6004 search results - page 70 / 1201 » Parallelizing query optimization |
IPPS
1997
IEEE
14 years 1 months ago
1997
IEEE
Naive parallel implementation of nondeterministic systems (such as a theorem proving system) and languages (such as a logic, constraint, or a concurrent constraint language)can re...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
DASFAA
2004
IEEE
14 years 16 days ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...
ICALP
2009
Springer
14 years 9 months ago
2009
Springer
We consider the following problem: given an unsorted array of n elements, and a sequence of intervals in the array, compute the median in each of the subarrays defined by the inter...