Abstract. Dealing with heterogeneous ontologies by means of semantic mappings has become an important area of research and a number of systems for discovering mappings between onto...
is the level of abstraction: a logical model ignores the constraints that the underlying database technology imposes and presents a simplified view. Sometimes physical database des...
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
With the recent and continuing advances in areas such as wireless communications and positioning technologies, mobile, locationbased services are becoming possible. Such services ...
Christian S. Jensen, Augustas Kligys, Torben Bach ...
We analyzed texts from years 1800-2004 from the Philosophical Transactions of the Royal Society of London. Two-thousand-word sections from about 20 articles published at 25-year i...
Michell Bruss, Michael J. Albers, Danielle McNamer...