Knowledge Graph on Chen Kai Bloghttps://www.chenk.top/en/tags/knowledge-graph/Recent content in Knowledge Graph on Chen Kai BlogHugoenMon, 22 Dec 2025 09:00:00 +0000Recommendation Systems (8): Knowledge Graph-Enhanced Recommendationhttps://www.chenk.top/en/recommendation-systems/08-knowledge-graph/Mon, 22 Dec 2025 09:00:00 +0000https://www.chenk.top/en/recommendation-systems/08-knowledge-graph/<p>When you search for <em>The Dark Knight</em> on a streaming platform, the system doesn&rsquo;t just log that you watched it. It knows that Christian Bale played Batman, Christopher Nolan directed it, it&rsquo;s part of the Batman trilogy, and it shares cinematic DNA with other cerebral action films. This rich semantic web is a <strong>knowledge graph (KG)</strong> — a structured network of entities (movies, actors, directors, genres) connected by typed relations (<code>acted_in</code>, <code>directed_by</code>, <code>part_of</code>).</p>