
Nahal, Mourad
Harouz, Riad
Powiązania:
https://bibliotekanauki.pl/articles/406808.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
plant maintenance
prioritization
Bayesian networks
fault tree
diagnosis
turbocompressor
Opis:
Fault Tree is one of the traditional and conventional approaches used in fault diagnosis. By identifying combinations of faults in a logical framework it’s possible to define the structure of the fault tree. The same go with Bayesian networks, but the difference of these probabilistic tools is in their ability to reasoning under uncertainty. Some typical constraints to the fault diagnosis have been eliminated by the conversion to a Bayesian network. This paper shows that information processing has become simple and easy through the use of Bayesian networks. The study presented showed that updating knowledge and exploiting new knowledge does not complicate calculations. The contribution is the structural approach of faults diagnosis of turbo compressor qualitatively and quantitatively, the most likely faults are defined in descending order. The approach presented in this paper has been successfully applied to turbo compressor, which represent vital equipment in petrochemical plant.
Źródło:
Management and Production Engineering Review; 2019, 10, 2; 16--24
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ageing PSA as a support for effective ageing management
Autorzy:
Berg, H. P.
Volkanovski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2069520.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
ageing
ageing management
probabilistic safety assessment
prioritization
management of activities
Opis:
Because of the growing operational age of nuclear power plants, the ageing management of structures, systems and components used in these plants is gaining an important role. Technical systems are subject to timedependent and operationally caused ageing phenomena with modifications of originally given characteristics and, thus, of relevance in terms of safety. Especially physical ageing is of importance. Therefore, a comprehensive ageing management is required. In the context of an integrated safety management it has to be shown how to integrate the safety related issues of ageing into probabilistic safety assessment (PSA). In particular the question is to be answered whether the effort for the execution of an ageing PSA is justified, in particular if the safety significant effects of ageing can be identified and quantitatively estimated. Method for prioritization of the components in the nuclear power plant considering implication of their ageing on safety of the nuclear power plant is presented. On the basis of an actual report on ageing management in German nuclear power plants and a literature survey, this paper tries to estimate the necessity and value for the introduction of an ageing PSA in Germany.
Źródło:
Journal of Polish Safety and Reliability Association; 2014, 5, 2; 1--10
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prioritizing interdependent production processes using leontief input-output model
Autorzy:
Masbad, J. G.
Noel, V. M.
Omega, R. S.
Ocampo, L.
Abatayo, A. F.
Liggayu, A.
Vergara, V. G.
Powiązania:
https://bibliotekanauki.pl/articles/406691.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
manufacturing proces
process prioritization
input-output model
interdependent production system
Opis:
This paper proposes a methodology in identifying key production processes in an interdependent production system. Previous approaches on this domain have drawbacks that may potentially affect the reliability of decision-making. The proposed approach adopts the Leontief input-output model (L-IOM) which was proven successful in analyzing interdependent economic systems. The motivation behind such adoption lies in the strength of L-IOM in providing a rigorous quantitative framework in identifying key components of interdependent systems. In this proposed approach, the consumption and production flows of each process are represented respectively by the material inventory produced by the prior process and the material inventory produced by the current process, both in monetary values. A case study in a furniture production system located in central Philippines was carried out to elucidate the proposed approach. Results of the case were reported in this work.
Źródło:
Management and Production Engineering Review; 2016, 7, 1; 45-55
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bayesian graphical model based optimal decision-making for fault diagnosis of critical induction motors in industrial applications
Autorzy:
Lakehal, A.
