45 search results - page 8 / 9 » Cooperative Query Answering for Semistructured Data |
JUCS
2008
13 years 5 months ago
2008
: We propose specification of schema mappings and agents' actions in XML data integration task. We discuss the problem in a highly-dynamic environment consisting of a communit...
DEXA
2005
Springer
13 years 10 months ago
2005
Springer
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
ICDE
2009
IEEE
14 years 2 days ago
2009
IEEE
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...
COMPGEOM
2003
ACM
13 years 10 months ago
2003
ACM
We develop cache-oblivious data structures for orthogonal range searching, the problem of finding all T points in a set of N points in Êd lying in a query hyper-rectangle. Cache...
FQAS
2006
Springer
13 years 9 months ago
2006
Springer
Action rules introduced in [12] and extended further to e-action rules [21] have been investigated in [22], [13], [20]. They assume that attributes in a database are divided into t...