721 search results - page 85 / 145 » Supporting top-k join queries in relational databases |
SEMWEB
2005
Springer
15 years 3 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
IQIS
2007
ACM
14 years 11 months ago
2007
ACM
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
178
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ICDE
1997
IEEE
15 years 11 months ago
1997
IEEE
A mediator is a domain-speci c tool to support uniform access to multiple heterogeneous information sources and to abstract and combine data from different but related databases t...
109
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ICDE
2006
IEEE
15 years 3 months ago
2006
IEEE
Structured P2P systems based on distributed hash tables are a popular choice for building large-scaled data management systems. Generally, they only support exact match queries, b...
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...