Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...
Graham Cormode, Lukasz Golab, Flip Korn, Andrew Mc...
With the growing needs of information sharing and exchange, MHEG-6(Multimedia Hypermedia information coding Expert Group - part 6) standard is defined so as to provide the interna...
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...
Nikos Ntarmos, Peter Triantafillou, Gerhard Weikum
There have been several techniques proposed for building statistics for static XML data. However, very little work has been done in the area of building XML statistics for data so...