951 search results - page 39 / 191 » Groupwise Processing of Relational Queries |
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
BMCBI
2010
14 years 10 months ago
2010
Background: An important objective of DNA microarray-based gene expression experimentation is determining interrelationships that exist between differentially expressed genes and ...
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
XIMEP
2005
ACM
15 years 3 months ago
2005
ACM
Supporting queries and modifications on XML documents is a challenging task, and several related approaches exist. When implementing query and modification languages efficientl...
VLDB
1987
ACM
15 years 1 months ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...