Powiązania:
https://bibliotekanauki.pl/articles/200978.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
maintenance plan
predictive actions
prioritization
critical asynchronous motor
Bayesian approach
Opis:
In an effort to achieve an optimal availability time of induction motors via fault probabilities reduction and improved prediction or diagnostic tools responsiveness, a conditional probabilistic approach was used. So, a Bayesian network (BN) has been developed in this paper. The objective will be to prioritize predictive and corrective maintenance actions based on the definition of the most probable fault elements and to see how they serve as a foundation for the decision framework. We have explored the causes of faults for an induction motor. The influence of different power ranges and the criticality of the electric induction motor are also discussed. With regard to the problem of induction motor faults monitoring and diagnostics, each technique developed in the literature concerns one or two faults. The model developed, through its unique structure, is valid for all faults and all situations. Application of the proposed approach to some machines shows promising results on the practical side. The model developed uses factual information (causes and effects) that is easy to identify, since it is best known to the operator. After that comes an investigation into the causal links and the definition of the a priori probabilities. The presented application of Bayesian networks is the first of its kind to predict faults of induction motors. Following the results of the inference obtained, prioritizations of the actions can be carried out.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 3; 467-476
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
How to Select a Location and a Design of Measures on Land Drainage – A Case Study from the Czech Republic
Autorzy:
Zajíček, Antonín
Hejduk, Tomáš
Sychra, Libor
Vybíral, Tomáš
Fučík, Petr
Powiązania:
https://bibliotekanauki.pl/articles/2086385.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
agricultural drainage
main drainage facility
water pollution
prioritization
design of measures
revitalization
Opis:
A new approach for sites prioritization and designing measures on land drainage was developed and tested on the 96.5 km2 Žejbro catchment (Czech Republic). The aim was to design an effective, mutually interconnected system of measures, on tiles, manholes, outlets as well as on ditches (s.c. main drainage facilities, MDF) that will increase water retention and storage in intensively farmed and tile-drained catchments and will reduce water pollution from subsurface non-point sources (drainage runoff). This approach consists of (I) selecting suitable sites using the Catchment Measures Need Index (CAMNI) method; (II) obtaining information on land drainage in the area of interest; (III) conducting a field survey and water quality monitoring; (IV) designing appropriate systems of measures; and (V) analysing the estimated costs of the proposed measures. Measures were proposed for fourteen sub-catchments that were selected based on the results of a CAMNI analysis and whether an MDF or a heavily modified stream is present. A total of 44 point measures, 62 areal measures, and 99 line measures were proposed. Implementation of these measures would reduce the load of N-NO3, a major pollutant from drainage runoff, by 44 tons per year (48%). From the financial point of view, these measures are not self-financing and the benefits do not cover the expected costs of their implementation and maintenance. However, these measures have a profound ecological and societal benefits which, when taken into account, make these measures suitable for implementation when (co-)financed from public budgets. Putting the presented approach into practice, for example, in the framework of complex land consolidations or by watershed management authorities, could significantly improve the condition and water regime of intensively drained agricultural landscapes.
Źródło:
Journal of Ecological Engineering; 2022, 23, 4; 43--57
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prioritization of Land Consolidation Interventions in the Villages of Central Poland
Autorzy:
Leń, P.
Noga, K.
Powiązania:
https://bibliotekanauki.pl/articles/123209.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
land consolidation
rural areas
defective spatial structure
agricultural land
prioritization ranking
land adjustment
Opis:
Re-structuring of rural spaces is essential for continued sustainable development of these areas. The space-management tool of land consolidation can be used to obtain desirable structural changes, but only if it is systematically implemented and becomes a permanent element of long-term rural management policies of provincial self-governments. Land consolidation and exchange measures should be introduced comprehensively and should be coupled with post-consolidation development of land. Only then can they contribute to the multifunctional development of rural areas. In our previous studies, in order to identify the areas with the greatest defects in the spatial structure which needed land consolidation and exchange most urgently, we carried out the investigations which allowed us to select appropriate factors for identifying such groups of villages. The ranking was established using Hellwig’s synthetic index of development and the zero unitarisation method. This article presents the results of the research carried out in 36 villages of the Opoczno commune, occupying a total area of 16,590.51 ha, divided into 41,990 cadastral plots.
Źródło:
Journal of Ecological Engineering; 2018, 19, 2; 246-254
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Priorytetyzacja STEM w edukacji. Perspektywa aksjologiczno-teleologiczna
Prioritization STEM education. An axiological and teleological perspective
Autorzy:
Grzesiak, Emilia
Powiązania:
https://bibliotekanauki.pl/articles/428403.pdf
Data publikacji:
2019
Wydawca:
Wydawnictwo Naukowe Chrześcijańskiej Akademii Teologicznej w Warszawie
Tematy:
STEM
education
prioritization
significance
social change
economy
development
edukacja
priorytetyzacja
znaczenie
zmiana społeczna
ekonomia
rozwój
Opis:
Contemporaneity is a time of constant changes, heterogeneous needs and growing commitments and aspirations. Transformations do not miss the educational system, which adapts to current needs, objectives and adopted social strategies. This article undertakes the subject of education in the fields of STEM. Areas from this group constitute attractive development directions – important from the point of view of the changing conditions of modern reality and potential chances for achieving stable and valuable work in the future. It presents the goals and the importance of STEM education in the context of the constantly changing socio-cultural reality based on current statistical data on the significance of investing in these areas of education and selected forms of popularizing STEM.
