Parallel Session | The 9th International Conference on Information and Communication Technology 2021

All time in the program schedule are in Western Indonesia Time / Waktu Indonesia Barat (WIB; GMT+7). Please pay attention and adjust it to your local time. Current time in WIB can be found on http://time.bmkg.go.id/ .

DAY 2: 4 AUGUST 2021 (11:00-13:00)

Title	Presenter	Affiliation	Room	Session chair
The role of technology capabilities and innovation capabilities in achieving business resilience of MSMEs during Covid-19: Empirical Study	Grisna Anggadwita	Telkom University, Indonesia	1A	Dr. Agus Sihabuddin, S.Si., M.Kom.
Gaze-Controlled Digital Signage for Public Health Education during Covid-19 Pandemic	Sunu Wibirama	Universitas Gadjah Mada, Indonesia	1A	Dr. Agus Sihabuddin, S.Si., M.Kom.
Analysis of the House of Risk (HOR) Model for Risk Mitigation of the Supply Chain Management Process (Case Study: KPBS Pangalengan Bandung, Indonesia)	Ratih Hendayani	Telkom University, Indonesia	1A	Dr. Agus Sihabuddin, S.Si., M.Kom.
Evaluation of the Social Restriction and its Effect to the COVID-19 Spread in Indonesia	Inna Syafarina	LIPI, Indonesia	1A	Dr. Agus Sihabuddin, S.Si., M.Kom.
Contributing Clinical Attributes to COVID-19 Mortality in Jakarta: Machine Learning Study	Muhamad Erza Aminanto	University of Indonesia (UI) & Jakarta Smart City, Indonesia	1A	Dr. Agus Sihabuddin, S.Si., M.Kom.
Multi-Target Regression Using Convolutional Neural Network-Random Forest For Early Earthquake Warning System	Adi Wibowo	Diponegoro University, Indonesia	1B	Dr. Tee Connie
Visually Similar Handwritten Chinese Character Recognition with Convolutional Neural Network	Wei Han Liu	Multimedia University, Malaysia	1B	Dr. Tee Connie
Compressive Sensing Image Watermarking Orthogonal Matching Pursuit	Irma Safitri	Telkom University, Indonesia	1B	Dr. Tee Connie
Traffic Sign Recognition with Convolutional Neural Network	Zhong Bo Ng	Multimedia University, Malaysia	1B	Dr. Tee Connie
Deep Convolutional Generative Adversarial Network Application in Batik Pattern Generator	Moch. Chamdani Mustaqim	University of Muhammadiyah Malang, Indonesia	1B	Dr. Tee Connie
Convolutional Neural Networks for Indonesian Aspect-Based Sentiment Analysis Tourism Review	Ahmad Hidayatullah	Universitas Islam Indonesia, Indonesia	1C	Dr. Yuliant Sibaroni
