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ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
Many scientific disciplines are shifting from in vitro to in silico research as more physical processes and natural phenomena are examined in a computer (in silico) instead of bei...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
The timestamps of now-relative bitemporal databases are modeled as growing, shrinking, or rectangular regions. The shape of these regions makes it a challenge to design bitemporal...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We present a new algorithm for mining maximal frequent itemsets from a transactional database. Our algorithm is especially efficient when the itemsets in the database are very lon...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
Many applications require that large amounts of data are deleted from the database ? typically, such bulk deletes are carried out periodically and involve old or out-of-date data....