Re: delete/insert problem with tdbupdate

I guess I had some wrong assumptions about DELETE/INSERT. Will review spec more closely. Takeaway for me is that in general DELETE/INSERT is not equivalent to DELETE followed by INSERT. Thanks, --Paul > On Nov 2, 2015, at 03:34, Andy Seaborne wrote: > >> On 01/11/15 23:00,

Re: Big data vs Apachi Jena

Thank you Emanuele Della Valle for your valuable information. On Mon, Nov 2, 2015 at 7:53 AM, Emanuele Della Valle < emanuele.dellava...@polimi.it> wrote: > Dear Kumar, > > Semantic Web techs are definitely a valuable approach to master the > variety dimension of big data. > > In my work on

Re: delete/insert problem with tdbupdate

On 01/11/15 23:00, Paul Tyson wrote: On Sun, 2015-11-01 at 10:32 +, Andy Seaborne wrote: Paul, Could you simplify the example please? I will work on that, but ran into some puzzling differences between windows and Linux implementations of jena-3.0.0. Specifically, the linux tdbupdate

Re: use aggregates in CONSTRUCT query

You can, but they need to go in the WHERE part, not CONSTRUCT. And you need to GROUP BY first: http://rdf.myexperiment.org/howtosparql?page=GROUP%20BY On Mon, Nov 2, 2015 at 12:20 PM, Wetz Peter wrote: > This is more of a SPARQL question, so sorry, if it not perfectly

Re: use aggregates in CONSTRUCT query

Peter, A pragmatic way would be to use a nested SELECT first, where you can define aggregates that you would latter use in CONSTRUCT as usual. Regards,Milorad From: Martynas Jusevičius To: users@jena.apache.org Sent: Monday, November 2, 2015 12:23 PM

use aggregates in CONSTRUCT query

This is more of a SPARQL question, so sorry, if it not perfectly fits here: I wonder, if it's possible to use aggregates in SPARQL CONSTRUCT queries. For instance, I have the following query: CONSTRUCT { ?s ei:number ?number . } FROM WHERE {