The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
David DeHaan, David Toman, Mariano P. Consens, M. ...
It is common to find that the definition or common usage of a data modelling language causes there to be restrictions placed on the evolution of data values that are associated wit...
In this article, we present the GI-Cat web service: a SOAP-based service which provides the basic functionalities for GI dataset cataloguing and access. The introduced GI-Cat data...
Lorenzo Bigagli, Stefano Nativi, Paolo Mazzetti, G...
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
RDF is the first W3C standard for enriching information resources of the Web with detailed meta data. The semantics of RDF data is defined using a RDF schema. The most expressiv...