RDF uses the RFC3066 standard for language tags for literals in natural languages. The revision RFC3066bis includes productive use of language, country and script codes. These form...
We show that a wide class of bidirectional data-flow analyses and program optimizations based on them admit declarative descriptions in the form of type systems. The salient feat...
Knowledge representation is essential for semantics modeling and intelligent information processing. For decades researchers have proposed many knowledge representation techniques...
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Model transformations support a model-driven design by providing an c translation of abstract models into more concrete ones, and eventually program code. Crucial to a successful a...
Gregor Engels, Anneke Kleppe, Arend Rensink, Maria...