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12:00-12:50 JST
CTO Keynote - LINE DEVELOPER DAY 2020
Euivin ParkLINE CTO
Breaktime
13:00-13:40 JST
LINE’s AI Product: The Future and Beyond
Shinichiro Isago, Minoru Etoh
13:40-14:20 JST
The past and future of machine learning research
Masashi Sugiyama
14:20-14:50 JST
Parallel WaveGAN: Fast and High-Quality GPU Text-to-Speech
Ryuichi Yamamoto
14:50-15:20 JST
CLOVA Speech: End-to-End Speech Recognition in Everyday Life
Hyuksu Ryu
Breaktime
15:30-16:00 JST
Environmental sound recognition with machine learning
Tatsuya Komatsu
16:00-16:30 JST
Unsupervised Separation of Speech for Smooth Communications
Robin Scheibler
16:30-16:40 JST
Developing a high quality language model for Japanese
Tung Nguyen
16:40-16:50 JST
ESP32 CLOVA - Running a smart speaker by 2 USD
Takahiro Ito
16:50-17:00 JST
AI filter assistance in video call systems
Michihiko Ueno
Breaktime
17:10-17:30 JST
Image-to-Image Translation and Applications
Yunjey Choi
17:30-18:00 JST
Differential Privacy in Machine Learning
Tsubasa Takahashi
Breaktime
13:00-13:40 JST
Call Platform Service triggered by COVID-19
Sanghyun Lee
13:40-14:00 JST
Secure Management/Use of Location to Improve User Experience
Shoji Morikawa
Breaktime
14:10-14:50 JST
LINE MediaStorage at scale
Dongjin Park
14:50-15:10 JST
Antman: Saving storage from a multimedia perspective
Seunghoon Baek
15:10-15:20 JST
Secure LINE Login with biometric key replacing password
Bekboum Pyun
Breaktime
15:30-15:40 JST
Event Delivery Improvement By Server-side Debouncing
Jeong Yeop Kim
15:40-15:50 JST
The journey to the automated deployment in OpenChat server
Seunghwan Joo
15:50-16:30 JST
Traffic intensive storages at LINE's Messaging Application
Javier Akira Luca de Tena
16:30-16:50 JST
Scalability and EDA for LINE Shopping platform
Jaekyun Yoo
Breaktime
17:00-17:30 JST
A new scalable social relation for LINE users : `Follow`
Kyoung chan Lee
Breaktime
13:00-13:30 JST
LINE's Omnidirectional Cyber Security Efforts and Challenges
Naohisa Ichihara
13:30-14:10 JST
Cross-platform Mobile Security at LINE
Charles Hubain, Sanghwan Ahn
Breaktime
14:20-15:00 JST
Real or Fake? The Future of Media Security and Privacy
Isao Echizen
15:00-15:20 JST
Manage SSL certificates with secure, reliable system
Hwee-jae Yoo, Noh Seung-Heun
15:20-16:00 JST
Meta learning for fun and profit
Jongho Shin
Breaktime
16:10-16:50 JST
Security architecture design for Hybrid Multi-cloud
Seungnam Jun, Geonhui Lee
16:50-17:20 JST
Host level security with HIDS agents on 20,000+ hosts
Taeee Kim
17:20-18:00 JST
The Basics of AI Security: Attacking & Defending AI
Isao Takaesu
Breaktime
13:00-13:30 JST
Sharing experience of LINE Infrastructure
Younghee Park
13:30-14:10 JST
Hyperscale distributed NAT system and software engineering
Hiroki Shirokura
14:10-14:50 JST
How GitOps Helps Kubernetes Adoption
Chih Chiang Tsai
Breaktime
15:00-15:40 JST
How LINE operates tens of thousands of physical machines
Kodai Matsumoto
15:40-16:20 JST
Network Access Control using Workload Identity
Daisuke Kotani
16:20-17:00 JST
Using Prometheus to Provide Large Scale Server Monitoring
Paul Traylor
Breaktime
17:10-17:50 JST
Kata Containers: When Virtualization Meets Cloud-Native
Peng Tao
Breaktime
13:30-14:10 JST
A day in the life of an OpenStack operator at CERN
Belmiro Moreira
Breaktime
14:20-14:40 JST
Making chat inquiries answerable by bots using an AI engine
Takayuki Yamada
14:40-15:20 JST
Corporate IT Strategy for a New Way of Working
Hideto Katano, Kazuya Yoshino, Masanori Hirose
Breaktime
15:30-16:10 JST
OpenChain - ISO Open Source License Compliance
Shane Coughlan
16:10-16:50 JST
Communication Protocol Evolving: Changes with QUIC & HTTP/3
Kazuho Oku
Breaktime
17:20-18:00 JST
Google Research on End-to-End Models for Speech Recognition
Michiel Bacchiani
Breaktime
13:30-14:00 JST
Making LINE Cloud Services No. 1 for Ease of Use
Kazuya Yoshino, Kengo Iwami, Takashi Sakai
Breaktime
14:20-14:50 JST
Hosting a Large-Scale Event Online, Preparing for DEV DAY
Kazuhiro Osawa, Mayu Kakuma, Kumpei Hikawa, Kota Momoki
Breaktime
15:10-15:40 JST
Growth dev, expert dev subsidiaries, and role of local bases
Ryota Kuroki, Takatoshi Terada, Keisuke Karino, Ryoma Jodoi
Breaktime
15:50-16:20 JST
Young Verda engineers discuss infrastructure development
Hiroki Shirokura, Motomu Utsumi, Yutaro Hayakawa
Breaktime
16:40-17:20 JST
Current progress on speech technologies and its future prospects
Masahito Togami, Yusuke Kida, Keisuke Imoto, Ryuichi Yamamoto
Breaktime
17:30-18:00 JST
Challenges at LINE as a security engineer
SeungJin Lee, HeungSoo Kang, Jongho Shin, Charles Hubain
©2020 LINE Corporation
Code of ConductPrivacy Policy
DAY 217:20-18:00 JST
Develop LINE's messaging app in Kotlin
Client
Client
Android
Panel Discussion
Guest
enAja
Kotlin has become "the first language" in Android app development. All new code in LINE’s messaging app development is written in Kotlin. In this session, with the main theme of "Develop LINE's messaging app in Kotlin", Hadi Hariri from JetBrains will answer questions from LINE Android App Development team about related to the latest release of Kotlin, Kotlin multi-platform, Kotlin compiler performance, future of Kotlin etc.
Android developers and people interested in development
Hadi Hariri
JetBrains
Developer and creator of many thingsOSS, he has been programming in one way, shape or form since the age of 12. Author of various publications and courses, Hadi has been speaking at industry events for nearly two decades. Host toTalking Kotlin, he works atJetBrainsleading the Developer Advocacy team, and spends as much time as he can writing code.
Masakuni Oishi
LINE App Dev Team1 Senior Software Engineer
As an Android client engineer, he is involved in the development of LINE applications. He is also the main developer of LINE's OSS library "Lich" https://github.com/line/lich
Daniel Vila
LINE App Dev Team7 Software Engineer
Daniel joined LINE in 2018 and his primary role involves development of the LINE Messaging app for Android. Part of his time developing has been improving code consistency and best practices across teams through the use of static analysis. He has been working on new features as well as overhauling and refactoring components to improve both the codebase and the user experience.

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