182 search results - page 27 / 37 » Approximate Colored Range Queries |
VLDB
2012
ACM
12 years 4 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
CE
2008
13 years 8 months ago
2008
Exploring student test, homework, and other assessment scores is a challenge for most teachers, especially when attempting to identify cross-assessment weaknesses and produce fina...
WADS
2005
Springer
14 years 1 months ago
2005
Springer
Spatial databases support a variety of geometric queries on point data such as range searches, nearest neighbor searches, etc. Balanced Aspect Ratio (BAR) trees are hierarchical sp...
TKDE
2008
13 years 8 months ago
2008
Given a dataset P, a k-means query returns k points in space (called centers), such that the average squared distance between each point in P and its nearest center is minimized. S...