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INDONESIA
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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Pengembangan Algoritma Fast Inversion dalam Membentuk Inverted File untuk Text Retrieval dengan Data Skala Besar Suhartono, Derwin
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.v3i1.2461

Abstract

The rapid development of information systems generates new needs for indexing and retrieval of various kinds of media. The need for documents in the form of multimedia is increasing currently. Thus, the need to store or retrieve now becomes a primary problem. The multimedia type commonly used is text types, as widely seen as the main option in the search engines like Yahoo, Google or others. Essentially, search does not just want to get results, but also a more efficient process. For the purposes of indexing and retrieval, inverted file is used to provide faster results. However, there will be a problem if the making of an inverted file is related to a large amount of data. This study describes an algorithm called Fast Inversion as the development of base inverted file making method to address the needs related to the amount of data.
Aplikasi Piranti Lunak Penganalisis Sintaksis Kalimat Bahasa Indonesia Yusuf, Sablin
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 1 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i1.2716

Abstract

Indonesian has a vast variety in structures and sentence types that brings about difficulty in using the language correctly and accurately. This research aims for producing a software application for syntax analysis and error checking for Indonesian sentences. The method used in developing the application is rapid prototyping method which consists of several phases: system requirement analysis, design, coding, implementation and evaluation while the method used in syntax analysis process is regular expression and predictive parsing method. Despite some existing limitations, the application produced is able to check the syntax error of various Indonesian sentence types. 
Data Mining Untuk Menganalisis Gagal Serah Dana Pada Transaksi Jual Beli Saham Miranda, Eka; Yonathan, Hans; Lokanatha, Ivander G.; Suryawan, Josep Benedictus
ComTech: Computer, Mathematics and Engineering Applications Vol 5, No 1 (2014): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v5i1.2601

Abstract

Competitive environment among investment firms encourage them to be able to conduct analysis related to investments activities with the potential failure of transfers’ funds. The purpose of this writing is to analyze the needs of the information required in the process of analysis the potential failure of funds transferring in a process of buying and selling stocks and using data mining techniques (Clustering) to support analysis process of the failure of fund transfrerring in a process of buying and selling stocks . Data collection methods used in this study consists of: Literature study, interviews and observations. While the implementation phase of data mining techniques consist of: Data Cleaning, Data Integration, Data Selection, Data Transformation, Data Mining, Pattern Evaluation and Knowledge Presentation. Data mining technique is used to analyze the data in order to know which transactions can lead to failed transfers funds and group them based on Receiving Failure. The clustering result will produce knowledge that is useful in the decision making especially to the top management level. The conclusions of this writing is using data mining techniques that have been designed in this writing, help the management take decisions with more precise so as to avoid losses for company.
Porcelain Product Quality Analysis in PT XYZ Chie, Ho Hwi; Nasution, Januar; Ayu, Ketut Gita; Septivani, Nike; Renaldi, Yualfin
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 4 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i4.2195

Abstract

PT. XYZ is a company engaged in manufacturing porcelain dinner ware such as plates, cups, teapot, bowl, etc Porcelain product is safe for use and product defect will only affect the aesthetic not the functional side. The company always maintain the quality of the products produced as by maintaining a good product, in terms of visuals, will keep customers interested in the product. Good quality products characterized by quality A / B and C, and the product defect characterized by the quality of D, Lost, and BU. Concepts and methods used to analyze is a statistical process control (SPC) which includes Pareto diagram, fraction nonconformities, flow charts and fishbone diagrams and management tools (fault tree analysis). Statistical Process Control (SPC) is one of the methods, which includes Pareto charts, fraction nonconformities, flow chart, and fishbone diagram and also management tools (fault tree analysis). SPC is useful to find the facts from the problems and factors that affect the quality of the products, while fault tree analysis is useful to analyze each of the production process.
Studi Parkir Kampus Anggrek Kondisi Eksisting dan Penambahan Lahan Parkir Baru Terhadap Pengguna Kampus Anggrek Binus University Hidayat, Irpan; Makmur, Amelia; Juliastuti, Godeliva
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 2 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i2.2854

Abstract

A parking area is built in a building to facilitate vehicle users of the building. Based on this, Binus University planned to build parking area in its several campus. One interesting issue to explore is the parking capacity at Anggrek Campus. The purpose of this study was to determine the saturation levels of parking for the existing condition compared to the addition of new parking area. To perform analysis turnover parking calculation is used . Based on research results the number of cars entering Anggrek campus was greater than the volume of available parking at the campus (turnover = 1.58), so there was a lot of trouble to find a parking space that makes parking users find alternative parking spaces such as parking area 52). However, since the 8th floor parking area functioned, the turnover rate reduced to 0.54 which indicates that there was a saturation level decrease of 65%. 
Tinjauan Sistem Desain Pemanfaatan Air Hujan pada Rumah Tinggal di Bintaro, Jakarta Katili, Renhata
ComTech: Computer, Mathematics and Engineering Applications Vol 3, No 2 (2012): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v3i2.2330

