735 search results - page 103 / 147 » Query Optimization In Compressed Database Systems |
PODS
1999
ACM
14 years 1 months ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
JCSS
2000
13 years 8 months ago
2000
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...
VLDB
2000
ACM
14 years 16 days ago
2000
ACM
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
HPDC
2000
IEEE
14 years 1 months ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...