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RTDB
1996
84views more  RTDB 1996»
13 years 8 months ago
Performance-Polymorphic Execution of Real-Time Queries
We are developing an object-oriented real-time database system that includes a relationally complete query language. Unlike conventional query optimizers, our optimizer estimates ...
Thomas Padron-McCarthy, Tore Risch
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 2 months ago
Supporting annotations on relations
Annotations play a key role in understanding and curating databases. Annotations may represent comments, descriptions, lineage information, among several others. Annotation manage...
Mohamed Y. Eltabakh, Walid G. Aref, Ahmed K. Elmag...
DEXAW
2007
IEEE
141views Database» more  DEXAW 2007»
14 years 1 months ago
SWARD: Semantic Web Abridged Relational Databases
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
Johan Petrini, Tore Risch
FOCS
2008
IEEE
14 years 1 months ago
Size Bounds and Query Plans for Relational Joins
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often domi...
Albert Atserias, Martin Grohe, Dániel Marx
ICSE
2005
IEEE-ACM
14 years 7 months ago
Safe query objects: statically typed objects as remotely executable queries
When building scalable systems that involve general-purpose computation and persistent data, object-oriented languages and relational databases are often essential components. Yet...
William R. Cook, Siddhartha Rai