995 search results - page 167 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
155
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EDBT
2011
ACM
14 years 5 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
128
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SSDBM
2006
IEEE
15 years 7 months ago
2006
IEEE
Signaling pathways are chains of interacting proteins, through which the cell converts a (usually) extracellular signal into a biological response. The number of known signaling p...
124
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
149
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BMCBI
2006
15 years 1 months ago
2006
Background: Existing biological databases support a variety of queries such as keyword or definition search. However, they do not provide any measure of relevance for the instance...
127
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DMIN
2008
15 years 3 months ago
2008
The knowledge discovery process encounters the difficulties to analyze large amount of data. Indeed, some theoretical problems related to high dimensional spaces then appear and de...