Motivation
nBe able to handle large number of content providers
–Rich collection of information that could be stored in digital libraries
–Large collection spanning multiple distributed databases
–Need to query information across several digital library
nNeed for a scalable digital library architecture
nRemove single point of failure or bottleneck
nKnowbots (Kahn, R and Cerf, V – 1988)
–Primary medium of communication and interaction between various major components in the digital library
n