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All Journal METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Jurnal Mantik Jurnal Pengabdian Pada Masyarakat METHABDI

Samuel Van Basten Halomoan Manurung

Universitas Methodist Indonesia

Author-ID : 3998993

Religion Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Immunology & microbiology Languange, Linguistic, Communication & Media Medicine & Pharmacology Physics Public Health

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Articles

APLIKASI CRM JASA SERVIS AIR CONDITIONER PADA JAYA SERVICE BERBASIS ANDROID Samuel Van Basten Manurung; Indra M. Sarkis Simamora; Rio Aprijal Manurung; Asaziduhu Gea
METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Vol. 5 No. 1 (2021): METHOMIKA: Jurnal Manajemen Informatika & Komputersisasi Akuntansi
Publisher : Universitas Methodist Indonesia

In the current era, many Android applications have been used in the process of requesting goods or services that can facilitate activities, especially placing orders, especially in the case study below using services made by the company CV. Jaya Service, this service is difficult to promote by CV. Jaya Service because it only posts small banners on the side of the road so that the income level of this ac service does not increase or even decrease. In addition, the current process, customers always order ac service directly to the location, this takes a long time, and in the sales inspection process it becomes difficult and takes a long time. Customer relation management is needed to maximize activities or Many marketing items, sales, and sales processes are currently done automatically. Analytical customer relation management is very useful in exploiting data from customers in order to increase the quality value of the company, through a CRM business strategy that will be combined with a process, humans, with technology. assist in the process of adding customers related to sales, converting the company to permanent members, and maintaining existing permanent members, satisfied and loyal permanent members. This study aims to design a CRM Service AC Service on Android-based Jaya Service. From the results of this study, the system built can make it easier for customers to order ac service easily directly via cellphones and can provide convenience to Jaya Service in seeing incoming orders and the results of service order transactions.

Comparison of Moora, Waspas and SAW Methods in Decision Support Systems Samuel Van Basten Halomoan Manurung; Indra M Sarkis Simamora; Herlina Allagan
Jurnal Mantik Vol. 5 No. 2 (2021): Augustus: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.Vol5.2021.1266.pp207-215

Education is a process in the framework that can adapt to the environment and thus will cause changes in themselves that enable it to involve all that is in society. In this case, the process of selecting the best teachers and staff in data processing is still done manually by conducting tests through several criteria that have been made. Criteria used for the process. There are 19 criteria. The selection process carried out manually has several weaknesses so that it will result in errors in data processing. For this reason, a Decision Support System is needed that can be used in the process of selecting the best Teachers and Staff. In this study, using the calculation method calculation methods Moora, SAW, and WASPAS with scholarship recipients. The results obtained from the Moora Method are 3 (three) highest values at V1 = 1.89; V8 = 1.81; and V2 = 1.80, the SAW Method was 3 (three) highest values at V1 = 10.38; V8 = 9.90; and V2 = 9.87. The WASPAS method that 3 is highest at V1 = 5.07; V8 = 4.72; and V2 = 4.68. The system created using the SAW method because it provides the Best Alternative value and provides the best ranking results

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

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.

PENGABDIAN KEPADA MASYARAKAT MEMBANGUN MOTIVASI DAN KREATIVITAS BERBISNIS DI DESA LUMBAN PEA TIMUR KABUPATEN TOBA Anton Atno Parluhutan Sinaga; Robinhot Gultom; Sondang N. B. Marbun; Elperida J. Sinurat; Kristanty M. N. Nadapdap; Benget Rumahorbo; Nettina Samosir; Henri Saragih; Samuel V. B. H. Manurung; Maludin Panjaitan; Sahat P. Remus Silalahi; Toman Panggabean
Jurnal Pengabdian Pada Masyarakat METHABDI Vol 2 No 1 (2022): Jurnal Pengabdian Pada Masyarakat METHABDI
Publisher : Universitas Methodist Indonesia

Community Service aims to provide motivation and creativity and do business in Lumban Pea Timur Village, Toba Regency. In this case, the method used is the lecture, discussion, and question and answer method. Through this, many inputs were obtained, regarding the motives of the business being carried out, whether the business or business being carried out was the first attempt to be carried out, whether it had failed in carrying out the business and had been given training to open the business. Finally, through a question and answer session that the community is willing to do business, the motivation is high, but it is necessary to provide training to the community and assistance as well as working capital assistance to the local community.

