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Leveraging Neural Matrix Factorization (NeuralMF) and Graph Neural Networks (GNNs) for Enhanced Personalization in E-Learning Systems Aji, Achmad Maezar Bayu; Nurdiyanti, Dewi; Basri, Hasan
International Journal Software Engineering and Computer Science (IJSECS) Vol. 4 No. 2 (2024): AUGUST 2024
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v4i2.2238

This study investigates the application of a combined approach utilizing Neural Matrix Factorization (NeuralMF++) and Graph Neural Networks (GNNs) to enhance personalization in e-learning recommendation systems. The primary objective is to address significant challenges commonly encountered in recommendation systems, such as data sparsity and the cold start problem, where new users or items need prior interaction history. NeuralMF++ leverages neural networks in matrix factorization to capture complex non-linear interactions between users and content. GNNs model intricate relationships between users and items within a graph structure. Experimental results demonstrate a substantial improvement in recommendation accuracy, measured by metrics such as Hit Ratio (HR) and Normalized Discounted Cumulative Gain (NDCG). Additionally, the proposed model exhibits greater efficiency in training time than traditional methods, achieving this without compromising recommendation quality. User feedback from several universities involved in this research indicates high satisfaction with the recommendations provided, suggesting that the model effectively adapts recommendations to align with evolving user preferences. Thus, this study asserts that integrating NeuralMF++ and GNNs presents significant potential for broad application in e-learning platforms, offering substantial benefits in personalization and system efficiency

Analysis of the Level of Difficulty and Differentiating Power of the Final Semester Assessment Made by Teachers of Class XI High School Chemistry Subjects in Cirebon in the Odd Semester of the 2022/2023 School Year Nurdiyanti, Dewi; Nurlia Hermawati, Tania; Dwi Cahyani, Mutiara
Jurnal Edusci Vol 1 No 5 (2024): Vol 1 No 5 Mei 2024
Publisher : Annpublisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/edusci.v1i5.273

This study aims to determine the quality on the Odd Semester Final Assessment (PAS) of Grade XI Chemistry Subjects in SMAs in the Cirebon Region for the 2022/2023 Academic Year. This research is a quantitative description research with data collection methods using document analysis to obtain data. The sample of this study was grade XI students. Quantitative research was conducted with the help of the ANATES software program version 4.09. the results showed: (1) In terms of Distinguishing Power, the highest value is in school E (77%) and the lowest value is school C (50%). (2) In terms of Level of difficulty there is a proportional comparison in school B with a ratio of 3:5:2.

PEMANFAATAN LIMBAH BONGGOL JAGUNG MENJADI TEPUNG BERKUALITAS DALAM MENINGKATKAN POTENSI AGROPERTANIAN DESA SUKAMANAH Gusman, Tania Avianda; Rachmat, Irfan Fauzi; Cahyani, Mutiara Dwi; Nurdiyanti, Dewi; Ramadhani, Putri
DedikasiMU : Journal of Community Service Vol 6 No 4 (2024): Desember
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/dedikasimu.v6i4.8348

Desa Sukamanah memiliki potensi pertanian yang cukup besar, khususnya dalam produksi jagung. Pada bagian jagung terdapat bonggol yang dimanfaatkan sebagai campuran pakan ternak maupun kompos. Limbah bonggol jagung yang tidak termanfaatkan akan menjadi pencemaran tanah dan air sehingga menggangu kesehatan dan pemandangan di desa Sukamanah. Adanya permasalahan tersebut dan kebutuhan ibu-ibu PKK dalam mengolah limbah menjadi tepung yang berkualitas dan bernilai ekonomi. Pelatihan pengolahan limbah bonggol jagung diharapkan dapat menambah pengetahuan terkait pengolahan limbah menjadi bernilai ekonomi serta menambah kemampuan dalam mengolah limbah bonggol jagung menjadi tepung yang berkualitas, serta mengubah tepung berkualitas menjadi cemilan yang bernutrisi tinggi. Para ibu PKK sangat antusias dengan adanya pelatihan pengolahan lombah bonggol jagung menjadi tepung berkualitas dan megubahnya menjadi cemilan berbagai variasi untuk peningkatan nutrisi anak.

Training on Making Healthy Dumplings from the Flesh of Manalagi Mango Typical of Local Fruit from SMA Muhammadiyah Kedawung School Nurudin, Arif; Gusman, Tania Avianda; Hasanah, Uswatun; Nurdiyanti, Dewi
Society : Jurnal Pengabdian Masyarakat Vol 4, No 2 (2025): Maret
Publisher : Edumedia Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55824/jpm.v4i2.523

This training aims to improve students' skills through the utilization of manalagi mango pulp as a basic ingredient for making healthy dumplings to become a superior product for students of SMA Muhammadiyah Kedawung. The activity was carried out at SMA Muhammadiyah Kedawung with a participatory approach. The methods used included observation, implementation in the form of socialization and training, and evaluation in the form of pretests and posttests. Students were taught how to process mango manalagi into healthy dumpling filling that is nutritious and adds economic value. The results of the activity showed an increase in students' skills in the dumpling production process as well as knowledge about dumpling nutrition. Student response was very positive, with 85% of participants showing interest in improving their understanding of processing fruit pulp into nutritious and healthy dumplings.

