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All Journal Teknotan: Jurnal Industri Teknologi Pertanian OPSI Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri CITIZEN: Jurnal Ilmiah Mulitidisiplin Indonesia
Yun Prihantina Mulyani
Industrial Engineering Program, Mechanical And Industrial Engineering Department, Universitas Gadjah Mada Jl. Grafika 2, Yogyakarta
Religion Humanities Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Social Sciences Other

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The Forty-year History of Revenue Management: Bibliometric Analysis Yun Prihantina Mulyani
OPSI Vol 14, No 1 (2021): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v14i1.4677

Abstract

This paper presents research trends, leading publishers, influential articles, and shifting concerns in the field of Revenue Management for over forty years based on bibliometric analysis. Bibliometric data was retrieved from Web of Science core collection with a well-defined strategy. The data was processed using Network Analysis Interface for Literature Studies Project scripts. Subject-wise and year-wise research trends were presented. The shifting concerns in RM in terms of topic, method, and domain were highlighted using keyword analysis. In general, RM showed an increasing number of published papers with exponential manner every year. The research core in RM covered the three major decisions in RM including pricing, quantity control, and structural decision. It was highlighted that RM’s concern has shifted from single-firm decision to be more consumer- and competition-centric. The data showed that the needs of empirical study and more advanced quantitative methods for complex and real-time problems were urged. In addition, the adoption of RM was extended for industries with semi-flexible capacity. The top influential publishers were Decision Sciences, Operations Research, Management Science, and Management Science Manufacturing & Service Operations Management.
Integrated Woodencraft Cluster : Program Akselerasi Usaha Kecil dan Menengah (UKM) Go International sebagai Upaya Pemberdayaan UKM Potensial Yogyakarta Ismianti Ismianti; Yun Prihantina Mulyani; Rasyid Halimi; Oktiyanto Ade Saputro
OPSI Vol 12, No 2 (2019): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (571.878 KB) | DOI: 10.31315/opsi.v12i2.3119

Abstract

Small and Medium Enterprises (SMEs) have a very important role in the development of the Indonesian economy. Special Region of Yogyakarta (DIY) is one of the provinces that has many SMEs. The SMEs has the potential to penetrate the international market, one of which is a wooden handicraft SMEs. Woodencraft can be used as a cluster because it fulfills three factors that enable it to compete in the international market, namely the factor of global market needs, the factor of superior products, and potential SME product factors. However, woodencraft SMEs still face obstacles in product penetration abroad, namely obstacles from internal SMEs, the government, and international markets. The solution offered to help woodencraft SMEs to go international a program called Integrated Woodencraft Cluster, which is a cluster of woodencraft SMEs that integrates supply chain management (SCM) based distribution systems with four main lines (suppliers, production, sales, and information), internet-based information systems, and Just In Time (JIT) principle. The program involves local government, civil service, wood handicraft SMEs, suppliers of raw materials, and academics. The advantages of Integrated Woodencraft Clusters compared to conventional clusters include having a clear vision for exporting production, a structured managerial system, having an export agency, supplying raw materials, clear lines of information, and being able to facilitate all SME woodencraft, both on a small scale and intermediate.
Bayesian-based Project Monitoring: Framework Development and Model Testing Budi Hartono; Riesa Ayuningtyas; Yun Prihantina Mulyani
Jurnal Teknik Industri Vol. 17 No. 2 (2015): DECEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (477.585 KB) | DOI: 10.9744/jti.17.2.61-70

