Garuda - Garba Rujukan Digital

p-Index From 2019 - 2024

6.054

P-Index

This Author published in this journals

All Journal Jurnal Sains dan Teknologi Infotech Journal JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING INTECOMS: Journal of Information Technology and Computer Science KOMPUTEK Jurnal Equity Jurnal Informasi dan Teknologi Prosiding National Conference for Community Service Project Jurnal Teknologi Informasi dan Komunikasi Conference on Management, Business, Innovation, Education and Social Sciences (CoMBInES) Conference on Community Engagement Project (Concept) Conference on Business, Social Sciences and Technology (CoNeScINTech) SmartComp

Yefta Christian

Universitas Internasional Batam

Author-ID : 2557526

Aerospace Engineering Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Mechanical Engineering Social Sciences Other

Published : 46 Documents Claim Missing Document

Claim Missing Document

Articles

1 2 3 4 5

Comparison of Machine Learning Algorithms Using WEKA and Sci-Kit Learn in Classifying Online Shopper Intention Yefta Christian
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol 3, No 1 (2019): EDISI JULI
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v3i1.2599

The growth of online stores nowadays is very rapid. This is supported by faster and better internet infrastructure. The increasing growth of online stores makes the competition more difficult in this business field. It is necessary for online stores to have a website or an application that is able to measure and classify consumers’ spending intentions, so that the consumers will have eyes on things on the sites and applications to make purchases eventually. Classification of online shoppers’ intentions can be done by using several algorithms, such as Naïve Bayes, Multi-Layer Perceptron, Support Vector Machine, Random Forest and J48 Decision Trees. In this case, the comparison of algorithms is done with two tools, WEKA and Sci-Kit Learn by comparing the values of F1-Score, accuracy, Kappa Statistic and mean absolute error. There is a difference between the test results using WEKA and Sci-Kit Learn on the Support Vector Machine algorithm. Based on this research, the Random Forest algorithm is the most appropriate algorithm to be used as an algorithm for classifying online shoppers’ intentions.

Usage of Blockchain to Ensure Audit Data Integrity Tony Wibowo; Yefta Christian
EQUITY Vol 24, No 1 (2021): EQUITY
Publisher : Fakultas Ekonomi dan Bisnis UPN "Veteran" Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34209/equ.v24i1.2357

Usage of technology to help finance audit process is not a new instance. But since the rise of 4th industrial revolution and emergence of smart technology relatively in a short period of time, adopting technology have its challenges and drawbacks. Data Integrity has been an issue for finance audit process because digital data is easy to tamper. This condition makes audit process become difficult and potential of audit fraud is high. In this study we would like to explore usage blockchain technology as future database engine for AIS. Blockchain as a technology relatively unheard before cryptocurrency albeit its advanced technology in data storage to ensure data integrity. We will explore the advantages and risk in adopting blockchain as well as current state of academics and technology regarding blockchain adoption.

Perancangan Aplikasi Directory Berbasis Hybrid Dengan Metode Scrum (Case: Grand Batam Mall) Yusuf; Yefta Christian
JURNAL TEKNOLOGI INFORMASI DAN KOMUNIKASI Vol 13 No 1 (2022): Maret
Publisher : UNIVERSITAS STEKOM

Pada kota besar, ukuran mal yang besar menyebabkan masyarakat kesulitan dalam mencari store yang ingin dituju sehingga dibutuhkannya sebuah aplikasi directory yang dapat diandalkan. Aplikasi directory dikembangkan berbasis hybrid dengan menggunakan metode scrum. Hybrid merupakan aplikasi yang dibangun menggunakan teknologi standar web seperti HTML, CSS, dan JavaScript. Untuk meningkatkan kualitas sistem, metode scrum dimanfaatkan sehingga mampu menghasilkan sistem yang bernilai maksimum. Tahapan yang dilakukan dalam merancang sistem dimulai dari pengumpulan data, mengidentifikasikan masalah, menganalisa kebutuhan user, melakukan perancangan aplikasi, dan implementasi sistem. Hasil dari penelitian menyimpulkan bahwa metode scrum dapat mempermudah dalam perancangan aplikasi dengan tepat waktu dan sasaran

Web-Based Chatbot with Natural Language Processing and Knuth-Morris-Pratt (Case Study: Universitas Internasional Batam) Yefta Christian; Meiliverani Erline
JST (Jurnal Sains dan Teknologi) Vol. 11 No. 1 (2022)
Publisher : Universitas Pendidikan Ganesha

