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All Journal Majalah Forum Teknik UGM Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Buana Informatika Perfecting a Video Game with Game Metrics JUTI: Jurnal Ilmiah Teknologi Informasi Jurnal Teknologi Informasi dan Ilmu Komputer Prosiding Semnastek Proceedings Konferensi Nasional Sistem dan Informatika (KNS&I) Jurnal IPTEK-KOM (Jurnal Ilmu Pengetahuan dan Teknologi Komunikasi) Edu Komputika Journal Journal of Information Technology and Computer Science Indonesian Journal of Information System Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) IJID (International Journal on Informatics for Development) METIK JURNAL JISKa (Jurnal Informatika Sunan Kalijaga) IJITEE (International Journal of Information Technology and Electrical Engineering) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Jurnal INFOTEL

Sri Suning Kusumawardani

Jurusan Teknik Elektro Dan Teknologi Informasi Universitas Gadjah Mada

Author-ID : 303344

Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Unjuk Kerja Routing Protocol OLSR Pada Wireless Mesh Network Berbasis Standar IEEE 802.11b/g Ari Primaned; Widyawan; Sri Suning Kusumawardani
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 1: Februari 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

WMN merupakan model jaringan komunikasi yang menggabungkan teknologi wireless dan routing ad-hoc yang membentuk sebuah topologi mesh. Optimized Link State Routing Protocol (OLSR) merupakan salah satu routing protocol yang digunakan untuk jaringan ad-hoc agar setiap wireless router yang terhubung dalam jaringan dapat melakukan komunikasi dan menghasilkan jaringan dengan jangkauan yang luas. Tujuan penelitian ini adalah melakukan analisis terhadap kinerja yang dihasilkan oleh testbed WMN dengan menggunakan routing protocol OLSR.Untuk mengetahui kinerja dari WMN, dilakukan pengukuran parameter throughput, latency, jitter, dan packet loss pada tesbed WMN yang dibangun menggunakan lima buah wireless router Linksys WRT54GL dengan firmware OpenWRT Freifunk pada lantai 1 Gedung KPTU Fakultas Teknik, Universitas Gadjah Mada.Hasil analisis pada testbed WMN tersebut adalah sebagai berikut; nilai throughput pada singlehop 988.48 Kbps dan pada multihop 78.952 Kbps, nilai latency berkisar antara 0.5 ms – 7.15 ms, nilai jitter pada singlehop 16.3931 ms dan pada multihop 105.5513 ms, nilai packet loss pada singlehop 2.06 % dan pada multihop 33.3 %.

Evaluasi Keamanan Akses Jaringan Komputer Nirkabel (Kasus : Kantor Pusat Fakultas Teknik Universitas Gadjah Mada) Ida Bagus Verry Hendrawan Manuaba; Risanuri Hidayat; Sri Suning Kusumawardani
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 1: Februari 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

The growth of current wireless networks has increased rapidly. The growth of information technology and telecommunications technology requires interoperability, joint regulation and various solutions to solve the increasingly complex problems, such as computer network security issues on wireless networks. An evaluation is needed to maintain and re-assess the stability of the network to remain adequate. This research resulted a model as a result of evaluation that can be used as a useful recommendations to improve the security of a wireless computer network access which affects the performance on the network at the Headquarters of Engineering Faculty of Gadjah Mada University.

Reduksi Peak to Average Power Ratio (PAPR) Menggunakan Teknik Clipping Muhammad Fitrah Sugita; Risanuri Hidayat; Sri Suning Kusumawardani
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 1: Februari 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Frequency Division Multiplexing (OFDM) has aweakness that lies at the high power variation. Power variationis stated in peak-to-avarage power ratio (PAPR). PAPR is the ratio between the maximum and average power of OFDM signal at the certain time frame. High PAPR value will result in nonlinear distortion when operating on non linear devices such as high power amplifier (HPA). Therefore, it is necessary to find way to reduce PAPR value. In this paper, we used PAPR reduction simulation using clipping techniques. PAPR reduction is done by clipping of the output signal of IFFT block which has a PAPR value exceeds the clipping level clipping value is determined by the ratio of the test using the clipping ratio is 0.8 and 1.4. Clipping provides complimentary cumulative effect of improving the quality of the distribution function (CCDF) and decreased quality of Bit Error Rate (BER). Finally, the smaller the value of the clipping ratio CCDF quality improvement will be higher and the BER degradation will be even greater.

