Allow configuration of Type Mappings for the KeywordLinkingEngine
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                 Key: STANBOL-536
                 URL: https://issues.apache.org/jira/browse/STANBOL-536
             Project: Stanbol
          Issue Type: New Feature
          Components: Enhancer
            Reporter: Rupert Westenthaler
            Assignee: Rupert Westenthaler
            Priority: Minor


The Type Mappings are used to determine the "dc:type" of the TextAnnotation 
based on the types of the suggested Entity. This mappings are already 
configurable in the EntityLinkerConfig [1] however currently there is no way to 
change the default configuration when creating an KeywordLinkingEngine instance.

Proposed Syntax:

    {uri}
    {source} > {target}
    {source1}; {source2}; ... {sourceN} > {target}

The first variant is a shorthand for {uri} > {uri} and therefore specifies that 
the {uri} should be used as 'dc:type' for TextAnnotations if the matched entity 
is of type {uri}. The second variant matches a {source} URI to a {target}. 
Variant three shows the possibility to match multiple URIs to the same target 
in a single configuration line.

Both 'ns:localName' and full qualified URIs should be supported.

The currently used default configuration is

    dbp-ont:Person; foaf:Person; schema:Person > dbp-ont:Person
    dbp-ont:Organisation; dbp-ont:Newspaper; schema:Organization > 
dbp-ont:Organisation
    dbp-ont:Place; schema:Place; gml:_Feature > dbp-ont:Place
    skos:Concept

This extension would allow to define additional mappings for types used in 
their ontologies e.g.

    dailymed:organization > dbp-ont:Organisation

but it would also allow to define new dc:types used with fise:TextAnnotations 
e.g. 

    drugbank:drugs; dbp-ont:Drug; dailymed:drugs; sider:drugs; tcm:Medicine > 
drugbank:drugs
    diseasome:diseases; linkedct:condition; tcm:Disease > diseasome:diseases 




[1] 
http://svn.apache.org/repos/asf/incubator/stanbol/trunk/enhancer/engines/keywordextraction/src/main/java/org/apache/stanbol/enhancer/engines/keywordextraction/linking/EntityLinkerConfig.java

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