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All Journal Jurnal Teknologi dan Manajemen Informatika InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan JURNAL ILMIAH INFORMATIKA Computer Based Information System Journal Jurnal Informasi dan Komputer Building of Informatics, Technology and Science JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) JPMB: Jurnal Pemberdayaan Masyarakat Berkarakter Ar-Rasyid: Jurnal Pendidikan Agama Islam Kontribusi: Jurnal Penelitian dan Pengabdian Kepada Masyarakat Jurnal Puan Indonesia Jurnal Desain dan Analisis Teknologi Jurnal Pengabdian Ibnu Sina Jurnal Pengabdian Barelang Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Computer & Science Industrial Engineering Journal Prosiding Seminar Nasional Ilmu Sosial dan Teknologi (SNISTEK)

Harman, Rika

Universitas Putera Batam

Author-ID : 1285158

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences Other

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- PENERAPAN ALGORITMA C.45 UNTUK KEPUTUSAN PEMBELIAN LAPTOP: - Rika Harman
Computer Based Information System Journal Vol. 6 No. 1 (2018): CBIS Journal
Publisher : Universitas Putera Batam

The process of purchasing a laptop is not difficult enough to provide some money and go ketoko who sell it and buy a laptop. But there is a more difficult is to determine which laptop will be purchased in accordance with daily needs that is difficult, there are four major variables studied in the process of purchasing laptops in this journal is the processor, memory (RAM), hard drive and price. Researchers want to know by processing the data using software WEKA (Algortima C, 45) Which will be the main choice of buyers in buying a laptop which means it will be known which will be a top priority buyers in buying a laptop with the object is a student of SMK Batam city who has bought a laptop . From here it can be concluded later whether the buyer prefer the processor than the RAM, hard drive or price or other patterns will appear like RAM, processor, hard drive and the price or other patterns that can not be reviewed because all assumptions may appear depending on the data obtained. So please note that the conclusions are taken is not the most correct answer but based on the development of data obtained from students SMK processed using Software WEKA.

PENERAPAN DATA MINING DALAM MEMPREDIKSI PEMBELIAN SEMEN Rika Harman
Computer Based Information System Journal Vol. 7 No. 1 (2019): CBIS Journal
Publisher : Universitas Putera Batam

When faced with a decision to determine one choice it is sometimes a very difficult thing, this can occur due to lack of knowledge and supporting data that exists. Supporting data is usually not too difficult to find because it can be taken from our own environment or on our own, because without realizing it around us it is basically a very large and large collection of data but sometimes it is not utilized because it cannot use it. For example, this can be seen in the Batam Saddhana Legenda Building Shop, in principle, the building store is the same as the other building shops. But the problem arising from shop owners was when determining the purchase of cement as the main ingredient in building construction. If you prioritize closeness or good relations with sponsors and sponsors' contributions to the store, the shop owner will not be difficult to determine which supplier to contact, but because you have to learn the tendency of the buyer which brand they prefer, the problem will be complicated. Because the shop owner must order products that are tailored to consumer demand, if this is not done then what will happen to the existing customers will be disappointed because the product they want does not exist, even the shop owner must put stock for a long time that can harm the shop owner own. By applying the data mining classification technique to effective cement purchases at the Saddhana Shop, it is hoped that later it can produce a knowledge that can be used for decision making in effective cement purchases from suppliers.

PENERAPAN ALGORITMA C.45 UNTUK MEMPREDIKSI INDIKATOR WEBSITE YANG BAIK rika Harman
JURNAL ILMIAH INFORMATIKA Vol 6 No 02 (2018): Jurnal Ilmiah Informatika (JIF)
Publisher : Teknik Informatika

The website for a company for now is not just a trend but it is a necessity that absolutely must not be, because with the website all the general information of the company can be shared to its customers directly tampa must be hampered by time and distance. as an example for a particular class of customers can find the information he wants without having to come directly keperusahaan. For that a website must contain important information about the company, the website should be able to represent customer service if asked by customers about company information related to customer needs. In this journal will be discussed one website of the company with 7 (seven) indicators, then of the seven indicators will be seen which indicators most influential on the website itself, this is certainly in the direction of customer satisfaction using the website. so it seems that the existing indicators have different effects between each other. To make this happen the researcher uses clustering method by using algortima C.45 with WEKA software version 44.02. The expected results will be to help the company in the process of developing a better website again.

