Creative Commons provides free tools that let authors, scientists, artists, and educators easily mark their creative work with the freedoms they want it to carry. You can use CC to change your copyright terms from "All Rights Reserved" to "Some Rights Reserved."
N. Forgó, I. Lishchuk, and M. Stauch. ALLDATA 2016 The Second International Conference on Big Data, Small Data, Linked Data and Open Data, page 59-64. (2016)