Papers by Iwan Ady Prabowo
Jurnal teknologi informasi dan komunikasi Sinar Nusantara, Nov 21, 2022
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Indonesian Journal of Business Intelligence (IJUBI)
Information technology is currently developing very rapidly. Especially after the Covid-19 Pandem... more Information technology is currently developing very rapidly. Especially after the Covid-19 Pandemic which makes activities and work done online. Communication allows the exchange of information between users and recipients. The Informatics Study Program is one of the study programs at STMIK Sinar Nusantara Surakarta. Currently there are no special services available as a medium for delivering information for students and the wider community. So it is necessary to have a website that is useful for conveying information related to the activities of the Informatics Study Program. One of the widely available Content Management System is WordPress. In this study, the design and construction of a WordPress-based study program website uses the Waterfall model. Which stages in the Waterfall model consist of needs analysis, system design and software design, design and development, implementation, testing and maintenance. In the testing phase, the System Usability Scale (SUS) model is used t...
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Jurnal Ilmiah SINUS
Academic transcripts are a summary of a student's high-value achievement score and must be gu... more Academic transcripts are a summary of a student's high-value achievement score and must be guaranteed in their authenticity, as well as the source from which they are issued. It was found that some universities were using technology to falsify transcripts. An example of a university in yogyakarta's special region that falsified academic transcripts. Several diplomas from makassar have been forged so that a civil servant can pass his exam, whereas in banda aceh evidence of equipment for creating fake diplomas has been found. This study seeks to prevent transcripts from being modified or falsified by locking data into student photos using blowfish and least significant bit algorithms. The purpose of this study is to keep transcripts from being easily modified or falsified. The methods of this study are data collection (student code data, gpa value, photo), encryption with blowfish, conversion of encryption results into binary form, insertion of binary values into the least ...
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
Fertilizer is a substance given to plants that could be food for plants. Fertilizer itself divid... more Fertilizer is a substance given to plants that could be food for plants. Fertilizer itself divided into two types, that is inorganic fertilizers and organic fertilizer. Fertilizer is very important to the needs of farmers, especially farmers. Therefore fertilizer needs should be able to in monitoring in order not to occur lack. The purpose of this study is a grouping of the use of fertilizer in every town in the districts of Ngawi with k-Means algorithm. The formulation of the problem to overcome is how to apply the method of k-means algorithm to categorize fertilizer needs in every town in the Ngawi. K-means is clustering algorithm where one object can be in group based on data similarities. Clustering results K-means Clustering is seen in the first group high (Cluster 1) contains 6, In the second group medium (Cluster 2) contains 2 sub-districts, while in the third group low (cluster 3rd) contains 11 sub-districts.
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN), 2021
UD. SRD is an individual company that produces and sells rice with various brands. UD. SRD is an ... more UD. SRD is an individual company that produces and sells rice with various brands. UD. SRD is an individual company that produces and sells rice with various brands. Rice brands sold include C4 Kelapa, C4 Raja, C4 Merak, Nogo Hitam, Nogo Merah, Nogo Hijau, Pandan Wangi, Mentik Wangi and Rojo Lele. In processing sales data is still done manually that is only using notes or receipts, so the data only serves as an archive. In this study, the data amounted to 404 rice sales transactions from January to September 2016. The purpose of this research is the creation of Apriori algorithm system to predict combination of rice brand in sales transaction in UD. SRD so as to help the company know the sales of the most frequently purchased rice brands simultaneously. The result of combination rice brand is getting using Apriori Algorithm which supported minimum 30% and confidence minimum 70%. It appears from thus statements "If buy C4R, it will buy C3M with 51.54% support and 77.31% confiden...
