Blogs

Presenting at UAI 2026 in Amsterdam

Presenting at UAI 2026 in Amsterdam

Oral and poster presentation of our OMPB paper at UAI 2026, held at KIT in Amsterdam.

Survey Paper Accepted by TMLR

Survey Paper Accepted by TMLR

Our CBO survey was accepted at TMLR, with a unified BO-loop review, a benchmark, and the PA-GAP metric.

AnyQRCode: A QR Code Generator That Runs Entirely in Your Browser

AnyQRCode: A QR Code Generator That Runs Entirely in Your Browser

A browser-only QR generator I built for posters, with a hand-written ISO encoder and no server.

Paper Accepted by TMLR

Paper Accepted by TMLR

PAC-Bayesian meta-learning for few-shot LTI identification, accepted as is at TMLR.

Paper Accepted as Oral at UAI 2026

Paper Accepted as Oral at UAI 2026

Our OMPB paper was selected as an oral at UAI 2026, one of 24 orals from 1,087 submissions.

ICDM Trip

ICDM Trip

Notes from my first academic conference, presenting STDiffusion at ICDM 2025.

Abstract Accepted by JMM 2026

Abstract Accepted by JMM 2026

Our Expert-guided Causal Bayesian Optimization abstract was accepted for presentation at JMM 2026.

Kaggle Competition Silver Medal: MAP - Charting Student Math Misunderstandings

Kaggle Competition Silver Medal: MAP - Charting Student Math Misunderstandings

Silver medal (top 5%) in MAP, my first LLM competition, using LoRA and a consistency-weighted ensemble.

Kaggle Competition Silver Medal: Child Mind Institute-Detect Behavior with Sensor Data

Kaggle Competition Silver Medal: Child Mind Institute-Detect Behavior with Sensor Data

Silver medal (top 1%) detecting BFRBs from wrist-worn IMU, thermopile, and time-of-flight sensors.

Paper Accepted by ICDM 2025

Paper Accepted by ICDM 2025

STDiffusion accepted as a regular paper at ICDM 2025, with a 13.5% full-paper acceptance rate.

Kaggle Competition Silver Medal: Child Mind Institute-Problematic Internet Use

Kaggle Competition Silver Medal: Child Mind Institute-Problematic Internet Use

First Kaggle silver (top 3%) predicting problematic internet use from noisy activity and tabular data.

Coffee Notes

Certificate Collection

Certificate Collection

A running gallery of SCA, Q Grader, and related coffee certificates.

Hiccup Class in Chengdu

Hiccup Class in Chengdu

A Chengdu coffee club afternoon where I taught my mom pour-over for the first time.

SCA CSP Barista Skills Intermediate Certificate

SCA CSP Barista Skills Intermediate Certificate

SCA Barista Skills Intermediate with Ye Kuang, covering espresso, milk texture, and station workflow.

Coffee Flower Tea: Panama Surfboard and Yunnan

Coffee Flower Tea: Panama Surfboard and Yunnan

Side-by-side tasting of Panama Surfboard and Yunnan coffee flower; the cup gap was smaller than the price.

SCA Registered Instructor

SCA Registered Instructor

Passed the SCA instructor registration exam with a full score and can now teach Intro to Cupping.

Q Grader Certification

Q Grader Certification

Earned the Q Grader certification as part of Chengdu’s first certified cohort.

SCA CSP Green Coffee—Intermediate Certificate

SCA CSP Green Coffee—Intermediate Certificate

SCA Green Coffee Intermediate, from origin and processing to moisture, defects, and arrival-sample quality.

SCA CSP Sensory-Professional and CVA-Cupper Certificate

SCA CSP Sensory-Professional and CVA-Cupper Certificate

SCA Sensory Professional and CVA-Cupper certificates, covering cupping protocol and coffee value assessment.

Leaves Panama Elida Torre 060324

Leaves Panama Elida Torre 060324

Bypass-brewing Leaves’ Elida Torre natural to keep early acidity and sweetness without over-extraction.

Leaves Coffee Roaster Yasuo Ishii Meetup

Leaves Coffee Roaster Yasuo Ishii Meetup

A rainy Kumquat pop-up with Yasuo Ishii, brewing Colombian Geisha and Ethiopian 74158 in double batches.

SCA CSP Brewing-Professional Certificate

SCA CSP Brewing-Professional Certificate

SCA Brewing Professional with Ye Kuang, from infrared syphon work to pour-over, immersion, and batch brewing.

Panama Finca Nuguo Geisha 535-N-NS & 508-WS40

Panama Finca Nuguo Geisha 535-N-NS & 508-WS40

Comparing Nuguo 535-N-NS natural and 508-WS40 washed Geisha lots for cleanliness and complexity.

Panama Geisha Cupping

Panama Geisha Cupping

My first cupping, a Panama Geisha lineup that made the variety less mythical and my palate more honest.