102 search results - page 11 / 21 » Aggregation Algorithms for Very Large Compressed Data Wareho... |
DAWAK
2009
Springer
13 years 5 months ago
2009
Springer
Enhancing on line analytical processing through efficient cube computation plays a key role in Data Warehouse management. Hashing, grouping and mining techniques are commonly used ...
VVS
1995
IEEE
13 years 11 months ago
1995
IEEE
This paper explores the use of multi-dimensional trees to provide spatial and temporal e ciencies in imaging large data sets. Each node of the tree contains a model of the data in...
ICDE
2010
IEEE
13 years 7 months ago
2010
IEEE
— Emerging uncertain database applications often involve the cleansing (conditioning) of uncertain databases using additional information as new evidence for reducing the uncerta...
VLDB
1998
ACM
13 years 11 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...
NIPS
1997
13 years 8 months ago
1997
I present an expectation-maximization (EM) algorithm for principal component analysis (PCA). The algorithm allows a few eigenvectors and eigenvalues to be extracted from large col...