Temat: municipal services companies - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Use of computer assistance in order to designate the tasks in the municipal services companies
Autorzy:: Izdebski, M.
Jacyna, M.
Powiązania:: https://bibliotekanauki.pl/articles/241863.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: municipal services companies
transport
optimization
genetic algorithm
verification
Opis:: In this article, the method of designating the tasks in the municipal services companies was described. Presented method consists of three phase: the preparatory phase, the optimization phase and the generated tasks phase. Each phase was characterized. In this paper, the mathematical model of this problem was presented. The function of criterion and the condition on designating the tasks were defined. The minimum route described in the optimization phase was designated by the genetic algorithm. In this paper, the stages of constructing of the genetic algorithm were presented. A structure of the data processed by the algorithm, a function of adaptation, a selection of chromosomes, a crossover, a mutation and an inversion were characterized. A structure of the data was presented as string of natural numbers. In selection process, the roulette method was used and in the crossover, process the operator PMX was presented. The method was verified in programming language C #. The process of verification was divided into two stages. In the first stage, the best parameters of the genetics algorithm were designated. In the second stage, the algorithm was started with these parameters and the result was compared with the random search algorithm. The random search algorithm generates 2000 routes and the best result is compared with the genetic algorithm. The influence of the inversion, the mutation and the crossover on quality of the results was examined.
Źródło:: Journal of KONES; 2014, 21, 2; 105-112
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Skocz do pozycji: 2.

Tytuł:: The Use of Heuristic Algorithms to Optimize the Transport Issues on the Example of Municipal Services Companies
Autorzy:: Izdebski, M.
Powiązania:: https://bibliotekanauki.pl/articles/223579.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: municipal services companies
transport
optimization
genetic algorithm
ant algorithm
usługi komunalne
optymalizacja
algorytm genetyczny
Opis:: In this article the main optimization problems in the municipal services companies were presented. These problems concern the issue of vehicle routing. The mathematical models of these problems were described. The function of criterion and the conditions on designating the vehicle routing were defined. In this paper the hybrid algorithm solving the presented problems was proposed. The hybrid algorithm consists of two heuristic algorithms: the ant and the genetic algorithm. In this paper the stages of constructing of the hybrid algorithm were presented. A structure of the data processed by the algorithm, a function of adaptation, a selection of chromosomes, a crossover, a mutation and an inversion were characterized. A structure of the data was presented as string of natural numbers. In selection process the roulette method was used and in the crossover process the operator PMX was presented. This algorithm was verified in programming language C #. The process of verification was divided into two stages. In the first stage the best parameters of the hybrid algorithm were designated. In the second stage the algorithm was started with these parameters and the result was compared with the random search algorithm. The random search algorithm generates 2000 routes and the best result is compared with the hybrid algorithm.
Źródło:: Archives of Transport; 2014, 29, 1; 27-36
0866-9546
2300-8830
Pojawia się w:: Archives of Transport
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Skocz do pozycji: 3.

Tytuł:: The Effectiveness of Municipal Waste Management in Polish Cities
Autorzy:: Wąsowicz, Krzysztof
Powiązania:: https://bibliotekanauki.pl/articles/903805.pdf
Data publikacji:: 2019
Wydawca:: Uniwersytet Ekonomiczny w Krakowie, Małopolska Szkoła Administracji Publicznej
Tematy:: public utility services
municipal waste companies
economic effectiveness
taxonomic methodology
Opis:: Objectives: To seek for the optimum economic model for public utility services in the sector of municipal waste management; to present the results of studies regarding the efficiency of companies in the sector of management of municipal waste and the systems that such companies function within. Research Design & Methods: Multi-criterion rankings with the use of synthetic variable, the structure of which has been based on zeroed unitarisation (method of zeroed unitarisation – MZU). Owing to general financial data, technical and operational data, as well as output data, it was possible to determine rankings of effectiveness for companies in the system of municipal waste management and communes. What is more, a correlation diagram was created – the dependency between the aggregated effectiveness of companies and the aggregated effectiveness of waste management in communes. Findings: Communes which entrust municipal companies with management of an integrated system for municipal waste management or/and its individual chains feature more properties of operating, economic, and financial effectiveness within the scope of management of municipal waste. Implications / Recommendations: It is demonstrated that communes which entrust municipal companies with management of an integrated system for municipal waste management – or/and its individual chains – feature more properties of operating, economic, and financial effectiveness within the scope of the management of municipal waste. Contribution / Value Added: Further extended research into the organisation and management of the municipal waste management system. Article classification: The article presents an original and innovative analysis of the municipal waste management sector with the use of the developed research method of aggregation and unit efficiency ranking. The purpose is to continue the extended research on the organisation and management of the municipal waste management system.
Źródło:: Zarządzanie Publiczne / Public Governance; 2019, 4(50); 23-38
1898-3529
2658-1116
Pojawia się w:: Zarządzanie Publiczne / Public Governance
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Skocz do pozycji: 4.

