Noah Han

All Articles

13 article(s)

Engineering & AI

Demystifying Conditional Random Fields (CRF) for NER: From Mathematical Elegance to Practical Implementation

A deep dive into the underlying mathematics of Conditional Random Fields (CRF), why they still matter in the age of LLMs, and a practical step-by-step guide to implementing sequence labeling using CRF++. Note: this is a combination of 2 old blog posts of me: https://blog.csdn.net/Felomeng/article/details/4288492 https://felomeng.blog.csdn.net/article/details/4367250

#NLP #Machine Learning #Legacy Tech
Career & Growth

A Programmer's Experience Sharing on Overseas Job Hunting

TL;DR: One year after relocating to the US, a veteran software engineer breaks down the reality of global IT job hunting. From salary tiers and visa lottery odds to cultural exclusivity and family friendliness, this post offers an unfiltered look at navigating tech careers across Japan, Singapore, Europe, Oceania, and North America. Note: This is a archived post migrated from my old Blog: https://blog.csdn.net/felomeng/article/details/50323069?spm=1001.2101.3001.10752

#Career Growth #Retrospective
Career & Growth

Thinking Methods: The Way of Survival for Programmers

Looking back at my first decade in the IT industry, this post captures my evolution from a pure tech-geek to a design-focused developer, and finally, to someone who understands that thinking methods trump technical stacks. Here, I share my core philosophy on problem-solving, customer-centric development, and a practical "binary search" approach to troubleshooting. Note: This is a archived post migrated from my old Blog: https://blog.csdn.net/felomeng/article/details/51404776

#Philosophy #Retrospective #Methodology #Career Growth