scs-eb commented on issue #3473:
URL: https://github.com/apache/jena/issues/3473#issuecomment-3358072630

   I'm still working on completing the homework I mentioned in my previous 
post, mainly to clarify my understanding. So I don't have much to add, however, 
I wanted to reply to some of the comments :
   
   > Simply adding `geo:Geometry` types to your input data makes you query work 
immediately (no restart or spatial index needed):
   > I created https://github.com/apache/jena/pull/3480 that would make your 
reported query work without the need to add extra geometry types or enable 
inferencing.
   
   This is great news and wow that was quick, I was still reading the comments 
when I saw that a PR was created. Really good job! 🥇 
   
   > Also, the way your query is executed does not use the spatial index at all:
   
   🤦 I was sure it was using it because of the restart. I will add this as an 
homework on my end to understand when the spatial index is involved in a query, 
I believe this will be useful later on.
   
   > A possible small bug I noticed in your screencast: The checkbox Replace 
index with selected graphs is checked, but no graph is selected [...]
   
   🤦 Looks like a misunderstanding from my end. I checked it believing this 
would be better to replace the initial empty spatial index. It didn't impact 
the indexing though, but this is not planned for this usage as I could see by 
your example. 


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