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Returns to Postgraduate Education in Indonesia: Province-Level Evidence and Policy Implications Ahmad Arib Al Farisy; Devi Sartika; Lena Elfianty; Jusuf Wahyudi; Chisillia Mayangsari; Sarah Ulfah Al Amany
International Journal of Artificial Intelligence Research Vol 8, No 1.1 (2024)
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29099/ijair.v8i1.1.1708

Abstract

This study investigates the relationship between postgraduate education (Master's and Doctoral degrees, designated S2/S3 in Indonesia's educational system) and provincial-level economic outcomes using comprehensive 2022 data from Indonesia's Central Statistics Agency (BPS). Drawing on human capital theory (Becker, 1964; Mincer, 1974) and signaling theory (Spence, 1973), we examine how the concentration of advanced degree holders correlates with key development indicators across Indonesia's 34 provinces. Our cross-sectional analysis employs Pearson correlations with heteroscedasticity-robust standard errors and multiple regression specifications controlling for urbanization, industrial composition, and geographic factors. Results reveal significant positive correlations between postgraduate education rates and economic prosperity. Provinces with higher concentrations of S2/S3 degree holders demonstrate substantially higher GDP per capita (r = 0.52, p < 0.01), Human Development Index scores (r = 0.71, p < 0.001), and lower poverty rates (r = -0.48, p < 0.01). DI Yogyakarta leads with a postgraduate rate of 1.11%, while Nusa Tenggara Timur lags at 0.21%, highlighting significant regional disparities. These findings are robust to the exclusion of outliers (DKI Jakarta, Papua) and persist across alternative model specifications. While cross-sectional data precludes causal inference, the strength and consistency of associations provide empirical support for expanding government scholarship programs such as LPDP (Lembaga Pengelola Dana Pendidikan). We recommend targeted scholarship investments in underrepresented provinces and fields with high economic multiplier effects to address regional disparities and maximize returns from educational investment
Socialization of the Utilization of Plastic Waste into Crafts with Residents of RT 20, RW 05, Sawah Lebar, Bengkulu Anisa Putri Pratama; Kriscin Gresia Hutabarat; Yunda Wulandari; Dimas Setiawan; Herlin Herlin; Lena Elfianty; Mimpira Haryono
Jurnal Pengabdian Mandiri Vol. 3 No. 1 (2026): Juni
Publisher : Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70963/mandiri.v3i1.1326

Abstract

This community service activity aims to increase awareness and practical skills of KKN-T period VI with residents in RT. 20 RW 05 Sawah Lebar in managing non-organic household waste. Through a participatory method involving material delivery and direct practice, participants were trained to recycle and reuse waste such as plastic wrappers and other packaging into useful handicrafts. The results of the activity showed that participants gained knowledge and confidence in managing non-organic waste creatively. The direct involvement model encouraged sustainable behavioral changes and aroused participants' interest in continuing craft practices independently at home. This training has proven effective in increasing environmental awareness and encouraging innovation in waste management at the household level.
Community Service in 3R (Reduce, Reuse, and Recycle) Based Waste Management at RT 12, RW 04, Penurunan Subdistrict, Ratu Samban District, Bengkulu City Antoni Saputra; Rahmat Renaldi; Ghandur Zhafran; Arif Nokra Median; Nadila Putri Wulandari; Sri Handayani; Lena Elfianty; Karona Cahya Susena
Jurnal Pengabdian Mandiri Vol. 3 No. 1 (2026): Juni
Publisher : Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70963/mandiri.v3i1.1336

Abstract

The community service activity was conducted in RT 12 RW 04, Penurunan Subdistrict, Bengkulu City. One of the work programs implemented was the provision of organic and non-organic waste bins as an effort to improve environmental cleanliness and increase public awareness of waste management. This program aimed to encourage the community to separate waste according to its type and to reduce environmental pollution caused by improperly managed household waste. The methods used in this activity included direct observation and community participation through socialization activities and the provision of waste disposal facilities. The results of this program indicate a positive change in community behavior, as residents have begun disposing of waste according to its designated category. This program is expected to support the creation of a clean, healthy, and sustainable residential environment.
Comparative Analysis Of Fuzzy Time Series And Double Exponential Smoothing Methods In Predicting Medicine Demand At Community Health Centers Aldo Zantohodi; Lena Elfianty; Rizka Tri Alinse
Jurnal Media Computer Science Vol 5 No 3 (2026): Juli
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v5i3.12140

