Does anyone know how Google Image Search (or Bing Image Search[1]) identify images as creative commons or public domain in the first place? If I'm a content pr

Does anyone know how Google Image Search (or Bing Image Search[1]) identify images as creative commons or public domain in the first place? If I'm a content provider that wants to maximize the chances that an image search will flag my images as CC or public domain, what should I do? Are there open graph or other meta tags? Or what? [1]: https://www.bing.com/images/search?q=dogs&qft=+filterui:license-L1&first=1&tsc=ImageHoverTitle https://www.bing.com/images/search?q=dogs&qft=+filterui:lice...