
250 Big Data Computing
semantic references to the components of the ontology of the relevant domain
makes it possible to use software agents for maintaining X-road data services
and facilitating semantic data and service interoperability.
Semantic Data Interoperability Architecture for Estonian
e-Government
X-road middleware does not support semantic data interoperability.
Therefore, the strategic document on semantic interoperability of state infor-
mation technology (RISO 2007, Vallner 2006) was issued by Estonian Ministry
of Economic Affairs in 2005. Following this visionary document, the seman-
tic interoperability architecture for Estonia ...