756 search results - page 77 / 152 » SQL: From Traditional Databases to Big Data |
SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
Clustering, in data mining, is useful for discovering groups and identifying interesting distributions in the underlying data. Traditional clustering algorithms either favor clust...
GI
2001
Springer
14 years 1 months ago
2001
Springer
: With the increase in popularity of XML on the Internet, the requirements of database management systems have shifted from traditional transaction-based databases towards the kind...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
We study the problem of estimating selectivity of approximate substring queries. Its importance in databases is ever increasing as more and more data are input by users and are in...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...