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All Journal METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Informatika : Jurnal Informatika, Manajemen dan Komputer Jurnal Informatika Kaputama (JIK) Jurnal Pengabdian Pada Masyarakat METHABDI Majalah Ilmiah METHODA
Harlen Gilbert Simanullang
Universitas Methodist Indonesia
Religion Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Immunology & microbiology Languange, Linguistic, Communication & Media Medicine & Pharmacology Physics Public Health

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APLIKASI E-ULOS DENGAN KONSEP CUSTOMER RELATIONSHIP MANAGEMENT UNTUK MEMBANGUN LOYALITAS PELANGGAN Indra Kelana Jaya; Harlen Gilbert Simanullang; Asaziduhu Gea
Jurnal Informatika Kaputama (JIK) Vol 4, No 1 (2020): VOLUME 4 NOMOR 1, EDISI JANUARI 2020
Publisher : STMIK KAPUTAMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/jik.v4i1.224

Abstract

Bataknese (such as Batak Toba, Karo, Simalungun, Pakpak) in their ceremonial events (birth, marriage, death) are use of Ulos. Gallery Ulos Sianipar is a business unit selling various Batak weaving such as Ulos, Songket, Kebaya and Batak Traditional Clothing. Gallery Ulos Sianipar use minimum Information Technology in business activities. Analysis SWOT (Strength, Weakness, Opportunities, Threat) aims to capture the organization's needs for system development. IDIC Model (Identify, Differentiate, Interact, Customize) aim to implement the concept of customer relationship management to increase the loyalty of customers
Sistem Kuesioner Penilaian Kinerja Guru Menggunakan Metode Multifactor Evaluation Process Pada SMP Negeri 3 Binjai Berbasis Framework Codeigniter Harlen Gilbert Simanullang; Arina Prima Silalahi
Jurnal Informatika Kaputama (JIK) Vol 4, No 2 (2020): Volume 4, Nomor 2 Juli 2020
Publisher : STMIK KAPUTAMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/jik.v4i2.273

Abstract

Teknologi mempunyai peran penting bagi suatu instansi, lembaga ataupun perusahaan membutuhkan suatu komputerisasi untuk pengolahan data dan mendapatkan hasil yang sangat akurat untuk mendukung keberhasilan dalam mencapai tujuannya. Pemilihan guru teladan salah satu aktivitas yang penting untuk meningkatkan kualitas proses belajar mengajar. Beberapa hal yang menjadi kendala, yaitu diantaranya adalah keefektifan dan efisiensi waktu dan proses perhitungan nilai guru. Berdasarkan masalah yang tersebut, diberikan alternatif pemecahan masalah dengan merancang suatu sistem untuk mencatat data dan melakukan penghitungan nilai guru yang akan dibuat secara sistematis dan terkomputerisasi dengan metode Multifactor Evaluation Process (MFEP). Metode MFEP akan mengurangi ketidakefisienan pada saat pengisian data peserta, pemilih dan perhitungan nilai peserta/guru. Sehingga dapat menbentuk sebuah “Sistem Kuesioner Penilaian Kinerja Guru Menggunakan Metode Multifactor Evaluation Process (MFEP) Pada SMP Negeri 3 Binjai”
PENGEMBANGAN PERANGKAT IoT MONITORING KUALITAS UDARA DALAM RUANGAN MENGGUNAKAN MIKROKONTROLLER BERBASIS ANDROID Nogar Silitonga; Yuniman Telaumbanua; Harlen Gilbert Simanullang
METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Vol. 5 No. 1 (2021): METHOMIKA: Jurnal Manajemen Informatika & Komputersisasi Akuntansi
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (723.645 KB) | DOI: 10.46880/jmika.Vol5No1.pp81-85