Abstract

Rainwater harvesting and collecting for household domestic needs is someting commonly found. Even in some countries in Africa and Asia,it has been known for a long time. Currently, the technology varies from the simple one like using a barrel up to the purification technology. Unfortunately the rainwater harvesting system commonly found now is rarely integrated as a planned building element. Indeed, the integration will bring good impact on both design and function. This article analyzes a two-story residential building that uses Rainwater harvesting and collecting system which is located in Bintaro, Jakarta, as one example of a planned architecture that uses the system.
Model Telediagnosis Serangan Jantung untuk Para Praktisi Kesehatan Menggunakan Mobile Phone Legowo, Nilo; Suryaputra, Renan Prasta J. Devin; Winarya, Candy
ComTech: Computer, Mathematics and Engineering Applications Vol 4, No 2 (2013): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v4i2.2506

Abstract

The lack of medical experts such as doctors at rural areas resulted in some problems such as the high cost of medical care and low service of doctors and medical resource provider. The conditions results in an idea to implement a communication system between rural medical practitioners and doctors in urban areas to perform remote diagnosis on patients (telediagnosis). The research involves several parties such as doctors, health centers, health practitioners (paramedics), patients, and hospitals and health institutions. The telediagnosis system development consists of the construction of a software application prototype as media input for patient data which will be sent to doctors at town, database systems design, integration of basic multimedia devices, medical diagnostic device integration, and application testing of telediagnosis performance using an android-based mobile application. Data integration patterns include patient data delivery patterns, checking a patient's diagnosis, saving and continuing to the physician or health care practitioner with real-timesystem. This study is conducted according to standard research stages: problem collection, problem analysis, research materials collection, research design, and research implementation. Telediagnosis system is used to facilitate remote diagnosis of patients at rural areas which is able to serve patients more quickly, and helps find out nearest location for patients to get medicines as well as recommendation of nearest hospital. This system helps decrease the workload of hospitals.
Using Data Communication to Give Ease in Hotel Room Services Tjiptadi, Rudi
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 1 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i1.2751

Abstract

Gaining extra comfort in a trip is an important factor. Staying in a hotel needs food, laundry, and other activities that can make guests comfortable. The guesses’ requests are usually ordered to the Room Service. Sometimes problems occur in serving the guests’ requests due to human error, such as overdue orders, misunderstandings, etc. Computers are used to prevent those problems by typing requests directly from a computer in the room. The method is done by collecting data from the direct interview at a hotel related to guests’ requests, analyzing the current system, doing literature study, creating a Room Service system draft, as well as implementing the new system in a form of prototype. A Room Service system prototype is created with the abilities to order food, drinks, laundry and ironing. This prototype designed meets the guests’ satisfaction towards the hotel room services. 
Analisis dan Perancangan Aplikasi Inventori Berbasiskan Rfid Pada PT. ABC Herwin, Herwin; Saputra, Richard
ComTech: Computer, Mathematics and Engineering Applications Vol 1, No 2 (2010): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v1i2.2633

Abstract

The purpose of this research is to reduce the damaged material, applying the concept of FIFO for retrieval of row materials, and accelerate the search and also to simplify the detection of raw materials. Software development method used involves three main parts namely the method of analysis, design and literature. Analysis methods including survey of the running system, an analysis of survey findings, identify information needs, identify system requirenments. The design method approach to Unified Modelling Language (UML). The results is an inventory application that uses Radio Frequency Identification (RFID) tags as a replacement label where RFID tags can store data. Conslusions from this research is minimizing the company’s financial losses due to storage of raw materials and minimizing time to search raw materials using RFID that also can provide actual and accurate information for the company. 
Model Application of Accounting Information Systems of Spare Parts Sales and Purchase on Car Service Company Christian, Lianawati
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.v6i3.2227

Abstract

The purpose of this research is to analyze accounting information systems of sales and purchases of spare parts in general car service companies and to identify the problems encountered and the needs of necessary information. This research used literature study to collect data, field study with observation, and design using UML (Unified Modeling Language) with activity diagrams, class diagrams, use case diagrams, database design, form design, display design, draft reports. The result achieved is an application model of accounting information systems of sales and purchases of spare parts in general car service companies. As a conclusion, the accounting information systems of sales and purchases provides ease for management to obtain information quickly and easily as well as the presentation of reports quickly and accurately.

Page 32 of 159 | Total Record : 1585

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