23 search results - page 1 / 5 » Query Folding with Inclusion Dependencies |
ICDE
1998
IEEE
13 years 9 months ago
1998
IEEE
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
WIDM
2003
ACM
13 years 10 months ago
2003
ACM
Query rewriting using views is an essential issue in data integration. A number of algorithms, e.g., the bucket algorithm, the inverse rules algorithm, the SVB algorithm and the M...
CASCON
2004
13 years 6 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Data sources for data integration often come with spurious schema definitions such as undefined foreign key constraints. Such metadata are important for querying the database and ...
XIMEP
2006
ACM
13 years 10 months ago
2006
ACM
We discuss query evaluation for XML-based server systems where the same query is evaluated on every incoming XML message. In a typical scenario, many of the incoming messages will...