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All Journal VISIKES Elkom: Jurnal Elektronika dan Komputer Jurnal Transformatika JUSIFO : Jurnal Sistem Informasi Jurnal Informatika Upgris Sistemasi: Jurnal Sistem Informasi JOURNAL OF APPLIED INFORMATICS AND COMPUTING Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Sisfokom (Sistem Informasi dan Komputer) Journal of Dedicators Community Comvice : Journal of community service Jurnal Sistem Informasi Kaputama (JSIK) Journal of Technopreneurship and Information System (JTIS) Jurnal Informatika dan Rekayasa Perangkat Lunak Jurnal Berdaya Mandiri Jurnal TIKOMSIN (Teknologi Informasi dan Komunikasi Sinar Nusantara) Community Empowerment Jurnal Program Kemitraan dan Pengabdian Kepada Masyarakat Walisongo Journal of Information Technology Advance Sustainable Science, Engineering and Technology (ASSET) JAST GANESHA: Jurnal Pengabdian Masyarakat J-Intech (Journal of Information and Technology) Journal of Artificial Intelligence and Engineering Applications (JAIEA) J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Ilmiah Teknik Informatika dan Komunikasi Jurnal Adijaya Multidisiplin JURNAL ILMIAH SAINS TEKNOLOGI DAN INFORMASI Jurnal Penelitian Sistem Informasi JURNAL ILMIAH TEKNIK INDUSTRI DAN INOVASI (JISI) Scientica: Jurnal Ilmiah Sains dan Teknologi Jurnal Ilmiah Research Student Jurnal Sains Student Research Jurnal Informatika: Jurnal Pengembangan IT Jurnal Pengabdian Masyarakat dan Riset Pendidikan JURNAL ILMIAH PENELITIAN MAHASISWA Prosiding Seminar Nasional Unimus Scientific Journal of Informatics SWAGATI: Journal of Community Service E-Amal: Jurnal Pengabdian Kepada Masyarakat Router : Jurnal Teknik Informatika dan Terapan Modem : Jurnal Informatika dan Sains Teknologi Merkurius: Jurnal Riset Sistem Informasi dan Teknik Informatika Router : Jurnal Teknik Informatika dan Terapan Journal of Information Technology Jurnal Informatika Jurnal Pendidikan dan Keguruan Jurnal Salome (Multidisipliner Keilmuan)
Bambang Agus Herlambang, Bambang
Universitas PGRI Semarang, Indonesia
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PKM PEMANFAATAN LIMBAH ANORGANIK UNTUK ALAT DESTILASI SEDERHANA Novita, Mega; Dewanto, Febrian Murti; Harjanta, Aris Trijaka; Herlambang, Bambang Agus; Marlina, Dian; Purwaningsih, Desi; Kusumo, Haryo
SWAGATI : Journal of Community Service Vol. 1 No. 1 (2023): March
Publisher : Universitas AMIKOM Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24076/swagati.2023v1i1.1030

Abstract

Sampai saat ini, Indonesia masih kesulitan menangani persoalan sampah. Oleh karena itu, perlu dilakukan perubahan paradigma yang memandang sampah sebagai sumber daya yang memiliki nilai ekonomis dan dapat dimanfaatkan. Kkhususnya limbah anorganik seperti kaleng dan plastik banyak dimanfaatkan untuk pembuatan kriya logam, campuran beton, bahan pembuatan MMC (Metal Matrix Composites) dan bahan dasar koagulan. Untuk mendukung warga Desa Doplang meningkatkan nilai jual komoditi bunga sedap malam, Teknologi Tepat Guna (TTG) alat destilasi/ penyulingan sederhana dari limbah anorganik dibuat. Metode yang digunakan adalah dengan pendekatan community development, empowerment dan community engagement. Setelah melakukan perijinan ke mitra, sosialisasi tentang potensi limbah anorganik dan pelatihan pembuatan alat destilasi sederhana dilakukan. Alat destilasi sederhana berhasil dibuat dengan memanfaatkan limbah organik. Dari kegiatan ini, warga Desa Doplang diharapkan mampu mengekstrak minyak atsiri bunga sedap malam menjadi produk turunannya.
Implementasi h-CFTM (hybrid-Child Friendly Teaching Model) sebagai Penguat Merdeka Belajar Siswa SMP N 14 Semarang Senowarsito, Senowarsito; Nugrahani, Dyah; Herlambang, Bambang Agus; Musarokah, Siti; Werdiningsih, Yuli Kurniati; Yulianti, Fitri
Journal of Dedicators Community Vol 9, No 1 (2025)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdc.v9i1.3723