Abstract

Air quality in a room is a problem that needs to be considered because it can affect human health. Therefore, we need a system that can monitor LPG, CO2, and cigarette smoke levels to determine the value of air quality levels in a room. Air pollution levels can be measured with the MQ-2 sensor to detect levels and an Android-based application as an information viewer. This study aims to build a monitoring application for LPG, CO2, and cigarette smoke levels based on the wireless ESP8266 sensor network in the room. The level monitoring application is built with the Java programming language, Firebase, and Arduino software. The application development stage includes analysis, system design, implementation, and testing. The level monitoring application that is made can display the results of monitoring data. So those users can find out the measurement data of a level that is in a room with a series of sensors used. The result is research on the use of this device can be used as a tool to monitor air quality in a room.
Dashboard management penjualan dan pembelian pada tangkahan ikan Arina Prima Silalahi; Harlen Gilbert Simanullang
I N F O R M A T I K A Vol 13, No 1 (2021): MEI 2021
Publisher : STMIK DUMAI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36723/juri.v13i1.260

Abstract

Teknologi berperan penting bagi terlaksananya kegiatan manusia saat ini, termasuk dalam kegiatan bisnis dengan berbagai bentuk tampilan/template yang mudah digunakan. Dashboard biasa digunakan untuk menampilkan data secara ringkas. Laporan dapat dilihat secara cepat melalui ringkasan data yang ditampilkan di Dashboard. Pengolahan data yang begitu banyak membuat kegiatan bisnis yang masih melaksanakan pencatatan manual dan melihat runtutan data laporan dirasakan kurang efektif. Pemanfaatan teknologi sangat dibutuhkan pemilik tangkahan ketika menghadapi kendala pengelolaan bisnis seperti waktu yang lama untuk mengelola data, kehilangan data penjualan, pembelian dan terjadinya kesalahan rekapitulasi laporan. Selain itu, kebutuhan akan akses data dan informasi yang cepat dan akurat juga diperlukan untuk mendukung dan memantau pengelolaan usaha. Berdasarkan permasalahan tersebut, perlu solusi untuk memanajemen data penjualan dan pembelian keseluruhan, dan menampilkan laporan secara cepat dan akurat yaitu dengan mengangkat penelitian berjudul “Dashboard Management Penjualan dan Pembelian Ikan pada Tangkahan Ikan”.
PERANCANGAN PERANGKAT LUNAK SISTEM ABSENSI DENGAN BARCODE CARD PADA FAKULTAS ILMU KOMPUTER UNIVERSITAS METHODIST INDONESIA Darwis Robinson Manalu; Harlen Gilbert Simanullang
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 1 No. 1 (2015): Maret 2015
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v1i1.10

Abstract

Faculty of Computer Science is one of the faculties at the University Methodist Indonesia. At this school there is a sistemabsensi faculty and students who are still running it manually, which dalampenerapan attendance system, there are some things that become obstacles, which include the effectiveness and efficiency of time and prosespengabsenan. With the above reasons, the authors try to memberikanalternatif solving problems by creating a software absensiyang system will record data and a list of faculty and student attendance, number and recapitulation presence of faculty and students, which will be made in a systematic and computerized WITH barcode, which will eliminate the process attendance of lecturers and students who have been running it manually in the Faculty of Computer Science. Barcode will method of reducing levels of fraud at the time of charging absent students, and to improve discipline in attendance. At this writing will also be explained stages of processing, mulaidari process of analysis, planning, design by using VB.Net and MySQL for its database, to manufacture DFD (Data Flow Diagram) as an indication of the current procedure that akanditerapkan data on the system, and the analysis of inputs and output, to know anything what the data will be input and output.
ALGORITMA BLOWFISH UNTUK MENINGKATKAN KEAMANAN DATABASE MYSQL Harlen Gilbert Simanullang; Arina Prima Silalahi
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 4 No. 1 (2018): Maret 2018
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v4i1.58