Sentiment Analysis on Marketplace Review using Hybrid Lexicon and SVM Method	Muhammad Mukhtar	Telkom University, Indonesia	1C	Dr. Yuliant Sibaroni
Forecasting Number of COVID-19 Cases in Indonesia with ARIMA and ARIMAX Models	Bimo Aji	Telkom University, Indonesia	1C	Dr. Yuliant Sibaroni
Disaster Tweet Classification Based On Geospatial Data Using the BERT-MLP Method	Iqbal Maulana	Telkom University, Indonesia	1C	Dr. Yuliant Sibaroni
Cyberbullying Detection on Indonesian Twitter using Doc2Vec and Convolutional Neural Network	Shindy Laxmi	Telkom University, Indonesia	1C	Dr. Yuliant Sibaroni
Digital Nudge Evaluation on COVID-19 tracing Application	Dyah Sukmaningsih	Bina Nusantara University, Indonesia	1D	Dr. Kusuma Ayu L
Developing Suicide Risk Idea Identification for Teenager (SERIINA) Mobile Apps Prototype using Extended Rapid Application Development	Tenia Wahyuningrum	Institut Teknologi Telkom Purwokerto, Indonesia	1D	Dr. Kusuma Ayu L
Designing An Educational Game Evaluation Framework Based On Game Mechanic	Fais Zharfan Azif; Satrio Rukmono	Institut Teknologi Bandung, Indonesia	1D	Dr. Kusuma Ayu L
Cultivating Recycling Awareness in Preschoolers using Animated Interactive Comic	Siti Zulaiha Ahmad	Universiti Teknologi Mara Perlis, Malaysia	1D	Dr. Kusuma Ayu L
Analysis Influence of The Organizational Learning Environment Factors To Encourage Employee Motivation Using E-Learning	Nanik Qodarsih	University of Indonesia, Indonesia	1D	Dr. Kusuma Ayu L
Distributed Phylogenetic Tree Processing on Biology Sequences Using Mapreduce	Renaning Susilo	Telkom University, Indonesia	1E	Dr. Dodi Qory Utama
Linear Regression Model to Predict the Spread of COVID-19 in Tangerang City	Yusuf Sudiyono	Bina Nusantara University, Indonesia	1E	Dr. Dodi Qory Utama
Strategic Information System Planning for Indonesia Non-franchise Pharmacies Based on John Ward and Factor Analysis Method	Tabah Arwiyanto	Diponegoro University, Indonesia	1E	Dr. Dodi Qory Utama
Flexible Multi-Layer Condura Fabric Ultra Wide-Band Antenna For Telemedicine Application	Yusnita Rahayu	Universitas Riau, Indonesia	1E	Dr. Dodi Qory Utama
Anonymizing Prescription Data Against Individual Privacy Breach in Healthcare Database	Dedi Gunawan	Universitas Muhammadiyah Surakarta, Indonesia	1E	Dr. Dodi Qory Utama

