Sciweavers

259 search results - page 24 / 52
» Using Relational Database Constraints to Design Materialized...
Sort
View
RULES
1993
Springer
159views Database» more  RULES 1993»
13 years 11 months ago
Implementing Relationships and Constraints in an Object-Oriented Database Using a Monitor Construct
Semantic models have shown the utility of arbitrary user-de ned relationships for de ning the semantics of database information, while objectoriented models have developed a stron...
Michael Doherty, Joan Peckham, Victor Fay Wolfe
DAWAK
2001
Springer
14 years 20 hour ago
Optimization Algorithms for Simultaneous Multidimensional Queries in OLAP Environments
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
Panos Kalnis, Dimitris Papadias
VLDB
2004
ACM
93views Database» more  VLDB 2004»
14 years 26 days ago
Symmetric Relations and Cardinality-Bounded Multisets in Database Systems
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...
Kenneth A. Ross, Julia Stoyanovich
BMCBI
2005
152views more  BMCBI 2005»
13 years 7 months ago
GeneKeyDB: A lightweight, gene-centric, relational database to support data mining environments
Background: The analysis of biological data is greatly enhanced by existing or emerging databases. Most existing databases, with few exceptions are not designed to easily support ...
S. A. Kirov, X. Peng, E. Baker, D. Schmoyer, B. Zh...
VLDB
2005
ACM
133views Database» more  VLDB 2005»
14 years 1 months ago
Caching with 'Good Enough' Currency, Consistency, and Completeness
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
Hongfei Guo, Per-Åke Larson, Raghu Ramakrish...