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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2013/09/11 19:22:54 UTC

[jira] [Resolved] (JENA-10) GeoARQ: a geo location property function for ARQ

     [ https://issues.apache.org/jira/browse/JENA-10?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne resolved JENA-10.
-------------------------------

       Resolution: Fixed
    Fix Version/s: Jena 2.11.0

See jena-spatial
                
> GeoARQ: a geo location property function for ARQ
> ------------------------------------------------
>
>                 Key: JENA-10
>                 URL: https://issues.apache.org/jira/browse/JENA-10
>             Project: Apache Jena
>          Issue Type: New Feature
>          Components: ARQ
>            Reporter: Paolo Castagna
>            Priority: Minor
>              Labels: gsoc2013
>             Fix For: Jena 2.11.0
>
>
> Similarly to LARQ, we can use Lucene spatial capabilities to provide a geo/spatial property function for ARQ.
> An initial and experimental implementation as proof of concept is available here: https://github.com/castagna/GeoARQ
> The initial implementation can provide:
>  - ?s geoarq:nearby ( lat long ) // lat and long are in WGS 84, results are sorted by some "unspecified" score
>  - ?s geoarq:nearby ( lat long dist ) // restrict withing dist km from (lat,long)
>  - (?s ?d) geoarq:nearby ( lat long ) // results are sorted by distance (?d) which is made available to the user
>  - (?s ?d) geoarq:nearby ( lat long dist ) 
>  - ?s geoarq:within ( lat1, long1, lat2, long2 )
> GeoARQ would be better as a separate module from ARQ (same as LARQ).

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