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ICDE
2000
IEEE
113views Database» more  ICDE 2000»
15 years 2 months ago
Web Query Optimizer
We consider an architecture of mediators and wrappers for Internet accessible WebSources of limited query capability. Each call to a source is a WebSource Implementation (WSI) and...
Vladimir Zadorozhny, Laura Bright, Louiqa Raschid,...
72
Voted
EDBT
2006
ACM
120views Database» more  EDBT 2006»
15 years 9 months ago
Query Planning in the Presence of Overlapping Sources
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
Jens Bleiholder, Samir Khuller, Felix Naumann, Lou...
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
15 years 9 months ago
Generating Efficient Plans for Queries Using Views
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...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman
76
Voted
PVLDB
2008
81views more  PVLDB 2008»
14 years 9 months ago
Optimization of multi-domain queries on the web
Where can I attend an interesting database workshop close to a sunny beach? Who are the strongest experts on service computing based upon their recent publication record and accep...
Daniele Braga, Stefano Ceri, Florian Daniel, David...
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 1 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen