[jira] [Resolved] (STANBOL-1259) Add FallbackMode, URI Pattern and URI Prefix support to the DereferenceEngine

["Rupert Westenthaler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STANBOL-1259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rupert Westenthaler resolved STANBOL-1259.
------------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.12.0

Implemented with http://svn.apache.org/r1559637 in 0.12 and merged with http://svn.apache.org/r1560295 to trunk

> 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
>             Fix For: 0.12.0
>
>
> 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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