Software. Digitalisation. Consulting.https://thomas-karner.com/enhttps://thomas-karner.com/en/blog/voidrab-pdf-tools/https://thomas-karner.com/en/blog/voidrab-pdf-tools/The PDF Co-Viewer for reviewing documents together and the PDF Pattern Matcher for checking large batches of documents against each other – how they work and what they are for.Fri, 20 Feb 2026 00:00:00 GMThttps://thomas-karner.com/en/blog/rag/https://thomas-karner.com/en/blog/rag/What retrieval-augmented generation (RAG) is, which weaknesses of language models it addresses, and what companies should consider around data protection and roll-out.Wed, 05 Nov 2025 00:00:00 GMThttps://thomas-karner.com/en/blog/activiti/https://thomas-karner.com/en/blog/activiti/We moved three BPMN processes off an outdated Activiti engine and reimplemented them in Java. A field report on approach, effort and lessons learned.Fri, 31 Oct 2025 00:00:00 GMT