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135
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Schema mappings are logical assertions that specify the relationships between a source and a target schema in a declarative way. The specification of such mappings is a fundamenta...
100
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MOBIDE
2005
ACM
15 years 3 months ago
2005
ACM
In the context of mobile data access, data caching is fundamental for both performance and functionality. For this reason there have been many studies into developing energy-effi...
XSYM
2004
Springer
15 years 3 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
As the study of graphs, such as web and social graphs, becomes increasingly popular, the requirements of efficiency and programming flexibility of large graph processing tasks c...
AROBOTS
2007
14 years 10 months ago
2007
— A team of small, low-cost robots instead of a single large, complex robot is useful in operations such as search and rescue, urban exploration etc. However, the performance of ...