777 search results - page 131 / 156 » Optimization of Relational Preference Queries |
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Sponsored search is one of the enabling technologies for today's Web search engines. It corresponds to matching and showing ads related to the user query on the search engine...
PVLDB
2008
13 years 7 months ago
2008
Several real-world applications need to effectively manage and reason about large amounts of data that are inherently uncertain. For instance, pervasive computing applications mus...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
SIGMOD
2010
ACM
14 years 15 days 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...