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• Analysis and Design of Web-based Information System for Coffeeshop Management using Design Thinking Methodology: Case of Kopi KurangLebih

  Gilberto Dennis G E Sidabutar ⁽¹⁾ , Jesslyn Alvina Seah ⁽²⁾ , Yerik Afrianto Singgalen ⁽³⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia

  217-231

  2023-03-05

  DOI : 10.51519/journalisi.v5i1.455

  Abstract View : 8969

  Download PDF downloads: 3438
• Hotel Guest Length of Stay Prediction Using Random Forest Regressor

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  3016-3034

  2024-12-31

  DOI : 10.51519/journalisi.v6i4.959

  Abstract View : 4218

  Download PDF downloads: 1459
• Analisis Sentimen dan Pemodelan Topik dalam Optimalisasi Pemasaran Destinasi Pariwisata Prioritas di Indonesia

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  459-470

  2021-10-21

  DOI : 10.51519/journalisi.v3i3.171

  Abstract View : 8901

  Download PDF downloads: 4675
• Analysis and Design of Digital Marketing Information System for Building Material Store

  Elfin Saputra ⁽¹⁾ , Bernardus Alvin Rig ⁽²⁾ , Octa Hutapea ⁽³⁾ , Radyan Rahmananta ⁽⁴⁾ , Agung Mulyadi Purba ⁽⁵⁾ , Yerik Afrianto Singgalen ⁽⁶⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (4) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (5) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (6) Atma Jaya Catholic University of Indonesia , Indonesia

  887-901

  2023-08-29

  DOI : 10.51519/journalisi.v5i3.519

  Abstract View : 5668

  Download PDF downloads: 1792
• An Evaluation of Control Objective for Information Related Technology (COBIT) 4.0 or 4.1: Systematic Literature Review

  Yan Dirk Wabiser ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Universitas Cendrawasih , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  300-320

  2022-06-03

  DOI : 10.51519/journalisi.v4i2.255

  Abstract View : 7743

  Download PDF downloads: 2804
• Enhancing Website Management Through Expertise and Rapid Application Development Frameworks

  Eko Widodo ⁽¹⁾ , Ruben William Setiawan ⁽²⁾ , Muhamad Nur Agus Dasra ⁽³⁾ , Yerik Afrianto Singgalen ⁽⁴⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (4) Atma Jaya Catholic University of Indonesia , Indonesia

  781-796

  2024-06-13

  DOI : 10.51519/journalisi.v6i2.725

  Abstract View : 5247

  Download PDF downloads: 1408
• Analysis and Design of Morotai Tourism Village Information System (SIDEWITA) Based on Local Wisdom of Tokuwela and Babari Tradition

  Stephen Aprius Sutresno ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  174-185

  2023-03-03

  DOI : 10.51519/journalisi.v5i1.441

  Abstract View : 5401

  Download PDF downloads: 1923
• Sentiment Analysis and Trend Mapping of Hotel Reviews Using LSTM and GRU

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  2814-2836

  2024-12-31

  DOI : 10.51519/journalisi.v6i4.926

  Abstract View : 4421

  Download PDF downloads: 1971
• Pemilihan Metode dan Algoritma dalam Analisis Sentimen di Media Sosial : Sistematic Literature Review

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  278-302

  2021-06-25

  DOI : 10.33557/journalisi.v3i2.125

  Abstract View : 22212

  Download PDF downloads: 10544
• Point of Sales (POS) System Design using Design Thinking Framework for Motorcycle Workshop

  Billy Macarius Sidhunata ⁽¹⁾ , Michael Kenang Gabbatha ⁽²⁾ , Nicolas Arya Nanda Susilo ⁽³⁾ , Pedro Manuel Lamberto Buu Sada ⁽⁴⁾ , Biafra Daffa Farabi ⁽⁵⁾ , Samuel Piolo ⁽⁶⁾ , Yerik Afrianto Singgalen ⁽⁷⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (4) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (5) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (6) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (7) Atma Jaya Catholic University of Indonesia , Indonesia

  874-886

  2023-08-29

  DOI : 10.51519/journalisi.v5i3.515

  Abstract View : 6562

  Download PDF downloads: 3641
• Strategic Planning of Ecotourism Management System Using Ward and Peppard Framework

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  216-232

  2022-06-03

  DOI : 10.51519/journalisi.v4i2.245

  Abstract View : 6640

  Download PDF downloads: 2531
• Coral Database and Monitoring System Design for Ecological Sustainability