Pengukuran Kepuasan Pengguna E-Learning Menggunakan Metode Evaluasi Heuristik dan System Usability Scale Emi Iryanti; La Ode Mohamad Zulfiqar; Sri Suning Kusumawardani; Indriana Hidayah
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 9, No 3: Juni 2022
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2022924631

Pandemik COVID-19 yang terjadi saat ini mempengaruhi banyak aspek kehidupan termasuk pendidikan, dimana pembelajaran dilakukan dari rumah untuk mengurangi resiko penularan virus corona dengan menerapkan e-learning. Hal ini yang membuat implementasi e-learning harus baik, oleh karenanya harus dilakukan evaluasi agar e-learning mudah digunakan. Salah satu aspek penting yang harus dievaluasi yakni dari sisi usability-nya dimana dapat diketahui kepuasan pengguna dari sisi “kebergunaan”nya. Penelitian ini menggunakan dua metode evaluasi usability yaitu System Usability Scale (SUS) dan evaluasi heuristik (HE) digunakan untuk hal ini. Penggunaan kedua metode ini dilakukan untuk mendapatkan hasil evaluasi yang lebih mendalam agar dapat dilakukan perbaikan oleh pihak terkait. Dalam evaluasi usability menggunakan HE, evaluator yang dipilih adalah lima user expert yang ahli dalam bidang usability (tiga orang) ahli dalam bidang IT dan pengembangan pembelajaran (dua orang), sedangkan lingkup evaluasi pada penelitian ini yaitu proses login, edit profile, organisasi perkuliahan, dan aktivitas perkuliahan. Sedangkan pada evaluasi menggunakan kuesioner SUS diperoleh skor 63,3 (grade C-) dengan 162 responden, dengan hasil uji realibitas sebesar 0,818 dan uji validitas semua item pertanyaan di atas 0,129 yang berarti bersifat realible dan valid. Hasil evaluasi usability menggunakan HE, didapatkan bahwa terdapat satu prinsip yang dianggap sebagai permasalahan mayor oleh user expert yaitu prinsip user control and freedom, dimana sistem (e-learning) tidak memfasilitasi fungsi undo dan redo yang menyebabkan pengguna kebingungan apabila dengan sengaja/tidak memilih menu yang tidak dikehendaki. AbstractThe COVID-19 pandemic affects many aspects including education, where learning is carried out from home to reduce the risk of coronavirus transmission by implementing e-learning. One important aspect that must be evaluated is from the usability side, where we can find out the user satisfaction from the "usability" side. This study uses two usability evaluation methods, namely the System Usability Scale (SUS) and the heuristic evaluation (HE). The use of these two methods is carried out to obtain more in-depth evaluation results so that related parties can improve them. In the usability evaluation using HE, the selected evaluators are five user experts who are experts in the field of usability (three people) who are experts in the field of IT and learning development (two people), while the scope of evaluation in this study is the login process, edit profile, lecture organization, and lecture activities. While the evaluation using the SUS questionnaire obtained a score of 63.3 (grade C-) with 162 respondents. The results of the usability evaluation using HE, it was found that there is one principle that is considered a major problem by user experts, namely the principle of user control and freedom, where the system (e-learning) does not facilitate the undo and redo functions which causes confusion if the user click unwanted menu.

Ontology-Based Social Media Talks Topic Classification (Twitter Case) Fransisca Julia Kusuma Deviyanti; Sri Suning Kusumawardani; Paulus Insap Santosa
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 3, No 1 (2019): March 2019
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

In the era of digital communication, the use of Twitter as a customer service has been widely encountered. Companies have started to develop strategies around effective use of Twitter, one of which was to identify problems that customers frequently complain about. Twitter, with its straightforward tweet characteristics, will certainly contain sentences with very specific and easily recognizable keywords. These characteristics can be used as a basis for classifying tweets into certain topics. With a help of ontology, classification with keywords can be done automatically. The purpose of this paper is to design an ontology used as a basis for classifying tweets into certain topics related to the 4G telecommunications network in Indonesia and to evaluate performance of proposed classifier model.

