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SyncWiki-DigitalObjectStorage.txt
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SyncWiki-DigitalObjectStorage.txt
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# Digital Object Storage #
# Digital Object Sources #
- The file system.
- Content Management Systems
- [
Fedora][1]
- [DSpace][2]
- [Alfresco][3] (embedded by
Adobe)
- Anything with an OAI-PMH interface (see below).
# Content Access Prototols #
The pipes that make the sources work.
- [OAI-PMH][4] ,
see [this
overview][5] .
- [
Attaching DC, RFC 1807 or MARC metadata][6]
- AtomPub
- [AtomServer][7] ,
[AtomServer
article][8] , APL
- [Apache Abdera][9]
APL
- [Atomojo server
& client][10] NBSD
- [atom-multipart][11]
- [Fedora][12]
- Supports a range of APIs, some Fedora-specific, and OAI-PMH
too.
- Plus, DB access, Amazon S3, DSpace, WebDav, CalDav, JCR, Atom,
etc.
List, from [http://discerning.com/topics/standards/resource_management.txt][13]
- list(resource_path, query_expr, accept_mime_type) these kinds
of formats
- HXDLG [http://hdlg.sourceforge.net/][14]
xmlns=[http://www.hdlg.info/XML/filesystem][15]
- manifest.xml xmlns=[http://openoffice.org/2001/manifest][16]
- atom:feed "application/rss+xml revision=[http://purl.org/rss/1.0/][17] "
- RMP (builtin)
- Web Collections [http://www.w3.org/TR/NOTE-XMLsubmit][18]
- OAI-PMH xmlns="[http://www.openarchives.org/OAI/2.0/static-repository][19] "
- TODO: RDDL [http://www.rddl.org/rddl2][20] (explain
what namespaces mean) and [http://www.w3.org/2001/tag/doc/nsDocuments/�][21]
- simply lists all metadata objects for all immediate children,
in a XML response wrapper
<pre>
&lt;collection xmlns="[http://gupe.org/rmp][22] " path="some/resource_path"&gt;
&lt;collection name="fred" ...&gt;
� �
<atom:entry>...</atom:entry>
��
</collection>
�� <data
name="fred/xml">
�� </data>
� </collection> </pre>
## Standards for Document Repositories ##
_[http://www.ukoln.ac.uk/repositories/digirep/index/Deposit_API
The JISC Digital Repository Programme as part of its work is
exploring the interaction between repositories and other
systems.][23] _[http://www.dlib.org/dlib/january03/smith/01smith.html
DSpace API Outline][24] _Mulitple, so need a repository definition
layer that defines: *Read method (HTTP hopefully).*Write method
(HTTP too, on WebDAV etc, but we may need property definitions for
different services).__Authentication system. Write, and probably
reads need authentication with the repo._WebDAV plus standard
metadata partner file (**name**.metadata.xml) would be
fine for uploads. *IDEA: Local wrapper allowing WebDAV access to
selected local files/directories would be a nice way of allowing
Planets access to arbitrary file resources. Even if just read-only
access.
----------
Ideally, we want repositories of digital objects, with features
like:
- Versioning.
- Change-logs/audit trails.
- Metadata attachments
- Relationships.
- Trusted Repository ([TRAC][25] )
conformance.
# Keeping Bits Safe #
- [MAID][26]
- etc.
- [Long-term
performance analysis of Intel Mainstream SSDs][27]
# Digital Object Sources #
- The file system.
- Content Management Systems
- [
Fedora][28]
- [DSpace][29]
- [Alfresco][30] (embedded by
Adobe)
- Anything with an OAI-PMH interface (see below).
- Similar to [Open
Service Interface Definitions][31] ?
# Content Access Prototols #
The pipes that make the sources work.
- [OAI-PMH][32] ,
see [this
overview][33] .
- [
Attaching DC, RFC 1807 or MARC metadata][34]
- [A Java
Harvester][35] .
- [A big list of
repositories][36] .
- [<code>http://arxiv.org/help/oa/index</code>][37]
- [Summary
of ResearchArchive at Victoria University of Wellington][38]
- AtomPub
- [AtomServer][39] ,
[AtomServer
article][40] , APL
- [Apache Abdera][41]
APL
- [Atomojo server
& client][42] NBSD
- [atom-multipart][43]
- [Offical Atom
link relationships][44] .
- [Fedora][45]
- Supports a range of APIs, some Fedora-specific, and OAI-PMH
too.
- Stores and moves in [
FOXML][46]
- Plus, DB access, Amazon S3, DSpace, WebDav, CalDav, JCR, Atom,
etc.
