Sciweavers

618 search results - page 8 / 124
» Aggregated Subset Mining
Sort
View
FQAS
2009
Springer
202views Database» more  FQAS 2009»
14 years 1 months ago
Controlled Aggregate Tree Shaped Questions over Ontologies
Abstract. Controlled languages (CLs) are ambiguity-free subsets of natural languages such as English offering a good trade-off between the formal rigor of ontology and query langua...
Camilo Thorne, Diego Calvanese
ICDE
2007
IEEE
167views Database» more  ICDE 2007»
14 years 1 months ago
Load Shedding for Window Joins on Multiple Data Streams
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
Yan-Nei Law, Carlo Zaniolo
DOLAP
2004
ACM
14 years 24 days ago
A new OLAP aggregation based on the AHC technique
Nowadays, decision support systems are evolving in order to handle complex data. Some recent works have shown the interest of combining on-line analysis processing (OLAP) and data...
Riadh Ben Messaoud, Omar Boussaid, Sabine Rabas&ea...
ICDE
2003
IEEE
96views Database» more  ICDE 2003»
14 years 8 months ago
Pushing Aggregate Constraints by Divide-and-Approximate
Iceberg-cube mining is to compute the GROUP BY partitions, for all GROUP BY dimension lists, that satisfy a given aggregate constraint. Previous works have pushed anti-monotone co...
Ke Wang, Yuelong Jiang, Jeffrey Xu Yu, Guozhu Dong...
BIBE
2004
IEEE
156views Bioinformatics» more  BIBE 2004»
13 years 11 months ago
GeneWebEx: Gene Annotation Web Extraction, Aggregation, and Updating from Web-Based Biomolecular Databanks
Numerous genomic annotations are currently stored in different web-accessible databanks that scientists need to mine with user-defined queries and in a batch mode to orderly integ...
Marco Masseroli, Andrea Stella, Natalia Meani, Myr...