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Lontar Komputer: Jurnal Ilmiah Teknologi Informasi

lontar
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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 7 Documents

Search results for , issue "Vol. 8, No. 2 Agustus 2017" : 7 Documents clear

Sistem Informasi Monitoring Perkembangan Anak di Sekolah Taman Kanak – kanak Berbasis Cloud Putu Satya Saputra; I Made Sukarsa; I Putu Agung Bayupati
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

Education is a means to advance human resources. Achieving educational progress requires a tool for managing data such as curriculum data, students and grades. This tool can be used to control student activities in school so that the results can be delivered immediately and the monitoring process can run effectively because of communication between the school and parents. Child Development Monitoring Information System at Cloud-Based Kindergarten School is a Web-based Software As A Services (SaaS) service. This information system created by using cloud technology provides facilities to perform the management of various academic data such as student data, values and so forth. A cloud-based academic information system service that can be relied on to operate online without servers and installations for every system in school. The use of cloud technology in making this application is expected to further simplify the process of academic data management and school data that is generally done conventionally. The results of research conducted by spreading the questionnaire using Likert scale calculations show more than 50% of users agree with the statement already made.

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

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.

Pengelolaan Kegiatan Pengabdian Masyarakat dengan Sistem Informasi Manajemen I Dewa Made Adi Baskara Joni; I Putu Hendika Permana
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

CCommunity service activities is one activity that takes the role of Information Technology (IT). IT utilization minimize the possibility of the emergence of various problems in the activities. Documents such as decrees, letters of assignment, proposals and reports of activities is often inconsistent. In the evaluation of the activities also has many limitations. If the required information such as who the lecturer is involved in the activities, how much total cost for each activity or completely very hard to know. A system built to help manage community service activities (CS) both institutional and group of lecturers CS. Users can manage at the beginning of each submission period CS activity. When necessary administrative documents such as decree and Letter of Assignment, can be generated automatically from the system. The proposal documents, reports and documentation of evidence can be uploaded into the system in order to be archived digitally and structured. The system is expected to be a solution of the problems experienced. With the new system, human error can be minimized and management activities can be done more easily with the help of IT.

Permainan Edukasi Labirin Virtual Reality Dengan Metode Collision Detection Dan Stereoscopic Aditya Bhaskara Gde Sang; Putu Wira Buana; I Ketut Adi Purnawan
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

General knowledge is the knowledge most people know about. LIPI (Indonesian Institute of Sciences) Survey’s in 2015 states 54% of 1,829 respondents are less aware of knowledge and technology information. Most Indonesians prefer using internet for social media rather than seeking information about knowledge or issues in society [1]. This problem can be overcome with more interactive educational media, so can add insight of general knowledge in fun way. Virtual Reality is technology capable of creating interactive virtual environment. Virtual Reality is used to create educational game called LabirinVR. LabirinVR created using GoogleVR SDK with Collision Detection and Stereoscopic Vision Methods. Game interactions utilize Accelerometer and Gyroscope sensors. The application is able to increase the ability of thinking, creativity, and insight of general knowledge of Indonesia and the world. The application function test result is 100% valid and has 98% feasibility level, so it has good UAT (User Acceptence Test) [2], accepted and used by the people.

Implementasi Keamanan Data Menggunakan Algoritma Rivest Code 4 (RC4) Pada Sistem Informasi Inventory Stock Barang Pada Distributor PT.Wings Food Susanto Susanto
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

Rivest code 4 (RC4) is a cryptographic algorithm modern symentic key which has an operating mode stream chipper. It’s used two substitutions box in processing data and information, they are array with a permutation length of 256 and second s-box as permutation with has a function as public key. Algorithm rivest code 4 was used for data encryption, message or information. Information system inventory stock of goods at distributor PT. Wings Food is a system that processed incoming and outgoing goods data, so that the data stored in database must be guaranteed confidential and its secure. To keep the security of stock data items stored in database, it was combined with algorithm rivest code 4. Thus, the data encrypted in database would not be known the real meaning and was difficult to change or replaced. Symmetry key that was used for processing encryption and description rivest code 4 algorithm at information system inventory stock of goods in source code. Algorithm implementation rivest code 4 was made by programming language Hypertext Preprocessor and MySQL. Based on the result, the data displayed in database PT. Wings Food was encrypted, so it was found that the system could keep the data confidential in a secure. In short, the data displayed was unencrypted.

Implementasi Database Auditing dengan Memanfaatkan Sinkronisasi DBMS Gede Anantaswarya Abhisena; I Made Sukarsa; Dwi Putra Githa
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

Database auditing can be an important component in database security and governance regulations. Database Administrator needs to be more alert in the methods used to maintain the corporate data, and standards and requirements available against available data. At high level, databases auditing are facility to search the usage of database authority and resources. When auditing is active, every database operation that audited generates an audit trails of the information changes made. Database synchronization is a form of replication, which is a process to convincing every copy of database comprise the same data. Database synchronization allows to utilized many purposes, one of which builds auditing that records every activities occur at database. The audit trails from the resulting of data operations allows DBAs (Database Administrators) maintained audit trails time to time, to perform an analysis of access patterns and modifications to data in DBMS (Database Management System).

Penerapan Dizcretization dan Teknik Bagging Untuk Meningkatkan Akurasi Klasifikasi Berbasis Ensemble pada Algoritma C4.5 dalam Mendiagnosa Diabetes Mirqotussa’adah Mirqotussa’adah; Much Aziz Muslim; Endang Sugiharti; Budi Prasetiyo; Siti Alimah
Lontar Komputer : Jurnal Ilmiah Teknologi Informasi Vol. 8, No. 2 Agustus 2017
Publisher : Institute for Research and Community Services, Udayana University

In the field of health, data mining can be used to predict a disease from patient medical record data, diabetes. There are several data mining models which one is classification. In the access field, there are many branches that are developing the decision tree (decision tree). One popular decision tree is C4.5. In this study, the data used were pima indian diabetes dataset taken from UCI machine learning repository. In this dataset all attributes are of continuous numeric type and for combined continuous data discretization is used. Accuracy is very important in the classification, ensemble method is a method used to improve the accuracy of classification algorithm by building some classifier of training data. From the research results, by applying discretization and bagging techniques to ensemble-based classification on C4.5 algorithm can increase the accuracy of 6.26%. With an initial accuracy of 68.61%, after applied discretization and bagging techniques to 74.87%..

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Research institutions and Community Service, University of Udayana, Kampus Bukit Jimbaran Bali

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Journal Mail Official lontarkomputer@unud.ac.id

Editorial Address Research institutions and Community Service, University of Udayana, Kampus Bukit Jimbaran Bali

Location Kota denpasar, Bali INDONESIA

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Contact Name
-

Contact Email
-

Phone
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Journal Mail Official
lontarkomputer@unud.ac.id

Editorial Address
Research institutions and Community Service, University of Udayana, Kampus Bukit Jimbaran Bali

Location
Kota denpasar,

Bali

INDONESIA