Training on Making Healthy Dumplings from the Flesh of Manalagi Mango Typical of Local Fruit from SMA Muhammadiyah Kedawung School Nurudin, Arif; Gusman, Tania Avianda; Hasanah, Uswatun; Nurdiyanti, Dewi
Society : Jurnal Pengabdian Masyarakat Vol. 4 No. 2 (2025): Maret
Publisher : Edumedia Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55824/jpm.v4i2.523

This training aims to improve students' skills through the utilization of manalagi mango pulp as a basic ingredient for making healthy dumplings to become a superior product for students of SMA Muhammadiyah Kedawung. The activity was carried out at SMA Muhammadiyah Kedawung with a participatory approach. The methods used included observation, implementation in the form of socialization and training, and evaluation in the form of pretests and posttests. Students were taught how to process mango manalagi into healthy dumpling filling that is nutritious and adds economic value. The results of the activity showed an increase in students' skills in the dumpling production process as well as knowledge about dumpling nutrition. Student response was very positive, with 85% of participants showing interest in improving their understanding of processing fruit pulp into nutritious and healthy dumplings.

Pelatihan Membuat Vertical Composter Garden untuk Mengatasi Sampah Organik dan Ketahanan Pangan Keluarga Yulina, Indah Karina; Gusman, Tania Avianda; Hendriyan, Yayan; Nurdiyanti, Dewi; Hunaeni, Hunaeni; Pawangsari, Khometa
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 12 No. 1 (2026): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.12.1.112-120

One of the ways to reduce greenhouse gases can be done through waste management from the source, because organic waste is one of the sources of methane gas that causes the greenhouse effect. The lack of education at the community level about efforts to reduce waste thrown away by processing waste is one of the causes of waste accumulation in landfills. This research aims to train the community to make an independent Vertical Composter Garden (VCG) in order to reduce organic waste in their area. The training was held in Cengkuang Village, Palimanan District, with a total of 16 participants. The method used is periodic training and mentoring followed by a final evaluation. The result obtained was that the level of understanding of participants increased after being given an explanation of waste management materials and how to make VCGs. The planting period depends on the type of plant. The fastest harvest period is only 14 days for chives, while the longest is for chili plants, which takes about 3.5 months from seeding to harvest.

Analysis of Education SWOT in Indonesia in Preparing the Golden Generation of Indonesia 2045 Nurdiyanti, Dewi; Hermawan, Andri; Supriatin, Lilis
Jurnal Edusci Vol 3 No 3 (2026): Vol 3 No 3 January 2026
Publisher : Annpublisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/edusci.v3i3.1143

Background. Indonesia is experiencing a strategic momentum towards Indonesia Emas 2045, a long-term vision centered on the quality of its human resources. Aims. This study aims to analyze strategies to improve the quality of education and the mastery of science and technology (IPTEK) to prepare an adaptive, competitive, and innovative generation. Methods. The method used is an exploratory qualitative approach through Focus Group Discussion (FGD) involving education stakeholders, complemented by a SWOT analysis to identify strengths, weaknesses, opportunities, and threats in the education system. Result. The results of the study indicate that the main challenges faced are disparities in educational quality across regions, low literacy in IPTEK, and a lack of integration between the curriculum and the needs of the world of work. Conclusion. Through the SWOT Analysis, the main technical priorities to be addressed include procurement of ICT devices, ongoing teacher training, equalizing infrastructure, and strengthening the vocational curriculum. Implementation. This study provides strategic recommendations for transforming the Indonesian education system to be more adaptive and aligned with the needs of the 21st century.

Professionalism of Education Supervision Aisyah, Siti; Supriatin, Lilis; Hermawan, Andri; Nurdiyanti, Dewi
Jurnal Edusci Vol 3 No 4 (2026): Vol 3 No 4 March 2026
Publisher : Annpublisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/edusci.v3i4.1149

Background. The professionalism of education supervision is a strategic factor in ensuring the quality of education delivery, especially at the primary and secondary levels. Purpose. This study aims to analyze the level of professionalism of school supervisors in West Java Province and its impact on improving the quality of teachers and schools. This study uses a qualitative descriptive approach, supported by simple quantitative data from a survey of 75 school supervisors across five districts. Data were collected through in-depth interviews, observations, and questionnaires, based on supervisory competency indicators set out in Permendikbud Number 143 of 2014. Results. The results of the study show that the professional competence of supervisors in West Java is in the high category (82%), especially in the dimensions of academic and managerial supervision. However, the main challenge remains mastering digital technology and implementing continuous evaluation. Conclusion. The analysis also showed a positive correlation between the intensity of supervision and improvements in the quality of teachers' performance and in the achievement of school accreditation. Implementation. This research emphasizes the importance of capacity building and continuous professional development for education supervisors as quality agents in the regions.

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