· Xiaojing Yang · Research Engineering
How I Structure NLP Experiments
A research-engineering note on repositories, configs, data splits, logs, evaluation tables, and reproducible experiment workflows.
Blog
Foundations and research notes on mathematics, statistics, machine learning, NLP, LLMs, model evaluation, and applied AI systems.
- · Xiaojing Yang · Multilingual AI
Multilingual AI as a System Problem
A research note framing multilingual AI beyond translation: data, tokenization, evaluation, domains, language variation, and deployment constraints.
- · Xiaojing Yang · Explainability & Responsible AI
Bias Evaluation Is More Than Prompting
A responsible-AI note on controlled evaluation design, prompts, labels, metrics, human validation, and model-auditing evidence.
- · Xiaojing Yang · Retrieval & Knowledge Systems
Retrieval Is Not Just Vector Search
A retrieval-systems note on sparse, dense, hybrid, reranking, graph expansion, long documents, and evidence grounding.
- · Xiaojing Yang · Applied ML Systems
Applied ML Systems: From Data to Demo
An applied ML note on turning messy data into pipelines, models, evaluation reports, and usable demos.