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These factsheets are concise summaries of
issues of concern to the DOI" system user community:
Key Eacts on Digital Object Identiier System
Covering status
scope, origin and purpose of the DOI system; governance and business model; technical infrastructure and intellectual property considerations_
Designing_DOLApplications
Providing notes and
suggestions on common issues encountered in thinking about how the DOI system can
be applied_
DOLl-_System and Internet Identifier Specifications
The DOI System has been developed to ensure conformance with
levant generic external
formal
standards which are relevant
the Internet communities (IETF and W3C), including URI and URN:
Identifier Interoperability
A discussion of facilitating preservation, re-use and exchange of digital information to enable users
re-use identifiers (and their associated data) across different applications. Interoperability
encompasses the technical aspects and also consideration of the purpose and community of use of the identifiers 
The_indecs Framework
The DOI System uses work based on the indecs Framework as the basis for its semantic interoperability model. indecs provided an analysis of the requirements for metadata for
commerce of
intellectual property in the network environment.
DOLSystem and Standard Identifier Schemes
A discussion of the relationship between the DOl system and other registries 0f identifiers
which are compilations of unique identifiers that have information on
each item registered through an
organization which maintains it:
DOL System andthe_Handle_System
The DOI system
an implementation of the Handle System;
which was chosen because
matched the resolution requirements identified for the DOI concept:
DOLResolution Documentation
Technical discussion for software developers on resolving handles using the Proxy Server System , encoding handles for use in URIs , Proxy Server query parameters and the Proxy Server REST APL
Key