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Topik tugas akhir yang sedang trend saat ini adalah aplikasi Android. Pengembangan aplikasi andro... more Topik tugas akhir yang sedang trend saat ini adalah aplikasi Android. Pengembangan aplikasi android sangat terbuka, Indonesia tercatat sebagai negara di Asia Tenggara yang warganya terbanyak menggunakan Android dengan pengguna 41 juta pengguna atau pangsa pasarnya 94%. Hal tersebut mendorong perguruan tinggi membuat suatu strategi pembelajaran untuk memacu mahasiswa agar dapat merancang, membangun dan mengembangkan aplikasi Android. Tujuan penelitian ini adalah analisa pengaruh penggunaan aplikasi android didalam penentuan topik tugas akhir mahasiswa di perguruan tinggi wilayah Jawa Tengah dengan melihat jumlah pengajuan tugas akhir dan topik tugas akhir yang menggunakan android di 10 perguruan tinggi Jawa Tengah. Metode yang digunakan berupa pengumpulan data dengan kuisioner daftar pertanyaan kepada kepala program studi dan mahasiswa. Metode analisa dengan regresi linier. Hasil analisa menunjukan bahwa Jumlah pengajuan tugas akhir topik android memiliki hubungan terhadap jumlah tug...
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E-Dimas: Jurnal Pengabdian kepada Masyarakat, 2021
Pemasaran merupakan salah satu kunci utama sebuah perusahaan dalam mengenalkan produknya. Di era ... more Pemasaran merupakan salah satu kunci utama sebuah perusahaan dalam mengenalkan produknya. Di era transformasi teknologi informasi ini menuntut perusahaan bergerak cepat mengikuti perkembangan teknologi informasi. Khususnya dibidang pemasaran. CV Putra Nugraha merupakan salah satu perusahaan yang bergerak dibidang percetakan buku maupun majalah dalam skala kecil sampai besar. Perusahaan tersebut telah memiliki official website sebagai sarana untuk mengenalkan produknya ke konsumen. Hanya saja era saat ini perkembangan teknologi web mulai bergeser ke teknologi mobile. Beberapa aktifitas informasi katalog, pemesanan dan lainnya lebih mudah diakses dengan perangkat mobile. Sehingga perlu adanya tambahan teknologi alternatif untuk mendukung official website. Teknologi ini berupa aplikasi mobile berbasis Android. Dalam pembuatan aplikasi mobile berbasis Android ini dilaksanakan dengan tiga tahapan, yaitu: pengambilan data, perancangan, dan sosialisasi serta implementasi. Hasil akhir yang ...
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Jurnal Ilmiah SINUS, 2021
Circular Number 05/SEK/STMIK-SN/IV/2020 in STMIK Sinar Nusantara Surakarta regulates implementati... more Circular Number 05/SEK/STMIK-SN/IV/2020 in STMIK Sinar Nusantara Surakarta regulates implementation of learning, midterm exams, and even thesis / final exams. Hence, STMIK Sinar Nusantara took a policy for the implementation of synchronous learning and asynchronous learning. Synchronous learning (one time: teleconference, chatting) applies (1) Google Meeting by sinus.ac.id account, (2) Virtual meeting as Skype and Zoom, and (3) Discussion in Classroom. Meanwhile, asynchronous learning (time difference) uses (1) handouts, (2) tutorials, (3) videos, and (4) simple exercises. The purpose of this study was to determine the mechanisms in online learning (E-Learning) during Covid-19 Pandemic at STMIK Sinar Nusantara. This research only focuses on Synchronous and Asynchronous E-learning mechanism at STMIK Sinar Nusantara in even semester of 2019/2020. This research was conducted using 49 lecturers as respondents. The research method was descriptive statistical analysis. The results of the...
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Jurnal Ilmiah SINUS, Jul 7, 2015
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
Strict business competition in the field of mountain equipment providers and selling the same pro... more Strict business competition in the field of mountain equipment providers and selling the same product makes the mapping of onsight agents needed to determine the priority of agents prioritized. Fuzzy C-means is one of the data grouping techniques in which the existence of each data point in a cluster is determined by the level of membership. The purpose of this study is to design and make applications for grouping agents. The research method used is direct interview to obtain information in the form of ordered item data. The design model uses the System Development Life Cycle (SDLC). The system design method used is the Unified Modeling Language (UML). Agent mapping system with web-based fuzzy c-means clustering uses the PHP and MySQL programming languages as the database. The results of this study are in the form of three data clusters that can be used to support decisions for priority and from 30 data agents, the first cluster consists of 15 agents, the second cluster consists of ...
