SIGMOD
2000
ACM
14 years 2 days ago
2000
ACM
For many KDD applications, such as detecting criminal activities in E-commerce, finding the rare instances or the outliers, can be more interesting than finding the common pattern...
SIGMOD
2000
ACM
14 years 2 days ago
2000
ACM
Microsoft® TerraServer stores aerial, satellite, and topographic images of the earth in a SQL database available via the Internet. It is the world’s largest online atlas, combi...
SIGMOD
2000
ACM
14 years 2 days ago
2000
ACM
High dimensional data has always been a challenge for clustering algorithms because of the inherent sparsity of the points. Recent research results indicate that in high dimension...
SIGMOD
2000
ACM
14 years 2 days ago
2000
ACM
SIGMOD
2000
ACM
14 years 2 days ago
2000
ACM
PODS
2000
ACM
14 years 2 days ago
2000
ACM
An estimation algorithm for a query is a probabilistic algorithm that computes an approximation for the size (number of tuples) of the query. One class of estimation algorithms us...
PODS
2000
ACM
14 years 2 days ago
2000
ACM
PODS
2000
ACM
14 years 2 days ago
2000
ACM
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PODS
2000
ACM
14 years 2 days ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
PODS
2000
ACM
14 years 2 days ago
2000
ACM
We study the problem of auditing databases which support statistical sum queries to protect the security of sensitive information; we focus on the special case in which the sensit...