619 search results - page 60 / 124 » Query Planning in Infomaster |
163
click to vote
DBPL
1995
Springer
15 years 7 months ago
1995
Springer
Physical design for object-oriented databases is still in its infancy. Implementation decisions often intrude into the conceptual design (such as inverse links and object decompos...
156
click to vote
WSDM
2012
ACM
13 years 11 months ago
2012
ACM
Today’s Web browsers allow users to open links in new windows or tabs. This action, which we call ‘branching’, is sometimes performed on search results when the user plans t...
125
click to vote
VLDB
2005
ACM
15 years 9 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
225
click to vote
SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
207
click to vote
SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...