Abstract

Drug inventory management in primary health centers requires accurate forecasting to reduce stock-outs, overstock, and logistics inefficiency. This study compares Cheng Fuzzy Time Series (FTS) and Holt Double Exponential Smoothing (DES) for forecasting drug demand at Pajar Bulan Public Health Center. Using LPLPO data, 84 valid drug items were analyzed with January-December 2025 as training data and January-April 2026 as testing data. DES produced a lower MAE, but FTS achieved a better MAPE and was superior on 65.5% of items with valid MAPE. The results indicate that FTS is more robust for fluctuating active drug demand, while DES is suitable for more stable trend patterns.
Implementasi Metode Certanty Factor Untuk Diagnosa Penyakit Tanaman Tebu Hijau Pada PT. Perkebunan Nusantara VII Darojatul Kubroh; Lena Elfianty; Jhoanne Fredricka
Jurnal Media Infotama Vol 20 No 2 (2024): Oktober
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmi.v20i2.6566

Abstract

This research aims to create an expert system application in diagnose green sugarcane plant diseases using the certainty factor method. Green sugar cane is one of the plantation crop commodities in Indonesia. However, cultivating green sugar cane does not escape various problems related to diseases that are likely to attack green sugar cane plants. If green sugar cane plants are attacked by disease, the yield and quality of green sugar cane will decrease which will then cause significant losses for green sugar cane farmers and green sugar plantation owners. If it is not immediately addressed, it will spread widely and worsen over time. The MySQL database can accommodate information and data from patients who consult with an expert system which can make it easy for patients to consult about green sugarcane plant diseases. The resulting expert system can make it easy for users to diagnose green sugarcane plant diseases online.
Clustering Data Siswa Menggunakan Metode K-Means Untuk Mengetahui Tingkat Prestasi Akademik Di SMK Negeri 2 Kota Bengkulu Rahmad Evandi; Sapri Sapri; Lena Elfianty
Jurnal Media Infotama Vol 21 No 2 (2025): Oktober
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmi.v21i2.9601

Abstract

SMK Negeri 2 of Bengkulu City is one of the State Vocational High Schools in Bengkulu City that continues to strive to improve the quality of its students' academic evaluation. So far, the assessment of student academic achievement still refers to the average value. The school sometimes has difficulty in seeing student development and providing appropriate student motivation based on the results of the level of student academic achievement that has been obtained. Clustering student data using the K-Means Method in determining the level of academic achievement at SMK Negeri 2 of Bengkulu City can provide information on the level of student academic achievement in each subject which is divided into 3 groups, namely high, medium and low levels of academic achievement and can help teachers monitor student academic development, identify student learning patterns, and provide appropriate interventions according to the needs of each group. In order to facilitate the process of clustering student data to determine the level of academic achievement using the k-means method, a desktop-based application was built using the Visual Basic .Net programming language. In addition, this application also contains graphic visuals of the grouping results as output from the application. Based on the test data used, on the grade X Indonesian Language subject data for the Even Semester of the 2022/2023 Academic Year of the Mechanical Engineering Expertise Program of 23 students, the results showed that the high level of academic achievement (Cluster C1) was 7 students, the moderate level of academic achievement (Cluster C2) was 9 students, and the low level of academic achievement (Cluster C3) was 7 students
The Application Of Data Mining To Find Out The Level Of Poverty In Padang Kuas Village Using The K-Means Clustering Method Lili Purnama Sari; Maryaningsih Maryaningsih; Lena Elfianty
Jurnal Media Computer Science Vol 5 No 1 (2026): Januari
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v5i1.9036

Abstract

Poverty is one of the complex social problems and is the main focus of development in many areas that affect various aspects of people's lives, especially in rural areas. Padang Kuas Village is one of the villages in Seluma Regency in Bengkulu Province. Based on test data of 88 residents of Padang Kuas Village in 2023, the results of the Cluster C1 data grouping (very poor group) consisting of 27 population data, Cluster C2 (poor group) consisting of 36 population data, Cluster C3 (almost poor group) consisting of 1 population data, and Cluster C4 (vulnerable poor group) consisting of 24 population data. Based on the system testing that has been carried out, it can be concluded that the Village Office can find out the level of poverty which has been divided into 4 groups, and the application is quite helpful in identifying residents who fall into groups according to the level of poverty.
Decision Support System For Determining The Level Of Violence Against Women And Children In Bengkulu Province Dinda Ratna Sari; Asnawati Asnawati; Lena Elfianty
Jurnal Media Computer Science Vol 5 No 1 (2026): Januari
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v5i1.10175