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  270-289

  2024-03-24

  DOI : 10.51519/journalisi.v6i1.651

  Abstract View : 5069

  Download PDF downloads: 1294
• Strategic Planning of Morotai Tourism Village Information System (SIDEWITA) Using Ward and Peppard Method

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  134-149

  2023-03-03

  DOI : 10.51519/journalisi.v5i1.442

  Abstract View : 5400

  Download PDF downloads: 1833
• Exploring the Digital Narratives in Tourism and Culture through The Case of Rambu Solo: Sentiment, Toxicity, and Content Analysis

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  1900-1930

  2024-09-24

  DOI : 10.51519/journalisi.v6i3.836

  Abstract View : 4226

  Download PDF downloads: 1140
• Sentiment Analysis of Raja Ampat Tourism Destination Using CRISP-DM: SVM, NBC, DT, and k-NN Algorithm

  Astuti Kusumawicitra Laturiuw ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  518-535

  2023-05-13

  DOI : 10.51519/journalisi.v5i2.490

  Abstract View : 6521

  Download PDF downloads: 2205
• Analysis and Design of Mangrove Ecotourism Management System (SIMANGROVE) of Dodola Island, Morotai Island Regency, Indonesia

  Heru Prasadja ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  191-204

  2022-06-02

  DOI : 10.51519/journalisi.v4i2.243

  Abstract View : 6883

  Download PDF downloads: 2508
• Analysis and Design of Natural Spring Water Preservation and Monitoring System Using Rapid Application Development

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  118-135

  2024-03-23

  DOI : 10.51519/journalisi.v6i1.646

  Abstract View : 6081

  Download PDF downloads: 1527
• Analysis and Design of Regional Tourism Information System “SIPARDA” of Morotai Island Regency

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  849-863

  2022-11-14

  DOI : 10.51519/journalisi.v4i4.328

  Abstract View : 5577

  Download PDF downloads: 4066
• Evaluating Digital Narratives in Heritage Tourism and Museum: Content Analysis, Toxicity Score, and Sentiment Classification Trough SVM and SMOTE

  Gasper Tabuni ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Baliem Papua University , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  1822-1851

  2024-09-23

  DOI : 10.51519/journalisi.v6i3.834

  Abstract View : 4591

  Download PDF downloads: 1034
• Strategic Planning for Student Guidance Information System Design in Tourism Department using Ward and Peppard Framework

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  481-496

  2023-05-13

  DOI : 10.51519/journalisi.v5i2.486

  Abstract View : 5334

  Download PDF downloads: 2004
• Tourism Infrastructure Development and Transformation of Vegetation Index in Dodola Island of Morotai Island Regency

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  130-144

  2022-03-25

  DOI : 10.51519/journalisi.v4i1.230

  Abstract View : 7734

  Download PDF downloads: 2417
• Analysis and Design of Marine Tourism Information System Using Rapid Application Development

  Titis Puspitarini ⁽¹⁾ , Henoch Juli Christanto ⁽²⁾ , Yerik Afrianto Singgalen ⁽³⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia

  83-102

  2024-03-23

  DOI : 10.51519/journalisi.v6i1.645

  Abstract View : 5857

  Download PDF downloads: 6518
• Sentiment Analysis of Customer Feedback Reviews Towards Hotel’s Products and Services in Labuan Bajo

  Henoch Juli Christanto ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  805-822

  2022-11-14

  DOI : 10.51519/journalisi.v4i4.294

  Abstract View : 8296

  Download PDF downloads: 2941
• Unveiling Indonesia's New Capital: A Digital Content Analysis of Tourism Narratives

  Gasper Tabuni ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Baliem Papua University , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  1677-1703

  2024-09-17

  DOI : 10.51519/journalisi.v6i3.837

  Abstract View : 4360

  Download PDF downloads: 1130
• Digital Innovation Design of Tourism Destination Marketing Website Using Design Thinking Method

  Stephen Aprius Sutresno ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  428-444

  2023-05-12

  DOI : 10.51519/journalisi.v5i2.464

  Abstract View : 7762

  Download PDF downloads: 3862
• Digital Mapping of Fermented Foods for the Advancement of Gastronomy Tourism in Indonesia

  Yerik Afrianto Singgalen ⁽¹⁾ , Dorien Kartikawangi ⁽²⁾ , Birgitta Narindri Rara Winayu ⁽³⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia

