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Internetowe systemy informacji przestrzennej (WebGIS)

100%
Melaniuk M., Uniwersytet Łódzki Z. I. E.
Acta Universitatis Lodziensis. Folia Oeconomica
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2003
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vol. 167
EN
Some chosen elements of Spatial Information Systems on the web and relationship between e-business and WebGIS are presented. Geographic information services on the web are illustrated by atlas of Łódź and interactive plan of city.
PL
Artykuł zawiera wybrane elementy wykorzystania Systemów Informacji Przestrzennej w Internecie. Scharakteryzowano systemy GIS i na tym tle pokazano związki między biznesem elektronicznym a WebGIS-em. Niektóre usługi geoinformatyczne zilustrowano na przykładzie atlasu Łodzi oraz interaktywnego planu miasta.
2
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Wybrane problemy metodologii projektowania komputerowych systemów symulacyjnych (na przykładzie systemów masowej obsługi)

100%
Melaniuk M., Uniwersytet Łódzki K. I.
Acta Universitatis Lodziensis. Folia Oeconomica
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1987
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vol. 64
EN
The article discuses certain selectad problems connected with methodology of designing computer simulatlon systems. There were shown one of concapts concerning documantation of stages in conatruction of a Computer simulation model in comparison with methodology of designing electronic data processing system at the level of en industrial enterprise. The author descussed the way of creating a conceptual model for the mass service system, network of operations of a model simulating behaviour of this system, and the problem of generating input data in conditions of appearance of randomness of phenomena. Finally. attention ia focussed on the way of using Computer simulation systems.
3
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Problemy optymalizacji w warunkach wielorakości celów

100%
Melaniuk M., Uniwersytet Łódzki K. I.
Acta Universitatis Lodziensis. Folia Oeconomica
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1987
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vol. 64
EN
The artlcle discusses problems connected with optimization of multi-objective systems. The author analyzes formetion of economic activliy objectives in partlcular economic formations and some problems connected with determinatlon of hierarchical structure of objectlves. There were defined relationships between type of objectives end mathematical programming and formuleted the vector optimization problem.
4
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Optymalizacja systemów gospodarczych metodą eksperymentowania symulacyjnego. Aspekt dydaktyczny

100%
Melaniuk M., Uniwersytet Łódzki Z. I. E.
Acta Universitatis Lodziensis. Folia Oeconomica
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2007
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vol. 211
EN
The article describes step by step the stages of creation the simulation models and their application to optimize the functioning of economic system. There are considered 2 simple problems: - optimization of amount of papers supplied to the kiosk; optimization criterion is risk maximizing, - optimization of amount of employers in the repair base; optimization criterion is costs minimization. All of the calculations are made by means of Excel spreadsheet. The next aim of creating the simulation model was to develop the skills of using spreadsheets by economic students and by decision makers in the firms.
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