88 search results - page 3 / 18 » On Using Extended Statistical Queries to Avoid Membership Qu... |
SIAMCOMP
1998
13 years 5 months ago
1998
We first present an algorithm that uses membership and equivalence queries to exactly identify a discretized geometric concept defined by the union of m axis-parallel boxes in d-...
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
ISMIS
1999
Springer
13 years 9 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
BTW
2007
Springer
13 years 11 months ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...