1018 search results - page 133 / 204 » On the minimization of XPath queries |
IPPS
2009
IEEE
15 years 8 months ago
2009
IEEE
In this paper, we explore the problem of mapping filtering services on large-scale heterogeneous platforms. Two important optimization criteria should be considered in such a fra...
87
Voted
STOC
2009
ACM
16 years 2 months ago
2009
ACM
One of the most fundamental problems in web search is how to re-rank result web pages based on user logs. Most traditional models for re-ranking assume each query has a single int...
EDBT
2008
ACM
16 years 1 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
122
click to vote
ICDT
2005
ACM
15 years 7 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
152
click to vote
SRDS
1998
IEEE
15 years 5 months ago
1998
IEEE
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different site...