2867 search results - page 256 / 574 » Effectiveness of Index Expressions |
167
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
In this paper, we describe and situate the TUPELO system for data mapping in relational databases. Automating the discovery of mappings between structured data sources is a long st...
221
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TIME
2009
IEEE
16 years 1 months ago
2009
IEEE
—Past research on temporal databases has primarily focused on state-based representations and on relational query language extensions for such representations. This led to many d...
168
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ICC
2008
IEEE
16 years 1 months ago
2008
IEEE
— The use of constant-power, rate-adaptive M-QAM transmission with an amplify-and-forward cooperative system is proposed. The upper bound expressions are derived for the outage p...
213
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CBMS
2007
IEEE
16 years 28 days ago
2007
IEEE
Microarray gene expression image analysis is a labor-intensive task and requires human intervention since microarray images are contaminated with noise and artifacts while spots a...
136
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GLOBECOM
2007
IEEE
16 years 27 days ago
2007
IEEE
Abstract—A new expression for the probability density function of the signal-to-noise ratio (SNR) at the output of a predetection dual-equal-gain-combining (dual-EGC) receiver ov...