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ComTech: Computer, Mathematics and Engineering Applications
Published by Universitas Bina Nusantara
ISSN : 20871244     EISSN : 2476907X     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Engineering Mathematics
The journal invites professionals in the world of education, research, and entrepreneurship to participate in disseminating ideas, concepts, new theories, or science development in the field of Information Systems, Architecture, Civil Engineering, Computer Engineering, Industrial Engineering, Food Technology, Computer Science, Mathematics, and Statistics through this scientific journal.
Arjuna Subject : -
Articles 1,585 Documents
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Modelling of Data Warehouse on Food Distribution Center and Reserves in the Ministry of Agriculture Edi Purnomo Putra; Fifilia Fifilia; Lay Christian; Hantze Sudarma
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2251

Abstract

The purpose of this study is to perform database’s planning that supports Prototype Modeling Data Warehouse in the Ministry of Agriculture, especially in the Distribution Center and Reserves in the field of distribution, reserve and price. With the prototype of Data Warehouse, the process of data analysis anddecision-making process by the top management will be easier and more accurate. Research’s method used was data collection and design method. Data warehouse’s design method was done by using Kimball’s nine stepsmethodology. Database design was done by using the ERD (Entity Relationship Diagram) and activity diagram. The data used for the analysis was obtained from an interview with the head of Distribution, Reserve and Food Price. The results obtained through the analysis incorporated into the Data Warehouse Prototype have been designed to support decision-making. To conclude, Prototype Data Warehouse facilitates the analysis of data, the searching of history data and decision-making by the top management.
Analysis And Voice Recognition In Indonesian Language Using MFCC And SVM Method Harvianto Harvianto; Livia Ashianti; Jupiter Jupiter; Suhandi Junaedi
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.v7i2.2252

Abstract

Voice recognition technology is one of biometric technology. Sound is a unique part of the human being which made an individual can be easily distinguished one from another. Voice can also provide information such as gender, emotion, and identity of the speaker. This research will record human voices that pronounce digits between 0 and 9 with and without noise. Features of this sound recording will be extracted using Mel Frequency Cepstral Coefficient (MFCC). Mean, standard deviation, max, min, and the combination of them will be used to construct the feature vectors. This feature vectors then will be classified using Support Vector Machine (SVM). There will be two classification models. The first one is based on the speaker and the other one based on the digits pronounced. The classification model then will be validated by performing 10-fold cross-validation.The best average accuracy from two classification model is 91.83%. This result achieved using Mean + Standard deviation + Min + Max as features.
IT/IS Roles as the Business Enabler on PT. Voltras Travel Trisna Febriana; Ardhianiswari Diah Ekawati; Yunita Kartika Sari
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2253

Abstract

Technology is very important in facilitating the success of the company to win competition. Organizations strive to select and utilize the various technologies in order to support the achievement of their visions and missions. Development of technology covers all aspect from the hardware, software, data communication of technologies and application. The purpose of this research is to study the development of technologies or trend regarding the usage of the said technology in society. The research method of this research was conducted through direct observation, literature review, evaluation and verification of the resultbefore it was standardized into a usage model of technology. The development of business strategy in this research used SWOT analysis. The study’s result stated that there are five technology trends which are used in today’s society.
Application of K-Means Algorithm for Cluster Analysis on Poverty of Provinces in Indonesia Albert V. Dian Sano; Hendro Nindito
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.v7i2.2254

Abstract

The objective of this study was to apply cluster analysis or also known as clustering on poverty data of provinces all over Indonesia.The problem was that the decision makers such as central government, local government and non-government organizations, which involved in poverty problems, needed a tool to support decision-making process related to social welfare problems. The method used in the cluster analysis was kmeans algorithm. The data used in this study were drawn from Badan Pusat Statistik (BPS) or Central Bureau of Statistics on 2014.Cluster analysis in this study took characteristics of data such as absolute poverty of each province, relative number or percentage of poverty of each province, and the level of depth index poverty of each province in Indonesia. Results of cluster analysis in this study are presented in the form of grouping ofclusters' members visually. Cluster analysis in the study can be used to identify more quickly and efficiently on poverty chart of all provinces all over Indonesia. The results of such identification can be used by policy makers who have interests of eradicating the problems associated with poverty and welfare distribution in Indonesia, ranging from government organizations, non-governmental organizations, and also private organizations.
IT Balanced Scorecard Implementation to Measure Information Technology Performance on Information Technology Division of PT. Samudera Indonesia Tbk. Mastuki Mastuki
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2255

