[jira] [Created] (STANBOL-1030) EntityLinking should sort Suggestions with the same score based on entity rankings

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

Rupert Westenthaler created STANBOL-1030:
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             Summary: EntityLinking should sort Suggestions with the same score based on entity rankings
                 Key: STANBOL-1030
                 URL: https://issues.apache.org/jira/browse/STANBOL-1030
             Project: Stanbol
          Issue Type: Improvement
          Components: Enhancement Engines
    Affects Versions: enhancement-engines-0.10.0
            Reporter: Rupert Westenthaler
            Assignee: Rupert Westenthaler
            Priority: Minor


Vocabularies the EntityLinkingEngine links against can define EntityRanking. An entity ranking defines the popularity (similar to page-rank) of an Entity within the knowledge base. For Wikipedia this is e.g. generated by the number of incoming links from other wikipedia pages.

While the EntityRanking is defined in the internal API of the EntityLinkingEngine it is currently not used for the score of linked entities. This is mainly because the score represent how well the label of an Entity does match the section in the processed text.

This will introduce a new option that allows for Suggestions that would have the same score (typically 1.0 - for exact matches) to get their score slightly (less than 0.1) changed so that they are ranked based on their entity ranking. For linking against wikipedia this will ensure that Paris (France) will have a slightly higher ranking as Paris (Texas, US).

Those changes MUST NOT change the order of suggestions for entities that do not have the same score.

Users will be able to enable/disable this feature via a setting of for the entity linking configuration. By default this feature will be activated.

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