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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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Rancang Bangun Game Tapel Bali Pada Platform Android I Dewa Made Yuda Aditya Putra; AA Kt Agung Cahyawan Wiranatha; Putu Wira Buana
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 6, No.1 April 2015
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (703.221 KB)

Abstract

Perkembangan teknologi membuat game dapat diaplikasikan pada Smartphone Android yang mendukung fungsi touchscreen. Game dapat dimanfaatkan sebagai media untuk mendukung pelestarian budaya dan meningkatkan kecintaan terhadap budaya. Game Tapel Bali bertujuan untuk mengenalkan Tapel Bali ke masyarakat luas terutama tapel yang sudah jarang ditemui. Game Tapel dapat mengenalkan atau mendeskripsikan Tapel Bali sesuai data yang benar dan valid dari sumber-sumber tentang budaya lokal Tapel Bali. Hasil yang didapat dari Game Tapel Bali adalah game dengan alur permainan dan desain yang menarik sesuai dengan hasil survey yaitu 73% kriteria baik dari aspek grafis dan 60% kriteria baik dari aspek entertainment. Game Tapel Bali menghasilkan sebuah game dengan 12 level permainan yang terdiri dari Tapel Drama, Tapel Calonarang, Tapel Wayang, dan Tapel Barong. Pemain yang berhasil menyelesaikan setiap level memperoleh informasi mengenai tapel yang berhasil diselesaikan. Game Tapel Bali dapat dimainkan tanpa error pada device Android dengan berbagai dimensi layar. Kata kunci: Game untuk Android, Tapel Bali, Corona SDK, Lua, Budaya Lokal.
Ekstrak Hirarki Data Dari Situs Web A-Z Animals Menggunakan Web Scraping I Putu Arditya Darmawan; I Nyoman Piarsa; I Putu Arya Dharmaadi
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 3 Desember 2017
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (875.84 KB) | DOI: 10.24843/LKJITI.2017.v08.i03.p03

Abstract

A-Z Animals is a website that presents data about Kingdom Animalia. The Kingdom Animalia data has a hierarchy or level called the taxon level, which starts from kingdom to species. The problems encountered are the data contained on the website can be reuse for other purposes, such as creating dictionaries, learning media and others, but it takes a long time to enter data into the database due to the many and the complexity of the data. The solution of the problem is to create an application that can automatically retrieve data from the website to speed up data collection.Web Scraping is a method to retrieve documents from a website from the internet, in the form of HTML, next analyzed to retrieve certain data from the document. The results of tests sowed applications can retrieve content or data required from the website a-z-animal.com. The application takes an average time to process one page of a-z-animal.com is about 16.13 seconds.
Sistem Informasi Geografis Pemetaan Daerah Aliran Sungai Berbasis Web Sitta Rahayu; I Nyoman Piarsa; Putu Wira Buana
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 7, No. 2 Agustus 2016
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (933.93 KB) | DOI: 10.24843/LKJITI.2016.v07.i02.p01

Abstract

Watershed management becomes very important because the more maintained its watershed, the risk for disasters caused by the overflowing river became smaller. Watershed management could be done if the information on that watershed could be complete, but untill this day, the available information was lacking. This condition caused the difficulty of data collected, so required a system that could be used to perform watershed data processing. A system that to be used is Geographic Information Systems Watershed Mapping. This system is a Web-based system that can be used for collected data and mapping the watershed using a map from Google Maps. Features polyline which was owned by Google Maps can be used to describe a network of rivers and long inundation, library geometry was used to calculate the length of polylines, feature marker was used to describe the location of the dam and the point was prone to flooding of a river and features a polygon used to describe the watershed. This system can collected data watershed in two ways, namely digitization and input the coordinates that can be done by the admin. Results from watershed data can provide information to the user about the location of the dam along with its description, the river network in the watershed, a point prone to flooding, inundation and limit the length of the watershed and its description.
Sistem Informasi Geografis Pemetaan Jalan Desa Berbasis Web Luh Gede Sri Handayani; I Nyoman Piarsa; Kadek Suar Wibawa
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 6, No.2 Agustus 2015
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (641.265 KB)

