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Penelitian ini membahas tentang daerah rawan titik api di Provinsi Riau. Kebakaran hutan menjadi ancaman pada hutan di Indonesia. Mengingat faktor timbulnya dan dampak yang akan ditimbulkan dari kebakaran hutan, maka sangat penting untuk mengetahui daerah yang rawan terhadap titik api. Konsep data mining sangat cocok diterapkan untuk mengetahui status daerah rawan titik api. Dalam penelitian ini dilakukan pengelompokkan data dengan menggunakan Chebysev Distance K-Means. Data yang digunakan adalah data titik api di Provinsi Riau pada tahun 2016. Data dikelompokkan menjadi tiga cluster, yaitu 133 titik yang masuk kedalam cluster daerah sangat rawan titik api, 101 titik kedalam cluster daerah rawan titik api, dan 77 titik kedalam cluster daerah yang tidak rawan terhadap titik api, dengan nilai DBI (Davies Bouldin Index) 0,361 menandakan bahwa pengklasteran Chebysev K-Means sebanyak 3 cluster sudah optimal. Hasil clustering divisualisasikan dengan Google Maps Api. Kata Kunci − clustering, hotspot, k-means.

The Use Case Diagram (UCD) is a visual form of system design that helps software developers comprehend the system behavior. Maintaining and updating the system can be a difficult task when it has no visualization of a system behavior or software requirement specification document. Reverse engineering is an approach used to extract software requirement specifications from the existing systems. Research in reverse engineering has shown various techniques in which the processes are not fully understood. This study analyzes the University Community Services Information System (UCSIS) as the existing system in three processes: identifying the system domain process, elaborating system features by implementing the event table, and constructing the use case realization. The results showed that a UCD could be generated through the reverse engineering process on the existing system. Furthermore, a new feature for system improvement can also be detected using this method. It is expected that the reverse engineering approach in this study can be used as guidance for the software development team in extracting the use case diagram from the existing systems.

Quality test is a crucial phase in the system development process to ensure that system work as its requirement. Therefore, the Portal Kukerta (Kuliah Kerja Nyata) Universitas Riau, an information system to manage data and activities of Kukerta, needs to assess. In this research, Portal Kukerta has been assessed using the McCalls software quality framework. The aspect that is focused on this research is product operation. Product operation consists of correctness, usability, integrity, reliability, and efficiency. The data collected by distributing questionnaires to 67 participants. The results show that users give a positive response to two aspects, namely  efficiency 99.90% and usability 64%. However, for the reliability factor 43%, correctness 48%, integrity 56% get a neutral value that there are aspects that are considered less by the user. Based on these results, it can be concluded that the Kukerta portal is very efficient in managing the data of Kukerta University of Riau and can be easily used by users. However, in terms of reliability, correction, and integrity need to be improved. The implication of the research are (1) providing a reference in assessing quality of a software and (2) specifically providing a recommendation for Portal Kukerta Universitas Riau for their system improvements.

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