ISSN 2087-1244 (Printed) ISSN 2476-907X (Online) Vol. 8 No. 1 March 2017 ComTechComTech Computer, Mathematics and Engineering Applications Editor in Chief Ngarap Imanuel Manik Mathematics and Statistics Department, Bina Nusantara University Managing Editors Arta Moro Sundjaja Information System Department, Bina Nusantara University Noerlina Information System Department, Bina Nusantara University International Editor Board Cynthia Hayat Information System Department, Krida Wacana Christian University, Indonesia Eddy Wiyanto Information System Department, Krida Wacana Christian University, Indonesia Tri Pujadi Information Systems Department, Bina Nusantara University, Indonesia Gisela Nina Sevani Information Technology Department, Krida Wacana Christian University, Indonesia Daniel M. Wonohadidjojo Information Technology Department, Ciputra University, Indonesia Trianggono Wiradinata Information Technology Department, Ciputra University, Indonesia Yudhi Windarto Information Technology Department, Krida Wacana Christian University, Indonesia Kiyota Hashimoto Technology and Environment Faculty, Prince of Songkla University, Thailand Lukas S. Tanutama Information Technology Department, Bina Nusantara University, Indonesia Rino Nugroho Research and Development in Computer Centre, Sebelas Maret University, Indonesia Fergyanto E. Gunawan Master of Information System Management, Bina Nusantara University, Indonesia Leon Andretti Abdillah Monitoring Academic and Management Information Systems, Bina Darma University, Indonesia Firza Utama Architecture Department, Bina Nusantara University, Indonesia Irpan Hidayat Civil Engineering Department, Bina Nusantara University, Indonesia Agustinus Oey Mechanical Engineering Department, Korea Advanced Institute of Science and Technology (KAIST) Tota Pirdo Kasih Industrial Engineering Department, Bina Nusantara University, Indonesia Hardi Humiras Purba Industial Engineering Department, Mercu Buana University, Indonesia Dase Hunaefi Research Center for Agriculture and Forestry, Free University of Bozen-Bolzano, Italy and Laimburg Ingrid S. Surono Food Technology Department, Bina Nusantara University, Indonesia Tati Nurhayati Aquatic Product Technology Department, Bogor Agricultural Institute, Indonesia Wikaria Gazali Mathematics and Statistics Department, Bina Nusantara University, Indonesia Language and Layout Editor Eka Yanti Pangputri Bina Nusantara University Dina Nurfitria Bina Nusantara University Holil Bina Nusantara University Atmawati Bina Nusantara University Secretariat Haryo Sutanto Bina Nusantara University Chantika Rezki Fitri Bina Nusantara University Description COMTECH is a quadannual journal, published in March, June, September, and December. COMTECH is a forum for lecturers, academics, researchers, practitioners, and students to convey and share knowledge in the form of empirical and theoretical research articles, case studies, and review of the literature. Editors invite professional education, research, entrepreneurs and students to participate in spreading the development of science in the fields of Information Systems, Architecture, Civil Engineering, Computer Engineering, Industrial Engineering, Food Technology, Computer Science, Mathematics, and Statistics through this scientific journal. Currently, ComTech has been indexed by Directory of Open Access Journal (DOAJ), Bielefeld Academic Search Engine (BASE), World Catalogue (WorldCat), Google Scholar and Academic Resource Index (ResearchBib). The journal can be accessed online on http://journal. binus.ac.id/index.php/comtech. Authors should refer to the guidelines when preparing their articles. Research and Technology Transfer Office, Bina Nusantara University, Anggrek Campus, Jl.Kebon Jeruk Raya 27, Kebon Jeruk, Jakarta Barat 11530, Tel. +621-5350660 ext. 1705/1708, Fax.+621-5300244, E-mail: asundjaja@binus.edu, hsutanto@binus.edu, Url: http://journal.binus.ac.id/index.php/comtech, FB: https://www.facebook.com/ComTechBinus ISSN 2087-1244 (Printed) ISSN 2476-907X (Online) Vol. 8 No. 1 March 2017 TABLE OF CONTENTS Edhi Juwono; I. Hardhy Winarta The Impact of Self-Esteem and Internet Use on Academic Performance .................................................. 1-5 Daniel M. Wonohadidjojo Local Contrast Enhancement Using Intuitionistic Fuzzy Sets Optimized By Artificial Bee Colony Algorithm.......... 7-13 Ivan Christanno; Priscilla; Jody Johansyah Maulana; Derwin Suhartono; Rini Wongso Eve: An Automated Question Answering System for Events Information................................................... 15-20 Elvina; Oscar Karnalim Complexitor: An Educational Tool for Learning Algorithm Time Complexity in Practical Manner ...................... 21-27 Astrid Lestari Tungadi; Suharjito Developing IT Strategic Planning Using Mobile Enterprise Architecture In The Academic Process of Atma Jaya Makassar University ................................................................. 29-36 Suroto; Aina Nindiani; Humiras Hardi Purba Students’ Satisfaction on Academic Services in Higher Education Using Importance-Performance Analysis ......... 37-43 Anggi Oktaviani; Heru Subawanto; Humiras Hardi Purba The Implementation of ABC Classification and (Q, R) with Economic Order Quantity (EOQ) Model on the Travel Agency................................................ ........................................................ 45-54 Choirul Huda; Osel Dharmawan Awang; Raymond; Raynaldi Analysis and Design of Web-Based Database Application for Culinary Community ....................................... 55-62 ComTechComTech Computer, Mathematics and Engineering Applications