Very useful paper -- it is not exactly the algebra in the spec (leftjoin differs) and SPARQL 1.1 adds various things (aggregations, assignment)
On 23 April 2014 12:43, Daniel Hernández <[email protected]> wrote: > El mié, 23-04-2014 a las 14:43 +0530, Ankur Padia escribió: >> Hello everyone, >> >> Can any one let me know, where can I find the mathematical foundation of >> SPARAL query, like Relational Algebra ? >> >> Thanking you in advance. >> >> Regards, >> Ankur Padia. > > I think that the best is: > > J. Perez, M. Arenas, C. Gutierrez, The Semantics and Complexity of > SPARQL, 5th International Semantic Web Conference, ISWC 2006, Athens, > Georgia, USA, November 2006. > > http://users.dcc.uchile.cl/~cgutierr/papers/sparql.pdf > > If you search authors publications you will found several related work. > > Daniel >