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
The Sleep disorder sometimes happens to someone unconsciously. Many health worker need a lot of t... more The Sleep disorder sometimes happens to someone unconsciously. Many health worker need a lot of time to detect the cause of sleep disorder, it is because there are some similar type of sleep disorder. The public health center in Karangmalang Sragen is needed a system to help the health workers to analyze the cause of sleep disorders. The aim of this research is to make a system to analyze the cause of sleep disorder by using the Naïve Bayes method. This research is conducted on Integrated Healthcare Center especially for the elderly in kedungwaduk. This research chooses the Naïve Bayes method to analyzing the type of sleep disorder experiences happen by the patient. The types of sleep disorders that used in this study were insomnia, hypersomnia, narcolepsy, sleep terror, disturbed sleep schedules and nightmares. The result in this study is patients can get solution about their sleep disorder, and also it can reduce the bad effect for the patient. The validation result of the Naïve B...
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Jurnal Sisfokom (Sistem Informasi dan Komputer)
The penetration of Indonesian internet users in first quarter of 2020 has increased by 17 percent... more The penetration of Indonesian internet users in first quarter of 2020 has increased by 17 percent compared to 2019. Based on Google Consumer Barometer in 2018, many 79% of Internet users in Indonesia use the internet on a daily basis. During the Covid-19 Pandemic, universities had to do Study From Home and Work From Home. This resulted, use of information technology and computers also increasing. This increase will have an impact on the level of cybercrime vulnerability. The scale of cyber vulnerability is needed to measure level of cybersecurity in universities, especially in data managers. There are five scales, Very Safe, Safe, Vulnerable, Very Vulnerable, and Dangerous. Where the scale is used in negative and positive statements. The measurement results show an average value of 3.3 or a vulnerable scale. Total average value of negative statements is 2.53 or scale close to vulnerability. So it is necessary to socialize the importance of cybersecurity to minimize occurrence of cyb...
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Jurnal Ilmiah SINUS, Jan 17, 2018
Data and information security technique is a way to keep an object confidential. eXchangable Imag... more Data and information security technique is a way to keep an object confidential. eXchangable Image File Format (EXIF) Metadata is data information about digital image. In the digital forensic investigation, this is very useful for copyright security or safeguarding digital evidence. Steganography and cryptography techniques have been widely used to overcome these problem. However, from the research that has been done in terms of security EXIF of metadata digital image photography, there are still some weaknesses. Among them is the depreciation of the digital image size after decryption. Since the standard EXIF metadata treatmens released by JEIDA and CIPA have different characteristic with JFIF metadata. A null value will be deemed to be the content with a value of 1 in EXIF standard. While in JFIF metadata model, the value of null is considered to be worth 0 (zero). This is make the EXIF metadata security process is shrinking of-25,15% from the original size. With the optimizing null value before encryption, the same metadata will be obtained between original image and after decryption. The null value will be replaced with an empty string (it's worth 1) before encryption. Results from the model obtained an average of-1,51% depreciation of the original digital image size.Therefore, this technique can optimize the digital image copyright protection. I. PENDAHULUAN Citra digital merupakan salah satu jenis barang bukti digital yang memiliki tingkat resiko manipulasi dan kehilangan informasi yang sangat tinggi. Data citra digital (metadata) memiliki informasi yang sangat kompleks, meliputi informasi perangkat pengambilan gambar sampai dengan waktu kapan diambil (Zhou et al., 2016). Sehingga dapat dikatakan metadata citra digital tersebut dapat digunakan sebagai hak cipta. Dalam ranah digital forensik, selain konten citra, metadata dapat digunakan sebagai barang bukti digital di persidangan. Mudahnya manipulasi dari sisi metadata dan konten citra inilah yang menjadi celah untuk melemahkan kedudukan citra digital sebagai alat bukti di persidangan. Banyak sekali cara untuk mengamankan metadata, mulai dari teknik steganografi, kriptografi sampai dengan watermarking. Kombinasi pengamanan eXchangable Image File Format (EXIF) metadata dengan teknik steganografi dan kriptografi juga telah dilakukan penelitian dengan hasil hampir sempurna dalam mengamankan metadata citra digital. Hal ini disebabkan antara citra digital asli, citra digital setelah dienkripsi, dan citra digital setelah dilakukan dekripsi, memiliki nilai histogram sama, serta dapat mengamankan keseluruhan metadata. Akan tetapi dalam penelitian tersebut, ukuran citra digital mengalami penyusutan sebesar-25.15%, sehingga hanya dapat digunakan sebagai perlindungan hak cipta citra digital saja. Untuk dapat digunakan sebagai perlindungan barang bukti digital, nilai hashing citra asli dan citra setelah dekripsi harus sama (Wijayanto et al., 2016). Penyusutan dalam penelitian tersebut dikarenakan perbedaan tipe header metadata citra asli dengan citra setelah dekripsi, yaitu eXchangable Image File Format (EXIF) menjadi JPEG File Interchange Format (JFIF) (Wijayanto et al., 2016). Ini disebabkan
