Rupert Westenthaler created STANBOL-1259:
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Summary: Add FallbackMode, URI Pattern and URI Prefix support to
the DereferenceEngine
Key: STANBOL-1259
URL: https://issues.apache.org/jira/browse/STANBOL-1259
Project: Stanbol
Issue Type: New Feature
Components: Enhancement Engines
Affects Versions: 0.12.0
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
The generic implementation of the DereferenceEngine should be extended by the
following options:
1. FallbackMode: If enabled it will not dereference Entities for those already
some triples are present in the Enhancement Structure
2. URI Prefixes: Allows to configure prefixes of URIs that should be
dereferenced
3. URI Patterns: Allows to configure regex pattern for URIs that should be
dereferenced.
An Entity will only be scheduled for dereferenceing if
* !fallbackMode OR no triples are available
* prefixes.isEmpty() && patterns.isEmpty()
* the entity URI matches any of the prefixes or patterns
This allows to have multiple Engine instances with different field and ldpath
configurations for different data sets (e.g. Geonames, DBPedia, SKOS, ...).
It also allows to avoid necessary calls Dereferencer that might need much more
time to check if they can dereference an Entity.
By default fallback mode should be enabled, prefixes and patterns will be empty.
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