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Lontar Komputer: Jurnal Ilmiah Teknologi Informasi
Published by Universitas Udayana
ISSN : 20881541     EISSN : 25415832     DOI : 10.24843/LKJITI
Core Subject : Science,
Computer Science & IT
Lontar Komputer [ISSN Print 2088-1541] [ISSN Online 2541-5832] is a journal that focuses on the theory, practice, and methodology of all aspects of technology in the field of computer science and engineering as well as productive and innovative ideas related to new technology and information systems. This journal covers research original of paper that has not been published and has been through the double-blind reviewed journal. Lontar Komputer published three times a year by Research institutions and community service, University of Udayana. Lontar Komputer already indexing in Scientific Journal Impact Factor with impact Value 3.968. Lontar Komputer already indexing in SINTA with score S2 and H-index 5.
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Articles 214 Documents
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SISTEM AKUISISI CITRA STEREO UNTUK MENGUKUR GELOMBANG LAUT TELUK PANTAI NGRENEHAN YOGYAKARTA Nyoman Jelun
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 4, No. 2 Agustus 2013
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.768 KB)

Abstract

Dewasa ini, pengukuran gelombang lautdilakukan dengan alat-alat seperti tide gauge, wavehunter, dan waverider bouy. Disamping harganya yang relatif mahal, kelemahanalat-alat ukur gelombang laut ini adalah mengoperasikannya yang rumit dan kurang aman, karena perangkat utamanya diletakkan dilaut sehingga rentan terbawa arus gelombang atau terseret perahu nelayan.Oleh karena itu, dikembangkan suatu sistem akuisisi citra stereo (SACiS) berbasis fotogrametri terestris yang dapat digunakan untuk mengukur gelombang laut. SACiS memiliki beberapa keuntungan, yakni harganya yang murah relatif terhadap alat-alat ukur gelombang laut yang sudah komersial, perawatannya mudah karena perangkat utama SACiS yakni kamera diletakkan di daratan pantai, dan pengukuran gelombang laut dapat dilakukan secara real time. Uji laboratoriumSACiS menunjukkan akurasi SACiS relatif tinggi karena simpangannya kurang dari 5%relatif terhadap hasil pengukuran dengan probemeter.Selanjutnya, SACiS digunakan untuk mengukur gelombang laut in-situ di telukpantai Ngrenehan Gunung Kidul Yogyakarta. Hasil pengukurannya cukup valid dimana karakter gelombang laut teluk pantai Ngrenehan sangat komplek. Kompleksitas itu menunjukkan bahwa gelombang di teluk adalah campuran gelombang yang datang dari laut lepas dan gelombang pantulan dari tebing di kiri dan di kanan teluk.
Electrical Daily Load Forecasting In Ramadhan Using Type-2 Fuzzy Logic In Sulselrabar System Marhatang Marhatang; Muhammad Ruswandi Djalal; Herman Nawir; Sonong Sonong
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 9, No. 3 December 2018
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (327.211 KB) | DOI: 10.24843/LKJITI.2018.v09.i03.p04

Abstract

This study discusses the daily electricity load forecasting 24 hours on 150 kV electric power systems sulselrabar. Forecasting electrical load requires the accuracy of the results with a small error. Peak load forecasting methods used to use smart methods Interval Type-1 Fuzzy Logic (IT1FL) and Interval Type-2 Fuzzy Logic (IT2FL) to predict the needs of the electrical load 1 Ramadan 2016. As input data, it was used load data from 2012 through 2016 for the same day each 1st of Ramadan each year, and as comparative data, it was used actual load data 1, 2016. For the Ramadan input variable, it was used two of the data Variation Load Difference (VLD Max) 2015 as an input variable X, VLD Max 2016 as an input variable Y. From the simulation results obtained highly accurate results where each method produces a very small error, where for methods of using IT1FL of 1.607778264% while using IT2FL by, 1.344510913%.
RANCANG BANGUN SISTEM INFORMASI KEMITRAAN AYAM BROILER PADA PERUSAHAAN SENTRAL UNGGAS BALI BERBASIS WEB Igst. Md. Arya Sasmita S.T, M.T; I Md. Agus Ana W. M.Ti; I Gst Putu Agus Wawan Adi Putra
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 1, No. 1 Desember 2010
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Perusahaan Sentral Unggas Bali merupakan salah satu perusahaan kemitraan yang bergerak di bidang peternakan ayam boiler. Perusahaan peternakan ayam boiler ini mengalami masalah terutama dibidang peritungan panen, SHU dan monitoring pemeliharaan dikarenakan data yang diminta harus cepat, tepat, dan akurat. Jarak peternak yang berada diseluruh pelosok Bali mengakibatkan pegawai perusahaan harus bekerja ekstra keras demi memenuhi laporan perusahaan yang harus di data serba cepat dan akurat. Untuk menyelesaikan masalah diatas maka didesain dan di implementasikan system baru guna memenuhi kebutuhan perusahaan secara cepat dan akurat. System di desain menggunakan Data Flow Diagram (DFD) dan Entity Relationship Diagram (ERD) dan diimplementasikan dengan menggunakan My SQL dan HTML,PHP dan Java Script. System yang dibuat meliputi proses registasi peternak baru, monitoring perkembangan ayam, pengiriman pakan, bibit, obat, panen, pembelian bibit, obat, pakan perusahaan dan pembuatan laporan stock masing-masing gudang perusahaan. System yang saya buat mudah-mudahan dapat mengatasi permasalahan-permasalahan yang di hadapi diatas, sehingga memudahkan bagi pihak perusahaan dalam implementasinya.
Perancangan Sistem Informasi Lembaga Keuangan Mikro Agrobisnis (LKMA) Prima Agung Kanagarian Sungai Duo Kecamatan Sitiung Kabupaten Dharmasraya Ilfa stephane; Heru Saputra
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 1 April 2017
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (315.473 KB) | DOI: 10.24843/LKJITI.2017.v08.i01.p06

