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Notes on software development, artificial intelligence, and what I learn along the way.

03 posts

All Software Development 4 Artificial Intelligence 3 Career & Community 1

Latest

18 October 2026

4 min read

Artificial Intelligence

Python Machine Learning NLP

Text Classification with Little Data: 0.82 F1 from 46 Examples

Why TF-IDF struggles with little data, and how language-model embeddings with logistic regression lifted an off-topic filter from 0.69 to 0.82.

18 October 2026 · 5 min read

Turkish Text Classification with XLM-RoBERTa, Step by Step

Fine-tuning XLM-RoBERTa on Turkish and English financial headlines: leakage control, weighted loss, training setup and 0.79 macro-F1.

Artificial Intelligence

15 October 2026 · 6 min read

Sentiment analysis on financial headlines: why the benchmark misleads

A model scoring 0.79 on the benchmark dropped to 0.53 on real Turkish headlines. The cause was domain shift; a neutral decision threshold lifted it to 0.72.

Artificial Intelligence