DAY 2: 4 AUGUST 2021 (14:00-16:00)

Title	Presenter	Affiliation	Room	Session chair
Facial Emotion Recognition using Transfer Learning of Alexnet	Sarmela Raja Sekaran	Multimedia University, Malaysia	2B	Dr. Lim Kian Ming
Vision-Based Employee Activity Classification	Rizal Putra	Telkom University, Indonesia	2B	Dr. Lim Kian Ming
Pneumonia Classification using Gabor-Convolutional Neural Networks and Image Enhancement	Muhammad Alfarizy	University of Muhammadiyah Malang, Indonesia	2B	Dr. Lim Kian Ming
Fingerprint Enhancement using Iterative Contextual Filtering for Fingerprint Matching	Brama Satria	Gadjah Mada University, Indonesia	2B	Dr. Lim Kian Ming
Histogram of Oriented Gradient Random Template Protection for Face Verification	Lucas Chong Wei Jie	Multimedia University, Malaysia	2B	Dr. Lim Kian Ming
Aspect-Based Sentiment Analysis in Beauty Product Reviews Using TF-IDF and SVM Algorithm	Nadira Arthamevia	Telkom University, Indonesia	2C	Dr. Imelda Atastina
Aspect Term Extraction Using Deep Learning-Based Approach on Indonesian Restaurant Reviews	Rachmansyah Adhi Widhianto	Telkom University, Indonesia	2C	Dr. Imelda Atastina
Spam Detection on Indonesian Beauty Product Review	Muhammad Ahsan Athallah	Telkom University, Indonesia	2C	Dr. Imelda Atastina
Emotion Classification on Indonesian Twitter Using Convolutional Neural Network (CNN)	Firhan Rusli	Telkom University, Indonesia	2C	Dr. Imelda Atastina
Mapping Complex Tourist Destination Preferences: Network Perspectives	Dian Ramadhani	Telkom University, Indonesia	2C	Dr. Imelda Atastina
Exploring the existence and variation of Game Player Traits among Undergraduate students in Malaysia	Mageswaran Sanmugam	Universiti Sains Malaysia, Malaysia	2D	Dana Sulistyo, Ph.D
Implementation of Continuous Integration and Continuous Delivery (CI/CD) on Automatic Performance Testing	Mohammad Rizky Pratama	Telkom University, Indonesia	2D	Dana Sulistyo, Ph.D
Understanding Government Reorganization Impact from Knowledge Management Perspective: A Study Case	Yulia Sulistyaningsih	University of Indonesia, Indonesia	2D	Dana Sulistyo, Ph.D
Enterprise Resource Planning Teaching in Post Pandemic using Gamification	Kaushal Jheengut; Dinesha Cauleechurn; Bibi Cadersaib	University of Mauritius, Mauritius	2D	Dana Sulistyo, Ph.D
RPA-based Bots for Managing Online Learning Materials	Siti Fatimah Abdul Razak	Multimedia University, Malaysia	2D	Dana Sulistyo, Ph.D
Holick's Rule Implementation: Calculation of Produced Vitamin D from Sunlight Based on UV Index, Skin Type, and Area of Sunlight Exposure on the Body	Jonathan Salomo	Bandung Institute of Technology, Indonesia	2E	Satria Mandala, Ph.D
T-COFFEE Multiple Sequence Aligner on Hadoop Spark Cluster	Viebiyanty Prihatiningrum	Telkom University, Indonesia	2E	Satria Mandala, Ph.D
Relaxation Oscillator Using Closed-loop Dual Comparator for Biomedical Applications	Theodora Valerie	Universitas Gadjah Mada, Indonesia	2E	Satria Mandala, Ph.D
Wireless Programmable body sensor networks and Situated Healthcare	Alberto Faro	Deepsensing srl, Italy	2E	Satria Mandala, Ph.D
Simulation Of Jellyfish Topology Link Failure Handling Using Floyd-Warshall and Johnson Algorithm in Software Defined Network Architecture	Muhammad Nugroho	Telkom University, Indonesia	2A	Dr. Bayu Erfianto
Game Theoretical Power Control in Heterogeneous Network	Anggun Isnawati	Institut Teknologi Telkom Purwokerto, Indonesia	2A	Dr. Bayu Erfianto
IoT Drone Camera for a Paddy Crop Health Detector with RGB Comparison	Aji Putrada	Telkom University, Indonesia	2A	Dr. Bayu Erfianto
A Review on IoT with Big Data Analytics	Abu Fuad Ahmad	Multimedia University, Malaysia	2A	Dr. Bayu Erfianto
Vehicle Blind Spot Area Detection Using Bluetooth Low Energy and Multilateration	Aji Putrada	Telkom University, Indonesia	2A	Dr. Bayu Erfianto

