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Wyświetlanie 1-3 z 3
Tytuł:
Its-pro-flow: a new enhanced short-term traffic flow prediction for intelligent transportation systems
Autorzy:
Kozici, Halil Ibrahim
Kosunalp, Selahattin
Arucu, Muhammet
Powiązania:
https://bibliotekanauki.pl/articles/27314659.pdf
Data publikacji:
2023
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
traffic flow
intelligent transportation
prediction
Pro-Energy
przepływ ruchu
inteligentny transport
przewidywanie
Opis:
Short-term traffic flow prediction plays a significant role in various applications of intelligent transportation systems (ITS), such as road traffic control and route guidance. This requires the development of intelligent prediction approaches for accurate and timely traffic flow information. To handle this issue, this paper emphasizes the potential of a new idea to propose a high-quality and intelligent prediction of short-term traffic flow in ITS. The proposed model, referred to as ITS-Pro-Flow, takes the benefits of the well-known Profile-Energy (Pro-Energy) as a landmark solution, relying on past observations and current conditions to forecast future short-term traffic flow volume. ITS-Pro-Flow has an effective prediction mechanism due to its unique enhancements over Pro-Energy. The distinctive feature of ITS-Pro-Flow is that it dynamically adjusts the contributions of past predictions and current observations for a particular prediction, which is equally performed in Pro-Energy. We prove the performance of ITS-Pro-Flow through extensive simulations with 2 datasets, in comparison to Pro-Energy and IPro-Energy. Performance results clearly indicate that ITS-Pro-Flow provides more accurate predictions than other schemes.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2023, 120; 117--136
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approach to predict product quality considering current customers’ expectations
Autorzy:
Siwiec, Dominika
Pacana, Andrzej
Bednárová, Lucia
Powiązania:
https://bibliotekanauki.pl/articles/27313593.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
predict
product quality
decision support
naïve Bayesian classifier
weighted sum model
customer expectations
przewidywanie
jakość produktu
wspomaganie decyzji
naiwny klasyfikator Bayesa
metoda sumy ważonej
oczekiwania klientów
Opis:
Purpose: The purpose was to develop an approach to predict product quality considering current customers' expectations. Design/methodology/approach: The approach includes integrated techniques, i.e.: SMART(-ER) method, a questionnaire with the Likert scale, brainstorming (B&M), WSM method, and Naïve Bayes Classifier. This approach refers to obtaining customers' expectations for satisfaction from the current quality of products and the importance of these criteria. Based on the satisfaction of customers, the quality of the product was estimated and classified. Then, the quality of the product was predicted for current customers. Findings: It was shown that it is possible to predict product quality based on current customer expectations, and so based on the current existing product. Research limitations/implications: The proposed approach does not include the possibilities of determining the expected quality of the product. The approach focuses on predicting customers' satisfaction with the current quality of the product. Therefore, if there is a need for improvement actions, further analyzes should be carried out to determine which criteria should be modified and how. Practical implications: The presented approach can be used for any product. Therefore, it is a useful tool for any kind of organization, which strives to meet customer satisfaction. Despite the possibility to predict the quality of the product, the proposed approach can indicate at an early stage to the organization that it is necessary to make improvement actions. Social implications: It is possible to reduce the waste of resources by predicting that improvement actions are necessary. Moreover, the approach supports an entity (e.g., expert, enterprise, interested parties) in predicting current customers' satisfaction. Originality/value: Originality is predicting product quality based on current customers' expectations. A new combination of quality management techniques, decision support, and machine learning was implemented.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2022, 155; 461--472
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of early warning models on enterprises from the SEZS Europark Mielec
Autorzy:
Chmiel, Justyna
Kozioł, Karolina
Pitera, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/392879.pdf
Data publikacji:
2019
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
financial situation of an enterprise
early warning models
company bankruptcy forecast
special economic zone
sytuacja finansowa przedsiębiorstwa
modele wczesnego ostrzegania
przewidywanie bankructwa przedsiębiorstwa
specjalna strefa ekonomiczna
Opis:
In this article the authors focus on the verification of models for forecasting bankruptcy of enterprises. 30 enterprises located in the Mielec zone were surveyed. Early warning models were used in the study, including 6 discrimination models and 4 logit models. The purpose of the article is to verify the effectiveness of selected models for forecasting the bankruptcy of enterprises that operate in the Mielec special economic zone. The financial data came from the period 1999-2017. It should be noted that "healthy" enterprises, i.e. those in good financial condition, operate in the zone to date. The conducted research shows that the selected models correctly reflected the financial situation of the surveyed enterprises (Institute of Economic Sciences of the Polish Academy of Sciences model of F. Mączyńska and M. Zawadzki 80% accurate forecasts, and the model of J. Gajdka and D. Stos 73.3%). The authors point out the need to use many analysis models to reliably assess the financial situation of enterprises. If only one model is used, the results may lead to erroneous conclusions.
Źródło:
Organizacja i Zarządzanie : kwartalnik naukowy; 2019, 4; 5-15
1899-6116
Pojawia się w:
Organizacja i Zarządzanie : kwartalnik naukowy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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