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Wyświetlanie 1-15 z 102
Tytuł:
Identification of preferences in decision support systems
Autorzy:
Beskorovainyi, V.
Berezovskyi, H.
Powiązania:
https://bibliotekanauki.pl/articles/411106.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
decision support
multi-criteria optimization
utility function of partial criteria
Opis:
In this work we obtained the solution of increasing of adequacy of models of multicriteria evaluation for the project and management decision support systems. Modifications of the utility functions of partial criteria and the procedure for calculating their values are proposed, which makes it possible to improve the accuracy of approximation of the preferences of the person making the decision, as well as significantly reduce the time for calculating their values. For the parametric synthesis of universal multicriteria estimation models based on the Kolmogorov-Gabor polynomial, an improvement in the method of comparator identification by calculating the Chebyshev point and the discrepancy vector is proposed.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2017, 6, 4; 15-20
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards intelligent decision support for application service providing
Autorzy:
Sitek, P.
Wikarek, J.
Powiązania:
https://bibliotekanauki.pl/articles/118015.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
constraint programming
decision support
ASP
Opis:
Decision support systems (DSS) provide decision-makers with an interactive environment for analyses of information with various models to help solve unstructured and NP-hard problems. The important aspect of DSS is a technical and technological approach to the design and implementation of the above systems. A traditional approach to DSS engineering and implementation requires a great deal of effort for its maintenance. However, the enterprises would like to concentrate on its core competitiveness instead of non-core activities like IT maintenance. As a result of this, IT outsourcing has became a very popular event. Thus there is a growing need for intelligent decision support tools capable of assisting a decision maker in many problems in SMEs (Small and Medium Sized Enterprises). In this paper we present the use of declarative programming (constraint logic programming and relational SQL database) as an environment and framework for such decision support systems in an application service providing (ASP) model.
Źródło:
Applied Computer Science; 2007, 3, 1; 125-142
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards dedicated decision support tools: CLP-based approach
Autorzy:
Banaszak, Z.
Józefczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/118061.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
decision support
constraint logic programming
production planning
modeling
scheduling
Opis:
Constraint programming (CP) is an emergent software technology for declarative description and effective solving of large combinatorial problems especially in areas of integrated production planning. In that context, the CP can be considered as a well-suited framework for development of decision making software supporting small and medium size enterprises in the course of Production Process Planning (PPP). The problem considered regards of finding of computationally effective approach aimed at scheduling of a new project subject to constraints imposed by a multi–project environment. In other words, we are looking for an answer whether a given production order specified by its cost and completion time can be accepted in a given manufacturing system specified by available production capability, i.e., the time-constrained resources availability. The problem belongs to a class of multi-mode case project scheduling problems, where the problem of finding a feasible solution is NPcomplete. The aim of the paper is to present the CP modeling framework as well as to illustrate its application to decision making in the case of a new production order evaluation. So, the contribution emphasizes benefits derived from CPbased DSS and focuses on constraint satisfaction driven decision-making rather than on an optimal solution searching.
Źródło:
Applied Computer Science; 2005, 1, 1; 161-180
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementations of interactive multicriteria decision support methods in conditions of risk
Autorzy:
Targiel, K. S.
Powiązania:
https://bibliotekanauki.pl/articles/406463.pdf
Data publikacji:
2012
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
decision support
multicriteria decision making
operations research software tools
Opis:
This paper presents programs which implement the tools for interactive methods of decision support under risk proposed by M. Nowak, as a complementary way to disseminate research results. It also presents a discussion of the appropriateness of implementing quantitative method tools in the form of add-ins to MS Excel.
Źródło:
Operations Research and Decisions; 2012, 22, 3; 55-62
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of declarative framework for decision support system in scheduling problems
Autorzy:
Sitek, P.
Wikarek, J.
Powiązania:
https://bibliotekanauki.pl/articles/117767.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
constraint programming
decision support
scheduling
Opis:
Scheduling problems appear frequently at different levels of decisions. They are usually characterized by many types of constraints, which make them unstructured and difficult to solve (NP-complete). Traditional mathematical programming approaches are deficient because their representation of constraints is artificial (using 0-1 variables). Unlike traditional approaches, constraint logic programming (CLP) provides for a natural representation of heterogeneous constraints. In CLP we state the problem requirements by constraints; we do not need to specify how to meet these requirements. In this paper we propose a declarative framework for decision support system (DSS) for constrained search problems implemented by CLP and relational SQL database. We illustrate this concept by the implementation of a DSS for scheduling problems with external resources in different production organization environments.
