H
Heri Nurdiyanto
Researcher at Yogyakarta State University
Publications - 48
Citations - 635
Heri Nurdiyanto is an academic researcher from Yogyakarta State University. The author has contributed to research in topics: Decision support system & Cryptography. The author has an hindex of 15, co-authored 47 publications receiving 489 citations.
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Journal ArticleDOI
Analysis of Student Satisfaction Toward Quality of Service Facility
Darmawan Napitupulu,Robbi Rahim,Dahlan Abdullah,Muhammad Ikhsan Setiawan,Leon Andretti Abdillah,Ansari Saleh Ahmar,Janner Simarmata,Rahmat Hidayat,Heri Nurdiyanto,Andri Pranolo +9 more
TL;DR: In this article, a survey-based questionnaire was used to determine the extent to which the quality of the services effect on user satisfaction, and the results showed a gap between perception and expectations of the respondents have a negative value for each item.
Journal ArticleDOI
Experimental investigation on the yield of Solar still using Manganese Oxide nanoparticles coated Absorber
Hitesh Panchal,Heri Nurdiyanto,Kishor Kumar Sadasivuni,Sanil S. Hishan,Fadl A. Essa,Mohammad Khalid,Swapnil Dharaskar,S. Shanmugan +7 more
TL;DR: In this paper, Manganese Oxide (MNO2) is selected as a nanoparticle material and used in solar still (SS) yield to increase the heat transfer and water temperature.
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Multi-Attribute Decision Making with VIKOR Method for Any Purpose Decision
Dodi Siregar,Heri Nurdiyanto,Sriadhi Sriadhi,Diana Suita,Ummul Khair,Robbi Rahim,Darmawan Napitupulu,Achmad Fauzi,Abdurrozzaq Hasibuan,Mesran Mesran,Andysah Putera Utama Siahaan +10 more
TL;DR: VIKOR method in this research got the best results with an efficient and easily understood process computationally, it is expected that the results of this study facilitate various parties to develop a model any solutions.
Journal ArticleDOI
Modeling Data Containing Outliers using ARIMA Additive Outlier (ARIMA-AO)
Ansari Saleh Ahmar,Suryo Guritno,Abdurakhman,Abdul Rahman,Alimuddin,Ilham Minggi,M. Arif Tiro,M. Kasim Aidid,Suwardi Annas,Dian Utami Sutiksno,S. Ahmar Dewi,H. Ahmar Kurniawan,A. Abqary Ahmar,Ahmad Zaki,Dahlan Abdullah,Robbi Rahim,Heri Nurdiyanto,Rahmat Hidayat,Darmawan Napitupulu,Janner Simarmata,Nuning Kurniasih,Leon Andretti Abdillah,Andri Pranolo,Haviluddin,Wahyudin Albra,A. Nurani M. Arifin +25 more
TL;DR: In this article, the authors discussed on the detection and correction of data containing the additive outlier (AO) on the model ARIMA (p, d, q).
Journal ArticleDOI
Combination Base64 Algorithm and EOF Technique for Steganography
Robbi Rahim,Heri Nurdiyanto,Rahmat Hidayat,Ansari Saleh Ahmar,Dodi Siregar,Andysah Putera Utama Siahaan,Ilham Faisal,Sayuti Rahman,Diana Suita,Ahmad Zamsuri,Dahlan Abdullah,Darmawan Napitupulu,Muhammad Ikhsan Setiawan,Sriadhi Sriadhi +13 more
TL;DR: A steganography and encoding method using base64, which is a set of encoding schemes that convert the same binary data to the form of a series of ASCII code, is discussed.