777 search results - page 138 / 156 » Optimization of Relational Preference Queries |
MM
2009
ACM
14 years 2 months ago
2009
ACM
Popular content in video sharing web sites (e.g., YouTube) is usually duplicated. Most scholars define near-duplicate video clips (NDVC) based on non-semantic features (e.g., di...
PODS
2002
ACM
14 years 7 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
SSDBM
2003
IEEE
14 years 28 days ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...
FOCS
2000
IEEE
14 years 2 days ago
2000
IEEE
There is an upsurging interest in designing succinct data structures for basic searching problems (see [23] and references therein). The motivation has to be found in the exponent...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...