The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...
Heiner Stuckenschmidt, Richard Vdovjak, Geert-Jan ...
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
Digital libraries (DLs) have become a major focus of information technology resources for organizations from academia, to the US Department of Defense to the archeological efforts...
Eric L. Brown, Luis G. Velazco, G. Kirksey, S. Ram...
Discovering associations between elements occurring in a stream is applicable in numerous applications, including predictive caching and fraud detection. These applications requir...