Abstract

The limitations of humans to maintain the security and confidentiality of stored data can have a bad impact if it is used by unauthorized parties. One way to secure shipping is to convert data into one that is not understood by encoding and insertion using cryptographic techniques. Cryptography is the study of system security, where the system needs to be secured from interference or threats from irresponsible parties. One of the cryptographic algorithms is the Blowfish Algorithm. The Blowfish algorithm is a modern cryptographic algorithm symmetrical key shaped block cipher. The Blowfish algorithm is quite simple but strong enough because it has a long key space, making it difficult to attack. Encryption is done by using a certain key, so as to produce ciphertext (files that have been encrypted or encoded) that cannot be read or understood. The ciphertext can be restored as if it was decrypted using the same key when encrypting the file. The key length used can affect the security of the algorithm. The decryption flow is almost the same as the Blowfish Algorithm encryption, except in the P-array (P1, P2, …… .., P18) done by invading. Information of a system is certainly stored in a database that is always possible to attack, but using cryptography then the problem can be overcome. By using the Blowfish algorithm, information security in a MySQL database can be improved.
DASHBOARD MANAGEMENT PENJUALAN DAN PEMBELIAN PADA TANGKAHAN IKAN Arina Prima Silalahi; Harlen Gilbert Simanullang
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 4 No. 2 (2018): September 2018
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v4i2.63

Abstract

Technology has an important role in the implementation of human activities at this time, including in business activities. Today's technology is widely used to manage business activities with various forms of display/templates that are easy to use.Dashboards are used to display data concisely. Reports can be viewed quickly through a summary of the data displayed on the dashboard. So much data processing makes business activities that still carry out manual recording and see the report data sequence is felt to be less effective. Utilization of technology is highly needed by owners of small businesses when facing business management constraints such as a long time to manage data, loss of sales data, purchases and reports recapitulation errors. Besides, the need for fast and accurate data and information access is also needed to support and monitor business management. Based on these problems, a solution is needed to manage the overall sales and purchasing data, and display reports quickly and accurately by carrying out a study entitled "Dashboard Management of Sales and Purchases of Fish in Fish Spots".
PREDIKSI JUMLAH PASIEN COVID-19 DI INDONESIA MENGGUNAKAN LEAST SQUARE METHOD BERBASIS ANDROID Arina Prima Silalahi; Harlen Gilbert Simanullang
I N F O R M A T I K A Vol 14, No 1 (2022): MEI 2022
Publisher : STMIK DUMAI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36723/juri.v14i1.328

Abstract

Virus Corona mulai marak di akhir tahun 2019 dan diidentifikasi di Indonesia pada 2 Maret 2020. Penyebaran kasus COVID-19 semakin meluas dan cepat mengakibatkan sumber daya ahli, alat kesehatan, bahkan sampai alat pelindung diri, sarana prasarana rumah sakit, anggaran daerah tidak sebanding dengan jumlah pasien Covid-19 di Indonesia. Terjadinya permasalahan tersebut membuat pemerintah daerah, pihak rumah sakit swasta maupun negeri kesulitan memprediksi kebutuhan medis dan lainnya untuk menangani wabah ini. Solusi dari permasalahan tersebut dapat terpecahkan jika memiliki sebuah sistem yang dapat memprediksi jumlah pasien yang memiliki kemungkinan terkonfirmasi Covid-19 dengan Least Square Method. Metode ini dapat digunakan pada data pasien COVID-19 yaitu berpatokan pada data-data deret berkala yang diperoleh dari masa lampau/yang sudah lewat dan dapat dihitung secara matematik, sehingga dapat memprediksi jumlah pasien Covid-19. Dengan demikian, maka diangkat penelitian berjudul “Prediksi Jumlah Pasien Covid-19 Di Indonesia Menggunakan Least Square Method Berbasis Android”.
PEMBUATAN MEDIA PEMBELAJARAN DARING PADA MASA PANDEMI COVID-19 DI SMA MASEHI GBKP BRASTAGI, KABUPATEN KARO Surianto Sitepu; Jimmy Febrynus Naibaho; Naikson Fandier Saragih; Samuel Van Basten Manurung; Indra Kelana Jaya; Alfonsus Situmorang; Imelda Sri Dumayanti; Asaziduhu Gea; Benget Rumahorbo; Marzuki Sinambela; Yolanda Yulianti Pratiwi Rumapea; Margaretha Yohanna; Harlen Gilbert Simanullang; Dandi Daniel Siregar
Jurnal Pengabdian Pada Masyarakat METHABDI Vol 1 No 1 (2021): Jurnal Pengabdian Pada Masyarakat METHABDI
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (440.638 KB) | DOI: 10.46880/methabdi.Vol1No1.pp52-56