Abstract

This article with the title The Implementation of h-CFTM (hybrid-Child Friendly Teaching Model) as a Reinforcement for Independent Learning for Students at SMP Negeri 14 Semarang is the outcomes of Program Kemitraan Masyarakat (PKM) for SMP Negeri 14 Semarang in applying of h-CFTM (Hybrid-Child Friendly Teaching Model) as Strengthening Implementation Independent Student Learning. Partner in this PKM activity was SMP Negeri 14 Semarang, which is one of the Child Friendly Schools in Semarang City. The purpose of this writing is to clarify the outcomes of PKM, particularly those related to the implementation of h-CFTM at SMP Negeri 14 Semarang. PKM implementation methods included socialization, training, science and technology transfer, mentoring, monitoring, evaluation, and sustainability (follow-up). The common perception and commitment of the entire academic community in partner school, the implementation of the h-CFTM, as well as h-CFTM-Based Learning Management System are the outcomes of PKM (Hybrid-Child Friendly Teaching Model).
Optimizing Customer Data Security in Water Meter Data Management Based on RESTful API and Data Encryption Using AES-256 Algorithm Adrianto, Syahrul; Agus Herlambang, Bambang; Renaldy, Ramadhan
Journal of Applied Informatics and Computing Vol. 9 No. 3 (2025): June 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i3.9358

Abstract

Good, accurate and secure data management is certainly one of the main needs for companies that provide public services. This research aims to develop a web application-based information system to manage customer water meter data at a regional water company in Semarang. This system was built using the RESTful API architecture using the PHP programming language framework, namely Laravel and the development of web page displays using the Javascripts framework. The data used is the original database managed by the company every month which is managed using a database management system by meter reader officers. To increase the security of customer data, a cryptographic algorithm is used, namely the Advanced Encryption Standard (AES) algorithm with a 256-bit key length to secure data that is considered sensitive and contains high privacy. This system is intended for meter readers to update customer water meter data per month in an efficient and structured manner. This research uses a Research and Development (R&D) based software development method with system testing using black-box testing method to ensure application functionality and data exposure testing method to ensure data security in the database. The test results show that the system successfully manages customer water meter data in realtime per data sent and secures customer data.
Implementasi Algoritma Linear Congruent Method Pada Pengacakan Soal Kuis dalam Aplikasi Mobile Learning Anemia Berbasis Android (MobiliA) Herlambang, Bambang Agus; Wibowo, Setyoningsih; Choirunnisa, Choirunnisa; Setyawati, Vilda Ana Veria
Jurnal Transformatika Vol. 18 No. 2 (2021): January, 2021
Publisher : Jurusan Teknologi Informasi Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/transformatika.v18i2.2382

Abstract

Anemia is a lack of blood condition with reduction in hemoglobin as one of indicator.  According to data from the Basic Health Research in 2013, the prevalence of anemia sufferers in Indonesia was high at 37.1%. The figure was almost close to severe public health problems with an anemia prevalence limit of more than 40%. However, this was not accompanied by low public knowledge about anemia.Therefore, researcher created an anemia mobile learning application based on android to increase people knowledge about anemia in everytime.There were quizzes randomly issued using the Linear Congruent Method algorithm. Linear Congruent Method algorithm, which was an algorithm that produced random permutations from a finite set. Testing Linear Congruent Method (LCM) algorithm was able to produce an effective randomization problem, where there was no repetition of the same value if the value of the declared variable meets the determination parameters of the existing LCM Algorithm i.e. the increment value and modulus must be relatively prime.  
PEMBERDAYAAN GURU SMK PENERBANGAN KARTIKA AQASA BHAKTI SEMARANG MELALUI INTEGRASI CHILD FRIENDLY TEACHING MODEL DALAM PROSES PEMBELAJARAN Nugrahani, Dyah; Musarokah, Siti; Herlambang, Bambang Agus; Sunarya, Sunarya
GANESHA: Jurnal Pengabdian Masyarakat Vol 5 No 2 (2025): Juli 2025
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Tunas Pembangunan Surakarta (UTP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/ganesha.v5i2.5280

