611 search results - page 79 / 123 » Querying Tree-Structured Data Using Dimension Graphs |
PVLDB
2008
13 years 9 months ago
2008
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
CORR
2006
Springer
13 years 10 months ago
2006
Springer
Abstract. The declustering problem is to allocate given data on parallel working storage devices in such a manner that typical requests find their data evenly distributed among the...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...
ESWS
2008
Springer
13 years 11 months ago
2008
Springer
In this contribution a system is presented, which provides access to distributed data sources using Semantic Web technology. While it was primarily designed for data sharing and sc...
VLDB
1998
ACM
14 years 2 months ago
1998
ACM
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...