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» A study of query length
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ICDCS
2002
IEEE
15 years 8 months ago
Query Optimization to Meet Performance Targets for Wide Area Applications
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...
Vladimir Zadorozhny, Louiqa Raschid
149
Voted
FQAS
2009
Springer
196views Database» more  FQAS 2009»
15 years 7 months ago
Flexible SPARQL Querying of Web Data Tables Driven by an Ontology
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
Patrice Buche, Juliette Dibie-Barthélemy, H...
SPIRE
2001
Springer
15 years 7 months ago
Distributed Query Processing Using Partitioned Inverted Files
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...
Claudine Santos Badue, Ricardo A. Baeza-Yates, Ber...
SIGIR
2000
ACM
15 years 7 months ago
Interactive Internet search: keyword, directory and query reformulation mechanisms compared
This article compares search effectiveness when using query-based Internet search (via the Google search engine), directory-based search (via Yahoo) and phrasebased query reformul...
Peter Bruza, Robert McArthur, Simon Dennis
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
15 years 7 months ago
Query Execution Techniques for Caching Expensive Methods
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...
Joseph M. Hellerstein, Jeffrey F. Naughton