Blog

I collected every public review on OpenReview for ICLR, NeurIPS, and ICML. ICLR submissions grew 19-fold in eight years, and one in five now has 'LLM' in the title, yet those papers are accepted at exactly the average rate. Plus: the score that gives a coin-flip chance of acceptance, what rebuttals are worth, and the rise and fall of 'delve'.

Oct 7, 2026

I decomposed a year of hourly district-to-district flows in the Seoul metropolitan area into a handful of hidden travel motives, using flow counts only. Six motives match a static model with 463,000 parameters, the commuting motives move with subway smart-card counts (correlation 0.66–0.77), and on festival and rally days the model leaves +44–56% unexplained arrivals in Yeouido-dong. Recovering the provider's trip-purpose labels, however, barely beat time of day alone.

Oct 7, 2026

Schopenhauer's philosophy emphasizes the importance of human creativity and will, and argues that Korea's education system must move beyond simply transmitting knowledge toward cultivating dreams and imagination.

Jun 22, 2017

Through the anime 'Patema Inverted,' this piece revisits the notion of being 'upside down' as something that grows out of refusing to acknowledge the other, and argues for an education that values independent thinking and the joy of learning.

May 24, 2017

A reflection on a startup and collaboration experience, and the realization that true success comes not from material wealth, but from connecting with people and the happiness of being together.

Jan 31, 2016

The essence of love and life is a subjective projection that fills each person's own lack and hope — a process of finding meaning in existence even within its lightness.

Oct 31, 2015