Introduction to Works of ML Engineer in LY Corporation

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© LY Corporation Agenda 01 Self Introduction 02 Motivations to Work in Japan and LY Corp 03 Overview of Our Team 04 Current Works 05 Advices for Job Hunting on Data Expert Positions 06 Fresh Graduate Recruit 07 Contact Me 08 Q & A 2

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© LY Corporation My Profile 4 2024 – present: Machine Learning Engineer, DSG5ML1-Sol4 Team, DS Group, LY Corporation 2019 - 2023: Machine Learning Engineer, LFK Data Labs, LINE Fukuoka 2018 - 2019: Data Scientist, LFK Data Labs, LINE Fukuoka 2013 - 2018: CRM Data Analyst, Data Service Department, Animals Asia Foundation Limited 2015 - 2017: MPhil in Data Science, Kansai University 2010 – 2013: BSc in Mathematics (Statistics), The Hong Kong University of Science and Technology Nationality: Hong Kong Terry So

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© LY Corporation 8 Reasons to Join LY Corp 1. Large-scale data 2. Plenty of computational resources and infrastructures • Clusters of Servers • GPUs etc. 3. Able to learn and implement the most advance technologies 4. Able to engage in challenging and high-difficulty work. 5. Diverse working environment

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© LY Corporation 11 Roles of DSG5ML1-Sol4 Team 1. Develop ML/AI systems or services which can . ➢eg: 1. Natural Language Processing (NLP) 2. Computer Vision (CV) 3. Time Series Forecasting 4. Recommendation System etc. 2. Maintain those systems or services after deployed to production environment

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© LY Corporation 15 Line Stickers Review 1. Copyright violation • Duplicate stickers • Stickers containing copyright-protected ACGN (anime/comic/game/novel) characters 2. People Image right violation • Celebrities in particular countries eg. ➢ Royal family in Thailand ➢ Sensitive Politicians in Korea etc. 3. Some symbols prohibited by law in particular countries • Rainbow, Nashi, Rising sun flag

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© LY Corporation 21 Raw Yahoo Ad-submission Data • Original text data for ad oExample (dummy data for demo): ➢{‘advertiser account name’: ‘terry abc corp’, ‘campaign name’: ‘terry abc ad campaign’, ‘advertisement title’: ‘terry abc ad 101’, ‘advertisement description’: ‘1st advertisement of terry abc corp’, ‘advertisement link url’: ‘www.terrysocorp.com’} ❖ Missing: • Goods? • Categories of Good? • Brands of Good? • Company Name? • …

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© LY Corporation 23 Yahoo Ad Metadata Generator Example(dummy data for demo): ➢ {‘Goods’: ‘cosplay make-up, costume services’, ‘Categories of Goods’: ‘clothes and make-up’, ‘Brands of Goods’: ‘terry cosplay’, ‘Company Name’: ‘terry abc corp’, …}

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© LY Corporation What You Can Do Now 4. Join Kaggle • Kaggle Competition provides many useful industry- level resources: ➢Data, ➢State-of-art Models, ➢latest data science techniques and technologies ➢Common approaches in industry fields

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© LY Corporation What You Can Do Now 5. Register LinkedIn account and prepare your profile • Get latest job market information • Promote yourself and your expertise • Connect people in ML/data science community

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© LY Corporation What You Can Do Now 6. Register OpenAI account and be proficient in Chatgpt • Answer your questions about AI/ML and job hunting immediately • Rapidly start your coding • Help generate some data you need • Get sense of what generative AI and Large Language Model (LLM) are • Know trend of AI/ML fields

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