I have a small website that hosts text content that user can upload (short novels, essays, other personal work). How do I protect the website from people who might upload copyrighted content (i.e., material that is not their intellectual property, copy-pasted works of other authors, ...)?
Of course, I have already a system in place that "probes" the material's content, so as to disallow anything that is not strictly text. However, there is no way to check whether the given text contains (or is) copyrighted material.
Does anyone have experience with such situations? How would a webmaster go about protecting their site?