420 search results - page 59 / 84 » Implementing a Query Language for Context-Dependent Semistru... |
AIMSA
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
We demonstrate the language Ferry and its editing, compilation, and execution environment FerryDeck. Ferry's type system and operations match those of scripting or programmin...
ERSHOV
2003
Springer
14 years 1 months ago
2003
Springer
Storage costs are rapidly decreasing, making it feasible to store larger amounts of data in databases. This also makes it possible to store previous versions of data in the databa...
XSYM
2005
Springer
14 years 1 months ago
2005
Springer
XQuery is a feature-rich language with complex semantics. This makes it hard to come up with a benchmark suite which covers all performance-critical features of the language, and a...
VLDB
1995
ACM
14 years 12 hour ago
1995
ACM
New demandsare put on query processing in Object-Oriented(00) databasesto provide efficient andrelationally completequery languages. A flexible 00 data model requires overloading ...