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All Journal Scientific Journal of Informatics Register: Jurnal Ilmiah Teknologi Sistem Informasi KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) Jurnal Komputasi Indonesian Journal of Artificial Intelligence and Data Mining InComTech: Jurnal Telekomunikasi dan Komputer JOURNAL OF APPLIED INFORMATICS AND COMPUTING Jurnal Teknoinfo Indonesian Journal of Social and Environmental Issues (IJSEI) Journal of Empowerment Community Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun Jurnal FASILKOM (teknologi inFormASi dan ILmu KOMputer) Journal of Soft Computing Exploration Jurnal Pepadun Malcom: Indonesian Journal of Machine Learning and Computer Science JuTISI (Jurnal Teknik Informatika dan Sistem Informasi) Jurnal Komputasi
Andrian, Rico
Ilmu Komputer FMIPA Unila
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences

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Pengembangan Sistem Ujian Online di Sekolah Didik Kurniawan; Rico Andrian; Lona Ertina
Jurnal Komputasi Vol. 2 No. 2 (2014)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v2i2.1100

Abstract

Exam is a test or evaluation that goal is to determine one’s ability. Trials conducted in the school who are generally still conventionally which the implementation is using paper and lasting correction process. The correction process can be facilitated by making the online examination system in school. System development method used is the waterfall method. Process method waterfall in the process is done sequentially. System that superbly produced which is a system that can be accessed by three users are administrators, teachers, and students. Development of online  examination system in school to facilitate the teachers in terms of correcting for direct assessment process can get online after the exam is over. This test system is implemented by using database mySql and php programming language.
Pengembangan Sistem Informasi Nilai Ujian Online dengan Gammu Rico Andrian; Didik Kurniawan; RA Dina Nia Pratiwi
Jurnal Komputasi Vol. 3 No. 1 (2015)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i1.1101

Abstract

School information is very important for associating parents and school. Information about student at school such a test score as a means of academic activity is very important for parents to know. Usually test score information is only informed when report is given to parents. The system that we developed is used to report student test score via SMS Gateway and working properly. The SMS Gateway system is created using a MySQL database, Gammu and PHP.
Penyederhanaan Tata Bahasa Bebas Konteks Dalam Bentuk Normal Chomsky Menggunakan PHP Rico Andrian; Wamiliana Wamiliana; Ismail Indra Pratama
Jurnal Komputasi Vol. 3 No. 2 (2015)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1129

Abstract

In this research we develop an application to simplify context-free grammar into a Chomsky normal form. This software was made to complete the process of simplification of the context-free grammar (CFG) so that user can identify the stages of a process of simplification, easy to understand the simplification at any stages as well as speed up the process. This software is created using the PHP programming language and use context-free grammar (CFG) as the input. The process order is carried out starting from removing epsilon, unit, and useless production so that the result is in Chomsky Normal Form. Black Box testing results with the method of partitioning software equivalen suggests that simplification of software context-free grammar into a Chomsky normal form using PHP was successful and suitable with the user needs.
Sistem Informasi Kuliah Kerja Nyata (KKN) Dengan Metode Pigeon Hole Untuk Menentukan dan Mengelompokkan Peserta KKN Aristoteles .; Rico Andrian; Agatha Beny Himawan
Jurnal Komputasi Vol. 3 No. 2 (2015)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1131

Abstract

This research is conduct to make a system called “Information System of KKN with Pigeon Hole Method for Determine and Grouping KKN Participant”. Grouping KKN participant based on gender and major of faculty. Grouping KKN participant based on gender is every KKN group consist of 7 participant that consist of 3 male and 4 female. Grouping KKN participant based on majority and faculty is every KKN group consist of 7 participant that consist max 2 participant from same major and max 3 participant from same faculty. The result of grouping KKN participants based on each assumptions is percentage of system accuracy in classifying participant KKN is not much different from the ideal of percentage each group data. This information system of KKN is make using prototype method which is part of SDLC. Information system of KKN can be use as a means by students to participate KKN process. Information system of KKN with pigeon hole method make placement and grouping KKN participant more easy and well ordered.Keywords: KKN, Pigeon Hole, Prototype, System Development Life Cycle
APLIKASI PENGUBAH BENTUK NORMAL CHOMSKY MENJADI BENTUK NORMAL GREIBACH DENGAN METODE SUBSTITUSI Rico Andrian; Wamiliana .; Andikha Yunar Cornelius Dabukke
Jurnal Komputasi Vol. 3 No. 2 (2015)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1132

