306 search results - page 58 / 62 » Data Exchange: Semantics and Query Answering |
SEMWEB
2007
Springer
14 years 1 months ago
2007
Springer
Ontology mapping is the key to data interoperability in the semantic web vision. Computing mappings is the first step to applications such as query rewriting, instance sharing, we...
AMW
2010
13 years 8 months ago
2010
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
FGCS
2007
13 years 7 months ago
2007
Abstract. E-Science Semantic Grids can often be thought of as dynamic collection of semantic subgrids where each subgrid is a collection of modest number of services that assembled...
MM
2010
ACM
13 years 7 months ago
2010
ACM
Huge amounts of social multimedia is being created daily by a combination of globally distributed disparate sensors, including human-sensors (e.g. tweets) and video cameras. Taken...
ICDT
2012
ACM
11 years 9 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...