Abstract

The goals of this thesis were to measure the performance of information technology in the IT Division of PT. Samudera Indonesia Tbk. using IT Balanced Scorecard (IT BSC), in which from each of its perspective was breakdown into related variables used as a model of optimal measurement. The problems that will be discussed in this research consisted of finding the factors required to measure the performance of information technology in the company; determining the indicators in measuring the IT performance; understanding in how to create the optimal measurement model of IT performance and evaluating how the measurement model affected the IT performance. The compiled data through questionnaires will be analyzed using factor analysismethod through five steps: problem formulation, correlation matrix, determining the number of factors, factor rotation, and factor interpretation. The result of the research showed that there were four factors affected the ITperformance in PT. Samudera Indonesia Tbk. which consist of IT Competency, IT Services Ability, Business Continuity and IT Improvement. Thus, it can be concluded that those factors affected the IT performance and to obtain a good quality of IT performance, each indicator of the factors should be done to the fullest.
The Application Of K-Means Algorithm For LQ45 Index on Indonesia Stock Exchange A. Raharto Condrobimo; Albert V. Dian Sano; Hendro Nindito
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.
Classic-Simulation Android Based Game of Fly and Learn in Elementary School Level Diana Diana; Dion Darmawan
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2258

Abstract

The purpose of this research is to design classic simulation game application of Fly and Learn which is a mobile gaming application based on android smartphone that aims to provide children in elementary school level to learn with ease through a game. Fly and Learn is a classic simulation game which has a specific purpose to introduce the game of the plane where the children play as a pilot by a plane ride and also to train them in answering questions quickly and accurately on the way. The method used in this research is the waterfall model. The results achieved in the form of an application that can make a learning media for elementary school level students through the medium of game based on android. The conclusion of this research is that the created application successfully attracts students’ interest thus helping their learning process.
Application Design of Human Resource Information System on Binus Student Learning Community of Bina Nusantara University Eileen Heriyanni; Aswin Wibisurya; Timothy Yudi Adinugroho
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 3 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i3.2259

Abstract

Information exchange between human resources within an organization is a valuable asset that must be managed properly. Information technology now supports information management between human resources through Human Resource Information System (HRIS). Binus Student Learning Community (BSLC) implementsdifferent technologies for each work they performed so that affect the quality of information exchange and performance of their members. This study aims to streamline the used technology in BSLC by combining it all into the same system through the implementation of HRIS constructed by Extreme Programming (XP) method. Results of this research is the web-based HRIS BSLC application and expected to improve the quality of information exchange and optimize the performance of BSLC’s members.
Perancangan Aplikasi Customer Relationship Management untuk Meningkatkan Pelayanan pada Rumah Sakit St. Carolus Joni Suhartono; Ardyan Valentino Cahyadi; David Yunus
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2261

Abstract

Research aims to create a draft of application based on customer relationship management (CRM) toimprove services on St carolus hospital in terms of criticism-suggestions, to create scheduling events and patient schedule for second time which is still less control. Research used survey, interview the parties concerned, aswell as analyzing the systems running on St Carolus hospital. Results of the research are application design that helps to improve the quality of the hospital service to the patient, application design that helps management in holding the event, and managing the input given by the visitor at ease. In conclusion, the application designhelps manage criticism and suggestions, make events, and intertwine relations with patients after medication or treatment.
Pengembangan Model Sistem Informasi Aplikasi Helpdesk Online PT. Mustika Memadata Cadelina Cassandra
ComTech: Computer, Mathematics and Engineering Applications Vol. 6 No. 2 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i2.2262

Abstract

The advanced technology and the support of global internet makes it possible to create a system that can support the company or institution effectiveness in providing satisfaction for customers and to fulfill the customer’s needs and requirements. Due to the most important task for the company is to provide a good quality service for the customer, online helpdesk support system also develop quickly nowadays for the reason above. PT. Mustika Memadata is one of the private service company located in Jakarta that has the increase ofcustomer and the limit of human resource. This situation makes the company difficult in monitoring complaints from customer. This paper described the model of proposed helpdesk system to solve the problem. The methodology used in this paper are data collection through study literature review, interview session, directobservation, as well as analysis and design method using OOAD (Object Oriented Analysis and Design) approach using UML diagram such as activity diagram, use case diagram and domain model class diagram. The result is the model design of helpdesk online system that can be used for the company in solving customers’complaint.

Page 89 of 159 | Total Record : 1585

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