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
Many people do not know the figure of a ground marshall, the task is simple but very important, ... more Many people do not know the figure of a ground marshall, the task is simple but very important, so that it becomes an interesting student learning material that is how a ground marshall can park a plane requires more interactive and communicative teaching and learning facilities, so students can more easily understand the material. Augmented Reality is one of the innovative and creative new learning methods because it uses technology that can provide visualization to Marshalling Signals that are not well-known by users, so application users will get information while developing user imagination. the results with the questionnaire from respondents, after testing the application, the application is the best application according from respondents with an average value 92.7% while the first application is only 88.6%. Keyword : Ground Marshall, Augmented reality, Marshalling Signals
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
Ducks are widely farmed poultry animals, because of its large population, the disease is also cau... more Ducks are widely farmed poultry animals, because of its large population, the disease is also caused a lot. In avian influenza disease is an infectious animal disease caused by a virus and can infect humans. Avian invluenza is also a cause of decreased quality of meat and eggs, can even cause death in ducks. Disease in ducks is difficult to know because people have no prior experience. Communities and breeders find it difficult to take appropriate action on ducks affected by avian influenza so that they can be fatal. During 2012 - 2017 there were 1856 cases of bird flu in Indonesia. In October 2017 there were 3 cases of avian invluenza. Where 900 ducks died. From the explanation above, an expert system is needed to diagnose avian influenza. This system can help ordinary people and farmers who do not have experience in dealing with avian influenza. Disease data and symptoms of avian influenza that will be entered into this expert system can be obtained from interviews with experts an...
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
Based on data of dairy milk cow in Animal Farms of Boyolali District, only shows the total amoun... more Based on data of dairy milk cow in Animal Farms of Boyolali District, only shows the total amount of dairy milk cow in Boyolali District. So that Animal Farms of Boyolali District does not know which areas produce dairy milk cows with large numbers or small. Therefore, an algorithm is needed to facilitate the grouping of potentially dairy milk cow based on milk production data (liter), number of female dairy cows (how many), number of owners and year of production. In this research, using the K-Means algorithm is used to the grouping of potential dairy milk cow producing areas. By using K-Means aims in facilitating the classification of an area that has the greatest potential dairy milk cows, medium and small. The result is an illustration that shows the regional grouping based on dairy milk cow yields, which are 13 districts that have a potency of dairy milk cow (cluster1), 28 districts that have medium potency dairy cows producing (cluster2), and 28 districts less potential dai...
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Jurnal Teknologi Informasi dan Komunikasi (TIKomSiN)
The development of futsal sports is currently very rapid. This can be seen from the many futsal c... more The development of futsal sports is currently very rapid. This can be seen from the many futsal clubs that have sprung up with very many members with the same average ability, making it difficult for a coach to determine the first team in the club. One of the uses of information technology is the use of a player's classification system for determining the main team in a futsal club. The method used to classify futsal players is a simple multi-attribute algorithm rating technique is chosen because this method can solve with many criteria or multi attributes besides that in this method also has a direct weighting technique that is more flexible because the user can change the criteria weight according to the level the desired interest, and this method will be applied to determine the players who registered in the recruitment of players who will enter the team and determine the core and reserve teams that will be brought to a competition. The data used in testing this system amount...
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Jurnal Ilmiah Sinus, Feb 21, 2015
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