383 search results - page 15 / 77 » Join operations in temporal databases |
155
Voted
SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
TOOLS
1999
IEEE
15 years 1 months ago
1999
IEEE
Path traversals have been recognized as one of the strengths of object-oriented query processing as object retrieval can be carried out through pointer navigation. Apart from path...
IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
181
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
XML data integration tools are facing a variety of challenges for their efficient and effective operation. Among these is the requirement to handle a variety of inconsistencies or...