Współczesność to czas ciągłych zmian, niejednorodnych potrzeb oraz rosnących zobowiązań i aspiracji. Transformacje dotyczą również systemu edukacyjnego, który dostosowuje się do aktualnych celów i przyjętych strategii społecznych. Niniejszy artykuł podejmuje temat edukacji STEM. Obszary z tej grupy stanowią atrakcyjne kierunki rozwoju – ważne z punktu widzenia zmieniających się warunków współczesnej rzeczywistości i potencjalnych szans na osiągnięcie stabilnej i wartościowej pracy w przyszłości. Przedstawione są w nim cele i znaczenie edukacji STEM w kontekście stale zmieniającej się rzeczywistości społeczno-kulturowej w oparciu o aktualne dane statystyczne uzasadniające ważność inwestowania w te obszary wiedzy, jak również prezentacja wybranych form popularyzacji edukacji STEM.
Źródło:
Studia z Teorii Wychowania; 2019, 4 (29); 167-184
2083-0998
2719-4078
Pojawia się w:
Studia z Teorii Wychowania
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Risk Prioritization Using the Analytic Hierarchy Process (AHP) in a Tunisian Healthcare Department: A Real-World Case Study
Autorzy:
Ben Moallem, Marwa
Derbel, Chema
Ammar, Mohamed Haykal
Béji, Noura
Dhouib, Diala
Powiązania:
https://bibliotekanauki.pl/articles/578506.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Analytic Hierarchy Process
Oddział położniczy
Priorytetyzacja
Wywiady półstrukturalne,
Obstetrics department
Prioritization
Semi-structured interviews
Opis:
Nowadays, the Tunisian hospital environment is a complex organization in which the safety of the patient is of primary concern to the authorities. In our study we focus on the Obstetrics and Gynecology Department of CHU of Sfax. It should be noted that no risk management study dealt with the hospital logistic chain in this institution. Hence, the purpose of this paper is to develop a strategy targeting the control of risks related to the patient care activities. The proposed approach consists of two phases. First, a qualitative survey, based on 20 semi-structured interviews, is carried out to identify the problems related to care and logistic activities of the Obstetrics and Gynecology Department in CHU Sfax. Second, the assessment of the identified risks in the hospital context is a multicriteria decision problem. To perform the evaluation of the 12 objectives depending on the identified risks, we have chosen the AHP (Analytic Hierarchy Process) for its simplicity and flexibility. The results of this study revealed a complexity of coordination between basic and peripheral services due to several factors. Moreover, the interviewees highlighted the importance of developing a risk management strategy in the Obstetrics and Gynecology Department of Sfax. Finally, we proposed to apply our research in other services of the hospital to control other kinds of risk.
Źródło:
Multiple Criteria Decision Making; 2018, 13; 9-28
2084-1531
Pojawia się w:
Multiple Criteria Decision Making
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphometric analysis and sub-watersheds prioritization of Nagmati River watershed, Kutch District, Gujarat using GIS based approach
Analiza morfometryczna i ustalanie priorytetów dla zlewni rzeki Nagmati, dystryktu Kutch w prowincji Gujarat na podstawie GIS
Autorzy:
Said, S.
Siddique, R.
Shakeel, M.
Powiązania:
https://bibliotekanauki.pl/articles/293152.pdf
Data publikacji:
2018
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
hypsometric analysis
morphometric analysis
Nagmati watershed prioritization
analiza hipsometryczna
analiza morfometryczna
priorytety dla zlewni Nagmati
Opis:
Morphometric analysis of any watershed and its prioritization is one of the important aspects of planning for implementation of management programmes. Present study evaluates the quantitative morphometric characteristics of Nagmati River watershed in Kutch District of Gujarat by utilizing Cartosat-1 data (CartoDEM). In all 19 aerial and 6 linear morphometric parameters of the watershed have been evaluated. Drainage map of the study area reveals a dendritic drainage pattern with sixth order stream network comprising 492 numbers of streams and confining an area of 129.41 km2. Mean bifurcation ratio (Rb) and stream length ratio (RL) of the watershed evaluated are 3.44 and 0.54 respectively which corroborates the fact that drainage pattern is not influenced by the geological evolutions and disturbances in the recent past. The drainage density of 2.68 km∙km–2 indicates impermeable subsoil material with sparse vegetation and moderate to low relief. Elongation ratio of 0.956 infers the basin to be closer to a circular shape. The geologic stage of development and erosion proneness of the watershed is quantified by hypsometric integral (HI) bearing value as 0.5, indicating the landscape to be uniform and in early mature stage. The study prioritizes eight sub-watersheds as high, medium and low for taking up soil and water conservation activities. Hence, remote sensing applications proved to be highly useful in extracting the precise data for the evaluation and analysis of watershed characteristics.