Źródło:
Applied Computer Science; 2007, 3, 2; 69-86
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Human-automation interaction for autonomous ships: decision support for remote operators
Autorzy:
Porathe, T.
Powiązania:
https://bibliotekanauki.pl/articles/2063968.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
autonomous ship
remote operation
human-automation interaction
decision support
artificial intelligence
unmanned ship
autonomous shipping
Opis:
At NTNU in Norway an 8-year research project has been established to (among other things) research the interaction between humans and unmanned, autonomous ships. The human will become even more important when ship operator will be located remotely in shore control centers ashore. This concept paper will take a closer look on remote decision-making by operators monitoring several ships. How can interface design help them to get quickly into-the-loop when something unexpected suddenly happens? I will in this paper suggest keeping a copy of the AI expert-system controlling the ship, updated and running in parallel in the control center to keep the operator’s situation awareness during short communication glitches. Also, to design a “quickly-getting-into-the-loop-display” which automatically will appear in an alarm situation, allowing the operator just-in-time and simple-to-understand information. I will also stress the important of the concept automation transparency.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 511--515
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Navigation decision support for sea-going ships in port approach areas
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Wielgosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/135370.pdf
Data publikacji:
2018
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
navigation
decision support
safety
approach area
ship domain
traffic monitoring
collision avoidance
Opis:
Port approaches are high-traffic areas with limited manoeuvring space. Navigation in such areas requires the analysis of large amounts of information, which can impede decision processes. One solution may be the development of decision support systems dedicated to these areas. This paper presents an attempt to build a navigation decision support system operable in the approach area leading to the port of Świnoujście (Poland), with ship domain implemented as a safety criterion. Assumptions for a decision support system to be used by sea-going vessels in port approach areas are formulated and discussed. Specific features of these areas, such as traffic density, bathymetry, available manoeuvring space and legal limitations are taken into account. The source and scope of information available to the ship have been analysed. The scope of decision support has been defined. A ship domain has been proposed as a safety criterion. Approach areas leading to the port of Świnoujście have been investigated on the basis of real Automatic Identification System (AIS) data. Vessel movement processes in the chosen area were analysed. Ship domains in various parts of the area were determined. The first results concerning criteria for navigational safety assessment are presented. The conducted studies showed significant differences in the size of domains. A case study was performed on a decision support system operable in the approach area leading to Świnoujście.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 54 (126); 75-83
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decision support systems in search, rescue and salvage operations at sea
Autorzy:
Małyszko, M.
Wielgosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/135080.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
decision support
search and rescue
salvage operations
environment protection
working procedures
simplified algorithm
Opis:
This article presents the concept of a decision support system for maritime search, rescue and salvage operations. It describes the main ideas for systems in three areas of maritime rescue – search and rescue (saving lives), salvage (saving property at sea), and environment protection operations. It contains an analysis of the factors influencing the decisions of both marine navigators and shore-based centres. The general ideas of the systems are presented in the form of flow charts. An analysis was made of input data, working procedures, and the decisions based on these data and procedures. The simplified algorithm of the system is described. The principles of system utilisation are explained, developmental trends are described, and conclusions are drawn.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 191-195
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CP-based decision support package for production flow planning - an SME perspective
Autorzy:
Bzdyra, K.
Tomczuk-Piróg, I.
Powiązania:
https://bibliotekanauki.pl/articles/1395582.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
constraint logic programming
decision support
flow planning
constraint satisfaction problem (CSP)
Opis:
Solving complex, decision-making problems requires application of decision support systems. The best solving strategy can be defined for each particular problem. The strategy refers to a sequence solving elementary subproblems. The aim of the paper is to present the evaluating criterion to estimate the efficiency of searching strategies. The criterion proposed offers a possibility to estimate the time needed to solve a constraint satisfaction problem. An illustrative example is provided.