- [Google Data APIs
(like Atom)][47]
- [Windows Live Data
API][48]
List, from [http://discerning.com/topics/standards/resource_management.txt][49]
<code> list(resource_path, query_expr, accept_mime_type)
these kinds of formats HXDLG [http://hdlg.sourceforge.net/][50]
xmlns=[http://www.hdlg.info/XML/filesystem][51]
manifest.xml xmlns=[http://openoffice.org/2001/manifest][52]
atom:feed "application/rss+xml revision=[http://purl.org/rss/1.0/][53] " RMP
(builtin) Web Collections [http://www.w3.org/TR/NOTE-XMLsubmit][54]
OAI-PMH xmlns="[http://www.openarchives.org/OAI/2.0/static-repository][55] "
TODO: RDDL [http://www.rddl.org/rddl2][56] (explain
what namespaces mean) and [http://www.w3.org/2001/tag/doc/nsDocuments/][57]
simply lists all metadata objects for all immediate children, in a
XML response wrapper</code>
<pre><code> &lt;collection xmlns="[http://gupe.org/rmp][58] "
path="some/resource_path"&gt;
<collection name="fred" ...>
<atom:entry>...</atom:entry>
</collection>
<data name="fred/xml">
</data>
</collection>
</code></pre>
# Sub Sections #
- BuildingScalableInfrastructures
[1]: http://www.fedora-commons.org/documentation/3.0b1/userdocs/digitalobjects/objectModel.html
[2]: http://www.dspace.org/
[3]: http://www.alfresco.com/
[4]: http://www.openarchives.org/OAI/openarchivesprotocol.html
[5]: http://xml.coverpages.org/oams.html
[6]: http://www.openarchives.org/OAI/1.0/openarchivesprotocol.htm#appendix%201
[7]: http://atomserver.codehaus.org/index.html
[8]: http://www.infoq.com/articles/atomserver
[9]: http://incubator.apache.org/abdera/
[10]: http://code.google.com/p/atomojo/
[11]: http://www.tbray.org/ongoing/When/200x/2008/07/07/Atom
[12]: http://www.fedora.info/documentation/
[13]: http://discerning.com/topics/standards/resource_management.txt
[14]: http://hdlg.sourceforge.net/
[15]: http://www.hdlg.info/XML/filesystem
[16]: http://openoffice.org/2001/manifest
[17]: http://purl.org/rss/1.0/
[18]: http://www.w3.org/TR/NOTE-XMLsubmit
[19]: http://www.openarchives.org/OAI/2.0/static-repository
[20]: http://www.rddl.org/rddl2
[21]: http://www.w3.org/2001/tag/doc/nsDocuments/%C3%AF%C2%BF%C2%BD
[22]: http://gupe.org/rmp
[23]: http://www.ukoln.ac.uk/repositories/digirep/index/Deposit_API%20The%20JISC%20Digital%20Repository%20Programme%20as%20part%20of%20its%20work%20is%20exploring%20the%20interaction%20between%20repositories%20and%20other%20systems.
[24]: http://www.dlib.org/dlib/january03/smith/01smith.html%20DSpace%20API%20Outline
[25]: http://www.crl.edu/content.asp?l1=13&l2=58&l3=162&l4=91
[26]: http://en.wikipedia.org/wiki/Massive_array_of_idle_disks
[27]: http://www.pcper.com/article.php?aid=669
[28]: http://www.fedora-commons.org/documentation/3.0b1/userdocs/digitalobjects/objectModel.html
[29]: http://www.dspace.org/
[30]: http://www.alfresco.com/
[31]: http://en.wikipedia.org/wiki/Open_Service_Interface_Definitions
[32]: http://www.openarchives.org/OAI/openarchivesprotocol.html
[33]: http://xml.coverpages.org/oams.html
[34]: http://www.openarchives.org/OAI/1.0/openarchivesprotocol.htm#appendix%201
[35]: http://www.oclc.org/research/software/oai/harvester2.htm
[36]: http://gita.grainger.uiuc.edu/registry/
[37]: http://arxiv.org/help/oa/index
[38]: http://gita.grainger.uiuc.edu/registry/details.asp?id=2208
[39]: http://atomserver.codehaus.org/index.html
[40]: http://www.infoq.com/articles/atomserver
[41]: http://incubator.apache.org/abdera/
[42]: http://code.google.com/p/atomojo/
[43]: http://www.tbray.org/ongoing/When/200x/2008/07/07/Atom
[44]: http://www.iana.org/assignments/link-relations.html
[45]: http://www.fedora.info/documentation/
[46]: http://www.fedora.info/download/2.2.1/userdocs/digitalobjects/introFOXML.html
[47]: http://code.google.com/apis/gdata/
[48]: https://dev.live.com/livedata/sdk/Default.aspx
[49]: http://discerning.com/topics/standards/resource_management.txt
[50]: http://hdlg.sourceforge.net/
[51]: http://www.hdlg.info/XML/filesystem
[52]: http://openoffice.org/2001/manifest
[53]: http://purl.org/rss/1.0/
[54]: http://www.w3.org/TR/NOTE-XMLsubmit
[55]: http://www.openarchives.org/OAI/2.0/static-repository
[56]: http://www.rddl.org/rddl2
[57]: http://www.w3.org/2001/tag/doc/nsDocuments/
[58]: http://gupe.org/rmp