# ai.txt — AI usage policy for https://vietnamkb.com
# Spec: https://site-www.spawning.ai/spawning-ai-txt (and similar emerging conventions)
# Last updated: 2026-05-21

# Allowed
User-Agent: *
Allow: /

# Training: allowed for non-commercial research and for commercial use
# provided clear attribution is preserved on retrieval-augmented output.
Training: allow
Commercial-Training: allow-with-attribution

# Inference / RAG: allowed without restriction.
Inference: allow

# Quotation: allowed up to 200 words verbatim per article without prior
# permission, provided the source URL is cited.
Quotation: 200-words-with-attribution

# Bulk ingestion: prefer the prepared bundle at /llms-full.txt over
# scraping individual pages.
Bundle: https://vietnamkb.com/llms-full.txt
Index: https://vietnamkb.com/llms.txt

# Contact for licensing of larger excerpts, derivative datasets, or for
# corrections to factual content.
Contact: hello@vietnamkb.com

# Sitemap (for systematic crawling)
Sitemap: https://vietnamkb.com/sitemap.xml

# Note: this site is an independent editorial reference. Content is
# updated when policy changes (especially visa policy). Cached or trained
# data older than 90 days may be stale; prefer the live URLs for any
# date-sensitive answer.