Abstract

This community service program aims at implementing and integrating CFTM in realizing child-friendly learning. The community service program partner is SMK Penerbangan Kartika Aqasa Bhakti Semarang. The partner is one of the child-friendly schools (SRA) in Semarang City; however, the partner has not implemented child-friendly learning. The priority problems faced by the partner are: 1) There is no common perception between students, teachers, education personnel, principals, and parents regarding the Child-Friendly School concept; 2) There is no joint commitment between students, teachers, education personnel, principals, and parents regarding the Child-Friendly School concept; 3) Students, teachers, education personnel and principals do not yet know the child-friendly learning model; and 4) There has been no implementation of the child-friendly learning model (CFTM) in the partner school. The methods used in this community service program are socialization and training, mentoring learning practices, and monitoring and evaluation. The implementation of this activity shows that the integration of the Child Friendly Teaching Model in learning in vocational schools allows for a transformation in the way teachers teach, especially in building a more positive and participatory learning environment. This is evident from the increase in student interaction, a more conducive classroom atmosphere, and changes in the teacher's approach that prioritizes empathy and active student involvement.
Optimizing Support Vector Machine (SVM) for Sentiment Analysis of Blu by BCA Reviews with Chi-Square Widodo, Aldi; Herlambang, Bambang Agus; Renaldy, Ramadhan
Journal of Applied Informatics and Computing Vol. 9 No. 5 (2025): October 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i5.10541

Abstract

One of the products resulting from the development of financial technology is the blu by BCA application. This app can be downloaded by BCA bank users via the Google Play Store and has received various user responses in the form of reviews. Analyzing these user reviews can serve as a valuable reference for further development and decision-making by BCA regarding the blu app. Sentiment analysis is conducted using the Support Vector Machine (SVM) algorithm, with SMOTE and TF-IDF techniques, and feature selection via Chi-Square. Sentiment classification using the SVM algorithm and feature selection has produced various outcomes in previous studies. Therefore, further research is necessary to analyze reviews of the blu application. This study aims to optimize the SVM method in analyzing user sentiment on the blu by BCA application by applying Chi-Square feature selection to improve sentiment classification performance. The research method includes the following stages: scraping, preprocessing, labeling, TF-IDF transformation, Chi-Square feature selection, SMOTE, data splitting, data mining, and evaluation. The testing results show that the RBF kernel achieved the highest performance with an accuracy of 0.8623, precision of 0.8623, recall of 0.8623, and F1-score of 0.8623. After applying Chi-Square feature selection, the accuracy improved to 0.8726, with precision of 0.8747, recall of 0.8725, and F1-score of 0.8723. This optimization successfully increased the accuracy by 0.0103 or 1.03%, while also improving precision, recall, and F1-score, indicating that feature selection contributes significantly to sentiment classification performance.
SISTEM INFORMASI GEOGRAFIS TINDAK KRIMINAL DI JAWA TENGAH TAHUN 2019 – 2021 Danu Candra Saputra; Bambang Agus Herlambang; Ahmad Khoirul Anam
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 1 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i1.850

Abstract

Kriminalitas adalah masalah umum yang dihadapi oleh semua daerah. Banyak kejahatan terjadi pada waktu dan lokasi yang berbeda, sehingga sulit untuk menentukan wilayah mana yang berisiko tinggi terjadinya kejahatan. Kejahatan bukan hanya tanggung jawab polisi saja, tapi semua kalangan masyarakat. Dengan memetakan daerah rawan kriminal, kita dapat memahami di mana saja suatu kejahatan sering terjadi. Artikel ini membahas tentang pembuatan website Sistem Informasi Geografis (SIG) tindak kriminal di Jawa Tengah selama tahun 2019 hingga 2021. Setiap tindakan kriminal yang bersifat umum ditampilkan di kota atau kabupaten daerah tersebut. Dengan menggunakan data dari BPS Provinsi Jawa Tengah dan Polres setempat, penelitian ini mencoba untuk memahami pola dan tren tindak kriminal di wilayah tersebut. Hasilnya diharapkan dapat membantu pihak berwenang dalam merencanakan dan mengimplementasikan strategi pencegahan dan penanggulangan kejahatan yang lebih efektif. Penggunaan teknologi seperti gawai dan komputer memudahkan masyarakat untuk mencari informasi apapun dengan sangat cepat termasuk mencari info geografis tindak kriminal. Selain itu, sistem ini juga dapat menjadi alat yang berguna bagi masyarakat untuk meningkatkan kesadaran mereka tentang keamanan lingkungan mereka. Dengan memiliki akses ke informasi ini, masyarakat dapat membuat keputusan yang lebih baik tentang keamanan pribadi dan komunitas mereka. Selain itu, sistem ini juga dapat membantu pemerintah dan organisasi non-pemerintah dalam mengalokasikan sumber daya dengan lebih efisien untuk mencegah dan menanggulangi kejahatan. Dengan demikian, sistem ini tidak hanya berfungsi sebagai alat informasi, tetapi juga sebagai alat pencegahan dan penanggulangan kejahatan.
Analisis Upaya Pemerintah Terhadap Tingkat Kemiskinan di Jawa Tengah Tahun 2020-2022 Armanda Yasir Danuarsa; Bambang Agus Herlambang; Ahmad Khoirul Anam
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 1 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i1.851

