Florent, thanks for your answer. No comments... Best, Ghislain
Sent from a mobile device, please excuse any brevity or typing errors > Le 19 juil. 2017 à 13:00, Florent Georges <li...@fgeorges.org> a écrit : > > Hi Ghislain, > > > estimate the size of the database when using different rules > > There seems to be some misunderstanding here. Because of the backward > chaining implementation of inference in MarkLogic, inference has no impact on > the size of the database. > > Either I misunderstood and you're trying to do something different, or there > is maybe some misunderstanding about the inference model in MarkLogic. > > Regards, > > -- > Florent Georges > H2O Consulting > http://h2o.consulting/ > > >> On 19 July 2017 at 12:10, Ghislain Atemezing-Pro wrote: >> My intention is not to judge the complexity of counting triples, but to >> understand (in this case) how a publisher can estimate the size of the >> database when using different rules (part of the ontology). So yes, it's a >> real use case for the EU Publications Office (PO) to know how complex can be >> to use inferences in their dataset. >> And yes, I am evaluating Marklogic and 6 other triple stores to recommend to >> the PO based on many requirements, one of them is the capacity to do >> inference. >> >>> Le mer. 19 juil. 2017 à 12:04, John Snelson <john.snel...@marklogic.com> a >>> écrit : >>> In my experience people most often want to know how many triples they have >>> as some kind of measure of complexity of the system. It isn't a very good >>> measure of this complexity, and in MarkLogic it's complex to calculate. >>> >>> >>> John >>> >>> >>>> On 19/07/17 10:58, Ghislain Atemezing-Pro wrote: >>>> John, >>>> Thanks for your answer. >>>> However, I don't understand this one "Given this, I would suggest >>>> that this probably isn't a valuable question to answer. Well, I know I >>>> don't always have "valuable question", I guess there will be a filter of >>>> such "non valuable question" here to prevent me sending my questions. >>>> >>>> But yes, thanks for your time and sincerity. >>>> >>>> Ghislain >>>> >>>>> Le mer. 19 juil. 2017 à 11:47, John Snelson <john.snel...@marklogic.com> >>>>> a écrit : >>>>> On 13/07/17 10:08, Ghislain Atemezing-Pro wrote: >>>>> > Hi list, >>>>> > I am trying to combine the function cts:triple-value-statistics with >>>>> > the predefined rulesets of Marklogic. >>>>> > I have some 727M triples, with an ontology containing many subclasses >>>>> > and subproperties. >>>>> > I've added 4 predefined rules to see whether I can get some inferred >>>>> > data, such as rdfs-plus-full, subclassOf, sameAs, inverseOf. >>>>> >>>>> Don't use rdfs-plus-full or any of the "*-full" rulesets. >>>>> >>>>> > When I use the function cts:triple-value-statistics, I can't get the >>>>> > full number of triples with inferred data. Am I doing something wrong? >>>>> > Is it possible to get that information somehow? >>>>> >>>>> In MarkLogic inference happens at query time (backwards chaining) so we >>>>> don't have database statistics about total number of inferred triples. >>>>> >>>>> You can find this information using the count() aggregate in a SPARQL >>>>> query. It will probably take a really long time, and may fail to >>>>> complete if it runs out of scratch space. Given this, I would suggest >>>>> that this probably isn't a valuable question to answer. >>>>> >>>>> John >>>>> >>>>> -- >>>>> John Snelson, Principal Engineer http://twitter.com/jpcs >>>>> MarkLogic Corporation http://www.marklogic.com >>>>> _______________________________________________ >>>>> General mailing list >>>>> General@developer.marklogic.com >>>>> Manage your subscription at: >>>>> http://developer.marklogic.com/mailman/listinfo/general >>>> >>>> -- >>>> -------------------------------------------- >>>> Ghislain A. Atemezing, Ph.D >>>> R&D Engineer SemWeb >>>> @ Mondeca, Paris, France >>>> Labs: http://labs.mondeca.com >>>> Tel: +33 (0)1 4111 3034 >>>> Web: www.mondeca.com >>>> Twitter: @gatemezing >>>> About Me: http://atemezing.org >>>> >>>> >>>> >>>> _______________________________________________ >>>> General mailing list >>>> General@developer.marklogic.com >>>> Manage your subscription at: >>>> http://developer.marklogic.com/mailman/listinfo/general >>> >>> -- >>> John Snelson, Principal Engineer http://twitter.com/jpcs >>> MarkLogic Corporation http://www.marklogic.com >>> _______________________________________________ >>> General mailing list >>> General@developer.marklogic.com >>> Manage your subscription at: >>> http://developer.marklogic.com/mailman/listinfo/general >> >> -- >> -------------------------------------------- >> Ghislain A. Atemezing, Ph.D >> R&D Engineer SemWeb >> @ Mondeca, Paris, France >> Labs: http://labs.mondeca.com >> Tel: +33 (0)1 4111 3034 >> Web: www.mondeca.com >> Twitter: @gatemezing >> About Me: http://atemezing.org >> >> >> _______________________________________________ >> General mailing list >> General@developer.marklogic.com >> Manage your subscription at: >> http://developer.marklogic.com/mailman/listinfo/general >> > > > > > _______________________________________________ > General mailing list > General@developer.marklogic.com > Manage your subscription at: > http://developer.marklogic.com/mailman/listinfo/general
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