Visual Query Languages represent an evolution, in terms of understandability and adaptability, with respect to traditional textual languages. We present an iconic query system tha...
Lerina Aversano, Gerardo Canfora, Andrea De Lucia,...
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...
Guoliang Li, Ju Fan, Hao Wu, Jiannan Wang, Jianhua...
—In the paper “semQA: SPARQL with Idempotent Disjunction” [Shironoshita et al. 2009], the authors study the RDF query language SPARQL. In particular, they claim that some of ...