DAY 3: 5 AUGUST 2021 (08:15-10:15)

Title	Presenter	Affiliation	Room	Session chair
Enhanced AlexNet with Super-Resolution for Low-Resolution Face Recognition	Jin Chyuan Tan	Multimedia University, Malaysia	3B	Dr. Ema Rachmawati
An End-to-End Optical Character Recognition Pipeline for Indonesian Identity Card	Andreas Chandra	Warung Pintar Sekali, Indonesia	3B	Dr. Ema Rachmawati
A Study of Batik Style Transfer using Neural Network	Aditya Ihsan	Telkom University, Indonesia	3B	Dr. Ema Rachmawati
Tomato Plant Disease Identification through Leaf Image using Convolutional Neural Network	Aulia Yoren	Telkom University, Indonesia	3B	Dr. Ema Rachmawati
Non-Stationary Order of Vector Autoregression in Significant Ocean Wave Forecasting	Fikka Raudiya	Telkom University, Indonesia	3C	Dr. Didit Aditya
FN-Net: A Deep Convolutional Neural Network for Fake News Detection	Kian Long Tan	Multimedia University, Malaysia	3C	Dr. Didit Aditya
Sentiment Analysis of Ojek Online User Satisfaction Based on the Naïve Bayes and Net Brand Reputation Method	Alam Rahmatulloh	Siliwangi University, Indonesia	3C	Dr. Didit Aditya
Raw Paper Material Stock Forecasting with Long Short-Term Memory	Febryo Kurniawan	Tarumanagara University, Indonesia	3C	Dr. Didit Aditya
Mobile Customer Behaviour Predictive Analysis for Targeting Netflix Potential Customer	Suryadi Tanuwijaya	Telkom University, Indonesia	3C	Dr. Didit Aditya
Master Data Management Maturity Model (MD3M) Assessment: A Case Study in Secretariat of Presidential Advisory Council	Chielsin Ko	University of Indonesia, Indonesia	3D	Siti Zainab Ibrahim, M.Sc
Capturing Institution and Learners Readiness of e-Learning Implementation: A Case Study of a University in Bandung, Indonesia	Dawam Dwi Jatmiko Suwawi	Telkom University, Indonesia	3D	Siti Zainab Ibrahim, M.Sc
Satisfaction Factors of Indonesian National Civil Servant Recruitment System	Galih Avianto	University of Indonesia, Indonesia	3D	Siti Zainab Ibrahim, M.Sc
Implementation and Analysis of Reusability Framework Design for Event User Interface Component in Phaser 3	Dana Sulistyo Kusumo	Telkom University, Indonesia	3D	Siti Zainab Ibrahim, M.Sc
The Preliminary Study on the Perception of Engineering Students on Blended Learning	Min Chi Low	Universiti Tunku Abdul Rahman, Malaysia	3D	Siti Zainab Ibrahim, M.Sc
Implant Segmentation in Radiographic Imagery Using Multiresolution MTANN and Wavelet Decomposition	Rangga Perwiratama	Universitas Atma Jaya Yogyakarta, Indonesia	3E	Dr. Ng Chong Han
Improving Multi-Class Motor Imagery EEG Signals Classification Using Ensemble Learning Method	Deni Nugroho	Universitas Gadjah Mada, Indonesia	3E	Dr. Ng Chong Han
Implementation and Experimental Characterization of Dual-Band Wearable Reflector Composed of AMC Structure for Wireless Communication	Ichsan Nusobri	Institut Teknologi Bandung, Indonesia	3E	Dr. Ng Chong Han
Detection of Sinusoids with Frequency Drift in White Gaussian Noise	Bradley Comar	US DoD, USA	3A	Dr. Vera Suryani
Tone Detection System Design for Targets with Frequency Drift	Bradley Comar	US DoD, USA	3A	Dr. Vera Suryani
AADC 3: Active-Active Distributed Controller with 3-in-1 Asynchronous Heartbeat Synchronization Method in Software-Defined Networks	Muhammad Nugroho	Telkom University, Indonesia	3A	Dr. Vera Suryani
4G LTE Cellular Network Coverage Planning and Simulation on Mandalay Area with Propagation Model Cost-Hatta	Ahmad Idris	Universitas Al-Azhar Indonesia, Indonesia	3A	Dr. Vera Suryani
USB Flash Drives Forensic Analysis to Detect Crown Jewel Data Breach in PT. XYZ (Coffee Shop Retail - Case Study)	Daniel Septianto	Swiss German University & Asia Pulp and Paper, Indonesia	3A	Dr. Vera Suryani

