Writing on things that cross my mind.

Thoughts on the things i have built or want to built. Technical and philosophical at times.

From Invoice Data to Cost Control: Budget Planning in Project Development

Extracting structured data from invoices is the easy half. The value appears when that data lands on the right project, gets compared against a budget, and turns into a forecast you can act on before the money is gone. A field report on cost allocation, commitment tracking, and where AI genuinely helps in project controlling — and where it quietly makes things worse.

Automating Incoming Invoice Processing: OCR, LLM Extraction, and the Pitfalls In Between

Manually keying supplier invoices into an ERP is slow, error-prone, and expensive. Modern document AI promises to fix that — but classic OCR and LLM-based extraction fail in very different ways. A field report on what works, what doesn't, and the traps to avoid when building an invoice pipeline with Python and LLMs.