Wahyu Andy Prastyabudi

UiT The Arctic University of Norway

The excellence of service provided by library serve as essential factors for maintaining student’s engagement and motivation in learning. However, the number of accredited libraries, indicating their quality, is relatively low. This paper aims to measure the service quality of a library owned by higher education institution in accordance with accre...

Fairly tight competition in telecommunication business requires companies to continue improving the quality of their services, including handling network problems or customer complaints. However, the amount of disturbance that occurs is often unpredictable. Indeed, this condition will impact the allocation of resources and budget for handling custo...

Shooting is one of the essential abilities that military personnel must regularly train. One technology that can be applied to the military shooting sector is the Virtual Reality (VR) shooting game. This technology is a shooting training simulator for Military Personnel. This study compares the shooting performance of military personnel in both rea...

Shooting is one of the essential abilities that military personnel must regularly train. One technology that can be applied to the military shooting sector is the Virtual Reality (VR) shooting game. This technology is a shooting training simulator for Military Personnel. This study compares the shooting performance of military personnel in both rea...

MSMEs have an important role in sustaining the national economy as it contributes about 60 percent of GDP. On the other hand, however, the expansion of their business is considerably low. According to an economic survey by BPS in 2016, more than 63.72 percent of MSMEs had no plan to develop their business for various reasons. In addition, the Covid...

ABSTRAK UMKM memiliki peran penting bagi perekonomian Indonesia dengan sumbangsih sekitar 60 persen dari PDB. Namun di lain sisi, ekspansi UMKM di sekitar kita masih tergolong rendah. Berdasarkan survei ekonomi BPS 2016, terdapat sejumlah 63,72 persen pengusaha yang menyatakan tidak ada rencana untuk melakukan pengembangan usaha dengan adanya berba...

To forestall the overstock or understock, inventory policy often considers thoroughly the optimal order quantity and order time. It is considerably getting more complex in the case of agroindustry as its commodity mostly is classified as perishable goods. The increase of order at a particular season sometimes is not counterbalanced with the number...

Waste has been always considered a notable issue in urban dwelling. The number of wastes produced by urban citizens grows ever larger including in the big cities in Indonesia. Surabaya can produce a big amount of waste around 9.896 metric cubic each day by which it is higher compare to Jakarta. Owing to the people’s habit of waste treatment, yet th...

The logistics business is expected to soar significantly, for which will reach 30 percent by 2020, driven by the growth of transaction of e-commerce. This growth, indeed, requires an apparent concern from the transporter logistics to continuously enhance their performance. On the other hand, the performance of logistics transporters will provide a...

Energy consumption has been increasing affected by many factors such as population growth, energy price, etc. This paper utilizes data analysis to examine energy consumption data and its correlation the GDP growth, particularly in case of Indonesia. The data observed in this study comprises a record from 1961-2018. An exploratory data analysis was...

Workplace is one of the important aspects related to the productivity of workers. The arrangement and appearance of workplace layouts, especially in industrial applications, greatly affect the perspective and cognitive of workers, and even the production cycle time. Therefore, to reduce production operating costs and the workplace design repair cos...

Perusahaan manufaktur yang memproduksi berdasarkan kustomisasi permintaan pelanggan biasa menerapkan sistem Make-To-Order. Masalah klasik yang sering dihadapai dari sistem tersebut adalah ketidaktepatan jadwal penerimaan pesanan dan tingkat kustomisasi yang berbeda-beda. Hal tersebut menyebabkan penjadwalan produksi yang tidak tepat atau tidak opti...

In accordance with Hottelling's Law, strategic location is a significant factor to ensure the success of a business, thus two businesses which sell the same product tend to choose a closed location. The real practice of this concept is seen in the competition of two big retailers which often open their shop nearby. However, in such competition, the...

Data produced by a transportation system is inevitably growing ever larger. Thus, exploiting the data for analytic purpose is required to comprehend the salient pattern and to improve transportation system itself. This paper presents a solution towards finding frequent routes from taxi trip with certain time windows. MapReduce approach is used to t...

A large event log replay method and system are provided. The large event log replay method includes counting event logs generated in a process before a next process performed subsequent to the process and maintaining a log file that records the event logs in a storage system, verifying a log file corresponding to a process included in an access com...

Port evaluation is essential for obtainment of performance and efficiency assessments that can be used as references for refinements. In most cases, however, the evaluation process is performed only for high-level operations, as for low-level operations is considerably complicated. This paper presents a novel approach based on process mining for ev...

Port evaluation is essential for obtainment of performance and efficiency assessments that can be used as references for refinements. In most cases, however, the evaluation is performed only for high-level operations. Evaluating port operations for low-level operations is considerably complicated, as there are many interrelated activities, and each...

This paper presents a data analytics tool, BAB (Best Analytics of Big Data), that combines Hadoop Map-Reduce algorithms with cloud computing and process mining to accommodate the data explosion in business fields. Both academics and professionals can benefit from our tool by applying and extending it within their respective research areas. In fact,...

As part of port logistics system, a container handling process is a complex system consisting of several activities including loading, discharging, shuffling and others. Evaluating these processes is considerably complicated as some processes lie in cycle and each process might be carried out by various equipment. This paper presents a container ha...

Supply chain network SCN is an important part for decision making in supply chain management SCM. Because with the optimal SCN design will optimize the process of SCM. The problem in designing SCN usually have different two goals i.e minimize the total cost or maximize the supply chain reliability of constomer demand. The problem will become increa...