DAY 3: 5 AUGUST 2021 (10:15 - 12:15)

Title	Presenter	Affiliation	Room	Session chair
A Low-Cost High-Accuracy Thermal Camera Using Off-the-shelf Hardware Devices	Dinh-Tien Tran	Ho Chi Minh City University of Technology, VNU-HCM, Vietnam	4B	Tjokorda Agung, S.T., M.T.
Sentinel 1 Classification for Garlic Land Identification using Support Vector Machine	Muhammad Agmalaro; Imas Sitanggang	Bogor Agricultural University, Indonesia	4B	Tjokorda Agung, S.T., M.T.
Recognition of Academic Emotions in Online Classes	Tee Connie	Multimedia University, Malaysia	4B	Tjokorda Agung, S.T., M.T.
Image Steganography Compressive Sensing Orthogonal Matching Pursuit	Irma Safitri	Telkom University, Indonesia	4B	Tjokorda Agung, S.T., M.T.
Indonesian Hoax Identification on Tweets Using Doc2Vec	Titi Widaretna	Telkom University, Indonesia	4C	Muhammad Alfian Amrizal, Ph.D
Electronic Nose Dataset for Classifying Rice Quality using Neural Network	Ferdy Erlangga	Telkom University, Indonesia	4C	Muhammad Alfian Amrizal, Ph.D
SVM Parallel Concept Test with SMO Decomposition on Cancer Microarray Dataset	Rahmat Prasojoe	Telkom University, Indonesia	4C	Muhammad Alfian Amrizal, Ph.D
Detecting Online Recruitment Fraud Using Machine Learning	Hridita Tabassum	BRAC University, Bangladesh	4C	Muhammad Alfian Amrizal, Ph.D
Data mining for revealing relationship between Google community mobility and macro-economic indicators	Gunawan Gunawan	University of Surabaya, Indonesia	4C	Muhammad Alfian Amrizal, Ph.D
Suitable Knowledge Management Process Implementation: a case study of PT Sinergi Sentra Digital	Yusuf Pratama	University of Indonesia, Indonesia	4D	Dr. Lew Sook Ling
Critical Success Factors for Project Tracking Software Implementation: A Case Study at a Banking Company in Indonesia	Hendro Hadi	University of Indonesia, Indonesia	4D	Dr. Lew Sook Ling
Assurance Case Pattern using SACM Notation	Nungki Selviandro	Telkom University, Indonesia	4D	Dr. Lew Sook Ling
Sustainability And Aptness Of Game Elements In A Gamified Learning Environment	Mageswaran Sanmugam	Universiti Sains Malaysia, Malaysia	4D	Dr. Lew Sook Ling
User Interface Model for Visualization of Learning Materials in Comic Strip Form Using Goal-Directed Design Method	Danang Junaedi	Telkom University, Indonesia	4D	Dr. Lew Sook Ling
Modified Pixel Value Ordering-based Predictor for Reversible Data Hiding on Video	Tohari Ahmad	Institut Teknologi Sepuluh Nopember, Indonesia	4A	Rio Guntur Utomo, Ph.D
Simulation and Analysis of Partial Transmit Sequence on Palm Date Leaf Clipping for PAPR Value Reduction	Vincent Vincent	President University, Indonesia	4A	Rio Guntur Utomo, Ph.D
Design Automation of Single Photon Counting Method for Quantum Random Number Generation	Dedy Putranto	Badan Siber dan Sandi Negara, Indonesia	4A	Rio Guntur Utomo, Ph.D
On the Modifications of a Digital Signature Algorithm with Secret Sharing	Mareta Wahyu Ardyani	Politeknik Siber dan Sandi Negara, Indonesia	4A	Rio Guntur Utomo, Ph.D
Connected Vehicle Communication Concept for Flood Level Warning Using Low Cost Microcontroller	Sumendra Yogarayan; Mohd Fikri Azli Abdullah	Multimedia University, Malaysia	4A	Rio Guntur Utomo, Ph.D
Randomness, Uniqueness, and Steadiness Evaluation of Physical Unclonable Functions	Rivaldo Sembiring	Telkom University, Indonesia	4A	Rio Guntur Utomo, Ph.D
Accessibility and Response Time Analysis on the COVID19 Website in Indonesia	Ryan Wicaksono	Telkom University, Indonesia	4E	Dr. Chong Siew Chin
Modified Bit Parity Technique for Error Detection of 8 Bit Data	Fakhira Zulfira	Telkom University, Indonesia	4E	Dr. Chong Siew Chin
IoT Application on Agricultural Area Surveillance and Remote-controlled Irrigation Systems	Ratnasari Rohmah	Universitas Muhammadiyah Surakarta, Indonesia	4E	Dr. Chong Siew Chin
Present-80 Encryption Algorithm Implementation on GPRS Arduino Mega-2560 Cyber Physical Tracking System	Rini Wisnu Wardhani	Politeknik Siber dan Sandi Negara & Badan Siber dan Sandi Negara, Indonesia	4E	Dr. Chong Siew Chin
Hunting Cyber Threats in the Enterprise Using Network Defense Log	Ardian Oktadika	Swiss German University, Indonesia	4E	Dr. Chong Siew Chin

DAY 3: 5 AUGUST 2021 (13:15 - 15:15)

