Details
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Improvement
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Status: Closed
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Major
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Resolution: Fixed
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Jena 3.1.1
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None
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Linux Ubuntu
Description
I loaded geonames on Jena but the spatial queries take more than 3s to execute. The query is below:
PREFIX spatial: <http://jena.apache.org/spatial#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT distinct ?place
{
?place spatial:intersectBox (32.55668 -117.12865 32.56668 -117.13865) .
}
The data can be downloaded here:
https://drive.google.com/file/d/0B-fwYPJYT1GOYVVIZF9ROUxzclk/view?usp=sharing
For small datasets the queries are executed in 200ms, very fast. I noticed that when I access the lucene index directly the queries are also very fast, about 20ms.
The issue may be related to the pos-processing of lucene results.
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