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- Understand the main differences between Fedora 3 and Fedora 4
- Understand the considerations necessary for migrating from Fedora 3 to Fedora 4
- Explore new possibilities for enhancing data in Fedora 4
Differences Between Fedora
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3 and Fedora
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4
Nodes vesus Objects
Nodes with properties vs. XML objects.
This includes converting inline XML to properties or Datastreams.
Hierarchy versus Flat Filesystem
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XML Objects vs. Nodes
| Fedora 3 | Fedora 4 |
|---|---|
| FOXML objects | ModeShape nodes (still referred to as objects) |
| Inline and managed XML | RDF properties* |
*XML Datastreams are still supported
Flat Filesystem vs. Hierarchy
| Fedora 3 | Fedora 4 |
|---|---|
| Objects and Datastreams stored in flat directories | Objects and datastreams stored in a hierarchical filesystem |
Paths versus PIDs
Fedora 4 nodes are identified by a full path to their location on the filesystem, while Fedora 3 objects are identified by a PID in the URL.
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