Takuya Kitazawa
What I'm Doing Now
Contact Me
Professional Services
The End of the Beginning—What I Talk About When I Talk About Malawi
Materializing Digital Transformation
I'm Not "China"—Connecting HERE and THERE in Systems
Language: Behind the Power Dynamics in Information Society
One of the Poorest Life Is Not *That* Bad
Relativize Malawi, and Rethink Their Contexts
My 2023 Annual Review: Between Individual and Systems
Is Computer Education Always Good?
Starting with Humanity—Growth and Technology Otherwise Hurt You
Dilemma over "Best Practice": How We Could Develop Data Protection Practices in Malawi
Definition, Role, and Current Status of Digital Literacy in Malawi #LiteracyDay
Starting Field Study on How Information Flows in Malawi
Runner's Search for Identity
Information Sustainability, Mindful Consumption, and Healthy Engineering
When We Lose Autonomy—Whose Life Are You Living?
Three Perspectives on Large Language Models and Their Emerging Applications
How Information Flows: From Field Studies to Risk Mitigation
The Complexity of Simplicity: Tacos, Sushi, and ChatGPT
My 2022 Annual Review: Towards the Deepness
Mentoring on @ADPList. Here's What I Think. #ADPListWrapped
Data Are Created, Collected, and Processed by People
Fluid People and Blended Society: How Systems Model "Dividuals"
The Locality of Information and Technology
Google Cloud Dataflow and Its Positive Impact on Developer Productivity
Connecting the Dots in Complexity
Updating My View of Nuclear Power
Why We "Productize"
Ethics in Recommendation Pipeline—A First Look at RecSys 2022 Papers
My First Month as Self-Employed
Reviewing Things I Do Not Know About the Indian Act #NDTR
Why Your Job Title Matters (Cont.)─Technology for the People
Seeing Past and Present in Coursera "Machine Learning on Google Cloud" Specialization
How I Define "Artificial Intelligence"
Privacy Policy
Paddling in the Life, and Currently I'm a Freelance Software Developer
Dilemma of Creative Selection
Recommendation.jl Came Back to #JuliaCon 2022
Indigenous Canada: Storytelling, Community, and Sustainability
Becoming Permanent Resident of Canada
My First Post-Pandemic International Trip
Rethinking Why, When, and How I Learn
Am I Zombie? Autonomy vs. Recommendations on the Internet
What I Like About Microsoft Recommenders Repository
Starting with Empathy to #GetReal, Beat Loneliness, and Be Ethical. #MentalHealthWeek
Learning Canada's History
"Why Do We Build This?" Humane Technologist's View of Bad Product/Project
Loneliness Is Worse Than Smoking, Alcoholic, Obesity
Cross Validation for Recommender Systems in Julia
3 Pillars of Ethics' Scope: Society, Personal Relationship, and Individual
It "Was" Ethical: Key Takeaways from UMich's Data Science Ethics Course
Security, Privacy, and Ethics in the Web 3.0 Era
Serendipity: It's Relevant AND Unexpected
Recommender Diversity is NOT Inversion of Similarity
Validate, Validate, and Validate Data. But, in terms of what?
"Out of Scope"
"Definition of Done"
Data Ethics with Lineage
The Producer-Consumer Gap
"Diversity" Means More Than What We Typically Think
Recommendation.jl v0.4.0: Working with Missing Values, Data Typing, and Factorization Machines
Ethical Product Developer
My 2021 Annual Review: A Year of Divergence (And Slowly Started Converging)
Quality Habit-Formation: It's Like Casting a Vote on My Desired Identity
How Can Recommender Systems Contribute to Mitigate Echo Chambers and Filter Bubbles?
What Container and JIT Mean for Today's Supply Chain Disruption
I Tried Audio Journaling for 30 Days
Cross-Framework Dependency Injection with spring-guice
My 30-Day Food Tracking Challenge from Sustainable Diet Perspective
User-Centricity Matters: My Reading List from RecSys 2021
Understanding Big Tech's Sustainable Commitment with Word Cloud
Sustainable Capitalism: The Importance of Long-Term Thinking and Adaptivity
Voting for 2021 #BCAleTrail Best Brewery Experience Award
Save HTML <svg> as an Image
Next "Dot" in Journey: Curiosity-Driven Job Change in Canada (Aug 2021)
Why Your Job Title Matters
Reviewing Ethical Challenges in Recommender Systems
Understanding Array Bisection Algorithm
Hi Product Managers, Are You Creating Products That *You* Love?
