792 search results - page 6 / 159 » Computing Iceberg Queries Efficiently |
IJRR
2008
13 years 7 months ago
2008
ICASSP
2011
IEEE
2011
IEEE
Efficient search of music pitch contours using wavelet transforms and segmented dynamic time warping
12 years 11 months ago
We propose a method of music melody matching based on their “continuous” (or “time-frame-based”) pitch contours. Most previous methods using frame-based contours either ma...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...