736 search results - page 109 / 148 » Confidence-Aware Join Algorithms |
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
PEPM
2010
ACM
14 years 6 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...
CSCW
2010
ACM
14 years 6 months ago
2010
ACM
People are often required to catch up on information they have missed in meetings, because of lateness or scheduling conflicts. Catching up is a complex cognitive process where pe...
WWW
2008
ACM
14 years 10 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
RECOMB
2006
Springer
14 years 10 months ago
2006
Springer
Abstract. We present a fast converging method for distance-based phylogenetic inference, which is novel in two respects. First, it is the only method (to our knowledge) to guarante...