6905 search results - page 19 / 1381 » Querying Multidimensional Databases |
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
CIKM
2010
Springer
13 years 8 months ago
2010
Springer
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
Top-k queries based on ranking elements of multidimensional datasets are a fundamental building block for many kinds of information discovery. The best known general-purpose algor...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
ICDE
2012
IEEE
12 years 8 days ago
2012
IEEE
—We demonstrate DPCube, a component in our Health Information DE-identification (HIDE) framework, for releasing differentially private data cubes (or multi-dimensional histogram...