Petra Christian University

About: Petra Christian University is a education organization based out in Surabaya, Indonesia. It is known for research contribution in the topics: Population & Customer satisfaction. The organization has 2412 authors who have published 2893 publications receiving 10429 citations.

Physical violence detection for preventing school bullying

Abstract: School bullying is a serious problem among teenagers, causing depression, dropping out of school, or even suicide. It is thus important to develop antibullying methods. This paper proposes a physical bullying detection method based on activity recognition. The architecture of the physical violence detection system is described, and a Fuzzy Multithreshold classifier is developed to detect physical bullying behaviour, including pushing, hitting, and shaking. Importantly, the application has the capability of distinguishing these types of behaviour from such everyday activities as running, walking, falling, or doing push-ups. To accomplish this, the method uses acceleration and gyro signals. Experimental data were gathered by role playing school bullying scenarios and by doing daily-life activities. The simulations achieved an average classification accuracy of 92%, which is a promising result for smartphone-based detection of physical bullying.

Kepemimpinan Transformasional dan Pengaruhnya Terhadap Kepuasan atas Kualitas Kehidupan Kerja Komitmen Organisasi dan Perilaku Ekstra Peran: Studi pada Guru-Guru SMU di Kota Surabaya

Abstract: The purpose of this study ws to exmine direct and indirect effects of a integrated multidimensional model of transformational leadership upon organizational citizenship behaviour (OCBs) and considered quality of work life and organizational commitment as key antecedents. Participants comprised 190 teachers from ten middle school%2C whom completed a questionnaire. In this study%2C transformational ledership as an important correlate to the organizational citizenship behaviour that the link would be quality of work life%2C while the organizational commitment was unrelated. Wheb quality of work life middle school teachers superiors with transformational ledership behaviour of principals were likely to be related to greater organizational citizenship behaviour. Abstract in Bahasa Indonesia : Tujuan penelitian ini adalah untuk menguji hubungan langsung maupun tidak langsung dari sebuah model multidimensional mengenai pengaruh kepemimpinan transformasional terhadap perilaku ekstra peran yang dimediasi oleh kepuasan akan kualitas kehidupan kerja dan komitmen organisasional sebagai variabel antasenden. Sampel adalah 190 Guru Sekolah Menegah Umum (secara lengkap mengisi kuisioner). Dalam penelitian ini%2C secara signifikan kepuasan akan kualitas kehidupan kerja memediasi kepemimpinan transformasional terhadap perilaku ekstra peran%2C sebaliknya komitmen organisasional ditemukan tidak signifikan. Penerapan kepemimpinan transformasional dari kepala sekolah meningkatkan kepuasan akan kualitas kehidupan kerja%2C dan hal ini cenderung akan meningkatakan perilaku ekstra peran dari para guru. ransformational leadership%2C organizational citizenship behavior%2C quality of work life%2C and commitment organizational.

Tax planning : sebuah pengantar sebagai alternatif meminimalkan pajak

Abstract: It is not public's secret anymore, that if there are some efforts from tax payers, not only individual but also business entity to manage the amount of taxes that they have to be pay to the government. For them the taxes are cost, therefore they need to make some initiative or strategies to minimize the taxes liabilities in order to reach the optimal of the income after taxes. Generally, the strategies that have been done in a tax planning are considered taking advantages of the "holes" in tax regulation. That is why tax planning is not against the law. Abstract in Bahasa Indonesia : Bukan merupakan rahasia umum lagi, jika ada usaha-usaha yang dilakukan oleh wajib pajak, baik itu pribadi maupun wajib pajak badan untuk mengatur jumlah pajak yang harus dibayar. Bagi mereka pajak dianggap sebagai biaya, sehingga perlu dilakukan usaha-usaha atau strategi-strategi tertentu untuk menguranginya. Usaha-usaha atau strategi-strategi yang dilakukan merupakan bagian dari tax planning. Tujuan yang diharapkan dengan adanya tax planning ini adalah meminimalkan pajak terutang untuk mencapai laba sebelum pajak yang optimal. Biasanya startegi-strategi yang dilakukan dalam tax planning ini lebih pada memanfaatkan celah-celah atau lubang-lubang yang terdapat dalam undang-undang perpajakan. Oleh karena itu tax planning ini pada dasarnya tidak bertentangan dengan undang-undang. Kata kunci : taxes, tax planning, tax evasion, tax avoidance, biaya fiskal

Fuzzy adaptive teaching–learning-based optimization for global numerical optimization

Abstract: Teaching–learning-based optimization (TLBO) is one of the latest metaheuristic algorithms being used to solve global optimization problems over continuous search space. Researchers have proposed few variants of TLBO to improve the performance of the basic TLBO algorithm. This paper presents a new variant of TLBO called fuzzy adaptive teaching–learning-based optimization (FATLBO) for numerical global optimization. We propose three new modifications to the basic scheme of TLBO in order to improve its searching capability. These modifications consist, namely of a status monitor, fuzzy adaptive teaching–learning strategies, and a remedial operator. The performance of FATLBO is investigated on four experimental sets comprising complex benchmark functions in various dimensions and compared with well-known optimization methods. Based on the results, we conclude that FATLBO is able to deliver excellence and competitive performance for global optimization.

ANALISIS DAMPAK SERVICE PERFORMANCE DAN KEPUASAN SEBAGAI MODERATING VARIABLE TERHADAP LOYALITAS NASABAH (Studi pada Nasabah Tabungan Bank Mandiri Cabang Surabaya)

Abstract: The researcher is highly interested in many different opinions among same experts about the influence of service performance and customer satisfaction in establishing customer loyalty Thus, the aims of the research is to test the influence of service performance in establishing customer loyalty, and to test the influence of interaction of service performance and customer satisfaction in establishing the customer loyalty with customer satisfaction as a moderating variable between service performance and customer loyalty This research use Moderator Regression Analysis (MRA) technique This research was conducted in Surabaya with research objects of three service industrie They are Mandiri Banking in Surabaya The data of this research from the 300 questionaires distributed, 275 were returned The result of the research indicates that the interaction between service performance and customer satisfaction being participated in the model of moderator regression equality so the result will explain more of the variance in customer loyalty than the direct influences of either service performance or customer satisfaction Abstract in Bahasa Indonesia : Peneliti sangat tertarik dengan adanya perbedaan pendapat diantara para ahli tentang pengaruh kinerja jasa/layanan (service performance) dan kepuasan dalam pembentukan loyalitas nasabah, sehingga penelitian ini mempunyai tujuan yaitu: menguji pengaruh langsung service performance terhadap loyalitas nasabah, dan menguji pengaruh interaksi service performance dan kepuasan nasabah terhadap loyalitas nasabah dengan kepuasan sebagai variabel moderator antara service performance dan loyalitas nasabah Penelitian ini menggunakan alat analisis Moderator Regression Analysis Dilakukan di Surabaya dengan obyek penelitian tiga Bank Mandiri cabang Surabaya Data yang terkumpul 275 dari 300 kuesioner yang disebarkan Hasil penelitian menunjukkan bahwa interaksi antara service performance dan kepuasan nasabah sebagai variabel moderator dapat lebih menjelaskan variasi loyalitas nasabah daripada masing-masing variabel Kata kunci: service performance, kepuasan nasabah, loyalitas nasabah