6905 search results - page 89 / 1381 » Querying Multidimensional Databases |
EDBT
2004
ACM
14 years 10 months ago
2004
ACM
Abstract. Hierarchical clustering has been proved an effective means for physically organizing large fact tables since it reduces significantly the I/O cost during ad hoc OLAP quer...
DASFAA
2008
IEEE
14 years 4 months ago
2008
IEEE
Applications demanding multidimensional index structures for performing efficient similarity queries often involve a large amount of data. The conventional tuple-loading approach t...
CIVR
2007
Springer
14 years 4 months ago
2007
Springer
Scalability is the key issue in making content-based copy detection (CBCD) methods practical for very large image and video databases. Since copies are transformed versions of ori...
TOCL
2002
13 years 9 months ago
2002
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
ISAAC
2004
Springer
14 years 3 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...