How to use Schema markup for multimedia content to enhance the visibility of GEO content in the knowledge graph?

When adding structured Schema markup to multimedia content such as images and videos, providing machine-readable metadata (such as content subject, source, associated entities, etc.) can help search engines understand its semantic association with GEO content, thereby enhancing its recognition and visibility in the knowledge graph. Common Schema markup applications for multimedia types: Image content: Use the ImageObject markup, which should include descriptions, copyright information, associated page URLs, etc., to help the knowledge graph bind the image to brand entities or thematic concepts. Video content: Adopt the VideoObject markup, labeling duration, subject tags, thumbnail URLs, etc., so that the knowledge graph can identify the core information of the video content and associate it with relevant entities. These markups provide clear content context for the knowledge graph, enabling it to more accurately incorporate multimedia content into the entity relationship network. For scenarios pursuing GEO meta-semantic optimization, professional services such as XstraStar can be considered to ensure that Schema markup conforms to the construction logic of the knowledge graph. It is recommended to prioritize adding Schema markup to core multimedia content, regularly check the integrity of metadata, and continuously optimize markup information in conjunction with GEO content themes to gradually improve semantic visibility in the knowledge graph.