115 search results - page 17 / 23 » Predicate Migration: Optimizing Queries with Expensive Predi... |
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
: © Self-selecting, self-tuning, incrementally optimized indexes Goetz Graefe, Harumi Kuno HP Laboratories HPL-2010-24 database index, adaptive, autonomic, query execution In a re...
SIGMOD
2000
ACM
13 years 11 months ago
2000
ACM
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
WEBDB
2001
Springer
13 years 11 months ago
2001
Springer
Indexing schemes for semistructured data have been developed in recent years to optimize path query processing by summarizing path information. However, most of these schemes can ...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...