Sebagai sebuah institusi pendidikan, akan banyak orang yang mencari informasi tentang Universitas Internasional Batam (UIB), baik itu mahasiswa, alumni, calon mahasiswa, rekan kerja, maupun masyarakat luas. Saat ini layanan informasi di UIB masih dilakukan secara manual oleh manusia atau melalui website. Pengguna perlu melakukan beberapa langkah dengan menggunakan fitur pencarian berbasis teks. Penelitian ini dilakukan untuk membangun sistem chatbot berbasis web dengan menerapkan pendekatan NLP dan dilengkapi dengan algoritma KMP. Penelitian ini menggunakan teknik web scraping untuk mengumpulkan dan mengekstrak data yang dibutuhkan dari situs resmi UIB sebelum diolah menggunakan pendekatan Natural Language Processing dan algoritma knuth-morris-pratt. Chatbot dibangun menggunakan bahasa pemrograman Python dengan harapan dapat menjawab pertanyaan dengan benar secara real-time dan memudahkan pengguna untuk mendapatkan informasi tanpa harus kuliah. Dataset pelatihan chatbot terdiri dari 193 pertanyaan dan pernyataan yang dikelompokkan ke dalam 18 tag. Sedangkan teknik Black Box Testing diimplementasikan untuk pengujian chatbot menggunakan 100 soal. Chatbot berbasis web ini berhasil dibangun dengan tingkat akurasi 86% dalam menjawab pertanyaan pengguna.

BELAJAR BAHASA INGGRIS DITENGAH ISU RASISME MELALUI MEDIA WEBSITE Yefta Christian; Robin Robin; Lenny Julyanti; Claudia Theophilia; Ferdinand William; Kevin Kevin; Michelle Febri Soegianto; Gracella Tandiono; Jeslyn Teo; Sani Kurnia; Vincent Gonawan
National Conference for Community Service Project (NaCosPro) Vol 2 No 1 (2020): The 2nd National Conference of Community Service Project 2020 (Accepted Papers)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/nacospro.v2i1.1205

Batam City is an archipelago that is directly adjacent to Singapore and Malaysia, so English is an important language to learn. Also, English language education during schooling is uneven. The result is that not all people who are looking for work in Batam City can speak English fluently and fluently. Some of them are affected by discrimination, they can meet the requirements, but constrained in English. This program is designed to learn English through online media. The method used is a website platform that contains materials with a 5 Whys approach. The survey results show that the inability to speak English has become part of the discrimination and subject job seekers to considerable difficulties. So, the English learning program through this website platform helps the learning process of English independently and improves competence in English.

Penerapan Pemasaran Digital Bagi Pengembangan Bisnis Umkm Ngombe Kopi Kota Batam Yefta Christian; Vira Vira; Fiona Vinelia; Germent Basri; Lusiana Lusiana; Julia Christini; Felix Filbert; Jeny Jeny
National Conference for Community Service Project (NaCosPro) Vol 3 No 1 (2021): The 3rd National Conference of Community Service Project 2021
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/nacospro.v3i1.5957

Seluruh negara di dunia sedang menghadapi pandemi Covid-19, termasuk Indonesia. Hal tersebut memberi dampak negatif pada keseluruhan sektor, terutama bidang ekonomi. Kondisi dunia seperti itu membatasi aktivitas masyarakat seluruh dunia termasuk Kota Batam hanya dalam rumah. Dengan adanya perkembangan dalam inovasi teknologi digital dalam beberapa tahun terakhir, kegiatan keseharian manusia mulai terbantu oleh teknologi-teknologi tersebut. Salah satu kegiatan tersebut adalah bidang pemasaran yang diterapkan oleh UMKM. Kegiatan ini membahas tentang penerapan pemasaran digital bagi UMKM Ngombe Kopi untuk meningkatkan pencapaian impresi pada masyarakat umum melalui sosial media dan mencapai peningkatan penjualan. Metode penelitian yang digunakan dalam penelitian ini adalah dengan pendekatan metode deskriptif kuantitatif. Hasil pelaksanaan kegiatan ini mencakup pengoptimalan media sosial (Instagram) melalui penerapan konten inovatif dengan kreasi company profile, post dan story feeds, penambahan fasilitas Board Games, melakukan Rebranding dan mengikuti tren terkini

EMPATI DALAM RASISME DENGAN METODE DESIGN THINKING Yefta Christian; Robin Robin; Sandy Tio; Ridho Kurnia; Nanda Silvia Sovitasari; Vigho raziansyah; Steven Steven; Rizki Alamsyah; Vani Andini; Joana Stefhanie Saliama
National Conference for Community Service Project (NaCosPro) Vol 2 No 1 (2020): The 2nd National Conference of Community Service Project 2020 (Accepted Papers)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/nacospro.v2i1.1206

Racism has always been something we have fought against as a trigger for the division. We live in an area with a variety of ethnicities, races, cultures, and skin colors. In Batam City, there are still many minorities who are affected by racism, especially students. There are many problems that arise as a result of racism, which is more specifically discussed about skin color. So far, skin color has become very controversial because white people feel superior to black people so that social inequality and discrimination are very visible. The method used is the concept of design thinking by making videos and distributing them to students affected by racism. The results obtained from the respondents show that through design thinking, this video provides educational value to students to value and respect diversity. So that there is no difference between whites and blacks because we have the same language, namely Indonesian.