ALGORITMA C4.5 UNTUK KLASIFIKASI PEMILIHAN CALON KETUA RW Erlin Elisa; Rika Harman
Jurnal informasi dan komputer Vol 7 No 2 (2019): Jurnal Sistem Informasi dan Komputer yang terbit pada tahun 2019 pada bulan 10 (O
Publisher : STMIK Dian Cipta Cendikia Kotabumi

Indonesia merupakan sebuah negara yang menjunjung tinggi demokrasi dalam pemerintahannya. Salah satu bentuk demokrasi di Indonesia di adakannya Pemilu (Pemilihan Umum) sekali dalam lima tahun. Pemilihan umum tidak hanya dilakukan pada pemerintahan pusat tetapi juga sampai kepada pemerintahan daerah bahkan pemerintahan ditempat tinggal kita. Keberadaan lembaga masyarakat bertujuan untuk mempercepat masyarakat yang tertib, aman dan sejahtera.Penelitian ini dilakukan untuk mengklasifikasikan kriteria pemilihan calon ketua RW (Rukun Warga) pada sebuah daerah dikota batam, permasalahan yang terjadi selama ini adalah proses pemilihan atau penetapan calon ketua RW belum memiliki kriteria yang harus dijadikan landasan dalam penetapan calon,begitu juga pada saat pemilihan berlangsung para pemilih tidak mengetahui dengan jelas siapa yang dipilih atau mungkin melakukan pemihan atas dasar kenal saja dengan calon, sehingga tujuan sebenarnya diadakan pemungutan suara untuk ketua RW tidak tercapai. Dalam pemilihan partisipasi warga sangat diperlukan akan tetapi tidak semua warga ikut berpartisipasi pada perhelatan ini,tentunya hal ini menimbulkan permasalahan setelah dilakukan pemungutan suara, banyak dari warga yang tidak kenal siapa RW yang terpilih sampai kepada tidak mengetahui latar belakang dari pemimpin diperumahannya, selain itu para calon ketua RW tidak melakukan sosialisasi secara menyeluruh tentang visi-misi kedepan dalam pembangunan masyarakat, situasi ini menimbulkan keluhan dari masyarakat seperti pada saat melakukan pemilihan mereka tidak memilih berdasarkan kriteria yang baik untuk dijadikan wakil pimpinan tempat mereka tinggal. Berdasarkan permasalahan diatas diatas maka peneliti akan menggunakan sebuah teknik datamining dengan algoritma C4.5 yang bertujuan untuk mengklasifikasikan kriteria calon ketua RW (Rukun Warga) sehingga dapat membuat keputusan terhadap penetapan calon RW. Berdasarkan Hasil perhitungan C4.5 dengan pengapliksian decision tree menggunakan aplikasi weka kriteria yang diharapkan oleh masyarakat untuk menjadi calon ketua RW yang akan dipilih dengan nilai gain tertinggi adalah memiliki visi dan misi sebagai calon,mempunyai tingkat solidaritas terhadap tertangga dan memiliki jiwa kepemimpinan yang baik.

Decission Tree Technique Dalam Menentukan Penjurusan Siswa Menengah Kejuruan Ika Purnama Sari; Rika Harman
Journal of Information System Research (JOSH) Vol 1 No 4 (2020): JULI 2020
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (953.147 KB)

Many problems are found as the selection of majors that are not in accordance with the abilities, personalities, interests and competencies that can be accounted for in learning. Data mining methodology will be applied to determine the majors in the field of studio that will be taken by students, so students are not wrong in choosing majors that will be taken while studying at the Vocational High School (SMK). C4.5 algorithm is used to determine the majors to be taken by students according to their own backgrounds, interests and abilities. Major selection parameters are color blindness, health test and interview. The test and evaluation results show that the Decision Tree C4.5 Algorithm is accurately applied to the suitability of student majors in Vocational High Schools (SMK)

GERAKAN DIGITAL ADVERTISING SEBAGAI UPAYA MEMBANGKITKAN PEREKONOMIAN SITUASI COVID-19 MELALUI PELATIHAN DIGITAL MARKETING Erlin Elisa; Tukino Tukino; Alfannisa Annurullah Fajrin; Rika Harman
PUAN INDONESIA Vol. 4 No. 2 (2023): Jurnal Puan Indonesia Vol 4 No 2 Januari 2023
Publisher : ASOSIASI IDEBAHASA KEPRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37296/jpi.v4i2.124