Abstract

Penelitian ini bertujuan untuk mengetahui dan mengeksplorasi upaya pemerintah Jawa Tengah terhadap kemiskinan. Kemiskinan di Jawa Tengah pada tahun 2020 sampai 2022 masih sangat banyak, dalam hal ini pemerintah seharusnya dapat membuat Upaya baru dalam menghadapi kemiskinan tersebut. Analisis dampak menunjukkan adanya peningkatan akses masyarakat terhadap layanan kesehatan dan pendidikan, namun juga menyoroti perlunya peningkatan koordinasi antarinstansi untuk meningkatkan efisiensi dan efektivitas program-program penanggulangan kemiskinan..Hasil penelitian menunjukkan bahwa terdapat variabel yang berpengaruh signifikan terhadap angka kemiskinan. Berdasarkan data Badan Pusat Statistik (BPS), tingkat kemiskinan dipengaruhi oleh faktor pendidikan (angka putus sekolah), ekonomi (angka pengangguran), lokasi (jarak tempat tinggal ke pusat kota), dan Indeks Pembangunan Manusia (IPM). Dengan menyoroti variabel ini, penelitian ini memberikan landasan untuk rekomendasi kebijakan. Pemerintah perlu fokus pada peningkatan akses pendidikan, menciptakan peluang ekonomi baru untuk mengurangi pengangguran, serta mengevaluasi distribusi sumber daya dan pembangunan di wilayah Jawa Tengah. Meskipun demikian, masih terdapat tantangan seperti ketidakmerataan distribusi program dan ketidaksesuaian antara kebijakan dengan kebutuhan riil masyarakat..Dengan demikian, upaya pemerintah dapat lebih terarah dan efektif dalam mengatasi permasalahan kemiskinan yang masih menjadi tantangan serius di daerah ini. Penelitian ini memberikan kontribusi bagi pemahaman tentang kebijakan pemerintah dalam mengatasi kemiskinan di tingkat lokal, dengan memberikan rekomendasi untuk perbaikan lebih lanjut.
Implementation of a Bullying and Violence Prevention Application as a Reinforcement of a Child-Friendly School at SMP PGRI 1 Semarang: Implementasi Aplikasi Pencegahan Bullying dan Kekerasan sebagai Penguat Sekolah Ramah Anak di SMP PGRI 1 Semarang Senowarsito, Senowarsito; Werdiningsih, Yuli Kurniati; Herlambang, Bambang Agus; Indradewi, Marlisa
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 5 (2024): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v8i5.16051

Abstract

This community service activity aims to implement a bullying and violence prevention application in a partner school to create a Child-Friendly School (CFS). The main issue identified is the lack of shared perception and commitment among school personnel, students, and parents regarding the concept of bullying. The methods used include socialization, training, mentoring, as well as monitoring and evaluation. The results of the activity show an increase in understanding and commitment of all parties in preventing bullying, as well as the formation of a more effective prevention mechanism. The importance of these results is to build a safe and comfortable school environment for all students, and ultimately to achieve the vision of child-friendly education in Semarang City
Mapping Exclusive Breastfeeding Coverage And Toddler Stunting Prevalence In Indonesia Based On Web Geographic Information System Setyawati, Vilda Ana Veria; Herlambang, Bambang Agus
Advance Sustainable Science, Engineering and Technology Vol 2, No 2 (2020): May-October
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v2i2.6791