Abstract

The research was conducted with making an application to change Chomsky Normal Form (CNF) to Greibach Normal Form (GNF) with substitution method. One way of representing Context Free Grammar (CFG) is using Greibach Normal Form (GNF). The development of the application starts by making algorithm with prototype method to change Chomksy Normal Form (CNF) to Greibach Normal Form (GNF). This application is used to change Chomsky Normal Form to Greibach Normal Form and the results show that the application can change Chomsky Normal Form to Greibach Normal Form smoothly.The input for the application must be on Chomksy Normal Form (CNF). Keywords: Chomsky Normal Form, Context Free Grammar, Greibach Normal Form, Prototype Method 
APLIKASI PENYEDERHANAAN CONTEXT FREE GRAMMAR Rico Andrian; Wamiliana .; Andriyan Hutomo
Jurnal Komputasi Vol. 3 No. 2 (2015)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v3i2.1133

Abstract

This research is done by making an application to simplify Context Free Grammar (CFG). The process of making the application starts from designing the algorithm using eXtreme Programming method as system development methods until get the application to simplify Context Free Grammar (CFG). The testing method to test the application is Black Box Testing. The result shows that the application can simplify Context Free Grammar smoothly, and how to simplify Context Free Grammar step by step. Context Free Grammar (CFG) simplification has  three stages, eliminating espsilon production, eliminating unit production and eliminating useless production, those three stages must be done sequentially. Keywords: Chomsky Normal Form, Context Free Grammar, Greibach Normal Form, Prototype Method 
ANALISIS PERBANDINGAN ALGORITMA SIMETRIS TINY ENCRYPTION ALGORITHM DAN LOKI DALAM ENKRIPSI DAN DEKRIPSI DATA Pradana Marlando; Wamiliana Wamiliana; Rico Andrian
Jurnal Komputasi Vol. 4 No. 1 (2016)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v4i1.1153

Abstract

Information can be kept secure by an encryption process in cryptography technique. In this research we discussed comparative analysis of symmetric algorithms: Tiny Encryption Algorithm (TEA) and LOKI in terms of their complexity, time and speed performances. The testing was conducted using 30 data with size varies between 50 bytes and 1500 bytes. Thirty data were tested 50 times. The result shows that TEA is faster in encryption and decryption compared to LOKI  and the complexity of both algorithms are linear algorithms (O (n)).
Implementasi Kriptografi Dan Steganografi Pada Media Gambar Menggunakan Hill Cipher Dan Least Significant Bit (LSB) Eka Fitri Jayanti; Wamiliana Wamiliana; Rico Andrian
Jurnal Komputasi Vol. 5 No. 1 (2017)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v5i1.1411

Abstract

Cryptography can be used to process message using a specific algorithm that make the message difficult to be understood. After that, steganography is used to hide the message in other forms. This research used modified Hill Cipher and Least Significant Bit (LSB) to build a web based application for sending message and get the original message using an android application. The title and cipher key will be sent automatically by the application to the recipient's email. This application can be used by organizations or companies and use stego cover with file type .jpg and message with file type .txt. The modified Hill Cipher and LSB method can be used to encrypt message, embed it to a image and reveal it to the original message. Our research show that the LSB method has the best possibility to reveal message on image manipulated by changing brightness and contrast if the cover in grayscale, and dominant red and white colours image quality. 
Optimasi Pencarian Kata-Kata Dalam Empat Kitab Hadis Sunita Agustina; Dwi Sakethi; Rizky Prabowo; Rico Andrian
Jurnal Komputasi Vol. 6 No. 1 (2018)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v6i1.1654

Abstract

Sumber hukum dalam Islam merupakan suatu rujukan atau dasar yang utama dalam pengambilan keputusan hukum islam, terdapat tiga sumber hukum Islam yaitu Al-Quran, Hadis, dan Ijtihad. Maraknya perkembangan teknologi informasi, diharapkan hasil yang optimal dalam pencarian suatu data, sehingga dalam mencari informasi mengenai hadis dapat lebih effektif serta mudah untuk diterapkan dalam kehidupan sehari-hari. Pada sistem pencarian hadis yang telah ada sebelumnya hanya terdapat satu kitab hadis dan hasil pencarian belum terurut. Sistem pencarian hadis yang penulis lakukan adalah pengembangan pada optimasi pencarian informasi hadis dengan pembobotan disetiap input-an kata-kata, yaitu nilai bobot = 3 untuk input tiga kata, bobot = 2 untuk input dua kata, dan bobot = 1 untuk input satu kata. Setelah dilakukan pengembangan pencarian dengan satu hingga kata kunci, ditampilkan kata-kata yang sama terlebih dahulu sesuai dengan kata kunci yang pengguna masukan. Dengan urutan hasil pencarian yaitu tiga kata terlebih dahulu, dua kata, dan yang terakhir satu kata. Pengujian dilakukan menggunakan Blackbox testing dan pengujian kuesioner. Pada Blackbox Testing diperoleh hasil yaitu sistem sudah cukup valid secara fungsional. Pada pengujian kuesioner yaitu pengujian pernyataan diperoleh nilai index sebesar 88,05% yang menunjukan bahwa responden sangat setuju atas pernyataan-pernyataan yang telah diberikan. Pengujian perbandingan diperoleh hasil sebanyak 190 responden memilih sistem baru yang menunjukan bahwa sistem baru telah melakukan optimasi cukup baik.
RANCANG BANGUN SISTEM INFORMASI ADMINISTRASI PKM UNIVERSITAS LAMPUNG BERBASIS WEB MENGGUNAKAN METODE RATIONAL UNIFIED PROCESS (RUP) Ayu Taqiya Ulfa; Astria Hijriani; Rico Andrian
Jurnal Komputasi Vol. 6 No. 1 (2018)
Publisher : Jurusan Ilmu Komputer Fakultas MIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/komputasi.v6i1.1482

