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Journal : International Journal of Multi Discipline Science (IJ-MDS)

Early Warning System Technology Innovation Study in Flood Disaster Mitigation in Aren Village Area Bontang Disability Nikita Adriyani; Rio Jumardi; Al Rosyid Anggi Satrya; Zaini Zaini
International Journal of Multi Discipline Science Vol 2, No 2 (2019): Volume 2 Number 2 August 2019
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/ij-mds.v2i2.1325

Abstract

AWLR with the application of I Am Aren is been CSR program of PT Pupuk Kaltim that was developed as a flood disaster mitigation in order to be able to minimize the loss of society cause of flooding. Obtaining data used black-box testing techniques, surveys, and interviews which are then analyzed inductively. Respondents involved as many as 40 people for the survey and 20 people for the interview. The research approach used qualitative research. The results showed that the black-box testing for the recording feature was following the procedure and could provide accurate information. Respondents did not undergo problems in the using and the results of the implementation of the tool were able to reduce losses to 74.4% from the previous loss.
Description of Students Thinking on Warshall-Floyd Algorithm Zaini Zaini
International Journal of Multi Discipline Science Vol 2, No 2 (2019): Volume 2 Number 2 August 2019
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/ij-mds.v2i2.1362

Abstract

The shortest path continues to be a trend until now that is always discussed and developed. This study focuses on the construction process and description of the students' understanding in deciding the shortest route based on the matrix iteration according to the Floyd-Warshall algorithm. The research approach used is descriptive qualitative research and the data collection technique is a test technique. The research data included problem-solving by four students with different abilities and the result data were analyzed inductively. The results showed that the matrix iteration with the formula for determining the entry of the iteration matrix xn = minimum(dijk-1, dikk-1 + dkjk-1) was followed without any constraints by all students until the 7th iteration. It was found that the inaccuracy of taking entries in the 1st iteration by students with low ability caused calculation errors and failure in finding the shortest route.