[jira] [Resolved] (STANBOL-500) LDPath Repository wrapper over ContentItem

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

     [ https://issues.apache.org/jira/browse/STANBOL-500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rupert Westenthaler resolved STANBOL-500.
-----------------------------------------

    Resolution: Fixed

Implemented with #1294113
                
> LDPath Repository wrapper over ContentItem
> ------------------------------------------
>
>                 Key: STANBOL-500
>                 URL: https://issues.apache.org/jira/browse/STANBOL-500
>             Project: Stanbol
>          Issue Type: New Feature
>          Components: Content Hub, Enhancer
>            Reporter: Rupert Westenthaler
>            Assignee: Rupert Westenthaler
>
> This will allow to access the contents of a ContentItem by LDPath [1] and support
> * Access to the metadata
> * Access to the Content stored in Blobs via the fn:content(String mediaType)
> * Optional access to additional metadata stored in ContentParts with a type compatible to Clerezza TripleCollection
> * support for "shortcuts" to easily access "semantic concpets" defined by the enhancement structure including
> ### Used Namespaces:
>     @prefix fise : <http://fise.iks-project.eu/ontology/> ;
>     @prefix ci : <http://stanbol.apache.org/ontology/enhancer/content-item-ldpath-wrapper#> ;
> The "fise" namepsace represents the currently used Enhnacement Structure. The namespace "ci" does not correspond to any real ontology. It is only used internally by this LDPath wrapper for supported "shortcuts" as described below.
> ## Supported Functions and Shortcuts
> * Content support
>     content = fn:content({content-resource},{media-type},{media-type2},.., {media-typeN})
> This returns the value of the first Blob matching any of the parsed media types. The value of {content-resource} must be the URI of the ContentItem OR the URI of a ContentPart compatible to the Blob interface.
> * extreacted TextAnnotations
>     ci:textAnnotation = ^fise:extractedFrom[rdf:type is fise:TextAnnotation]
> * EntityAnnotations
>     ci:entityAnnotation = ^fise:extractedFrom[rdf:type is fise:EntityAnnotation]
> * EntitySuggestions for TextAnnotations
>     {text-annotation}/ci:suggestion = {text-annotation}/^dc:relation[rdf:type is fise:EntityAnnotation]/fn:sort(fise:confidence,"DESC")
> * Suggested Entities for a given {text-annotation}
>    {text-annotation}/ci:suggestedEntity = {{text-annotation}/^dc:relation[rdf:type is fise:EntityAnnotation]}/fise:entity-reference
> * All extracted Entities
>     ci:extractedEntities = ^fise:extractedFrom[rdf:type is fise:EntityAnnotation]/fise:entity-reference
> or if defined via the above 'ci:entityAnnotation' shorcut
>     
>     ci:extractedEntities = ci:entityAnnotation/fise:entity-reference
> Example of an envisioned LDPath program used to extract knowledge of a ContentItem as  of LDPath Statements
>     text = fn:content(.,"text/plain");
>     personName = (ci:textAnnoation[dc:type is dbpedia:Person]/fise:selectedText) | 
>                               (ci:textAnnoation[dc:type is dbpedia:Person]/ci:sugestion/fise:entity-label) :: xsd:string
>     orgName = (ci:textAnnoation[dc:type is dbpedia:Organisation]/fise:selectedText) | 
>                         (ci:textAnnoation[dc:type is dbpedia:Organisation]/ci:sugestion/fise:entity-label) :: xsd:string
>     placeName = (ci:textAnnoation[dc:type is dbpedia:Place]/fise:selectedText) | 
>                            (ci:textAnnoation[dc:type is dbpedia:Place]/ci:sugestion/fise:entity-label) :: xsd:string
>     personRef = ci:entityAnntotation[fise:entity-type] is dbpedia:Person]/fise:entity-reference :: xsd:anyURI
>     orgRef = ci:entityAnntotation[fise:entity-type] is dbpedia:Organisation]/fise:entity-reference :: xsd:anyURI
>     placeRef = ci:entityAnntotation[fise:entity-type] is dbpedia:Place]/fise:entity-reference :: xsd:anyURI
>     conceptRef = ci:entityAnntotation[fise:entity-type] is skos:Concpet]/fise:entity-reference :: xsd:anyURI
> NOTES:
>  * The "shortcuts" as defined above could be also implemented as function such as 
>      fn:textAnnotation({content-item},[{dc-type}, {dc-type2},...{dc-typeN}])
>      fn:suggestion({text-annotation},[{entity-type}, {entity-type2},...{entity-typeN}])
> this would allow usages such as
>     personName = (fn:textAnnoation(.,dbpedia:Person)/fise:selectedText) | 
>                              (fn:textAnnoation[.,dbpedia:Person)/fn:suggestion(.)/fise:entity-label) :: xsd:string
> [1] http://code.google.com/p/ldpath/ 

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