Hi Lorenz "I think I already told you that the rule engine is monotonic, i.e. no data will be removed or changed but only new data will be added if the data matches a premise of a rule."
I think you told me that the problem can be solved if we put the model into another model or something like this? On Mon, May 1, 2017 at 10:47 AM, Lorenz B. < [email protected]> wrote: > > > Hi Dave, if we have a rule like > > > > if Person publications less than 10, Person is JuniorResearcher > > if Person publications greater than 10, Person is SeniorResearcher > > > > If person publication is first less than 10, rules will assign him to > > JuniorResearcher class but when it exceeds 10, becomes SeniorResearcher > but > > the JuniorResearcher also be there as rules does not replace the existed > > value with new one. > > > > This was my query if we put the inferred model to a new model, will the > > rules then be able to replace the previous data? > > No no no, I think I already told you that the rule engine is monotonic, > i.e. no data will be removed or changed but only new data will be added > if the data matches a premise of a rule. > Anything else has to be done by yourself in the application code. > > > > > > On Sun, Apr 30, 2017 at 4:38 PM, Dave Reynolds < > [email protected]> > > wrote: > > > >> On 30/04/17 10:30, tina sani wrote: > >> > >>> I have a model Model1 with all data, having Jena rules. How can I put > it > >>> in > >>> another model Model2 which may or may not have any data? > >>> > >> The way to add triples from one model to another is to use the > >> unsurprisingly named "add" as any glance at the javadoc would tell you. > >> > >> model2.add( model1 ) > >> > >> If model1 is actually an InfModel with forward rules then what will get > >> added to model2 is the base triples plus all inferred triples. > >> > >> Second, after putting the model in another model, would we able to > replace > >>> previous values/data with new one, generated using Jena rules? > >>> > >> Question is unclear. > >> > >> Once you have a model you and add or remove triples from it. > >> > >> You can use rules to generate triples. > >> > >> How you connect whatever bit of your code is using rules to whatever bit > >> of your code is holding the data is up to you. There are no > out-of-the-box > >> rule builtins to allow you to fire a rule in one model and assert > results > >> into another model if that's what you mean. > >> > >> Dave > >> > >> > -- > Lorenz Bühmann > AKSW group, University of Leipzig > Group: http://aksw.org - semantic web research center > >
