471 search results - page 51 / 95 » Graphical Querying of Multidimensional Databases |
PAKDD
2004
ACM
14 years 2 months ago
2004
ACM
Abstract. Given a point query Q in multi-dimensional space, K-Nearest Neighbor (KNN) queries return the K closest answers in the database with respect to Q. In this scenario, it is...
DOLAP
2005
ACM
13 years 10 months ago
2005
ACM
OLAP users heavily rely on visualization of query answers for their interactive analysis of massive amounts of data. Very often, these answers cannot be visualized entirely and th...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
SSD
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
PODS
1998
ACM
14 years 28 days ago
1998
ACM
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...