439 search results - page 43 / 88 » Unnesting Arbitrary Queries |
ALT
1997
Springer
14 years 1 months ago
1997
Springer
A pattern is a string of constant and variable symbols. The language generated by a pattern is the set of all strings of constant symbols which can be obtained from by substituti...
SSD
2007
Springer
14 years 4 months ago
2007
Springer
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
CLEF
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...