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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 8 Documents
 1 
Search results for , issue "Vol. 7 No. 1 (2016): ComTech" : 8 Documents clear
Implementation of Lean Warehouse to Minimize Wastes in Finished Goods Warehouse of PT Charoen Pokphand Indonesia Semarang Nia Budi Puspitasari; Audy Yumna Ardila
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2185

Abstract

PT. Charoen Pokphand Indonesia Semarang is one of the largest poultry feed companies in Indonesia. To store the finished products that are ready to be distributed, it needs a finished goods warehouse. To minimize the wastes that occur in the process of warehousing the finished goods, the implementation of lean warehouse is required. The core process of finished goods warehouse is the process of putting bag that has been through the process of pallets packing, and then transporting the pallets contained bags of feed at finished goods warehouses and the process of unloading food from the finished goods warehouse to the distribution truck. With the implementation of the lean warehouse, we can know whether the activities are value added or not, to be identified later which type of waste happened. Opinions of stakeholders regarding the waste that must be eliminated first need to be determined by questionnaires. Based on the results of the questionnaires, three top wastes are selected to be identified the cause by using fishbone diagram. They can be repaired by using the implementation of 5S, namely Seiri, Seiton, Seiso, Seiketsu, and Shitsuke. Defect waste can be minimized by selecting pallet, putting sack correctly, forklift line clearance, applying working procedures, and creating cleaning schedule. Next, overprocessing waste is minimized by removing unnecessary items, putting based on the date of manufacture, and manufacture of feed plan. Inventory waste is minimized by removing junks, putting feed based on the expired date, and cleaning the barn
Mobile Loyalty Application Development Based on Android Angela Irina; Megawati Megawati; Abednego Abednego; Natalia Chandra; Irma Kartika Wairooy; Alvina Aulia
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2193

Abstract

The research objective is to develop an application that allows users to participate in a loyalty program and facilitate Smartphone enterprise (Merchant) in access, sale and observation of customer transactions through mobile applications. Design method used is object-based design that includes a UML of use case diagrams, use case narrative, class diagram, sequence diagrams and activity diagrams. Results achieved in the form of mobile applications that are able to facilitate customer in managing loyalty cards as well as to increase customer loyalty. This application features, such as add points, redeem, news, transaction history, and message that can facilitate customer in managing customer loyalty card. The conclusion of this design is that the application of E Points can enable customers to manage a loyalty card in Smartphone, add points, redeem rewards, obtain the latest promotional information through news features, and view transaction history.
Production of Fish Hydrolysates Protein From Waste of Fish Carp (Cyprinus Carpio) by Enzymatic Hydrolysis Dede Saputra; Tati Nurhayati
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2201

Abstract

Fish Protein Hydrolysates (FPH) is the mixed products of polypeptide, dipeptides, and amino acid. It can be produced from materials that contained of protein by acid reaction, base reaction or enzymatic hydrolysis. The objectives of this study were to study the production of FPH from fish carp meat at post rigor phase and viscera by enzymatic hydrolysis, to determine the specific activity of papain enzyme, and to determine the solubility of FPH. Capacity of fish hydrolyzing can be identified by analyzing the content of dissolved total nitrogen (NTT) compared with nitrogen total ingredient (NTB) in order to get the value of total soluble nitrogen/total nitrogen material (NTT/NTB). The hydrolysis processes were carried out in 0,26% (w/v) papain, 60 οC for 3 hours. The result showed that the specific activity of papain enzyme was about 3.28 U/mg. Solubility of FPH by comparing NTT/NTB was about 0.29% (fish meat) and 0.40% (fish viscera). Proximate test of protein content of fish meat was 18.34 ± 0.04 (g/100 g); while viscera was about 0.95±0.04 (g/100 g). The result indicated that product waste of fish carp had potential as a major of source of FPH.
Usage Of Asp.Net Ajax for Binus School Serpong Web Applications Karto Iskandar; Andrew Thejo Putranto
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2212

Abstract

Today web applications have become a necessity and many companies use them as a communication tool to keep in touch with their customers. The usage of Web Application in current time increases as the numberof internet users has been rised. For reason of Rich Internet Application, the desktop application developer wasmoved to web application developer with AJAX technology. BINUS School Serpong is a Cambridge Curriculum base International School that uses web application for access every information about the school. By usingAJAX, performance of web application should be improved and the bandwidth usage is decreased. Problems thatoccur at BINUS School Serpong is not all part of the web application that uses AJAX. This paper introducesusage of AJAX in ASP.NET with C# programming language in web application BINUS School Serpong. It is expected by using ASP.NET AJAX, BINUS School Serpong website performance will be faster because of reducing web page reload. The methodology used in this paper is literature study. Results from this study are to prove that the ASP.NET AJAX can be used easily and improve BINUS School Serpong website performance. Conclusion of this paper is the implementation of ASP.NET AJAX improves performance of web application in BINUS School Serpong.
Impelementation of Information Technology Service Management at Data And Information System Center of XYZ University Kornelius Irfandhi; Ariani Indrawati; Dwykie Alexandra; Krisantus Wanandi; Yanuari Harisky; Suryadiputra Liawatimena
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2220