Abstract

Microfinance Institutions Agribusiness (LKMA) Prima Agung Kenagarian Sungai Duo Kecamatan Sitiung Kabupaten Dharmasraya is one form of cooperatives engaged in the field of micro-credit. In management, conventional systems are still used in the form of a book. This method is less effective for savings and loan transactions in large quantities because it required precision in processing accounting data such as repetition of writing that can lead to wastage of working time. With the existence of these problems, LKMA Prima Agung needs to use a savings and loan applications that can assist in data processing. The research method used in this study is the identification of the problem, literature, and the establishment of data collection, system design, analysis, design and implementation of the system. The results of this study are expected to be an alternative solution, especially for LKMA Prima Agung in completing various transaction processes effectively and efficiently.
PADUAN ELEMEN WARNA SA*B* PADA ANALISA URIN DIPSTICK DARI CITRA HASIL KAMERA SMARTPHONE DENGAN JARINGAN BACKPROPAGATION Tri Wijaya; Hari Ginardi; Wijayanti Khotimah
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 5, No.1 April 2014
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (832.949 KB)

Abstract

Analisa urin dipstick telah lama digunakan sebagai acuan dasar tingkat kesehatan seseorang. Penganalisaan pada urin dipstick secara umum masih dilakukan dengan cara manual, yakni dengan membandingkan warna pada dipstick dengan chart warna standard. Metode ini sangat bergantung pada tingkat interpretasi pembacaan warna.Penggunaan kamera smartphone dapat menjadi solusi alternatif dalam pembacaan hasil dari urin dipstick.Penganalisaan dilakukan terhadap citra urin dipstick yang diambil dari kamera smartphone.Citra yang dihasilkan menempati ruang warna RGB.Namun, ruang warna ini tidak merepresentasikan nilai respon penglihatan manusia.Disamping itu, warna-warna dalam ruang warna RGB tidak dapat dibandingkan. Oleh karenanya perlu pengubahan ruang warna dari RGB menjadi ruang warna baru agar pengukuran terhadap kedekatan warna antara urine dipstick dan urine color chart dapat dilakukan. Dalam penelitian ini diajukan paduan elemen warna Sa*b* pada analisa urin dipstick dari citra hasil kamera smartphone dengan Jaringan Backpropagation. Paduan elemen warna Sa*b* merupakan gabungan dari ruang warna HSV dan La*b*. Jaringan Backpropagation digunakan untuk mendapatkan nilai paling optimal pada tiap-tiap unit nilai Sa*b*. Dari hasil ujicoba yang dilakukan terhadap paduan elemen warna Sa*b* pada analisa urin dipstick dari citra hasil kamera smartphone dengan Jaringan Backpropagation terbukti menghasilkan tingkat akurasi penganalisaan kemiripan warna yang lebih baik daripada ruang warna La*b* optimized dan HSV yakni sebesar 92 persen.
Requirements Association Extraction based on Use Cases Diagram Peter Gelu; Riyanarto Sarno; Daniel Siahaan
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 9, No. 1 April 2018
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (277.97 KB) | DOI: 10.24843/LKJITI.2018.v09.i01.p02

Abstract

Requirements are the initial step in the software development process. It is very important to ensure the association (relationship) of requirements and high quality of specification as more than three-quarters failure of software derives from the software requirement process. Therefore, the analysis process is required to ensure the association between requirements and the requirements of other users. As a result, interdependency requirements association is essential. This research proposes an approach of software requirements association. These are based on the reference of interdependency in the user case, namely the result of collaboration of the association of the dependency of requirements based on Unified Modeling Language (UML) design in the Use cases diagram. In this research, the mapping between requirements and use cases and interdependencies between use cases are used to determine the interdependency between requirements. The analysis presented is the association of similar requirements, requires, or, temporal, elaborates dan generalises. The purpose of this research is to generate a requirements dependency graph that models the type of dependency between requirements within a software project.
Perancangan Sistem Informasi Manajemen Modul Layanan Pada Rumah Sakit Primanggara Gamaswara; A.A.K Oka Sudana; Ni Made Ika Marini Mandenni
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 6, No.3 Desember 2015
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (616.773 KB) | DOI: 10.24843/LKJITI.2015.v06.i03.p03