Abstract

Village roads is one of the critical infrastructure that is used to connect a village area with the other villages. Information of the village road is also an important thing to be known, but is not matched with the data collection are still not done enough. That is because the number of village roads and collecting data are still done manually, made it difficult to collect data efficiently, so that the need for a digital system for collecting data more quickly. Geographic Information Systems Mapping Village Road is a Web-based digital system that can be used to mapping village road using Google Maps, polyline feature to describe a network of roads and Geometry Library to count length of road. This system can collect data of village roads in two ways, namely digitization and input the coordinates that can be done by the operator, while the admin can do data processing on the data master. Results of data collection of village roads can provide information to the user about street name, road length, type of road surface and road condition.
The Comparasion Determining of Some Route of Angkot In Bandung by Using Greedy Algorithm and Min Plus Algorithm Eka Susilowati
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 (308.988 KB) | DOI: 10.24843/LKJITI.2018.v09.i03.p07

Abstract

Bandung is one of the major cities in Indonesia. The lower middle class is greatly helped by public transportation. Angkot is transportation that is close to the people. However, public transportation services that are less organized can make people switch to using private transportation. This actually has a bad impact on traffic. Thus, there need to be improvements in public transportation in the city of Bandung. One-way roads in the city of Bandung are also the cause of many angkot routes. The choice of public transportation users to choose an efficient angkot route. Efficient here means a short path so that the travel time to the destination is minimal. In the previous article, the Cicaheum Ciroyom and Ujung Berung ITB angkot routes were obtained using the Greedy algorithm. In this discussion, the algorithm that can be used to determine angkot routes in Bandung is the Min-Plus algorithm. After being compared between the Greedy algorithm and the Min plus algorithm, the resulting angkot algorithm is better obtained by the Min Plus algorithm.
RANCANG BANGUN APLIKASI PENDIDIKAN JARAK JAUH BERBASIS CSCL (COMPUTER-SUPPORTED COLLABORATIVE LEARNING) Satria Pratama; Gusti Agung Ayu Putri
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 2, No. 1 Juni 2011
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (201.379 KB)

Abstract

ika berbicara mengenai pendidikan, maka yang pastinya terbayang adalah duduk di suatu ruangan, dengan beberapa orang yang memiliki tujuan yang sama untuk belajar, dengan dibimbing dan diajarkan oleh seorang guru di depan kelas. Jika dilihat perkembangan jaman seperti sekarang ini, tidaklah mengherankan apabila pendidikan telah dikembangkan sehingga dapat dilakukan menggunakan teknologi informasi yang telah tersedia. Dengan berdasarkan pada kemajuan teknologi dan berkembangnya internet, maka dibuatlah sebuah aplikasi pendidikan jarak jauh dengan menggunakan basis CSCL. Perangkat lunak yang dibuat adalah Aplikasi Pendidikan Jarak Jauh Berbasis CSCL (Computer- Supported Collaborative Learning) yang akan mengadaptasi kemampuan dari pendidikan konvensional yang mengandalkan pertemuan secara langsung untuk dibawa ke dalam pertemuan secara maya dalam bentuk sebuah kelas virtual. Pendekatan yang digunakan adalah pengembangan terstruktur untuk membangun sebuah sistem pendidikan berbasis CSCL yang mendukung pembelajaran secara synchronous ataupun asynchronous. Pengujian yang dilakukan menghasilkan kesimpulan bahwa sistem yang dikembangkan telah mampu untuk mengakomodasi metode pendidikan jarak jauh dengan basis CSCL antara lain untuk fitur ruangan forum, ruangan chatting, dan proses manajemen perkuliahan.
Rancang Bangun STIKI Class Facilities E-Complaint Ni Kadek Ariasih; I Made Gede Sri Artha
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (465.359 KB) | DOI: 10.24843/LKJITI.2017.v08.i02.p04

Abstract

STMIK STIKOM Indonesia is one of the institutions in the field of computer-based education. In order to support the effectiveness of the implementation of teaching and learning activities that take place, it is need a service that support the availability of adequate class facilities and complaints services if there are constraints on facilities in the classroom. So far, the management of complaints complaints against classroom facilities or in the labarotorium which is handled by the Household Management Section is still on manua basis. In terms of record and handle complaints it is required information system which called STIKI Class Facilities E-Complaint. This system can assist the Household Management Section in monitoring complaints from the condition of existing room facilities if experiencing problems and also can improve the quality of service in handling complaints. The software development process model used is prototype and Web-based model with PHP and MySQL database.
Perancangan Sistem Informasi Manajemen Rumah Sakit Modul Akuntansi Dan Keuangan Tantoni Hardiwinata; Putu Wira Buana; Ni Kadek Ayu Wirdiani
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 (641.274 KB) | DOI: 10.24843/LKJITI.2015.v06.i03.p01