Tytuł:: Innowacje w nadzorze spółek komunalnych
Innovations in the supervision of communal companies
Autorzy:: Barwacz, Kazimierz
Powiązania:: https://bibliotekanauki.pl/articles/415301.pdf
Data publikacji:: 2015-01
Wydawca:: Małopolska Wyższa Szkoła Ekonomiczna w Tarnowie
Tematy:: nadzór właścicielski
spółki kapitałowe sektora komunalnego
model nadzoru
usługi publiczne
zamówienie in house
owner’s supervision
capital companies of the municipal sector
model of supervision
general economic interests
public services
order “in house”
Opis:: W artykule przedstawiono dyskusję wokół innowacji organizacyjnych dotyczących koncepcji nadzoru właścicielskiego spółek komunalnych. Dokonano prezentacji teorii ekonomicznych w kontekście innowacji, a także omówiono uwarunkowania prawno-organizacyjne, które generują innowacje organizacyjne będące źródłem rozwiązań praktycznych. Całość zagadnienia jest osadzona w kontekście problematyki nadzoru korporacyjnego i jego specyfiki, tj. nadzoru właścicielskiego specjalnych spółek komunalnych (SSK). Ponadto przeanalizowano uwarunkowania funkcjonowania tych spółek z uwzględnieniem rozwiązań Unii Europejskiej i krajowych, zaprezentowano również źródła kryteriów oceny efektywności sprawowanego nadzoru właścicielskiego. W dalszej części artykułu zajęto się analizą przypadku funkcjonowania dwóch SSK oraz zaproponowano ramowy model struktury nadzorczej na przykładzie badań empirycznych. Celem opisanych badań jest dokonanie oceny istniejącego systemu nadzoru właścicielskiego specjalnych spółek komunalnych realizujących zamówienie in house oraz przedstawienie koncepcji nadzoru właścicielskiego sprawowanego przez jednostki samorządu terytorialnego (JST) nad tymi spółkami wraz z podaniem warunków jej implementacji. W końcowej części artykułu wymieniono wnioski wynikające z przeprowadzonych badań.
The article presents discussion around the essence and meaning of innovation of organizational concerning ideas of the owner’s supervision of communal companies. The presentation of methods of economic theories in the context of the innovation, and also detailed analysis of legal and organizational conditions which generate organizational innovations, being the source of practical solutions. The whole of the problem is embedded in the context of the problems of the corporate supervision and its specific i.e. the owner’s supervision of special communal companies (SCC). Also, it presents conditionings of the kelter of these companies with the regard of the EU and national solutions, also sources of evaluation criteria the effectiveness of performed owner’s supervision have been presented. In the further part of the article one presented the case study of the kelter of two SCC and presents the frame-model of the supervisory structure on the example of empirical research. The purpose of the research described in the article is the evaluation of the existing system of the owner’s supervision of special communal companies, realizing the order “in house” and presentation of the idea of the owner’s supervision performed by individuals of local government (LG) over these companies, along with defining the conditions of their use. The final part of the article presents conclusions of the research.
Źródło:: Zeszyty Naukowe Małopolskiej Wyższej Szkoły Ekonomicznej w Tarnowie; 2015, 1(26); 11-21
1506-2635
Pojawia się w:: Zeszyty Naukowe Małopolskiej Wyższej Szkoły Ekonomicznej w Tarnowie
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Informacja

Wyszukujesz frazę "municipal services companies" wg kryterium: Temat

Źródło danych

Dostawca treści

Kolekcja

Rok wydania

Wydawca

Temat

Autor

Typ dokumentu

Język