Indonesia confirmed its first case of infection with the corona virus that causes Covid-19 in early March 2020. Since then, various countermeasures have been carried out by the government to reduce the impact of the Covid-19 pandemic in various sectors. Indonesia's economic activity was hampered due to Covid-19 which ultimately had an impact on state revenues. Likewise, the city of Batam, which is one of the cities in the Riau Archipelago district, the city of Batam, which incidentally is located on the border with neighboring Singapore and Malaysia, is of course an advantage, one of which is in the economic sector, but since Covid-19 hit and access has become limited in various fields. and the situation is that the income of Batam residents has greatly decreased which has had a huge impact on the people's economy coupled with the increase in layoff rates which has exacerbated the situation. This community service activity aims to provide digital marketing training to young men and women who are starting a home industry in one of the residential areas in the city of Batam. Due to the impact of the pandemic, the activities of residents engaged in home industry businesses have also been affected, therefore we, as educators, through community service activities, go out into the field with the aim of providing knowledge in the form of digital marketing training with the aim that this home industry can awaken and develop return to business that had died down.

PELATIHAN MICROSOFT OFFICE DALAM MEDUKUNG HARD SKILL REMAJA MASJID AL-HIKMAH PERUM TAMAN HANG TUAH LEGENDA MALAKA BATAM CENTER Amrizal Amrizal; Rika Harman; Sasa Ani Arnomo
PUAN INDONESIA Vol. 4 No. 2 (2023): Jurnal Puan Indonesia Vol 4 No 2 Januari 2023
Publisher : ASOSIASI IDEBAHASA KEPRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37296/jpi.v4i2.126

The implementation of community service activities carried out in the form of training on the use of Microsoft Word is very useful for young people of the Al-Hikmah Mosque Housing Taman Hangtuah Legenda Malaka Batam Center, because with this ability it will make it easier for Youth of the Al-Hikmah Mosque Housing Taman Hangtuah Legenda Malaka Batam Center in management and operational of the Youth Secretariat of Al-Hikmah Mosque Housing Taman Hangtuah Legenda Malaka Batam Center in its creative activities which are not only spiritual in nature, but also other social activities that support hard skill abilities which are not only obtained in the school environment but can also be obtained in the residential environment in the form of Youth organization Al-Hikmah Mosque Housing Taman Hangtuah Legenda Malaka Batam Center. community service activities by applying the method of making activity reports, correspondence and correspondence as well as making information technology-based outreach brochures by utilizing existing applications in Microsoft Word with the hope that this activity will be able to provide creativity, optimize existing IT facilities and increase capabilities and human resources especially for the young person of the Al-Hikmah Mosque, Taman Hangtuah Residential, the Legenda Malaka, Batam Center. For this activity wil make a good shoft skil to the youth of the Al-hikmah mosque

PEMANFAATAN INTERNET SEBAGAI MEDIA BELAJAR KEPADA GURU TAMAN KANAK KANAK DI TANJUNG PIAYU KOTA BATAM: Utilization of the Internet as a Learning Medium for Kindergarten Teachers in Tanjung Piayu Batam Rika Harman; Amrizal Amrizal; Nopriadi Nopriadi; Sasa Ani Arnomo
PUAN INDONESIA Vol. 5 No. 1 (2023): Jurnal Puan Indonesia Vol 5 No 1 Juli 2023
Publisher : ASOSIASI IDEBAHASA KEPRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37296/jpi.v5i1.167

Information and communication technology is growing rapidly. Information technology enters various fields ranging from the world of offices to medicine, business, the arts, culture, and many other fields, including education. In the world of education, there are many ways to take advantage of information technology, from making learning media to the learning process to presenting the material in the learning itself. All can rely on information technology; all that remains is to choose which technology is suitable to use. New problems arise when teachers cannot utilize the media. They continue to rely on traditional and outdated learning media. So it is certain that the material produced is less interesting and seems boring. In addition, today's students focus more on what they see. If you provide a special attraction, it will automatically impress them. In this training, the target is PAUD teachers. They will be given training on how to use the internet as a learning resource for their students. Many internet sites can be used as learning media. The material that will be delivered can be in the form of getting to know letters, knowing numbers, getting to know animals, getting to know plants, and much more. If you have to present material on the internet, of course you can't display it right away because it will take time. This is due to the advertisements that appear and other disturbances that must be transferred to the display media, such as Microsoft PowerPoint. Methods like these must be mastered by a teacher. The target of this training itself is to be able to use the internet as a learning medium and also use it for various other needs. This service activity was successfully carried out, and the results can be seen in the increased skills of the trainees in utilizing the internet as a learning medium. With this skill, it will certainly have an impact on the quality of learning and the material provided. The material provided becomes more varied and not boring.