Abstract

Violence against women and children is common, both in public and within the family. This study aims to determine the level of violence against women and children in Bengkulu Province using the Simple Additive Weighting (SAW) method. The Simple Additive Weighting (SAW) method can solve problems with more precise assessments because it is based on predetermined criteria values ​​and preference weights. It can select the best alternative from a number of available alternatives due to the ranking process after assigning weights for each attribute. This Decision Support System for determining the level of violence against women and children in Bengkulu Province was created using the PHP programming language and a MySQL database. This application can accommodate data from all regions in Bengkulu Province to be assessed. This application can be used to facilitate the determination of the level of violence against women and children in Bengkulu Province by applying the SAW method, which can rank the assessment results.
PREDIKSI PENJUALAN ROTI HARIAN PADA DISTRIBUTOR SARI ROTI SEBAGAI UMKM DI KABUPATEN KEPAHIANG Yandra Muhammad Yusran; Lena Elfianty; Ockhy Jey Fhiter Wassalam
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 8 No. 3 (2025): August 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i3.4232

Abstract

 Abstrak: Usaha Mikro, Kecil, dan Menengah (UMKM) memiliki peran penting dalam mendukung perekonomian daerah, termasuk di Kabupaten Kepahiang. Salah satu UMKM yang bergerak di bidang distribusi makanan adalah distributor Sari Roti.Permasalahan utama yang sering dihadapi adalah fluktuasi penjualan harian yang tidak menentu, yang dapat memengaruhi proses distribusi dan manajemen stok. Penelitian ini bertujuan untuk membangun model prediksi penjualan roti harian guna membantu distributor dalam merencanakan stok secara lebih efisien. Hasil dari penelitian ini menunjukkan bahwa model prediksi mampu memberikan estimasi penjualan harian yang cukup akurat, sehingga dapat menjadi alat bantu pengambilan keputusan dalam pengelolaan distribusi dan pengurangan risiko kerugian akibat produk tidak terjual. Implementasi model ini diharapkan dapat meningkatkan efisiensi operasional dan daya saing UMKM di wilayah Kepahiang. Kata kunci: Prediksi penjualan, UMKM, Sari Roti, distribusi, Kabupaten Kepahiang.
PEMANFAATAN TEKNOLOGI INFORMASI UNTUK BISNIS ONLINE PRODUK DIGITAL Riska Riska; Lena Elfianty; Devi Sartika; Ahmad Arib Alfarisy; Muhammad Bintang Firdaus
Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Vol. 4 No. 2 (2024): Desember 2024
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jpstm.v4i2.2421

