DOI DLF presentation

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DOI data model

•Two components

–Data Dictionary + DOI Application Profile Framework

•Data Dictionary

–indecs Data Dictionary. Provides tool for precise description of entity through metadata (and mapping to other schemes).

–<indecs> = interoperability of data in e commerce systems; adopted by ISO MPEG 21 as MPEG Rights Data Dictionary (RDD)

•DOI-AP framework.

–Provides means of relating entities: grouping entities and expressing relationships

–An AP is a mechanism for grouping DOIs with similar properties

•DOIs, APs, DOI services:

–have many-to-many relationships: expressed through multiple resolution (handle)

–may have precise descriptions: expressed through metadata via indecs Data Dictionary