Analiza morfometryczna dowolnej zlewni i ustalanie dla niej priorytetów jest jednym z aspektów planowania podczas wdrażania programów zarządzania zlewnią. W prezentowanych badaniach dokonano oceny ilościowych cech morfometrycznych zlewni rzeki Nagmati w dystrykcie Kutch, prowincja Gujarat, wykorzystując dane Cartosat-1 (CartoDem). Oceniono łącznie 19 powierzchniowych i 6 liniowych parametrów morfometrycznych tej zlewni. Na podstawie mapy obszaru badań można mówić o dendrytowym charakterze drenażu z siecią strumieni szóstego rzędu obejmującą 492 strumienie i pokrywającą obszar 129,41 km2. Średni stosunek bifurkacji (Rb) i stosunek długości strumieni (RL) w zlewni wynoszą odpowiednio 3,44 i 0,54, co potwierdza fakt, że na układ zlewni nie mają wpływu zmiany geologiczne czy zaburzenia w nieodległej przeszłości. Zagęszczenie drenażu równe 2,68 km∙km–2 wskazuje na nieprzepuszczalny materiał podglebia z rzadką roślinnością i urzeźbieniem terenu od umiarkowanego do niewielkiego. Współczynnik wydłużenia 0,956 pozwala wnioskować, że basen ma kształt zbliżony do koła. Geologiczny stan rozwoju i podatność zlewni na erozję wyrażone ilościowo całką hipsometryczną o wartości 0,5 wskazują, że krajobraz jest jednorodny i znajduje się we wczesnym stadium dojrzałości. W badaniach ustalono priorytety dla ośmiu pod-zlewni, nadając priorytet wysoki, średni i niski ze względu na ochronę gleb i wody. Zastosowanie teledetekcji okazało się przydatne w pozyskiwaniu dokładnych danych do oceny i analizy cech zlewni.
Źródło:
Journal of Water and Land Development; 2018, 39; 131-139
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A sensitive approach to identify black spots in urban transport, with application to cities in Algeria
Autorzy:
Kelilba, Mounira
Chaib, Rachid
Kahlouche, Abdelaziz
Powiązania:
https://bibliotekanauki.pl/articles/2203850.pdf
Data publikacji:
2021
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
priority actions
continuous improvement
Moscow prioritization
urban transport
działania priorytetowe
ciągłe doskonalenie
priorytetyzacja w Moskwie
transport miejski
Opis:
Global population growth and rampant urbanization have led to the accelerated development of large cities, which are themselves rapidly affected by a sudden increase in transport demand, or even a disruption of the daily concerns of citizens and the economic growth of the country. Currently, management of urban transport is a major issue in terms of the quality of life for citizens and the economic, social and cultural competition between the different cities. In many parts of the country, cities are booming, which has caused a major disruption in traffic. In spite of investments and development on urban layout, planning and development of means of transport in many cities of the country are faced with problems of massive influx of users, traffic jams, congestion, traffic accidents, and air and noise pollution. However, it should be mentioned that the problems are not identical and each city has its own specificities. The proposed working methodology is based on the identification of the problems in the field reported in the various national media and newspapers, grouped into five groups mentioned in the working approach. These are the black spots recorded in some wilayas of the republic, especially the big cities (Algiers, Constantine, Setif ...). Knowledge of the magnitude of the factors present on the ground makes it possible to have an overview of the malfunctions, or even perform « mapping of the black spots» to better choose the best directions to take. Thus, this study aims to highlight some of the urban transport problems encountered in certain Algerian cities and to then suggest possible solutions, or even identify actions to be undertaken on a priority basis currently and in the future.
Źródło:
Transport Problems; 2021, 16, 1; 199--210
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prioritization of barriers to lean implementation in Indian automotive small & medium sized enterprises
Autorzy:
Tiwari, R. K.
Tiwari, J. K.
