792 search results - page 1 / 159 » Computing Iceberg Queries Efficiently |
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
Many applications compute aggregate functions over an attribute (or set of attributes) to find aggregate values above some specified threshold. We call such queries iceberg querie...
DASFAA
2004
IEEE
13 years 9 months ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
PODS
2006
ACM
14 years 5 months ago
2006
ACM
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
ICCS
2004
Springer
13 years 10 months ago
2004
Springer
In this paper we study two orthogonal extensions of the classical data mining problem of mining association rules, and show how they naturally interact. The first is the extension...
DKE
2002
13 years 5 months ago
2002
We introduce the notion of iceberg concept lattices and show their use in knowledge discovery in databases. Iceberg lattices are a conceptual clustering method, which is well suit...