Title	Presenter	Affiliation	Room	Session chair
Building an ID Card Repository with Progressive Web Application to Mitigate Fraud based on the Twelve-Factor App methodology	Kevin Akbar Adhiguna	Padjadjaran University & Lovia, Indonesia	5A	Dr. Ooi Shih Yin
XB-Pot: Revealing Honeypot-based Attacker's Behaviors	Ryandy Djap	Swiss German University, Indonesia	5A	Dr. Ooi Shih Yin
Design of a Snort-based IDS on the Raspberry Pi 3 Model B+ Applying TaZmen Sniffer Protocol and Log Alert Integrity Assurance with SHA-3	Rini Wisnu Wardhani	Politeknik Siber dan Sandi Negara & Badan Siber dan Sandi Negara, Indonesia	5A	Dr. Ooi Shih Yin
Learning Method of Performance-oriented Congestion Control (PCC) for Video Streaming Analysis	Sidik Prabowo	Telkom University, Indonesia	5A	Dr. Ooi Shih Yin
Experimental Investigation of Wave Absorber Made of Ring Resonator-Based AMC Structure	Ichsan Nusobri	Telkom University, Indonesia	5A	Dr. Ooi Shih Yin
Information Cascade Mechanism and Measurement of Indonesian Fake News	Asla Sonia	Telkom University, Indonesia	5B	Dr. Dyah Aruming Tyas
Fraud Accounts Identification Modelling on Multi-Platform E-Commerce	Grawas Sugiharto	Institut Teknologi Bandung, Indonesia	5B	Dr. Dyah Aruming Tyas
Classification on Participants Renewal Process in Insurance Company: Case Study PT XYZ	Noperida Damanik; Deddy Utomo	University of Indonesia, Indonesia	5B	Dr. Dyah Aruming Tyas
Hybrid Space-Time Model and Machine Learning for Forecasting Multivariate Spatio-Temporal Data	Hendri Prabowo	Institut Teknologi Sepuluh Nopember, Indonesia	5B	Dr. Dyah Aruming Tyas
Comparative Study of Covid-19 Tweets Sentiment Classification Methods	Untari Wisesty	Bandung Institute of Technology, Indonesia	5B	Dr. Dyah Aruming Tyas
Count Data Forecasting using Poisson Autoregression for COVID-19 Case Prediction in Jakarta	Bahrul Nasution	Jakarta Smart City, Indonesia	5C	Faizal Makhrus, Ph.D
Optimization of Crops Allocation Planning in Cianjur Involving Water Cost Constraints Using Genetic Algorithm	Bambang Wahyudi	Telkom University, Indonesia	5C	Faizal Makhrus, Ph.D
Fake News Detection with Hybrid CNN-LSTM	Kian Long Tan	Multimedia University, Malaysia	5C	Faizal Makhrus, Ph.D
Aspect Based Sentiment Analysis With Combination Feature Extraction LDA and Word2vec	Rizka Vio Octriany Inggit Sudiro	Telkom University, Indonesia	5C	Faizal Makhrus, Ph.D
Sentiment Analysis on Beauty Product Reviews using LSTM Method	Muhammad Rafii Danendra	Telkom University, Indonesia	5C	Faizal Makhrus, Ph.D
Indonesian ID Card Extractor Using Optical Character Recognition and Natural Language Post-Processing	Firhan Rusli	Telkom University & Lovia, Indonesia	5D	Dr. Chong Lee Ying
Analysis of Records Management Maturity Level for Data Collection of Network Assets in Indonesian Telecommunication Industry	Rizky Eka Putri	University of Indonesia, Indonesia	5D	Dr. Chong Lee Ying
Data Acquisition Guide for Forest Fire Risk Modelling in Malaysia	Yee Jian Chew	Multimedia University, Malaysia	5D	Dr. Chong Lee Ying
Implementation of Hidden Markov Model (HMM) to Predict Financial Market Regime	Irma Palupi	Telkom University, Indonesia	5D	Dr. Chong Lee Ying
Prediction of Graduation with Naïve Bayes Algorithm and Principal Component Analysis (PCA) on Time Series Data	Wishnu Herlambang	Telkom University, Indonesia	5D	Dr. Chong Lee Ying
Comparative Analysis of Support Vector Machine (SVM) and Random Forest (RF) Classification for Cancer Detection using Microarray	Irawansyah Irawansyah	Telkom University, Indonesia	5E	Assoc. Prof. Ts. Dr. Ong Thian Song
Evaluating the BPPT Medical Speech Corpus for An ASR Medical Record Transcription System	Elvira Nurfadhilah	Agency for the Assessment and Application of Technology (BPPT)	5E	Assoc. Prof. Ts. Dr. Ong Thian Song
Implementation of Simulated Annealing-Support Vector Machine on QSAR Study of Indenopyrazole Derivative as Anti-Cancer Agent	Isman Kurniawan	Telkom University, Indonesia	5E	Assoc. Prof. Ts. Dr. Ong Thian Song
Ransomware Detection on Bitcoin Transactions Using Artificial Neural Network Methods	Hairil Hairil	Telkom University, Indonesia	5E	Assoc. Prof. Ts. Dr. Ong Thian Song
Emotional Context Detection on Conversation Text with Deep Learning Method Using Long Short-Term Memory and Attention Networks	Afrida Helen	Universitas Padjadjaran (Unpad), Indonesia	5E	Assoc. Prof. Ts. Dr. Ong Thian Song