Unusual Drinking & Eating Habits: Non-Alcohol, Decaf, Flexitarian
A Journey of Sustainable Development #SDGMOOC
Actionable Insights from Supply Chain Analytics
Environmental Problems Through the Lens of Business
My First Impression After Reading Bill Gates's "How to Avoid a Climate Disaster"
Learning Cryptocurrency with Code
What Blockchain Brings to Real-World Applications
The Essence of Supply Chain Management
Moving to Canada: Adding Randomness to My Life
How Much CO2 Emissions Have Your Flights Made?
Moving Julia Project from Travis CI to GitHub Actions #JuliaLang
Practicing D3 Interactive Data Visualization with Fitbit Activity/Sleep Log
Datavis 2020: A Free Online Course About D3.js & React
Are You Still Writing a Resume in Word/LaTeX?
What I Think About When I Talk About ML Product
Language as a Design Tool
Don't "Guess" How People in Other Roles Work
Completed Functional Programming in Scala Specialization on Coursera, Finally
Issue-Driven Makes You Professional
How I'm Working From Home
What Makes a Good Dashboard: The Rise of Augmented Analytics
Life with (Partially) Broken iPhone
The Hardest Part of 2020's Strategic Ideation
Why a Data Science Engineer Becomes a Product Manager
Design Thinking = Capturing the World Like a Designer
The Rise of Customer-Centric Retailing @ NRF Retail's Big Show #NRF2020
How to Produce Ideas
What I've Seen at IoT Solutions World Congress 2019
Rethinking the Role of Data Leaders @ Data Leaders Summit Europe 2019
ApacheCon 2019 North America #ACNA19 & Europe #ACEU19
Apache Hivemall Meets PySpark: Scalable Machine Learning with Hive, Spark, and Python
I Stopped Drinking Alone for 4 Months
What's New and Coming to Apache Hivemall: Building More Flexible Machine Learning Solution for Apache Hive and Spark
Hello Netrify for Hosting a Static Site
Lightning Talk about Recommender Systems in Julia at #JuliaCon 2019
User Modeling, Adaptation, Personalization for Marketing #UMAP2019
Recommendation.jl: Building Recommender Systems in Julia
Zero-Coding UMAP in Marketing: A Scalable Platform for Profiling and Predicting Customer Behavior by Just Clicking on the Screen
TokuDB in MariaDB (on Ubuntu)
Publishing My Master's Thesis with Documenter.jl
Apache Hivemall in PySpark
Feeding User-Item Interactions to Python-Based Streaming Recommendation Engine via Faust
Attending MLconf SF 2018 #mlconf18
Sending Sensor Data from Mbed Simulator to Treasure Data
Apache Hivemall at #ODSCEurope, #RecSys2018, and #MbedConnect
Query-Based Simple and Scalable Recommender Systems with Apache Hivemall
Apache Hivemall: Query-Based Handy, Scalable Machine Learning on Hive
Understanding Research Trends in Recommender Systems from Word Cloud
FluRS: A Library for Streaming Recommendation Algorithms
Deploying Static Site to GitHub Pages via Travis CI
Hugo meets kramdown + KaTeX #gohugo
Moving to GitHub Pages
Comparison of Running Time of Cached/Uncached Spark RDD
Sketching Dynamic User-Item Interactions for Online Item Recommendation
Parallel Programming vs. Concurrent Programming
FluRS: A Python Library for Online Item Recommendation
Recommendation.jl: Building Recommender Systems in Julia
My New Year's Resolution 2017: Write an Article Every Week
Incremental Factorization Machines for Persistently Cold-starting Online Item Recommendation
Migrate to Hugo from Jekyll: Another Solution for the MathJax+Markdown Issue
PyCon JP 2015 #pyconjp
Japan PHP Conference 2015 #phpcon2015
Machine Learning Summer School 2015 Kyoto #MLSSKYOTO
User Modeling in Folksonomies: Relational Clustering and Tag Weighting
How to Derive the Normal Equation
Hello English Entries