The Semantic Web provides a means to link information on the web to each other and to things in real life in an interoperable way. Internationalized Resource Identifiers, of which URLs are a type, are used to identify nearly everything, and linked data makes it possible to visit those URLs to get more information about the things they represent. This has some very useful applications, especially in biobanking. Semantics was literally made for biomedical research, and here are four ways in which that relationship can help make biobanks better information resources: