Data grid

• Sharing distributed image databases
• Enables collaborative working

Compute grid

• "On demand" computing provided by distributed infrastructure
• Users can access high performance computing when they need it
• Algorithms presented as grid services that can be combined with workflow tools
• Provenance tools (eg: Chimera) to provide "electronic paper trail"

People in "virtual organizations"

• Researchers can work together more effectively
• New ways for industry and academia to collaborate