Abstract

Stunting is a chronic nutritional problem  in most of developing countries for quite a long time, including Indonesia. In 2018, Indonesia had 30.8% of stunting toddlers, 29.6% in 2017 and 27.54% in 2016. The trend over the last 3 years the prevalence of stunting has increased. The purpose of this research is to map the spread of stunting toddlers and exclusive breast milk coverage in Indonesia. This research is a cross sectional study using secondary data sourced from reporting compiled by the Ministry of Health of the Republic of Indonesia in 2018. WebGIS is used to compile mappings of both variables in each province through the official website of BPS. The results of this study show the information presented in WebGis seen most provinces have a prevalence of stunting in black zones (very high) and exclusive breast milk coverage in red zones (very less met than national targets).
Co-Authors Aan Kia Asshifa Aan Kia Asshifa Abda Abda Abdun Nafi' Adam Alfareza Aditya Galih Prathama Adrianto, Syahrul Agesti, Okta Vian Ahmad Khoerul Anam Ahmad Khoirul Anam Ahmad Khoirul Anam Ahmad Khoirul Anam Ahmad Khoirul Anam Ahmad Khoirul Anam Ahmad Khoirul Anam Ahmad Subhan Ainia Hasna Salsabila Aldi Widodo Anam, Ahmad Khoirul Angga agustino maulana Ardianti Romsita Ari Tri Jaka Harjanta Arif Firmansyah Arifin Arifin Aris Tri Jaka Harjanta, Aris Tri Aris Tri Joko Harjanto Aris Trijaka Harjanta Arisul Ulumuddin Armanda Yasir Danuarsa Aurellia Callista Dewi Baharudin alamsyah Bakhtiar, Tegar Robi Baromim Triwijaya Bima, Bima Aditya Hendriansyah Chairunnita Chairunnita Danu Candra Saputra David Rian Prabowo Desi Purwaningsih Dimas Aditya Saputra Duwi Nuvitalia Dwi Nuvitalia Dyah Nugrahani Dzulfiqar Alang Setiawan Eka Setyabudi Eni Imro’atun Wahyu Septiani Ernawati Saptaningrum Farhan Afrian Fatmawati, Maylia Febrian Murti Dewanto Fitri Sari , Rindhi Fitri Yulianti Galih Hermawan Hanum Nahla Zahrani Hanun Ravi Putra Wardana Hanun Ravi Putra Wardana Hapsari Larasati Harjanto, Aris Tri Joko Haryo Kusumo Hayyannabil, Adha Wiyan Heni Purwati Indradewi, Marlisa Irfan Maiyola Khoiriya Latifa khoiriya latifah Khoiriya Latifah, Khoiriya KHOIRUL ANAM Khoirul anam Khoirul Anam, Ahmad Kikit Wahyuni Kusumo, Haryo Laela Rustiani Laras Wulansari Latif Junia Angreani M Abdul Muhshi Marlina, Dian Mega Novita Mega Novita Mega Novita Miftakhul Jannah Moh Ferdio Arifianto Saputro Moh Zaenal Fanani MUHAMAD RAIKHAN ILHAM FIRMANSYAH Muhammad Rizki Kurniawan, Muhammad Rizki Muhammad Saifuddin Zuhri Muhammad Saifuddin Zuhri Muhammad Vendi Nur Rohim Muhtarom Mutiara Salsabila Nafi', Abdun Naila Amelia Shahada Najwa Mahdewi Syahita Nicko Ilham Akbar Nida Hanifah Nilna Rusyda Widyaningsih Nityasa Tustika Noora Q. N Noora Qotrun Nada, Noora Qotrun Nugroho Dwi Saputro Puji Ratna Sari Qodimah, Fitrotul Ramadhan Renaldy Renaldy, Ramadhan Reza aditya pratama Rima Febryani Rizky Esti Utami, Rizky Esti Rizqa Zahrotun Nafiah Rizqi pasha eko adi prabowo S Sumarno Saeful Fahmi Saeful Fahmi, Saeful Safira Indah Utami Saputro, Anjar Tiyo Senowarsito Septiani Eka Retnosari Septio Oggy Pradana Setyoningsih Wibowo Shentika Ayu Wulandari Siti Musarokah Sunarya Sunarya Syahrul Adrianto Tarisa Ramadhani Tedy Firmansyah Vilda Ana Veria Setyawati Vilda Ana Veria Setyawati Vilda Ana Veria Setyawati Vilda Ana Veria Setyawati Vilda Ana Veria, S.Gz, M.Gizi Vivi Ferliana Putri Waliyansyah, Rahmat Robi Widodo, Aldi Widya Aprilia Wiyaka Wulan Agustina Wulandari, Shentika Ayu Yudha Ananda Ramadhan Yuli Kurniati Werdiningsih Yuli Kurniati Werdiningsih, Yuli Kurniati Yusuf Ma'iin Rohmatulloh