Abstract

Module Management Information System of Accounting and Finance in a hospital is required, because the transactions that occur in a company already so much. Transactions that are not recorded properly, there’s no chance in making judgments and decisions well. Module of Accounting and Finance to increase its benefits, the data must be systematically recorded, summarized and grouped, and presented in the report. Manually recording transactions is still a constraint to get a good recording results because of errors in recording transactions often occur as well as the time required to obtain a sufficiently long financial statements. In this study will be made of a system of management accounting and financial information that is useful to overcome obstacles in the accounting process is done manually. The management system includes recording in journalizing, ledgers, and report generation. The management information system in the form of context diagram, diagram Tiered, Overview Diagram, Data Flow Diagrams, Database, and GUI.
Bahasa Inggris Rahma Wati Sembiring Brahmana; Fahd Agodzo Mohammed; Kankamol Chairuang
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol 11 No 1 (2020): Vol. 11, No. 1 April 2020
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (687.206 KB) | DOI: 10.24843/LKJITI.2020.v11.i01.p04

Abstract

A problem that appears in marketing activities is how to identify potential customers. Marketing activities could identify their best customer through customer segmentation by applying the concept of Data Mining and Customer Relationship Management (CRM). This paper presents the Data Mining process by combining the RFM model with K-Means, K-Medoids, and DBSCAN algorithms. This paper analyzes 334,641 transaction data and converts them to 1661 Recency, Frequency, and Monetary (RFM) data lines to identify potential customers. The K-Means, K-Medoids, and DBSCAN algorithms are very sensitive for initializing the cluster center because it is done randomly. Clustering is done by using two to six clusters. The trial process in the K-Means and K-Medoids Method is done using random centroid values ??and at DBSCAN is done using random Epsilon and Min Points, so that a cluster group is obtained that produces potential customers. Cluster validation completes using the Davies-Bouldin Index and Silhouette Index methods. The result showed that K-Means had the best level of validity than K-Medoids and DBSCAN, where the Davies-Bouldin Index yield was 0,33009058, and the Silhouette Index yield was 0,912671056. The best number of clusters produced using the Davies Bouldin Index and Silhouette Index are 2 clusters, where each K-Means, K-Medoids, and DBSCAN algorithms provide the Dormant and Golden customer classes.
PENGUKURAN OTOMATIS LEBAR CORTICAL BONE PADA DENTAL PANORAMIC RADIOGRAPH Putra Arhandi; Agus Arifin; Wijayanti Khotimah
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 5, No. 2 Agustus 2014
Publisher : Institute for Research and Community Services, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (878.442 KB)

Abstract

Akhir akhir ini banyak dilakukan penelitian mengenai citra medis yang bertujuan untuk membantu dokter dalam menganalisa sebuah penyakit. Salah satu citra medis yang sering diteliti adalah dental panoramic radiograph (DPR). Bagian dari DPR yang dianalisa adalah lebar dari cortical bone pada rahang bawah karena lebar cortical bone pada rahang bawah mempunyai hubungan yang signifikan terhadap kepadatan tulang di tulang pinggul, tulang belakang dan leher tulang paha. Oleh karena itu lebar dari cortical bone ini dapat dijadikan sebagai parameter untuk identifikasi osteoporosis. Pada penelitian sebelumnya diusulkan metode pengukuran ketebalan cortical bone otomatis dengan menggunakan deteksi tepi (canny) yang dimodifikasi, kemudian dibantu dengan active contour model (ACM) untuk mendapatkan tepi luar cortical bone dan greyscale profile analysis untuk menghitung ketebalan dari tepi luar cortical bone. Namun dalam proses greyscale profile analysis ini masih dapat terjadi kesalahan dan masih belum mempertimbangkan keadaan dari pixel tetangga. Pada penelitian ini, dibangun sebuah metode untuk mengukur ketebalan cortical bone secara otomatis dengan memanfaatkan deteksi tepi (canny), yang dibantu dengan active contour model untuk mendapatkan tepi luar dan greyscale profile analysis yang memperhatikan keadaan dari pixel tetangga. Metode ini berhasil mengukur lebar cortical bone dengan rata-rata korelasi sebesar 0,88 untuk tulang rahang kanan pada window 50 pixel dan 0,89 untuk tulang rahang kiri pada window 75 pixel

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