31 search results - page 2 / 7 » On the performance of bitmap indices for high cardinality at... |
VLDB
2003
ACM
14 years 4 months ago
2003
ACM
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
Current skyline evaluation techniques follow a common paradigm that eliminates data elements from skyline consideration by finding other elements in the dataset that dominate them...
SSDBM
2007
IEEE
13 years 10 months ago
2007
IEEE
Applications that query data streams in order to identify trends, patterns, or anomalies can often benefit from comparing the live stream data with archived historical stream dat...
HPDC
2010
IEEE
13 years 4 months ago
2010
IEEE
Parallel computing on volatile distributed resources requires schedulers that consider job and resource characteristics. We study unconventional computing environments containing ...
ICAT
2007
IEEE
13 years 10 months ago
2007
IEEE
Partitioning constitutes one of the most critical challenges a distributed virtual environment needs to handle and is related to the efficient assignment of the existing entities ...