91 search results - page 12 / 19 » TID Hash Joins |
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
We study the problem of continuous relational query processing in Internet-scale overlay networks realized by distributed hash tables. We concentrate on the case of continuous two...
BTW
2003
Springer
14 years 1 months ago
2003
Springer
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...
DEXA
2004
Springer
14 years 9 days ago
2004
Springer
The Iceberg SemiJoin (ISJ) of two datasets R and S returns the tuples in R which join with at least k tuples of S. The ISJ operator is essential in many practical applications incl...
PEPM
2010
ACM
14 years 5 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
PODS
2004
ACM
14 years 8 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...