Pelatihan Microsoft Powerpoint 365 Pada Anggota Himpaudi Di Kecamatan Batam Kota Rika Harman; Amrizal Amrizal; Tukino Tukino; Algifanri Maulana
Jurnal Pengabdian Barelang Vol 4 No 2 (2022): Jurnal Pengabdian Barelang Vol 4 No 3 2022
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/jpb.v4i2.5535

Pengembangan soft skills pada Perhimpunan Pendidik dan Tenaga Kependidikan Anak Usia Dini di Kecamatan Batam Kota dapat dipenuhi melalui model pembelajaran Multimedia berbasis Teknologi Informasi Komunikasi (TIK). Pelatihan pengembangan media pembelajaran multimedia berbasis Teknologi Informasi dan Komunikasi bertujuan untuk memberikan ketrampilan dalam pembuatan media pembelajaran multimedia yang menarik dengan cara yang relatif mudah. Metode yang diterapkan dalam kegiatan ini adalah Metode Presentasi, Demonstrasi dan Praktik. Metode Presentasi digunakan untuk pengenalan software menggunakan Microsoft PowerPoint 365. Metode Demonstrasi mengenai pengoperasian program dan Metode Praktik yaitu pembuatan media pembelajaran secara langsung oleh peserta sesuai dengan mata pelajaran masing-masing dengan pemanfaatan program-program tersebut. Hasil penelitian ini adalah: Pertama, Pelatihan memberikan beberapa materi yang terkait dengan upaya meningkatkan kualitas pembelajaran dengan pemberikan pengetahuan mengenai pemanfaatan Program Powerpoint untuk membuat game interaktif sebagai media pembelajaran multimedia berbasis TIK yang atraktif dan interaktif, Kedua, Materi yang disajikan dapat diterima, dicerna, dan dipahami peserta dengan baik, Ketiga, Kegiatan berlangsung lancar, tepat waktu dan sesuai dengan yang diharapkan

Analisis Pola Pembelian Produk Menggunakan Algoritma Apriori Sigalingging, Iska Heriyati; Harman, Rika
Building of Informatics, Technology and Science (BITS) Vol 2 No 1 (2020): June 2020
Publisher : Forum Kerjasama Pendidikan Tinggi

The development of technology in Indonesia is developing so rapidly. This development can be seen from various retails that have used a computerized system in carrying out the buying and selling process. One minimarket that has used a computerized system in the buying and selling process is the Al Barokah Mart Shop. In taking data by interview and observation, this research uses quantitative methods. The purpose of this research is to find out the pattern of arrangement of goods in the minimarket and analyze how the patterns of purchase from consumers. In managing the data obtained, the associatin rules method is used to look for patterns of relationships between items that often appear in many transactions. The process of determining product purchasing patterns is done by applying data mining with a priori algorithm method, then the results obtained in the highest Al Barokah Mart case that appear on egg and indomie items with a support value of 46.66% and a confidence value of 87.50, while indomie and eggs with a support value of 46.66% and a confidence value of 63.63%.

Co-Authors Alfannisa Annurullah Fajrin Algifanri Maulana, Algifanri Alyshen, Alyshen Ambarita, Tri Mey Wendelina Amrizal Amrizal Amrizal Amrizal Amrizal Andarwati, Alifia Putri Andini, Mayada Dwi Arnomo , Sasa Ani Arnomo, Sasa Ani Ayu Wulandari Azwanti, Nurul Calvin Darmansah Darmansah, D Darmansah, Darmansah Devina Desliana Siagian Elisa, Erlin Ellvan Reisyer, Kevin Ellvan Reisyer Evan Rosiska Fredy, Julian Handoko, Koko Harina, Harina Hendra Hendra Hendra Purnama Ika Purnama Sari kok seng, vincent kiu Lase, Hellina Ofnani Narti Eka Putria Nofriadi Nofriadi Nopriadi Nopriadi Novri Adhiatma Ong, Ricky Panjaitan, Tulus Bobi Saen Evansen Pardede, Grace Theresia Rahmat Fauzi Reisyer, Kevin Ellvan Rosiska, Evan Sarah Astiti S.Kom., M.MT Sepentia, Nirpan Sigalingging, Iska Heriyati Simanjutak, Pastima Syahril Effendi Syaputra, Wendy Telutci, Telutci Tri Driano, Welly tukino, tukino Tukino, Tukino Vilona Fitri Alfionita ZAHARA, MUTHIA Zai, Onesimo Zetli, Sri

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