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LAWEB
2005
IEEE
14 years 1 months ago
Optimized Index Structures for Querying RDF from the Web
Storing and querying Resource Description Framework (RDF) data is one of the basic tasks within any Semantic Web application. A number of storage systems provide assistance for th...
Andreas Harth, Stefan Decker
ICDE
2008
IEEE
395views Database» more  ICDE 2008»
15 years 7 months ago
PermJoin: An Efficient Algorithm for Producing Early Results in Multi-join Query Plans
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the case of ...
Justin J. Levandoski, Mohamed E. Khalefa, Mohamed ...
WWW
2007
ACM
14 years 8 months ago
Speeding up adaptation of web service compositions using expiration times
Web processes must often operate in volatile environments where the quality of service parameters of the participating service providers change during the life time of the process...
John Harney, Prashant Doshi
PVLDB
2010
118views more  PVLDB 2010»
13 years 6 months ago
Ten Thousand SQLs: Parallel Keyword Queries Computing
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
Lu Qin, Jefferey Yu, Lijun Chang
LRE
2006
175views more  LRE 2006»
13 years 7 months ago
Automatically generating related queries in Japanese
Web searchers reformulate their queries, as they adapt to search engine behavior, learn more about a topic, or simply correct typing errors. Automatic query rewriting can help user...
Rosie Jones, Kevin Bartz, Pero Subasic, Benjamin R...