Abstract

During project implementation, risk becomes an integral part of project monitoring. Therefore. a tool that could dynamically include elements of risk in project progress monitoring is needed. This objective of this study is to develop a general framework that addresses such a concern. The developed framework consists of three interrelated major building blocks, namely: Risk Register (RR), Bayesian Network (BN), and Project Time Networks (PTN) for dynamic project monitoring. RR is used to list and to categorize identified project risks. PTN is utilized for modeling the relationship between project activities. BN is used to reflect the interdependence among risk factors and to bridge RR and PTN. A residential development project is chosen as a working example and the result shows that the proposed framework has been successfully applied. The specific model of the development project is also successfully developed and is used to monitor the project progress. It is shown in this study that the proposed BN-based model provides superior performance in terms of forecast accuracy compared to the extant models.
Pengembangan Sistem Klasifikasi Non-Destruktif Pembusukan Buah Salak Berbasis Sensor Warna dan Aroma Fahrurozi, Muh; Ushada, Mirwan; Mulyani, Yun Prihantina
Teknotan: Jurnal Industri Teknologi Pertanian Vol 18, No 3 (2024): TEKNOTAN, Desember 2024
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pemanfaatan teknologi dalam industri pertanian di Indonesia secara umum masih sangat minim khususnya di kalangan petani buah salak. Hal ini menyebabkan hasil produksi kurang optimal terutama pada proses pemisahan buah berdasarkan kualitas. Secara visual, kulit buah salak matang umumnya tidak mudah berubah warna, namun seringkali daging di dalamnya sudah mulai membusuk. Akibatnya, petani harus menyiapkan tenaga tambahan untuk melakukan pemilahan buah, yang mana hal ini sangat tidak efisien dan efektif. Untuk mempermudah, teknologi otomasi dapat digunakan dengan sistem kalibrasi sensor. Penelitian ini memperkenalkan metode baru untuk deteksi dini pembusukan buah salak, berdasarkan warna dan kandungan gas (amonia) tanpa kontak fisik langsung dengan buah. Prinsip dan Praktik Rekayasa Sistem dipilih sebagai metode pengembangan sistem, dan decision tree sebagai model algoritmanya. Sebanyak 60 kumpulan data yang digunakan untuk melatih dua kelas sistem yaitu matang dan busuk, dan 30 kumpulan data digunakan untuk menguji sistem. Hasil pengujian kemudian dievaluasi dengan confusion matrix. Hasil uji menunjukkan bahwa sistem mempunyai nilai presisi untuk prediksi salak busuk sebesar 88%, recall sebesar 93%, serta tingkat akurasi sebesar 90%. Oleh karena itu, secara evaluasi kinerja, performa sistem yang dibuat cukup handal dalam mendeteksi dini kebusukan buah salak secara non destruktif. Berdasarkan tingkat kriteria ROC Curve, performansi sistem berada di antara kriteria excellent dan good classification.
An opportunity identification framework based on Topic Modeling and Sentiment Analysis for muslim-friendly hotels using textual reviews Mulyani, Yun Prihantina; Arini, Hilya Mudrika; Dewi, Vira Laksita; Rostiani, Rokhima; Sunarharum, Tri Mulyani; Harefa, Wira Dranata; Rivadeneira , Lucía
OPSI Vol 18 No 1 (2025): OPSI - June 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i1.14786

Abstract

Muslim-friendly hotels still lack consensus on operational standards. The operational standards have been extensively studied theoretically and empirically. However, the previous methods show some drawbacks, such as the credibility of the respondent's answers, bias, subjectivity, and small samples. Customer textual reviews have recently attracted to be utilized to capture the dynamics of customer needs. This present study introduces a framework based on topic modeling, sentiment analysis, and a modified opportunity algorithm applicable to textual data. The framework can be used to identify customer needs, and direction for product or service improvement in which competitors are taken into account. This present study utilized Tripadvisor data. Seventeen Islamic attributes have been identified from textual reviews. The framework has been applied to formulate a service improvement strategy for hotels in Moslem-dominated countries.
Faktor-Faktor Yang Mempengaruhi Green Purchase Intention: Tinjauan Integratif Terhadap Beberapa Jenis Produk Rifiansyah, Al Kahfi Briyan; Mulyani, Yun Prihantina
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 5 No. 4 (2025): CITIZEN: Jurnal Ilmiah Multidisiplin Indonesia
Publisher : DAS Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53866/jimi.v5i4.941

Abstract

Penelitian ini bertujuan untuk mendeskripsikan strategi yang digunakan oleh guru mata pelajaran Bahasa Indonesia dalam mengatasi kesulitan fokus belajar siswa sekolah menengah kejuruan di Kota Cirebon. Masalah kurangnya fokus belajar menjadi tantangan nyata, terutama dalam pembelajaran Bahasa Indonesia yang menuntut konsentrasi tinggi dan daya serap materi secara optimal. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan teknik pengumpulan data berupa wawancara, kuesioner, dan dokumentasi. Sebanyak sepuluh orang guru mata pelajaran Bahasa Indonesia dari berbagai sekolah menengah kejuruan di Kota Cirebon menjadi partisipan utama. Hasil penelitian menunjukkan bahwa faktor penyebab kesulitan fokus belajar terbagi menjadi dua kategori, yaitu faktor internal dan faktor eksternal. Faktor internal meliputi kelelahan, kurang tidur, dan rendahnya motivasi belajar. Sementara itu, faktor eksternal meliputi penggunaan gawai secara berlebihan serta lingkungan belajar yang kurang kondusif. Guru menggunakan berbagai strategi untuk mengatasi kendala tersebut, seperti kegiatan penyegaran (ice breaking), penggunaan media digital, permainan edukatif, serta pendekatan personal kepada siswa. Strategi tersebut terbukti efektif apabila diterapkan secara konsisten dan sesuai konteks pembelajaran. Kebaruan dari penelitian ini terletak pada fokus kajian terhadap peran guru Bahasa Indonesia di sekolah menengah kejuruan, yang sebelumnya belum banyak diteliti dalam konteks kesulitan fokus siswa.
Co-Authors Budi Hartono Dewi, Vira Laksita Fahrurozi, Muh Harefa, Wira Dranata Hilya Mudrika Arini Ismianti, Ismianti Mirwan Ushada Mulyani Sunarharum , Tri Oktiyanto Ade Saputro Rasyid Halimi Riesa Ayuningtyas Riesa Ayuningtyas, Riesa Rifiansyah, Al Kahfi Briyan Rivadeneira , Lucía Rokhima Rostiani