A Multi Criteria Decision Making to Support Major Selection of Senior High School Adhistya Erna Permanasari; Marsetyo Wisaksono; Sri Suning Kusumawardani
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 3, No 4 (2019): Desember 2019
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijitee.54427

Senior high school students need to select a specialization, such as Mathematics and Natural Sciences, Social Sciences, or Language and Culture. This selection process can be improved by using Multi Criteria Decision Making (MCDM) methods. When MCDM methods are implemented, AHP method has accuracy of 61%, whereas AHP-Fuzzy TOPSIS 1 and AHP-Fuzzy TOPSIS 2 have accuracy of 75%. This research implements tests and analyzes new MCDM method, which is Hybrid MCDM Model, in helping aforementioned specialization selection process. There are four basic steps in Hybrid MCDM Model: performing experimental design to obtain attributes' weight and criteria, evaluating MCDM with the three existing methods, performing RSM regression to derive mathematical model, and decision making. This research introduces data normalization to the mathematical model which results in better implementation of Hybrid MCDM Model in the senior high school students' specialization selection process. Hybrid MCDM Model in the senior high school student specialization selection has accuracy of 86%, which includes 11% accuracy improvements compared to other applied MCDM methods.

Efisiensi ISO 27001, ISO 9001, dan Standar LPSE pada Data Center dan e-Procurement Pemerintahan Faradina Harumi; Lukito Edi Nugroho; Sri Suning Kusumawardani
JISKA (Jurnal Informatika Sunan Kalijaga) Vol. 6 No. 1 (2021): Januari 2021
Publisher : UIN Sunan Kalijaga Yogyakarta

National government and regional government are developing public service by communication and information network. Provided public service must be reliable, trusted, and reachable. To fulfil that, there are standards that need to be implemented for example ISO 27001, ISO 9001, and LPSE Standard. The purpose of this paper is to create efficiency in implementing ISO 27001, ISO 9001, and LPSE Standard with the scope of data center infrastructure and e-procurement service (LPSE). This paper uses qualitative method. The data obtained from primary and secondary data through a case study from government that has successfully implemented those standards. The result of this paper is mapping that shows intersection of similarity and difference between ISO 27001:2013, ISO 9001:2015, dan LPSE Standard and efficiency of document requirement which previously 50 to 24 documents only.

KUBERNETES CLUSTER MANAGEMENT FOR CLOUD COMPUTING PLATFORM: A SYSTEMATIC LITERATURE REVIEW Huda, Aris Nurul; Kusumawardani, Sri Suning
JUTI: Jurnal Ilmiah Teknologi Informasi Vol. 20, No. 2, Juli 2022
Publisher : Department of Informatics, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24068535.v20i2.a1103

Kubernetes is designed to automate the deployment, scaling, and operation of containerized applications. With the scalability feature of Kubernetes technology, container automation processes can be implemented according to the number of concurrent users accessing them. Therefore, this research focuses on how Kubernetes as cluster management is implemented on several cloud computing platforms. Standard literature review method employing a manual search for several journals and conference proceedings. From 15 relevant studies, 5 addressed Kubernetes performance and scalability. Seven literature review addressed Kubernetes deployments. Two articles addressed Kubernetes comparison and the rest is addressed Kubernetes in IoT. Regarding the cloud computing cluster management challenges that must be overcome using Kubernetes: it is necessary to ensure that all configuration and management required for Docker containers are successfully set up on on-premises systems before deploying to the cloud or on-premises. Data from Kubernetes deployments can be leveraged to support capacity planning and design Kubernetes-based elastic applications.

