766 search results - page 112 / 154 » Commuting aggregation operators |
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
DKE
2008
13 years 8 months ago
2008
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
CCR
2005
13 years 8 months ago
2005
This paper focuses on "router-based" defense mechanisms, and whether they can provide effective solutions to network Denialof-Service (DoS) attacks. Router-based defense...
SCP
2000
13 years 8 months ago
2000
Obtaining performance models, like Markov chains and queueing networks, for systems of significant complexity and magnitude is a difficult task that is usually tackled using human...
PVLDB
2008
13 years 8 months ago
2008
Content Management Systems (CMS) store enterprise data such as insurance claims, insurance policies, legal documents, patent applications, or archival data like in the case of dig...