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All Journal Journal of Humanities and Social Studies Jurnal Ilmiah Akuntansi Kesatuan Journal of Business, Management and Social Studies Journal of Mutidisciplinary Issues Jurnal Sipakatau
Princes, Elfindah
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Camping Site Recommendation System Using Collaborative Filtering Method on Campsite Indonesia Mobile Application Cakrawala, Emerald Shan; Princes, Elfindah
Jurnal Ilmiah Akuntansi Kesatuan Vol. 13 No. 6 (2025): JIAKES Edisi Desember 2025
Publisher : Institut Bisnis dan Informatika Kesatuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37641/jiakes.v13i6.4525

Abstract

Information overload in tourism applications poses significant challenges for users selecting relevant destinations from numerous options. This research implements Collaborative Filtering (CF) to address information overload in the Campsite Indonesia mobile application, where users face difficulties choosing from 246 camping locations. Three CF variants are evaluated: User-Based CF, Item-Based CF, and Hybrid Collaborative Filtering. The dataset comprises 746 users, 246 camping locations, 350 explicit feedback interactions (likes), and 7,306 implicit feedback interactions (views) from August 2022 to July 2025, with 94.05% sparsity in the user-item interaction matrix. The research employs CRISP-DM methodology encompassing data preparation, modeling, evaluation, and deployment phases. Experimental results demonstrate that Item-Based CF achieves superior performance with Hit Rate@10 of 0.2222 and NDCG@10 of 0.0743, significantly outperforming User-Based CF (HR@10: 0.0556, NDCG@10: 0.0215) and Hybrid CF (HR@10: 0.0000, NDCG@10: 0.0000). Item-Based CF also exhibits the highest coverage (41.10%) with 60 unique recommended locations. The system is deployed through a Flask-based REST API server with five endpoints for recommendation scenarios. This research contributes domain-specific insights for camping location recommendations in developing countries. 
Beyond Formal Contractualism: Legal Protection, Digital Control, and Tripartite Outsourcing Employment Relationships in Indonesia through Supreme Court Decision No. 14 K/Pdt.Sus-PHI/2025 Princes, Elfindah; Adams, Richard C.
Jurnal Sipakatau: Inovasi Pengabdian Masyarakat Vol. 3 No. 4 (2026): Jurnal Sipakatau
Publisher : PT. Global Research Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66314/sipakatau.v3i4.757

Abstract

This article examines legal protection in Indonesia’s tripartite outsourcing employment relationships, focusing on the distribution of responsibility among workers, labor suppliers, and user companies. It argues that legal problems in outsourcing arise not only from formal contractual structures but also from substantive control exercised in practice, including through digital and technology-mediated supervision. In many contemporary arrangements, workers are formally employed by vendors while user companies exercise operational authority via attendance applications, digital task allocation, performance dashboards, and biometric monitoring. This development complicates the traditional distinction between formal employer and actual controller of work. Using normative legal research and focusing on Supreme Court Decision No. 14 K/Pdt.Sus-PHI/2025, the article analyzes Indonesia’s post-Cipta Kerja labor law framework. It identifies major legal obstacles: normative ambiguity, the gap between formal employment and factual control, weak protection of workers’ normative rights, and uncertainty in allocating responsibility between vendors and user companies. The article argues that an ideal legal protection model should be balanced and proportionate for all legal subjects involved, including clearer limits on outsourceable work, stronger oversight, legal certainty for user companies, and recognition of digital control as an indicator of substantive responsibility. This article contributes to labor law scholarship by reconstructing legal protection beyond formal contractualism and integrating technological realities into legal assessment.
Co-Authors Abdinagoro, Sri Bramantoro Adams, Richard C. Adler Haymans Manurung Amini, Nuzulia Bambang Setiono Cakrawala, Emerald Shan Erlis, Erlis Firmansyah, Fatah Panji Idris Idris Oetama, Raymond Sunardi Pangaribuan, Christian Haposan Romprasert, Suppanunta Setiawan, Johan Silalahi, Wilma Soeryanto, Novianti Yosevine, Prisca