@Incollection{floeck2017ssw, author = "Fabian Fl{\"o}ck and Maribel Acosta", booktitle = "Encyclopedia of Database Systems, Second Edition", doi = "10.1007/978-1-4899-7993-3{\_}80604-1", edition = "2018", isbn = "978-1-4899-7993-3", publisher = "Springer New York", title = "Semantic Social Web", year = "2017", }