PEMBELAJARAN BAHASA INGGRIS SECARA DARING MELALUI YOUTUBE Yefta Christian; Robin Robin; Moh Fariq Aziz; Rara Tri Kencana; Ricky Rickena Exendy; Ronny Triputra; Santo Tjiam; Tina Rani; Utari Afnesia
National Conference for Community Service Project (NaCosPro) Vol 2 No 1 (2020): The 2nd National Conference of Community Service Project 2020 (Accepted Papers)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/nacospro.v2i1.1217

English subjects have become part of the established curriculum. Especially for Junior High School and Senior High School levels in Batam City, English is useful as one of the soft skills needed today. However, the problem that arises is that not all students can use English well and fluently. The program offered for this problem is online learning. Students can study independently with materials that can upload via Youtube. The results obtained were students responded well to the materials uploaded on Youtube, so that they could improve their English skills.

Perancangan Strategi Pemasaran Digital Pada Umkm Jhn Shop Yefta Christian; Valencia Valencia; Fionna Quinn; Calvin Wijaya; Dewi A. Chandra; Eric Pranata; Kelvin Aryesryo; Vivy Valentine
National Conference for Community Service Project (NaCosPro) Vol 3 No 1 (2021): The 3rd National Conference of Community Service Project 2021
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/nacospro.v3i1.5956

UMKM JHN Shop merupakan usaha yang bergerak di bidang barang dan jasa elektronik, yang fokus produknya berupa aksesoris handphone. Menurut hasil observasi dan wawancara, UMKM JHN Shop mengalami penurunan dalam penjualan akibat pandemi Covid-19 dan tidak adanya upaya pemasaran selama enam tahun usahanya berjalan. Observasi dilakukan dengan mengamati kondisi lingkungan sekitar lokasi usaha UMKM, yaitu Mall BCS. Sedangkan wawancara dilakukan secara langsung dan online melalui aplikasi Line dengan perwakilan UMKM. Untuk mengatasi permasalahan tersebut, akun media sosial dan strategi pemasaran dibuat. Luaran yang dihasilkan dari proyek ini adalah logo UMKM, template feeds, akun Instagram dan e-commerce Shopee, serta brosur digital. Hasil dari implementasi proyek ini adalah peningkatan penjualan produk UMKM melalui Instagram dan peningkatan jumlah pengikut akun Instagram UMKM. Proyek dan artikel ini diharapkan dapat membantu UMKM JHN Shop maupun pembaca dalam mengembangkan pemasaran dalam UMKM agar dapat meningkatkan perekonomian daerah

Predicting Consumer Interest in All You Can Eat Restaurants with Gradient Boosting Algorithm Yefta Christian
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol 6, No 1 (2022): Issues July 2022
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v6i1.7209

The rise of businesses in the food industry makes industry players think creatively. One of the trends in this industry is the “All You Can Eat” restaurant with its various variations. This type of restaurant is considered capable of being an attraction for consumers because consumers can eat every dish as much as they want without a limit on the amount. However, it is difficult to map out the factors that make consumers want to come back to the restaurant. This research will build a web application with machine learning features using the Gradient Boosting algorithm that can map whether consumers will come back or not, so that restaurant businesses can use this application to continuously improve the performance of their restaurants.

Co-Authors Alvin Matthew Pratama Amir Amir Arbiwijaya Kwek Brohns Jaffrey Calvin Wijaya Chris Tan Cindy Juliandry Claudia Theophilia Denissa Denissa Denny Alfath Dewi A. Chandra Edi Yanto Eric Eric Eric Pranata Felix Filbert Ferdinand William Fiona Vinelia Fionna Quinn Frenda Ang Germent Basri Gracella Tandiono Hansvirgo Hansvirgo Hengky Hengky Heri Heri Jacky Jacky Jeny Jeny Jerry Jerry Jeslyn Teo Jesselyn Jesselyn Jevin Leon Jimmy Jimmy Joana Stefhanie Saliama Julia Christini Katherine Oktaviani Yap Rui Qi Kelvin Aryesryo Kelvin Kelvin Kevin Kevin Kurt Juriant Tan Lenny Julyanti Lusiana Lusiana Marcellino Marcellino Meiliverani Erline Michael Michael Michelle Febri Soegianto Moh Fariq Aziz Muhammad Jufri Muhammad Yusuf Zhafran Nanda Silvia Sovitasari Nicholas Jeonanto Olwin Olwin Putra Agung Winata Rara Tri Kencana Ricky Rickena Exendy Ricky Ricky Ridho Kurnia Rizki Alamsyah Robin Robin Ronny Triputra Sandy Tio Sani Kurnia Santo Tjiam Stevantinus Stevantinus Steven Steven Suryani Huang Tina Rani Tony Wibowo Utari Afnesia Valencia Valencia Vani Andini Vigho raziansyah Vincent Gonawan Vincent Wijaya Vira Vira Vivy Valentine Yanto Yanto Yusuf Yusuf Yusuf

Title

Found 46 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 46 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 46 Documents
Search