538 search results - page 30 / 108 » Efficient and Effective Clustering Methods for Spatial Data ... |
ICDM
2006
IEEE
14 years 3 months ago
2006
IEEE
High dimensionality remains a significant challenge for document clustering. Recent approaches used frequent itemsets and closed frequent itemsets to reduce dimensionality, and to...
KDD
2007
ACM
14 years 9 months ago
2007
ACM
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
KDD
1997
ACM
14 years 1 months ago
1997
ACM
1 Several clustering algorithms have been proposed for class identification in spatial databases such as earth observation databases. The effectivity of the well-known algorithms ...
JIPS
2010
13 years 3 months ago
2010
Spatio-temporal patterns extracted from historical trajectories of moving objects reveal important knowledge about movement behavior for high quality LBS services. Existing approac...
ATAL
2006
Springer
14 years 21 days ago
2006
Springer
Numerous domains ranging from distributed data acquisition to knowledge reuse need to solve the cluster ensemble problem of combining multiple clusterings into a single unified cl...