439 search results - page 37 / 88 » Unnesting Arbitrary Queries |
DEXA
2000
Springer
14 years 2 months ago
2000
Springer
The relational model, as proposed by Codd, contained the concept of relations as tables composed of tuples of single valued attributes taken from a domain. In most of the early lit...
BTW
2007
Springer
14 years 1 months ago
2007
Springer
: The reverse k-nearest neighbor (RkNN) problem, i.e. finding all objects in a data set the k-nearest neighbors of which include a specified query object, has received increasing a...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
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...
ICALP
1992
Springer
14 years 2 months ago
1992
Springer
Abstract Bernard Chazelle Department of Computer Science Princeton University Burton Rosenberg Department of Mathematics and Computer Science Dartmouth College We give a lower bou...