1. U.S. National Health Information Network (NHIN) and Open Source Health Information Exchange (HIE) Solutions. http://www.hoise.com/vmw/07/articles/vmw/LV-VM-01-07-29.html
2. Amazon S3 availability event: July 20 (2008) http://status.aws.amazon.com/s3-20080720.html
3. caBIG architecture workspace: common query language SIG, summary and initial recommendations. https://cabig.nci.nih.gov/archive/SIGs/Common%20Query%20Language/ArchWSQuery%20SIG_Recomd_F2F_%20March05.ppt
4. DXQP—Distributed XQuery processor. http://sig.biostr.washington.edu/projects/dxqp/
5. Project voldemort: reliable distributed storage. Invited talk at ICDE (2011) http://project-voldemort.com/