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To support the differing needs for sophisticated, rich searching, Fedora 4 comes with a standard mechanism and integration point for indexing content in an external service. This could be a general search service such as Apache Solr or a standalone triplestore such as Sesame Fuseki or Fuseki.Blazegraph |
To set up external index and searching you must:
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Install and configure standalone search applications
fcrepo-message-consumer currently supports the following triplestoresThe following search applications have been tested:
- Jena Fuseki (Fuseki setup instructions)
- Sesame (Sesame setup instructions)
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See the External Triplestore page for more details on the triplestore setup. |
fcrepo-message-consumer currently supports the following indexer:
- Blazegraph (Blazegraph setup instructions)
- Solr (Solr setup instructionsApache Solr (https://cwiki.apache.org/confluence/display/solr/Getting+Started)
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See the Solr Indexing Quick Guide to get quickly up and running with a Fedora 4 Solr integration. |
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Install and configure fcrepo-
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camel-toolbox
The following github page has detailed instructions as to how to set up fcrepo-messagecamel-consumertoolbox. This standalone app listens to messages produced by fcrepo4 and invokes the search applications as configured:
https://github.com/fcrepo4-exts/fcrepo-message-consumer
Mark a resource as Indexable and assign an appropriate indexing transformation
For a resource to be indexed it must:
- have the rdf type http://fedora.info/definitions/v4/indexing#Indexable
- (optionally) have the property http://fedora.info/definitions/v4/indexing#hasIndexingTransformation set to a registered index transformation
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A default indexing transformation exists that maps the appropriate properties to the field names "title", "uuid" and "id". To meet your needs, you can write and register custom indexing transformations. |
Create new objects with indexing properties
For an object to be indexed it must have a rdf:type of indexing:Indexable, and optionally a indexing:hasIndexingTransformation corresponding to an LDPATH program.
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| title | create object |
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