Powiązania:
https://bibliotekanauki.pl/articles/406822.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lean barriers
prioritization
Indian automotive SMEs
confirmatory factor analysis
multiple regression
analytic network process
super decision software
Opis:
Lean manufacturing has been the most deliberated concept ever since its introduction. Many organization across the world implemented lean concept and witnessed dramatic improvements in all contemporary performance parameters. Lean manufacturing has been a sort of mirage for the Indian automotive industry. The present research investigated the key lean barriers to lean implementation through literature survey, confirmatory factor analysis, multiple regression, and analytic network process. The general factors to lean implementation were inadequate lean planning, resource constraints, half-hearted commitment from management, and behavioral issues. The most important factor in the context of lean implementation in Indian automotive industry was inadequate lean planning found with the help of confirmatory factor analysis and multiple regression analysis. Further analysis of these extracted factors through analytic network process suggested the key lean barriers in Indian automotive industry, starting from the most important were absence of proper lean implementation methodology, lack of customer focus, absence of proper lean measurement system, inadequate capital, improper selection of lean tools & practices, leadership issues, resistance to change, and poorly defined roles & responsibilities. Though literature identifying various lean barriers are available. The novelty of current research emerges from the identification and subsequent prioritization of key lean barriers within Indian automotive SMEs environment. The research assists in smooth transition from traditional to lean system by identifying key barriers and developing customized framework of lean implementation for Indian automotive SMEs.
Źródło:
Management and Production Engineering Review; 2018, 9, 2; 69-79
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proper, transparent and just prioritization policy as a challenge for national competition authorities and prioritization of the Slovak NCA
Autorzy:
Blažo, Ondrej
Powiązania:
https://bibliotekanauki.pl/articles/2159035.pdf
Data publikacji:
2020-12-18
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
Competition law
EU law
Slovakia
prioritization
parliamentary
surveillance
rejection of complaints
credibility of NCA
accountability of NCA
Opis:
The paper tries to establish some limits of the framework for prioritization policy in order to show that the NCAs are still bound by certain principles for setting their prioritization policies and are not completely independent or autonomous. In this context, priority setting by the Slovak NCA, surveillance of this process and evaluation of its credibility is analysed. The power to prioritize cases became a part of the ‘independence toolkit’ of the ECN+ Directive and is linked to effective use of limited resources. Despite including prioritization into the elements of independence of NCAs, the ECN+ Directive gives no further requirements for the prioritisation of the performance of enforcement powers of NCAs. Decisions regarding prioritization of enforcement can allow a NCA to focus on the most serious infringements of competition law. On the other hand, they can be challenged due to lack of transparency, arbitrariness, disproportionality and because of unequal treatment. Hence the prioritization policy, as well as individual decisions, shall be embedded into the framework safeguarding proper enforcement and due process of law. The legal framework of the European Commission for the system of rejection of cases as well as limited judicial review can serve as an inspiration for NCAs. Although NCAs are not restricted in the selection of their priorities, some competition infringements shall be inevitably included in their priorities, such as cartels and bid rigging. The case of Slovakia and its NCA shows a relatively low level of accountability of the Antimonopoly Office of the Slovak Republic (AMO) to the parliament, and judicial as well as parliamentary control of the prioritization and case selection of the AMO is limited.The paper concludes that within the reform of the Slovak NCA, it will be insufficient to only grant the AMO guarantees of independence, including independence of priority setting, and that mechanisms of accountability and review shall be evolved.
L’article cherche à définir certaines limites du cadre de la politique de priorisation afin de montrer que les ANC sont liées par certains principes pour établir leurs politiques de priorisation et ne sont pas complètement indépendantes ou autonomes. Dans ce contexte, la définition des priorités par l’ANC slovaque, la surveillance de ce processus et l’évaluation de sa crédibilité sont analysées. Le pouvoir de hiérarchiser les affaires fait partie de la stratégie d’indépendance fixée par la directive ECN+ et est lié à l’utilisation efficace de ressources. Bien que la hiérarchisation fasse partie des éléments de l’indépendance des ANC, la directive ECN+ ne prévoit pas d’autres conditions pour la politique de prioritarisation des ANC. Les décisions concernant la hiérarchisation des mesures d’application peuvent permettre à une ANC de se concentrer sur les infractions les plus graves au droit de la concurrence. D’autre part, elles peuvent être critiquées en raison de leur manque de transparence, de leur caractère arbitraire, de leur disproportionnalité et de l’inégalité de traitement. Par conséquent, la politique de hiérarchisation des priorités doit être intégrée dans le cadre garantissant une application correcte et une procédure régulière de la loi. Le cadre juridique de la Commission européenne concernant le rejet des affaires ainsi que le contrôle judiciaire limité peut inspirer les ANC. Bien que les ANC ne soient pas limitées dans le choix de leurs priorités, certaines infractions à la concurrence doivent inévitablement être incluses dans leurs priorités, comme les ententes et les truquages d’offres. Le cas de la Slovaquie montre un niveau relativement faible de responsabilité de l’Office antimonopole de la République slovaque devant le Parlement, et le contrôle judiciaire et parlementaire de la définition des priorités et de la selection des affaires de l’Office est limité. L’article conclut que dans le cadre de la réforme de l’ANC slovaque, il ne suffira pas de garantir l’indépendance de l’AMO, y comprise la fixation des priorités, mais qu’il faudra faire progresser les mécanismes de responsabilité et de contrôle.