Źródło:
Applied Computer Science; 2006, 2, 1; 100-109
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards cognitive decision support: A model of behavioural assessment of multi-criteria methods
Autorzy:
Roszkowska, Ewa
Wachowicz, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2183430.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
decision support
behavioural decision analysis
preference analysis
AHP
SMART
TOPSIS
Opis:
The Negotiation Support Systems often implement multiple criteria decision aiding (MCDA) techniques for building a negotiation scoring system. Those formal models should meet the needs, motivations, expectations, and cognitive abilities of users. In this paper, we try to explore the effects of decision maker’s subjective perception of ease of use, time requirements, interface, preference representation, and efficiency of a particular MCDA method on the choice regarding the future use of this method. The multinomial logistic regression model is built and analysed. The analysis is based on data from online decision making experiments, where three MCDA methods were implemented, i.e. AHP, SMART, and TOPSIS. The study provides several interesting findings, concerning the behavioural aspects of multiple criteria decision aiding in software support systems. Most of the users recommended TOPSIS as the best one for supporting decisions in the future. This is a fast technique, for which we used an attractive graphical interface, suggesting that these factors play a crucial role in the users’ choices. However, the causative regression model showed that the user’s positive experience in using a particular method, i.e. its effectiveness in solving an exemplary numerical case, has the highest impact on the method’s choice for future use. The second most important factor is the adequacy in representing the user’s preferences by this method. We show, however, that the strengths of effects and their significance may vary across the methods. Understanding the decision maker’s evaluations of the MCDA techniques may help build a cognitive negotiation support system that satisfies the user’s expectations.
Źródło:
Control and Cybernetics; 2021, 50, 1; 145--168
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reasoning algorithm for a creative decision support system integrating inference and machine learning
Autorzy:
Wilk-Kolodziejczyk, D.
Powiązania:
https://bibliotekanauki.pl/articles/305355.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
reasoning algorithm
inferential theory of learning
decision support
rule induction
logic of plausible reasoning
Opis:
In this paper a reasoning algorithm for a creative decision support system is proposed. It allows to integrate inference and machine learning algorithms. Execution of learning algorithm is automatic because it is formalized as aplying a complex inference rule, which generates intrinsically new knowledge using the facts stored already in the knowledge base as training data. This new knowledge may be used in the same inference chain to derive a decision. Such a solution makes the reasoning process more creative and allows to continue resoning in cases when the knowledge base does not have appropriate knowledge explicit encoded. In the paper appropriate knowledge representation and infeence model are proposed. Experimental verification is performed on a decision support system in a casting domain.
Źródło:
Computer Science; 2017, 18 (3); 317-338
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decision support for extracting and dissolving consumers uneasiness over foods using stochastic DEMATEL
Autorzy:
Tamura, H.
Okanishi, H.
Akazawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/309056.pdf
Data publikacji:
2006
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
safe
secure and reliable society
structural modelling
decision support
stochastic DEMATEL
stochastic composite importance
Opis:
In this paper we try to extract consumers' uneasy factors on foods such as carcinogenic substance, bovine spongiform encephalopathy (BSE) problem, genetic recombination, etc., and try to construct structural models among these uneasy factors using stochastic DEMATEL. Stochastic DEMATEL is developed as a revised DEMATEL (Decision Making Trial and Evaluation Laboratory) to extract structural models of a complex problematique composed of many factors under uncertainty. For structural modeling of uneasy factors on foods we look at the binary relation such that "How much would it help to dissolve uneasy factor j by dissolving uneasy factor i?" Finally, we try to find the priority of dissolving each factor among all the uneasy factors based on the information of stochastic composite importance. This would contribute for decision support to dissolve uneasy feeling and to get sense of security on foods.
Źródło:
Journal of Telecommunications and Information Technology; 2006, 4; 91-95
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A navigational decision support system for sea-going ships
Nawigacyjny system wspomagania decyzji na statku morskim
Autorzy:
Pietrzykowski, Z.
Magaj, J.
Chomski, J.
Powiązania:
https://bibliotekanauki.pl/articles/156106.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
wspomaganie decyzji
nawigacja
statek morski
decision support
navigation
seagoing vessel
Opis:
This article presents a model of a navigational decision support system on a sea-going vessel. Apart from basic information functions, the system executes tasks typical of decision support systems. Its basic functions and performance are described. Problems of navigational data acquisition and integration as well as navigational situation analysis and assessment are discussed. The system generates solutions of collision situations. Navigators' knowledge is implemented in the system by using artificial intelligence tools and methods. Its key feature is the capability of explaining generated conclusions. The prototype system, built using the presented model, is being tested in real conditions onboard ship.
