# André Lindenberg > Agents, Graphs, Ontologies: work, signals, and notes by André Lindenberg (@alindnbrg) on applied AI systems. ## Primary pages - [Feed archive](https://andrelindenberg.de/): Chronological feed of posts and source links. - [About](https://andrelindenberg.de/about): Site purpose, archive facts, stack notes, data boundary, and contact links. - [RSS feed](https://andrelindenberg.de/rss.xml): Latest public posts as RSS. - [Sitemap](https://andrelindenberg.de/sitemap.xml): Canonical crawlable URLs. - [Robots policy](https://andrelindenberg.de/robots.txt): Crawler access policy. ## Identity - Name: André Lindenberg - Handle: alindnbrg - X: https://x.com/alindnbrg - LinkedIn: https://www.linkedin.com/in/alindnbrg/ ## Crawling notes - Public pages are intended to be crawlable by search engines and AI agents. - The `/auth` route is a private admin interface and has no public content value. - Individual post source links point to third-party platforms; cite the original source when using an individual post.