Thx to  http://markharrison.co.uk/blog/2005/02/information-bridge-framework-15.htm

Microsoft Office Information Bridge Framework 1.5 is now available ... with IBF developers can create and deploy custom solutions that integrate with an organization's existing IT infrastructure. It reduces development costs and increases flexibility, manageability, security, and extensibility of Microsoft Office-based information integration solutions.

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Resource Kit

From Patrick ...

IBF 1.5 Download

IBF 1.5 Resource Kit

New Features in IBF 1.5