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Today, offering the best price, meeting delivery due dates and being trustworthy for quality are among competitiveness’ indicators for companies. To keep competitiveness at a high level, maintenance serves as an important support process. Maintenance activities in manufacturing and service sector, by keeping the physical capacity ready and reliable, play an important role in sustaining production, reducing cost, and keeping customers happy. Therefore, maintenance operations like management, planning and monitoring need to be carried out efficiently with the support of information technologies. In this study, design requirements are described for maintenance modules integrated in enterprise resource planning (ERP) systems as a result of the redesign of the processes that are currently carried out manually using business process management (BPM) and business process reengineering (BPR) supported by information technologies. To increase the efficiency of the maintenance activities and to facilitate monitoring, maintenance management system is designed considering system performance indicators by using the IBM Business Modeler program and business process management notation (BPMN). The proposed system will contribute to many companies primarily in manufacturing whose aim is to improve maintenance processes in the context of digitalization and integrating them into enterprise resource planning software. [ABSTRACT FROM AUTHOR]

The transportation sector is directly related to socio-economic developments. Mobility of goods and passengers are ensured by the transportation sector. The development of transportation systems is the basis of both social and economic development. In the past, development policies and strategies have tended to focus on physical capital, while in recent years it has become more complex, including human capital issues. Regardless of the relative importance of physical and human capital, infrastructure cannot remain effective without proper activities and maintenance. While economic activities cannot take place without an infrastructure foundation, infrastructure cannot develop without interacting with other production systems. Many transportain activities have a complex relationship between their high transaction and serviceoriented functions and their physical and human capital needs. Therefore, states transfer resources to both investment and maintenance services in the transportation sector for the development of economies. In this study, Turkey's economic growth, gross domestic product (GDP) are examined the relationship between the resources allocated to investment and maintenance services in the transport sector are compared with selected countries. While maintenance expenses were 874 million USD in 2012, they decreased to 230 million USD in 2016. The share of maintenance expenses in the transportation sector in GDP increased from 0.01% in 1995, 0.05% in 2001, 0.04% in 2008, to 0.08% in 2011, and declined to 0.02% in 2016. [ABSTRACT FROM AUTHOR]

This study proposes a genetic algorithm (GA) based model to generate examination schedules such that they focus on students' success in addition to satisfying the hard constraints required for feasibility. The model is based on the idea that the student success is positively related to the adequate preparation and resting time among exams. Therefore, the main objective of this study is to maximize time length among exams (i.e., paper spread) considering the difficulties of exams. Two different genetic algorithm models were developed to optimize paper spread. In the first genetic algorithm model, a high penalty approach was used to eliminate infeasible solutions throughout generations. The second genetic algorithm model controls whether or not each chromosome joining the population satisfies the hard constraints. To evaluate the models, a set of experiments have been designed and studied using the data collected from the College of Engineering in Pamukkale University. [ABSTRACT FROM AUTHOR]