Abstract

Management System Information is one of tools used by organizations or companies to provide information for support several function of operation, management, and problem solver immediately and appropriately. Management System Information is needed by an organization or a large company such as hospital. Management System Information had designed for hospital necessary is formed by several modules in accordance with their respective functions, such as the Service Module. Management System Information of Hospital Service Module is expected to reduce hospital employees for working which several services still going manually paperbased, such as recording a patient's medical record. A method is used for this project called TAS Method who had five stages of design. Design of Management System Information of Hospital Service Module has been connected to six others module through exchanged data between module so that produce a integrated. Some process can be explained from this Service Module is Master Data Management, Treatment, Emergency Unit, Medical support, Medical Record, Scheduling, and Report. The result from designing this system is Exchanged Data Between Module Design, Context Diagram, Data Flow Diagram, Hierarchy Chart, Physical Data Model, and Graphical User Interface.
Query Suggestion Pada Drugs e-Dictionary Menggunakan Algoritma Levenshtein Distance Halimah Tus Sadiah; Muhamad Saad Nurul Ishlah; Nisa Najwa Rokhmah
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 10, No. 3 December 2019
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (546.552 KB) | DOI: 10.24843/LKJITI.2019.v10.i03.p07

Abstract

Dictionary of medicine in the form of a thick book has many disadvantages, one of which is impractical. This is the reason for Indonesian developers to create drugs e-Dictionary. But the drugs e-Dictionary that has been developed is still in the form of a letter index so that users must search the terms one by one in sequential order. This has become so inefficient and ineffective that it is necessary to add a search function and query suggestion feature to the drug e-dictionary. The purpose of this study is to build a query suggestion facility on drugs e-Dictionary using the Levenshtein Distance algorithm. The stages of this research consist of the Development of web-based drugs e-Dictionary, Implementation of the Levenshtein Distance Algorithm, Query Suggestion Testing, and Usage. Based on the results of the implementation of the Levenshtein Distance algorithm and test results, Drugs e-Dictionary can evaluate words that are not in the database. The query suggestion function works by producing the closest word output contained in the database.
FACTORS INFLUENCING E-COMMERCE ADOPTION BY SMES INDONESIA: A CONCEPTUAL MODEL Evi Triandini; Arif Djunaidy; Daniel Siahaan
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 4, No. 2 Agustus 2013
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (291.15 KB)

Abstract

E-commerce present different prospect to Small and Medium Sized Enterprises (SMEs) andprovides benefits to SMEs. At this stage, there are a number of studies focused on SMEs indeveloped countries. For developing countries, the situation is quite different. Furthermore, thereis still limited number of researches on e-commerce adoption by SMEs in Indonesia. SMEs playa vital role in reducing the rate of poverty and unemployment in Indonesian economy. In 2009,micro, small and medium enterprises in Indonesia consist of 52.7 million units or 99.99% of thetotal business enterprises, and employ 96.21 million people or 97% of the total labor forces. SMEsin Indonesia faced internal and external problems. This study explores various factors influencinge-commerce adoption by SMEs in several countries and projecting it to Indonesia. Results showsthat there are a number of perceived opportunities presented by e-commerce adoption inIndonesia, i.e. extending market-reach and even global, increasing customer personalizeservices, and improving its competitiveness. Furthermore, this study also proposes six potentialfactors influenced the adoption of e-commerce by SMEs in Indonesia, i.e. perceived usefulness,perceived ease of use, relative advantage, perceived risk, perceived trust, and compatibility.
Web Scraping and Winnowing Algorithms for Plagiarism Detection of Final Project Titles Neng Ika Kurniati; Alam Rahmatulloh; Ridwan Nur Qomar
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 10, No. 2 August 2019
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (528.72 KB) | DOI: 10.24843/LKJITI.2019.v10.i02.p02

Abstract

Plagiarism in research can occur due to accident or intentional. Plagiarism is an act that violates copyright and includes actions that harm others. In submitting the title of the research, for example, for the final assignment research, not a few students who repeatedly submitted titles were rejected and considered doing plagiarism because the title proposed had already existed before. Then we need a system that can detect the similarity between the titles to be submitted and the existing titles so that it is expected to reduce the occurrence of plagiarism. This study uses a winnowing algorithm to find the percentage similarity between titles. The Google Scholar will be used to obtain data on research titles that have been previously available as comparison titles. Web scraping with CURL (Client URLs) and simple HTML DOM parser is used to retrieve title data from Google Scholar. The results of the study with the application of a Winnowing algorithm to find the percentage similarity to data from Google Scholar were able to present a percentage of similarities in percent with the category of mild, moderate or severe plagiarism, while also helping early detection as prevention of plagiarism.

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