Abstract

Learning that uses electronic services as a tool is known in general as e-learning or LMS (Learning Management System). Training on e-learning is realized in Community Service Activities (PKM) as the implementation of the Tri Dharma of Higher Education as well as sharing and contributing ideas and transferring knowledge and technology for teachers and students at SMA Masehi GBKP, Brastagi. This service activity was carried out for a day, with material on Making Online Learning Media during the COVID-19 Pandemic. The material for the activities carried out included making online learning media using Edmodo and Easy Class. The online learning media is one of the effective solutions to facilitate online teaching and learning activities for teachers and students. His presence, which is increasingly easy to find, certainly helps teachers and students stay safe studying at home, without being limited by place and time.
MEMBANGUN APLIKASI M-NELAYAN BERBASIS ANDROID PADA DINAS KELAUTAN DAN PERIKANAN PROVINSI SUMATERA UTARA Harlen Gilbert Simanullang; Arina Prima Silalahi
Majalah Ilmiah METHODA Vol. 11 No. 1 (2021): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (753.641 KB) | DOI: 10.46880/methoda.Vol11No1.pp40-47

Abstract

Dinas Kelautan dan Perikanan merupakan instansi yang mendukung pembangunan daerah khususnya untuk mencapai daya guna dan hasil guna dalam pengolongan sumber daya kelautan dan perikanan. Namun kegiatan penyebaran info berita, cuaca, harga ikan, lokasi penyebaran ikan dan pengumuman masih dilakukan secara konvensional dan sarana untuk menyampaikan keluhan nelayan masih dilakukan dengan tatap muka sehingga membuat kegiatan penyebaran informasi menjadi terlambat dan tidak efektif. Aplikasi M-Nelayan ini dibangun dengan menggunakan pemodelan berbasis objek dengan tools Start UML. Aplikasi M-Nelayan akan terhubung dengan database server dan web server, sehingga penyampaian data atau informasi dapat dilakukan secara langsung di aplikasi M-Nelaan. Dengan adanya aplikasi M-Nelayan ini, kegiatan penyebaran berita, cuaca, harga ikan, lokasi ikan dan penyampaian keluhan akan lebih fleksibel karena dapat dilakukan kapanpun dan dimana pun. Berdasarkan hasil pengujian aplikasi yang dibangun telah mencapai tujuan yaitu untuk memudahkan Dinas Kelautan dan Perikanan bagian penyuluh menyalurkan info berita, cuaca, lokasi ikan, harga ikan dan pengumuman kepada nelayan, memudahkan nelayan dalam menyampaikan keluhan yang dialami dan memudahkan nelayan dalam memperoleh info berita, pengumuman, cuaca, harga ikan dan lokasi ikan.
Co-Authors Dandi Daniel Siregar Gea, Asaziduhu Imelda Sri Dumayanti Indra Kelana Jaya Jhon Vebrianto Girsang Jimmy F. Naibaho Lyna M. N. Hutapea Marzuki Sinambela Naikson Fandier Saragih Nogar Silitonga Rumahorbo, Benget Samuel Van Basten Manurung Silalahi, Arina Prima Surianto Sitepu Yohanna, Margaretha yolanda yulianti pratiwi rumapea Yuniman Telaumbanua