Źródło:
Yearbook of Antitrust and Regulatory Studies; 2020, 13, 22; 117-144
1689-9024
2545-0115
Pojawia się w:
Yearbook of Antitrust and Regulatory Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Latency-Aware Network Slicing in 5G Packet xHaul Networks
Autorzy:
Klinkowski, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/27311921.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
5G
radio access networks
packet-switched xHaul
latency-sensitive network
network slicing
traffic prioritization
network optimization
Opis:
Packet-switched xHaul networks are a scalable solution enabling convergent transport of diverse types of radio data flows, such as fronthaul / midhaul / backhaul (FH / MH / BH) flows, between remote sites and a central site (hub) in 5G radio access networks (RANs). Such networks can be realized using the cost-efficient Ethernet technology, which enhanced with time-sensitive networking (TSN) features allows for prioritized transmission of latency-sensitive fronthaul flows. Provisioning of multiple types of 5G services of different service requirements in a shared network, commonly referred to as network slicing, requires adequate handling of transported data flows in order to satisfy particular service / slice requirements. In this work, we investigate two traffic prioritization policies, namely, flowaware (FA) and latency-aware (LA), in a packet-switched xHaul network supporting slices of different latency requirements. We evaluate the effectiveness of the policies in a networkplanning case study, where virtualized radio processing resources allocated at the processing pool (PP) facilities, for two slices related to enhanced mobile broadband (eMBB) and ultra-reliable low latency communications (URLLC) services, are subject to optimization. Using numerical experiments, we analyze PP cost savings from applying the LA policy (vs. FA) in various network scenarios. The savings in active PPs reach up to 40% − 60% in ring scenarios and 30% in a mesh network, whereas the gains in overall PP cost are up to 20% for the cost values assumed in the analysis.
Źródło:
International Journal of Electronics and Telecommunications; 2023, 69, 2; 335--340
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Doradztwo strategiczne – od koncepcji do wdrożenia. Aplikacja nowatorskiej metody MOST opartejna zastosowaniu teorii zbiorów rozmytych w zarządzaniu
Strategy consulting – from concept to implementation. Application of the MOST, innovative method based on the fuzzy sets theory in management
Autorzy:
Chrostowski, Aleksander
Czachorowski, Waldemar
Powiązania:
https://bibliotekanauki.pl/articles/956876.pdf
Data publikacji:
2015-09-15
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
strategia
programy działania
projekty
priorytetyzacja
metoda MOST
logika rozmyta
strategy
action programs
projects
prioritization
the MOST method
fuzzy logic.
Opis:
W trakcie realizacji projektów doradczych dla organizacji, po fazie stworzenia koncepcji nadchodzi etap wyboru najważniejszych celów i programów działania. Wbrew pozorom nie jest to łatwe ani oczywiste, dlatego w trakcie realizacji tego typu prac na rzecz praktyki powstała i została przetestowana metoda zoperacjonalizowania strategii przy zastosowaniu logiki rozmytej, nazwana MOST. Artykuł ten, po pokazaniu implikacji teoretycznych metody, koncentruje się na konkretnych przykładach aplikacji. Pokazuje, w jaki sposób tworzyć portfel programów działania i/lub projektów, jak nadawać im priorytety i badać występujące zależności oraz spójność pomiędzy nimi.
During the implementation of consulting projects for the organization after the stage of creating the concept, the next stage is to select the most important goals and programs of action. Contrary to appearances, this is not easy and obvious. Therefore in progress of this type of work for practitioners, the method of operationalized strategy was established and has been tested, using the fuzzy logic called MOST. This article, after showing the theoretical implications of this method, is focusing on selected examples of the application. It shows how to create a portfolio of work programs and/or projects to give them priorities and to examine existing dependencies and coherence of them.
Źródło:
Problemy Zarządzania; 2013, 3/2013 (43); 25 - 42
1644-9584
Pojawia się w:
Problemy Zarządzania
Dostawca treści:
Biblioteka Nauki
Artykuł
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