behind the stories, things i helped create.

2026 SOPA Awards | Infographics: Honourable Mention

What’s wrong with the “traffic circles” in Taiwan?

Using the DBSCAN algorithum to cluster thousands of official accident records, I tried to recreate what goes wrong at each roundabout, so we can build more roundabouts, fewer “traffic circles”.

〈全台圓環體檢〉數據幕後:兩塊鳳梨酥+機器學習演算法,如何幫我們從219萬筆交通資料庫拆解圓環設計問題?2026/2/24【Data Reporter】全台圓環大體檢(上):哪些圓環頻傳傷亡事故?癥結怎解?2025/12/24

Tracking PLA drills and Taiwan’s preparedness

We’ve collected millions of AIS records and years of PLA activities around Taiwan, helping us rebuild the Hong Tai’s track before it cut Taiwan’s undersea cable and understand what’s happening around us during those mysterious drills.

Crunching the numbers.

Using extensive regex and PDF parsers to finagle local government budget documents and find out what the new fiscal law could do to local governments' fiscal independence. (This was before LLMs can actually read files and I’m still proud of my regex masterpiece.)