W artykule przedstawiono model nawigacyjnego systemu wspomagania decyzji na statku morskim. System realizuje obok podstawowych funkcji informacyjnych zadania typowe dla systemów wspomagania decyzji. Przedstawiono główne funkcje systemu oraz ich realizację. Scharakteryzowano zagadnienia akwizycji i integracji danych nawigacyjnych, funkcje analizy i oceny sytuacji nawigacyjnej. System umożliwia generowanie proponowanych rozwiązań sytuacji kolizyjnych. W systemie zaimplementowano wiedzę nawigatorów przy zastosowaniu m.in. metod i narzędzi sztucznej inteligencji. Istotną cechą systemu jest możliwość objaśniania generowanych wniosków. Na podstawie przeprowadzonej analizy modelowanego systemu, opracowano diagramy pakietów, stanowiące agregację elementów modelu. Przedstawiony model struktury systemu stanowił podstawę do opracowania architektury fizycznej. Uwzględniono środowisko funkcjonowania systemu. Stanowią je statkowe urządzenia i systemy nawigacyjne, będące źródłem informacji dla systemu. W systemie wyróżniono trzy moduły - aplikacje działające jednocześnie, realizujące funkcje systemu. Pierwsza z nich odbiera komunikaty z sensorów, a po ich selekcji i integracji przesyła zagregowane dane do drugiej aplikacji - programu zarządzającego. Rezultaty procesów przetwarzania wysyłane są do trzeciej z aplikacji -GUI, której zadaniem jest zobrazowanie sytuacji nawigacyjnej na ekranie monitora oraz komunikacja nawigatora z systemem. Prototyp wykonany na podstawie prezentowanych modeli jest testowany w warunkach rzeczywistych na statku morskim.
Źródło:
Pomiary Automatyka Kontrola; 2009, R. 55, nr 10, 10; 860-863
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Performance of the decision support system in real conditions
Działanie systemu wspomagania decyzji w warunkach rzeczywistych
Autorzy:
Magaj, J.
Uriasz, J.
Powiązania:
https://bibliotekanauki.pl/articles/360676.pdf
Data publikacji:
2011
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
bezpieczeństwo nawigacji
ocena sytuacji nawigacyjnej
wspomaganie decyzji
integralność
prezentacja danych
safety of navigation
evaluation of navigational situation
decision support
integrity
Opis:
Officers of the watch, while performing their duties, relay on their best professional knowledge. The watchkeeping officer alone has to evaluate the present navigational situation and undertake proper maneuvers in order to avoid collisions or close quarter situations. Any manoeuvre has to be made in accordance with international rules and be well predictable by other ships in the vicinity. This one-man decision making process needs assistance. It could be delivered by new, often artificial intelligence tools – decision support systems. Such prototype system has been created at the Maritime University of Szczecin. This article presents results of tests performed in real marine conditions.
Nawigator podczas pełnienia wachty, podejmując decyzje, kieruje się własnym doświadczeniem. Samodzielnie musi ocenić sytuację nawigacyjną i wykonać właściwy manewr w celu uniknięcia kolizji bądź sytuacji nadmiernego zbliżenia. Każdy manewr musi być wykonywany w zgodzie z przepisami międzynarodowymi, zrozumiały i przewidywalny dla innych statków w sąsiedztwie. Ten samodzielny proces podejmowania decyzji potrzebuje asysty. Stanowić ją może nowe, inteligentne narzędzie – system wspomagania decyzji. Prototyp takiego systemu został zbudowany na Akademii Morskiej w Szczecinie. Artykuł przedstawia wyniki testów systemu wspomagania decyzji przeprowadzonych w warunkach rzeczywistych.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2011, 27 (99) z. 2; 28-35
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decision support for choosing a scenario for organizing urban transport system with share of electric vehicles
Autorzy:
Jacyna, Marianna
Żochowska, Renata
Sobota, Aleksander
Wasiak, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/2203081.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
decision support
electric vehicles
urban transport system
travel demand model
pollutant emissions
urban area
limited accessibility of the city
sustainable urban mobility
wspomaganie decyzji
pojazdy elektryczne
system transportu miejskiego
model popytu na podróż
emisje zanieczyszczeń
obszar miejski
ograniczona dostępność miasta
zrównoważona mobilność miejska
Opis:
This article presents the issue of using decision support tools to select the variant of organization of urban transport system. Two scenarios for the use of electric vehicles were compared, considering not only their emissions and fuel consumption but also the limited accessibility of conventional vehicles to the city. The authors assume that the development of urban traffic organization must go hand in hand with the challenges of planning sustainable urban mobility and reducing harmful exhaust fumes. Furthermore, decision-makers should be equipped with simple decision support tools to generate the best option considering the expectations of transport users. The PTV VISUM tool was used to analyse and visualize two different organization scenarios for a selected city in Poland.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 117; 69--89
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 102

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