Well I do not know how to do what you have comment ( re-model your data first, such that you have a timestamp or whatever. Then you could use SPARQL CONSTRUCT).
But I wish it could possible because it is an integral part of my project. Regards On Sat, Sep 24, 2016 at 4:30 AM, Lorenz B. < [email protected]> wrote: > Hello Tina, > > as Dave said, there is no sorting for rules. You need to re-model your > data first, such that you have a timestamp or whatever. Then you could > use SPARQL CONSTRUCT > > > > Kind regards, > Lorenz > > > My data arrives and saved randomly to my owl file: These four values are > > the income of employee's four weeks so in week1, he earns 200, week2 300 > > week3 150 and week4 280. > > > > I need some sorting in which I can describe if the Employee progresses > each > > week according to his salary. If he earns like 150, 200, 280, 300, then > for > > sure he progresses. > > > > Kindly if you described the required Jena rules here to accomplish this > > goal? > > > > Best regards > > > > On Sat, Sep 24, 2016 at 1:15 AM, Dave Reynolds < > [email protected]> > > wrote: > > > >> On 23/09/16 23:17, tina sani wrote: > >> > >>> For instance, I have a data property employee_income which have four > >>> values > >>> for each employee. Employee1 have income Euro 200, Euro 300, Euro 150, > and > >>> Euro 280 . > >>> > >>> Is there any way using Jena rules or other way, in which we > >>> compute/compare > >>> these values in some ascending or descending way. The purpose of doing > so > >>> is to find out whether the employee progresses or not. If she earns in > >>> ascending order like 150, 200, 280 and 300 Euro, it means progresses. > >>> > >>> Thanks for understanding. > >>> > >> If you mean you have simply four copies of the property then they aren't > >> ordered. E.g. > >> > >> :employee :employee_income 150, 200, 280, 300 . > >> > >> is exactly the same set of RDF triples as: > >> > >> :employee :employee_income 300, 200, 150, 280 . > >> > >> and > >> > >> :employee :employee_income 300 . > >> :employee :employee_income 200 . > >> :employee :employee_income 280 . > >> :employee :employee_income 150 . > >> > >> triples aren't ordered. > >> > >> You can certainly use SPARQL to query for values and to sort them. > >> > >> If you want to test if the income increased in order then you need to > >> represent either the date of the income or the order in which the income > >> arrived in your data. Once you've decided how you will do that then > there > >> will be ways in SPARQL or rules to do the test for progression. > >> > >> Dave > >> > >> > >> > >> > >> > -- > Lorenz Bühmann > AKSW group, University of Leipzig > Group: http://aksw.org - semantic web research center > >
