Re: Query features info

2023-09-21 Thread Hashim Khan
irth ?death) > > (conditional > > (sequence > > (filter (< ?birth "1900-01-01") > > (quadpattern > > (quad ?person dbo:birthPlace > dbr:Berlin) > > (quad ?person dbo:birthDate > ?birth)

Re: Query features info

2023-09-21 Thread Rob @ DNR
on dbo:deathDate ?death))) Hope this helps, Rob From: James Anderson Date: Wednesday, 20 September 2023 at 22:06 To: Hashim Khan Cc: users@jena.apache.org Subject: Re: Query features info good evening; if you want to reproduce those results, you will have to examine the parsed syntax t

Re: Re: Query features info

2023-09-21 Thread Hashim Khan
Thanks Lorenz and James for the feedback and clarification. The paper I am talking about is https://www.semantic-web-journal.net/system/files/swj3336.pdf Best Regards, Hashim On Thu, Sep 21, 2023 at 8:21 AM Lorenz Buehmann < buehm...@informatik.uni-leipzig.de> wrote: > @Hashim in the future

Re: Re: Query features info

2023-09-21 Thread Lorenz Buehmann
@Hashim in the future you should reply to the mailing list such that all people can see your response and follow the thread. Now we can just see your answer because James replied to you and the mailing list. We also can't see your attachment. Which paper are you talking about? As James said,

Re: Query features info

2023-09-20 Thread James Anderson
good evening; if you want to reproduce those results, you will have to examine the parsed syntax tree. that should comprise just two bgps, as that is the immediate syntax. if, on the other hand, you examaine the results of a query planner, you are not looking at a systax tree, you are looking

Re: Query features info

2023-09-19 Thread James Anderson
good afternoon; you have to consider that a query processor is free to consolidate statement patterns in a nominal bgp - which itself implicitly joins them, or separate them in order to either apply a different join strategy or - as in this case, to interleave an operation under the suspicion

Re: Query features info

2023-09-19 Thread Lorenz Buehmann
Hi, getting the data you're interested in needs to traverse either the algebra (which is shown in your "explain" request) or the query structure. For both you'll have to write Java code - luckily Jena already provides the necessary tools via visitors. By the way, why do you think there are

Query features info

2023-09-19 Thread Hashim Khan
Hi, Having a look on this SPARQL query: --- prefix dbo: prefix dbr: prefix foaf: SELECT DISTINCT ?name ?birth ?death WHERE { ?person