Abstract

Administrative information system of the Program Kreativitas Mahasiswa (PKM) of Lampung University is a web-based information system developed to assist administrative process in the implementation of PKM at university level, to record participants of PKM University of Lampung, to disseminate information about PKM, and to provide reference of PKM document of University of Lampung students. Information system administration PKM University of Lampung was developed using the programming language PHP and MySQL. The system development method used is the Rational Unified Process (RUP) method. The RUP divides one development cycle into four phases. The phases of the RUP are inception, construction, elaboration, and transition. Each phasein the workflow process that starts from business modeling,requirement,analysis and design, implementation,testing, and finally deployment. The process in the inception phase is business modeling and requirement, then at elaboration stage is analysis and design and implementation. The process at the construction phase is testing, then process at thetransition phase is deployment. Software product testing is done by equivalence partitioning testing and alpha test version. Test results reached success rate 91.41%, so it can be concluded that the functions on the system running well and the system can already to use.
Co-Authors . Wamiliana Adi Pribadi, Raden Irwan Admi Syarif Admi Syarif Agatha Beny Himawan Ahmad Adi Wijaya, Ahmad Adi AKBAR RISMAWAN TANJUNG Akmal Junaidi Alkhadafi Saddam Simparico Ananto Danu Prasetyo Andikha Yunar Cornelius Dabukke Andriyan Hutomo Ardiansyah Ardiansyah Aristoteles, Aristoteles Astria Hijriani Astria Hijriani Astria Hijriani, Astria Asyidiqi, Abdilah Ayu Taqiya Ulfa Basir Efendi Dedy Hermawan Dedy Miswar Destian ade anggi Sukma Dian Riskiyana Didik Kurniawan Diky Hidayat Dwi Sakethi Dwi Sakethi Dwi Sakethi Dwi Sakethi eggi amandara Eka Fitri Jayanti Eko Septiawan Febi Eka Febriansyah Fikri Aslam Taufiqurrahman Flaurensia Riahta Tarigan Florencia Irena Gandadipoera, Faishal Hariz Makaarim Heningtyas, Yunda Hernani, Livia Ayu Istoria Herwanto, Hans Christian Igo Febrianto Indrianti Indrianti Irawati, Anie Rose Ismail Indra Pratama Jannati Asri Safitri Kristina Ademariana Kurnia Muludi Larasati, Novi Yunita Lisa Suarni Lona Ertina Lumbanraja, Favorisen R M. Juandhika Rizky Machudor Yusman Maharani, Devi Malik Abdul Azis Malik Abdul Aziz Meizano Ardhi Muhammad Muhammad Chairuddin Muhammad Iqbal Muhammad Iqbal Muhammad, Meizano Ardhi Muhaqiqin Muhaqiqin Noera Yudhiarti Utami Novita Dwilestari Octarina, Nur Ayu Ofik Taupik Purwadi Ossy Dwi Endah Wulansari Prabowo, Rizky Prabowo, Rizky Pradana Marlando Qonitati Qonitati RA Dina Nia Pratiwi Raden Irwan Adi Pribadi Rahman Taufik Rahmat Safe'i Reda Meiningtiyas Renada Dhea Armelia Rika Ningtias Azhari S Susiyani Safitri, Jannati Asri Saipul Anwar Saipul Anwar Sari, Dini Ratna Sholehurrohman, Ridho Slamet Budi Yuwono Sriatna, Diah Adi Sunita Agustina TANJUNG, AKBAR RISMAWAN Taufik, Rahman Tri Maryono Tristiyanto Tristiyanto Utami, Noera Yudhiarti Vadella Nikita Ayumi Verina, Vira Wamiliana Wamiliana Wartariyus Wartariyus Zuhri Nopriyanto