Volume 7, Issue 4, Year 2019 (October 2019)

Jurnal Teknologi dan Sistem Komputer Volume 7 Issue 4 Year 2019 (October 2019) has been officially published on October 31, 2019. This issue contains 8 articles from 21 authors with diverse affiliations and countries.

The published articles are available online and can be freely downloaded.

Original Research Articles

	Parameter tuning in KNN for software defect prediction: an empirical analysis Modinat Abolore Mabayoje, Abdullateef Olwagbemiga Balogun, Hajarah Afor Jibril, Jelili Olaniyi Atoyebi, Hammed Adeleye Mojeed, Victor Elijah Adeyemo Views: 1064 \| \| Language: EN \| DOI: 10.14710/jtsiskom.7.4.2019.121-126 Received: 27 Jan 2019; Revised: 31 Jul 2019; Accepted: 10 Aug 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 121-126
	Kinerja gateway berbasis XMPP untuk komunikasi perangkat IoT Performance of XMPP-Based Gateway for IoT Device Communication Services Mahar Faiqurahman, Muhammad Malik Madani, Denar Regata Akbi Views: 710 \| \| Language: ID \| DOI: 10.14710/jtsiskom.7.4.2019.127-133 Received: 11 Feb 2019; Revised: 13 Sep 2019; Accepted: 18 Sep 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 127-133
	Sistem pelacakan posisi pengguna menggunakan marker-based AR dalam menjelajahi galeri museum VR User position tracking system using marker-based AR for exploring VR museum galleries Pius Dian Widi Anggoro Views: 689 \| \| Language: ID \| DOI: 10.14710/jtsiskom.7.4.2019.134-140 Received: 15 Feb 2019; Revised: 16 Aug 2019; Accepted: 6 Sep 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 134-140
	Performance analysis of gray code number system in image security Akinbowale Nathaniel Babatunde, Ebunayo Rachael Jimoh, Oladipupo Oshodi, Olujuwon Ayoseyi Alabi Views: 541 \| \| Language: EN \| DOI: 10.14710/jtsiskom.7.4.2019.141-146 Received: 16 Feb 2019; Revised: 20 Aug 2019; Accepted: 5 Sep 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 141-146
	Implementasi fuzzy servqual dalam evaluasi kualitas pelayanan penyuluh pertanian Fuzzy servqual implementation in evaluation of agricultural extention officer service quality Dewi Suranti, Yupianti Yupianti Views: 801 \| \| Language: ID \| DOI: 10.14710/jtsiskom.7.4.2019.147-153 Received: 14 Mar 2019; Revised: 3 Sep 2019; Accepted: 6 Sep 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 147-153
	Studi komparatif empat model propagasi empiris dalam ruangan untuk jaringan nirkabel kampus Comparative study of four indoor empirical propagation models for campus wireless network Fransiska Sisilia Mukti Views: 559 \| \| Language: ID \| DOI: 10.14710/jtsiskom.7.4.2019.154-160 Received: 6 May 2019; Revised: 11 Sep 2019; Accepted: 18 Sep 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 154-160
	Sistem kendali dan pemantauan penggunaan listrik berbasis IoT menggunakan Wemos dan aplikasi Blynk IoT-Based electricity usage monitoring and controlling system using Wemos and Blynk application Mardhiya Hayaty, Ade Rufaidah Mutmainah Views: 1374 \| \| Language: ID \| DOI: 10.14710/jtsiskom.7.4.2019.161-165 Received: 30 Oct 2018; Revised: 6 May 2019; Accepted: 29 Jul 2019; Published: 31 Oct 2019; Available online: 3 Oct 2019.	PDF 161-165
	Klasifikasi percepatan dari sinyal gempa bumi dan sinyal linier aktivitas manusia menggunakan akselerometer smartphone berbasis algoritme support vector machine Acceleration classification of earthquake signals and linear signals of human activity using smartphone accelerometer based on support vector machine algorithm Hapsoro Agung Nugroho, Haryas Subyantara Wicaksana Views: 677 \| \| Language: ID \| DOI: 10.14710/jtsiskom.7.4.2019.166-171 Received: 15 Jul 2019; Revised: 19 Sep 2019; Accepted: 7 Oct 2019; Published: 31 Oct 2019; Available online: 12 Oct 2019.	PDF 166-171

EDITORIAL OFFICE OF JURNAL TEKNOLOGI DAN SISTEM KOMPUTER

Department of Computer Engineering
Faculty of Engineering Building 2nd Floor, Universitas Diponegoro
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Published by: Department of Computer Engineering, Faculty of Engineering, Universitas Diponegoro

Sponsored by: Indonesian Association of Higher Education in Informatics and Computing (APTIKOM)

Supported by: Training Division BCREC

Jurnal Teknologi dan Sistem Komputer (e-ISSN: 2338-0403, p-ISSN: 2620-4002) is published by the Department of Computer Engineering, Faculty of Engineering, Universitas Diponegoro under Creative Commons Attribution-ShareAlike 4.0 International License.

Published:	2019-10-31
Number of Articles: (including Editorial)	8
Number of Authors:	21

	Finland	(1)
	Indonesia	(11)
	Nigeria	(9)