Abstract

Abstract: This community service activity aims to improve the knowledge and skills of students at SMA Negeri 03 Bengkulu Utara in utilizing information technology for online business. Before the training, a pretest was conducted to measure the participants' initial knowledge, which showed that most participants had a low basic understanding before the training, with only 30% of participants successfully answering with a score of more than 60% of the total questions correctly. However, after the implementation of the training program, the posttest results showed a significant increase, where the average score of participants increased to 57% successfully answering with a score above 70% and 43% of participants successfully answering with a score of more than 80%. Feedback from participants showed that they felt more confident in applying this new knowledge in their business practices. Thus, this program provides direct benefits to students and contributes to the development of skills that are relevant to market needs in the digital era. It is hoped that similar activities can be continued in the future with more in-depth and diverse materials, as well as post-training mentoring support. Through a systematic and participatory approach, this program is expected to continue to support the development of student competencies in the fields of information technology and entrepreneurship, as well as provide a positive impact on society as a whole. Keyword: Information Technology, Online Business, Digital Products.  Abstrak: Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pengetahuan dan keterampilan siswa di SMA Negeri 03 Bengkulu Utara dalam pemanfaatan teknologi informasi untuk bisnis online. Sebelum pelatihan, dilakukan pretest untuk mengukur pengetahuan awal peserta, yang menunjukkan bahwa sebagian besar peserta memiliki pemahaman dasar yang rendah sebelum pelatihan, dengan Hanya 30% peserta yang berhasil menjawab dengan skor lebih dari 60% dari total pertanyaan dengan benar. Namun, setelah pelaksanaan program pelatihan, hasil posttest menunjukkan peningkatan yang signifikan, di mana rata-rata skor peserta meningkat menjadi 57% berhasil menjawab dengan skor diatas 70% dan 43% peserta berhasil menjawab dengan skor lebih dari 80%. Umpan balik dari peserta menunjukkan bahwa mereka merasa lebih percaya diri untuk menerapkan pengetahuan baru ini dalam praktik bisnis mereka. Dengan demikian, program ini memberikan manfaat langsung bagi siswa dan berkontribusi pada pengembangan keterampilan yang relevan dengan kebutuhan pasar di era digital. Diharapkan kegiatan serupa dapat dilanjutkan di masa depan dengan materi yang lebih mendalam dan beragam, serta dukungan pendampingan pasca pelatihan. Melalui pendekatan yang sistematis dan partisipatif, program ini diharapkan dapat terus mendukung pengembangan kompetensi siswa di bidang teknologi informasi dan kewirausahaan, serta memberikan dampak positif bagi masyarakat secara keseluruhan. Kata kunci: Teknologi Informasi, Bisnis Online, Produk Digital.
Co-Authors Aan Herwansah Abdussalam Al Akbar Adriansa, Mezi Ahmad Arib Alfarisy Aldo Zantohodi Alfarisy, Ahmad Arib Alinse, Rizka Tri Andika, Ryndry Anisa Putri Pratama Annisa Putri Pratiwi Anto, Hardi Antoni Saputra Ardhi Pratomo Ariantara, Yudi Arif Nokra Median Ariska, Yesi Indian Asnawati Asnawati Baggash Adytia Pratama Candra Alexander Chisillia Mayangsari Darojatul Kubroh Desi Tosary Devi Sartika Dewi Suranti Dewi Yuliansari, Intan Dimas Setiawan Dinda Ratna Sari Edettri, Tesa Edison Edison Edy Hermansyah Eko Suryana Eko Suryana Erpan Syahputra Evi Andriani Fadhilah, Abyyu Febriansyah, Angga Trio Firdaus, Muhammad Bintang Fitri Alfarisy Fredricka, Jhoanne Fredricka, Jhoanne Ghandur Zhafran Hari Aspriyono Harjoni Saputra Haryono, Mimpira Herlin Herlin Herlin, Herlin Herlina Latipa Sari Hesti Nur’aini Ila Yati Beti Indra Kanedi Jumadi, Juju Jusuf Wahyudi Jutriansyah, Dodon Kanedi, Indra Kanedi Kanita Febianda Karona Cahya Susena Kriscin Gresia Hutabarat Kurniawan, Dwiki Leni Natalia Zulita Lesmana, Ferdi Lianda, Deri Lili Purnama Sari Lina Widawati Liza Yulianti Maryaningsih Maryaningsih Mesterjon, Mesterjon Miki Andika Muhammad Bintang Firdaus Muhammad Fadhil Z, Rusdi Noor Rosa (p:43-50) Mutiara Octa Sari Nadila Putri Wulandari Neri Susanti Ninosari, Devina Nofi Qurniati Ockhy Jey Fhiter Wassalam Ockhy Jey Fhiter Wassalam Panca Nugraha Pratama, Baggash Adytia Putra, Redo Osi Putra, Relissyah Qurniati, Nofi Qurniati, Nofi Ragil Fadilla Rahma Dani Rahmad Evandi Rahmat Renaldi Revolina, Elya Rianda, Reszha Ricky Zulfiandry Rina Trisna Yanti Rina Trisna Yanti, Rina Riska Riska Riska Riska Rizka Tri Alinse Robi Saputra S Siswanto Sabda Novita Sallaby, Achmad Fikri Sapri Sapri Saputra, Ryu River Sarah Ulfah Al Amany Sari, Lidiya Okta Sarjuni, Muhammad Sartika, Devi Septianto, Muhamad Diecky Silvia Wahyu Hastuti Siti Sundari Sri Handayani Suartana, Gede Sukmawati Sukmawati Sulisti Afriani Sulisti Afriani, Sulisti Sumantri, Ajis Supardi, Reno Suranti, Dewi Syaputra, Sandy Ulandari, Puspa Vianis, Adittia Okta Weeildyalihumarita Weeildyalihumarita Wijaya, Ermy Wiradiansya, Edoar Wiranto, Fenggi Yandra Muhammad Yusran Yilistriyani Yilistriyani Yilistriyani Yilistriyani, Yilistriyani Yunda Wulandari Yupianti, Yupianti Yupianti, Yupianti Yusran, Yandra Muhammad Zahesya, Favien Riza