AX Insight

AX Insight

Building your first RAG system? A step-by-step guide from document parsing to Q

“They’re telling me to build a chatbot with internal documents, but I’m not even sure what RAG is.” “There are too many components—where do I even start?” Everyone faces challenges ... <a title="Building your first RAG system? A step-by-step guide from document parsing to Q" class="read-more" href="https://blog.hancom.com/en/rag-system-build-document-parsing-guide/" aria-label="Read more about Building your first RAG system? A step-by-step guide from document parsing to Q">Read more</a>

2026.08.11

AX Insight

From RAG vs. Fine-Tuning to Choosing a Preprocessing Tool | Where Should You Start with Internal Document AI?

Are you unsure whether to choose RAG or fine-tuning when building internal document AI? We compare the differences between the two approaches and the criteria for applying them. We also explain, in an easy-to-follow way, why RAG preprocessing quality determines answer accuracy—and what to look for when choosing a document parsing solution.

2026.08.07

AX Insight

HWP File Parsing Guide | Why Parsing Directly Without PDF Conversion Changes RAG Performance

To improve RAG performance, you need to parse HWP files directly—without converting them to PDF. We’ve summarized everything at once: the structural differences between direct parsing of original HWP/HWPX files and PDF-conversion approaches, how they affect RAG retrieval accuracy, and the must-check criteria when choosing a solution.

2026.08.03

AX Insight

HWP·HWPX Data Extraction: From Format Structure to Open Source Libraries

The first challenge encountered in building an RAG pipeline is parsing Korean public documents. In this post, we examine the differences between HWP and HWPX format structures, the limitations of open-source libraries like pyhwp, hwplib, and hwp.js, and the criteria for evaluating professional solutions.

2026.07.31

AX Insight

How to Extract HWP Text with Python: From pyhwp Installation and Usage to Limitations and Alternatives

What is pyhwp, and where does it fall short? We have summarized everything from pyhwp installation and usage for HWP/HWPX text extraction to the limitations of Linux environments, library comparison and selection criteria, and practical alternatives for air-gapped environments.

2026.07.29

AX Insight

5 Must-Check Criteria Before Adopting a RAG Pipeline Document Parsing Solution

RAG pipeline performance is determined first at the document parsing stage—not by the LLM. We’ve organized five criteria for choosing a document parsing solution, from HWP/HWPX support and structural extraction accuracy to on-premises security environments, in a way even non-developers can understand.

2026.07.27