Xixi Luo is working with the Tetherless World Constellation on the DataONE project under the mentorship of Prof. McGuinness . She was a visiting PhD student at TWC from 2007 to 2009. She received her PhD in 2011 from the School of Computer Science and Engineering, Beihang University, China. As a DataONE postdoctoral fellow, she researches the specification, adoption, and implementation of semantic technologies that will enable DataONE to achieve its data discovery and integration objectives. Her research interests include ontology reuse, reputation mechanisms, and Linked Data.