Research Trend of Causal Machine Learning Method: A Literature Review Shindy Arti; Indriana Hidayah; Sri Suning Kusumawardani
IJID (International Journal on Informatics for Development) Vol. 9 No. 2 (2020): IJID December
Publisher : Faculty of Science and Technology, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2020.09208

Machine learning is commonly used to predict and implement pattern recognition and the relationship between variables. Causal machine learning combines approaches for analyzing the causal impact of intervention on the result, asumming a considerably ambigous variables. The combination technique of causality and machine learning is adequate for predicting and understanding the cause and effect of the results. The aim of this study is a systematic review to identify which causal machine learning approaches are generally used. This paper focuses on what data characteristics are applied to causal machine learning research and how to assess the output of algorithms used in the context of causal machine learning research. The review paper analyzes 20 papers with various approaches. This study categorizes data characteristics based on the type of data, attribute value, and the data dimension. The Bayesian Network (BN) commonly used in the context of causality. Meanwhile, the propensity score is the most extensively used in causality research. The variable value will affect algorithm performance. This review can be as a guide in the selection of a causal machine learning system.

Accessibility Analysis of Learning Management System Websites Dwi Fithriyaningrum; Sri Suning Kusumawardani; Sunu Wibirama
IJID (International Journal on Informatics for Development) Vol. 11 No. 1 (2022): IJID June
Publisher : Faculty of Science and Technology, UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

In the digital era, Learning Management System is widely used to spread information in higher education, particularly at the university level. There are, however, issues with the Learning Management System's accessibility for users with disabilities. This research aims to investigate the accessibility issues of learning management websites of 30 universities in Indonesia. The top 30 universities in Indonesia according to Webometrics 2022 are the basis for this study. Accessibility issues will be identified and examined using the Wave evaluation tool which is in accordance with the Web Content Accessibility Guidelines 2.1 used by ISO 40500. Web Content Accessibility Guideline 2.1 has principles that any web should follow: Perceivable, Operable, Understandable, and Robust. Based on the research findings, The low contrast ratio between text and background, the absence of text explanations in the images, the lack of descriptive text on the links, the absence of text labels on the form, and the absence of text description on the button were the most frequently encountered accessibility issues.

Co-Authors Adhistya Erna Permanasari Amin Siddiq Sumi Andrew B. Osmond Anggi Destiyarto Ari Primaned B. Osmond, Andrew Budho Setyonugroho Budi Setiyanto Budi Setiyanto Cahya Damarjati Chairani Chairani Chairani Chairani Chandra, Daryus Daryus Chandra Desi Windi Sari Destiyarto, Anggi Dicky Rutanaji Dirko G. S. Ruindungan Dwi Fithriyaningrum Dwi Fithriyaningrum Ebedia Hilda Am Eka Ismantohadi Emi Iryanti Faradina Harumi Feddy Setio Pribadi Fitrah Sugita, Muhammad Fransisca Julia Kusuma Deviyanti Huda, Aris Nurul Ida Bagus Verry Hendrawan Manuaba Indriana Hidayah Irwin Wijaya Lahusen Ismantohadi, Eka Jaeni Jaeni Kadek Dwi Pradnyani Novianti Kadek Dwi Pradnyani Novianti, Kadek Dwi Pradnyani La Ode Mohamad Zulfiqar Lukito Edi Nugroho Maksum Roâ€™is Adin Saf Marsetyo Wisaksono Muhammad Fitrah Sugita Muhammad Haris Diponegoro Noor Akhmad Setiawan Olivia Kembuan Paulus Insap Santosa Prastyo, Pulung Hendro Primaned, Ari Pulung Hendro Prastyo Ridi Ferdiana Risanuri Hidayat Saf, Maksum RoÃ¢Â€Â™is Adin Selo Sulistyo, Selo Shindy Arti Stefani, Brillian Stefani, Brillian Sulistyohati, Aprilia Sumi, Amin Siddiq Sunu Wibirama Syukron Abu Ishaq Alfarozi Teguh Bharata Adji Uswatun Hasanah Verry Hendrawan Manuaba, Ida Bagus Widyawan Widyawan Widyawan Widyawan

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