Resumen
This article examines how one data hub is working to become a relevant and useful source in the Web of big data and cloud computing. The focus is on OCLC?s WorldCat database of global library holdings and includes work by other library organizations to expose their data using big data concepts and standards. Explanation is given of how OCLC has begun work on the knowledge graph for this data and its active involvement with Schema.org in working to make this data useful throughout the Web.