Abstract

Information Technology (IT) is increasingly progressing. Nowadays, the success of a business of the organization/company is highly dependent on the IT infrastructure used. Therefore, organizations/companies have to manage their IT service to be optimal to their customers. Looking at this matter and the increasing dynamics of XYZ University, then Data and Information System Center (Pusdatin) - an IT provider of XYZ University began implementing IT Service Management (ITSM) from 2013 using the latest version of Information Technology Infrastructure Library (ITIL), namely ITIL v3 as a framework for implementing ITSM in its business processes. However, along the way, there are still some problems happen in Pusdatin in order that ITSM can actually support and align with the objectives of XYZ University. Through this paper, the authors want to explain how the implementation of ITSM at Pusdatin, identify the problems related to the implementation of ITSM, and provide the solutions for each problem. The methods used are direct observation to Pusdatin, conductan interview with the Head of Pusdatin and Staff of Pusdatin, and also perform a literature review of books and papers that discuss about ITIL. The result of this research is that ITSM process of Pusdatin generally works quite well but there are still some shortcomings because ITSM is not 100% implemented in all areas.
Using K-Nearest Neighbor in Optical Character Recognition Veronica Ong; Derwin Suhartono
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2223

Abstract

The growth in computer vision technology has aided society with various kinds of tasks. One of these tasks is the ability of recognizing text contained in an image, or usually referred to as Optical Character Recognition (OCR). There are many kinds of algorithms that can be implemented into an OCR. The K-Nearest Neighbor is one such algorithm. This research aims to find out the process behind the OCR mechanism by using K-Nearest Neighbor algorithm; one of the most influential machine learning algorithms. It also aims to find out how precise the algorithm is in an OCR program. To do that, a simple OCR program to classify alphabets of capital letters is made to produce and compare real results. The result of this research yielded a maximum of 76.9% accuracy with 200 training samples per alphabet. A set of reasons are also given as to why the program is able to reach said level of accuracy.
Analysis And Database Design from Import And Export Reporting in Company in Indonesia Novan Zulkarnain
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2228

Abstract

Director General of Customs and Excise (DJBC) is a government agency that oversees exports and imports in Indonesia. Companies that receive exemption and tax returns are required to wipe Orkan  activities export and import by using IT-based reporting. This study aimed to analyze and design  databases to support the reporting of customs based report format for Director General of Customs and Excise No. PER-09/BC/2014. Data collection used was the Fact Finding Techniques consisted of studying the documents, interviews, observation, and literature study. The methods used for Design Database System is DB-SDLC (System Development Life Cycle Database), namely: Conceptual Design, Design Logical and Physical Design. The result obtained is ERD (Entity Relationship Diagram) that can be used in the development of Customs Reporting System in companies throughout Indonesia. In conclusions, ERD has been able to meet all the reporting elements of customs.
Proposition Analysis of Fixed Broadband Services Based on Product Segmentation And Purchasing Power of Urban Society Triyono Budi Santoso
ComTech: Computer, Mathematics and Engineering Applications Vol. 7 No. 1 (2016): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v7i1.2230

Abstract

Tight competition in the broadband industry has forced the provider to have a good product propotition and strategy in the market, including market segmentation and type of services delivered based on customer’s expextation and intention to buy. This research aims to make a product proposition based on two major criteries in fixed broadband service, which are speed and price of the product, by looking into the competition in existing market (competitor’s product). As many players in Indonesia have created very tight situation, the will be launched product should have an attractive matter or differentiation in order to compete and get a “buy in” of the customer. In the research, some analysis was conducted across all the propositions by spreading questionnaires to respondents in urban area especially in Jakarta and Bandung, thus the provider can create product with an appropriate specifications to answer the needs of customers on their affordable price to buy. Some close-ended questions in the questionairres were scaled and performed by basic statistical approach methods. The result shows that product with affordable price is still become the choice of respondents in each segment (low, medium and high income). Price list per speed which is fitted to any segments is also suggested in this research. The result of the research can also be used to develop the product as a differentiation to be the choices and preferencesof customers.

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