ANALISIS SENTIMEN TERHADAP APLIKASI LINKAJA MENGGUNAKAN METODE NAÏVE BAYES CLASSIFIER Sitepu, Marheni; Yohanna, Margaretha; Manurung, Samuel Van Basten H.
METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Vol. 8 No. 1 (2024): METHOMIKA: Jurnal Manajemen Informatika & Komputersisasi Akuntansi
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/jmika.Vol8No1.pp44-50

Electronic money is increasing, causing more and more service innovations to emerge. People carry out online transactions using electronic technology, or Fintech. The fintechs widely used today are e-wallets or digital wallets such as Dana, Ovo, LinkAja, etc. In this research, LinkAja as a fintech application will be analyzed using 100 review data samples and summarized into two classes: positive and negative. This research was carried out using the Naïve Bayes Classifier classification method. Sentiment analysis of reviews on the LinkAja application obtained results of 75% accuracy, 83% Precision, 75% Recall, and 73% F1_score.

ANALISIS SENTIMEN MASYARAKAT PADA MEDIA SOSIAL PLATFORM X TERHADAP PERTAMINA MENGGUNAKAN METODE DECISION TREE Naibaho, Yksan; Darwis Robinson; Samuel VB Manurung
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 12 No. 1 (2026): Volume 12 Nomor 1 Tahun 2026
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v12i1.5419

Platform X social media has become a platform for people to express their opinions, including on issues related to Pertamina. This study aims to analyze public sentiment on Platform X towards Pertamina using the ID3 (Iterative Dichotomiser 3) algorithm-based Decision Tree method. The data used are 2,005 tweets collected with the keyword "Pertamina Corruption". The data went through a preprocessing stage which includes case folding, tokenizing, stopword removal, and stemming. Text features were converted into binary representations (Binary Weighting) of 10 main keywords such as 'corruption', 'pertamina', and 'prosecutor'. The ID3 Decision Tree model was built recursively by selecting separator attributes based on the highest Information Gain value. The results showed that the built model had excellent performance. Evaluation on testing data (20% of the total data) produced an accuracy of 98.50%, with a precision value of 97.98%, a recall of 98.50%, and an F1-score of 98.22%. The 5-fold cross-validation results also confirmed the model's stability, with an average accuracy of 98.30% and a low standard deviation (0.0046). The contains_korupsi attribute was identified as the most informative root node in the decision tree structure. The conclusion of this study is that the Decision Tree method with the ID3 algorithm has proven effective and reliable in classifying public sentiment toward Pertamina on Platform X with high accuracy. The results of this analysis are expected to be used by Pertamina in understanding public opinion and formulating more appropriate communication strategies.

Co-Authors Anton Atno Parluhutan Sinaga Dandi Daniel Siregar Darwis Robinson Elperida Juniarni Sinurat Gea, Asaziduhu Harlen Gilbert Simanullang Henri Saragih Herlina Allagan Imelda Sri Dumayanti Indra Kelana Jaya Indra M Sarkis Simamora Indra M. Sarkis Simamora Jimmy F. Naibaho Maludin Panjaitan Marzuki Sinambela Naibaho, Yksan Naikson Fandier Saragih Nettina Samosir Rio Aprijal Manurung Robinhot Gultom, Robinhot Rumahorbo, Benget Sahat P. Remus Silalahi Sitepu, Marheni Sondang N. B. Marbun Surianto Sitepu Toman Panggabean Yohanna, Margaretha yolanda yulianti pratiwi rumapea

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