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Sano, Albert V. Dian
Bina Nusantara University
Computer Science & IT Engineering Mathematics

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Sistem Pakar Berbasis Web untuk Pengenalan Dini terhadap Karakter Investasi Individu Sano, Albert V. Dian
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 1 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i1.2414

Abstract

The objective of this research is to develop a web-based expert system for early detection towards characters of investment of people who will invest immediately on their productive ages. The development of this application is encompassing four primary activities in developing an expert system, namely: knowledgeacquisition, knowledge representation, knowledge inferencing, and knowledge transfering. Knowledge acquisition is a process of acquisition or transfering knowledge or expertise of an expert through a knowledge engineer. Knowledge representation is a process of transfering knowledge into a computer based system. Knowledge inferencing is a reasoning process performed by an expert system to draw a conclusion or a final result. The reasoning process applies a forward-chaining method. Knowledge transfering is a process of transfering knowledge from an expert system to a user (non-expert one) through a user interface of the expert system. This expert system has been tested to about 300 users. This simple system generally runs quite well although there are still some weakness to refine in the further research.
The Application Of K-Means Algorithm For LQ45 Index on Indonesia Stock Exchange Condrobimo, A. Raharto; Sano, Albert V. Dian; Nindito, Hendro
ComTech: Computer, Mathematics and Engineering Applications Vol 7, No 2 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i2.2256

Abstract

The objective of this study is to apply cluster analysis or also known as clustering on stocks data listed in LQ45 index at Indonesia Stock Exchange. The problem is that traders need a tool to speed up decision-making process in buying, selling and holding their stocks.The method used in this cluster analysis is k-means algorithm. The data used in this study were taken from Indonesia Stock Exchange. Cluster analysis in this study took data’s characteristics such as stocks volume and value. Results of cluster analysis were presented in the form of grouping of clusters’ members visually. Therefore, this cluster analysis in this study could be used to identify more quickly and efficiently about the members of each cluster of LQ45 index. The results of such identification can be used by beginner-level investors who have started interest in stock investment to help make decision on stocks trading.
Simulasi Penghitungan Online Kredit Pemilikan Rumah Bank Xyz Berbasis Web di Portal Finansial www.kontan.co.id Sano, Albert V. Dian
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 1 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i1.2702

Abstract

The objective of this study is to develop an online application of mortgage loan simulation. This application is developed based on a web application in order to be accessible anywhere and anytime. This application is expected to help prospective property’s consumers calculate their financial plans related to decisions concerning the amount of down payment, loan term, and the mortgage system model to be selected. There are two models of mortgage in this application. The first is a fixed and cap rate of interest, with the first three years of the mortgage interest rate of 9.75%, the fourth and fifth year interest of 10%, and the sixth year onwards using a rate cap interest with the indication of 12%. The second model is a 2-year fixed rate mortgage with the first two years rate of 8.5% and the third year onwards using adjustable rate mortgage of interest with the indication of 12%. Calculation formula and the interest rates in this application are obtained from Bank XYZ which is in turn applied in collaboration with financial portal www.kontan.co.id. This application has been tested by over 1000 users and the results are well proven and valid.
Co-Authors Condrobimo, A. Raharto Nindito, Hendro