  999-1022

  2025-06-20

  DOI : 10.51519/journalisi.v7i2.1055

  Abstract View : 2900

  Download PDF downloads: 977
• Priority Analysis of Mangrove Guraping Ecotourism Development Based on Spatial Data Using Process Hierarchy Analysis

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  1-15

  2022-03-15

  DOI : 10.51519/journalisi.v4i1.217

  Abstract View : 6568

  Download PDF downloads: 2564
• Analysis and Design of Information System for Parking Management “ParkHere” Using Design Thinking Method

  Richard Emmanuel Adrian Sinaga ⁽¹⁾ , Jonathan Tristan Santoso ⁽²⁾ , Irene Sonbay ⁽³⁾ , Aloisius Gita Nathaniel ⁽⁴⁾ , Faskalis Halomoan Lichkman Manurung ⁽⁵⁾ , Yerik Afrianto Singgalen ⁽⁶⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (4) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (5) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (6) Atma Jaya Catholic University of Indonesia , Indonesia

  1033-1043

  2023-08-31

  DOI : 10.51519/journalisi.v5i3.520

  Abstract View : 5895

  Download PDF downloads: 1683
• Strategic Planning of Regional Tourism Information System of Morotai Island Regency using Ward and Peppard Framework

  Eko Widodo ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Faculty of Business Administration and Communication, Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Faculty of Business Administration and Communication, Atma Jaya Catholic University of Indonesia , Indonesia

  556-573

  2022-09-01

  DOI : 10.51519/journalisi.v4i3.282

  Abstract View : 3507

  Download PDF downloads: 2272
• Understanding Visitor Sentiment of Batu Cave Destination through TripAdvisor and Vlogger Content Reviews

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  899-918

  2024-06-13

  DOI : 10.51519/journalisi.v6i2.743

  Abstract View : 5098

  Download PDF downloads: 1695
• Analysis and Design of Student Guidance Information System through Software Development Life Cycle (SDLC) and Waterfall Model

  Henoch Juli Christanto ⁽¹⁾ , Yerik Afrianto Singgalen ⁽²⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia

  259-270

  2023-03-06

  DOI : 10.51519/journalisi.v5i1.443

  Abstract View : 15330

  Download PDF downloads: 6506
• Social Media Management System for Educational Promotion

  Yerik Afrianto Singgalen ⁽¹⁾ , Dorien Kartikawangi ⁽²⁾ , Birgitta Narindri Rara Winayu ⁽³⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia

  779-804

  2025-03-26

  DOI : 10.51519/journalisi.v7i1.1052

  Abstract View : 3332

  Download PDF downloads: 969
• Perkembangan Riset Desain Sistem Informasi Menggunakan Pendekatan Terstruktur : Sistematic Literature Review

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  557-581

  2021-12-28

  DOI : 10.51519/journalisi.v3i4.205

  Abstract View : 13089

  Download PDF downloads: 6668
• Elevating 'TutorYuk' Online Peer Tutoring Services Through Information System: A Design Thinking Framework Approach

  Jesslyn Alvina Seah ⁽¹⁾ , Gilberto Dennis G E Sidabutar ⁽²⁾ , Rafael Christian ⁽³⁾ , Siemens Benyamin Tjhang ⁽⁴⁾ , Yoel Kristian ⁽⁵⁾ , Yerik Afrianto Singgalen ⁽⁶⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (2) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (3) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (4) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (5) Atma Jaya Catholic University of Indonesia , Indonesia ,

  (6) Atma Jaya Catholic University of Indonesia , Indonesia

  956-970

  2023-08-29

  DOI : 10.51519/journalisi.v5i3.523

  Abstract View : 5085

  Download PDF downloads: 1409
• Sentiment Analysis on Customer Perception towards Products and Services of Restaurant in Labuan Bajo

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  511-523

  2022-09-01

  DOI : 10.51519/journalisi.v4i3.276

  Abstract View : 7147

  Download PDF downloads: 3337
• Analyzing an Interest in GPT 4o through Sentiment Analysis using CRISP-DM

  Yerik Afrianto Singgalen ⁽¹⁾

  (1) Atma Jaya Catholic University of Indonesia , Indonesia

  882-898

  2024-06-13

  DOI : 10.51519/journalisi.v6i2.740

  Abstract View : 5405

  Download PDF downloads: 1349