833 search results - page 54 / 167 » Wallet Databases with Observers |
ICDE
1999
IEEE
14 years 11 months ago
1999
IEEE
In this paper we study the node distribution of an Rtree storing region data, like for instance islands, lakes or human-inhabited areas. We will show that real region datasets are...
VLDB
2004
ACM
14 years 10 months ago
2004
ACM
: This paper presents the "situation manager", a tool that includes both a language and an efficient run-time execution mechanism, aimed at reducing the complexity of act...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
In this paper, we study whether the need for efficient XML publishing brings any new requirements for relational query engines, or if sorting query results in the relational engin...
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
An -appro ximate quantile summary of a sequence of N elements is a data structure that can answer quantile queries about the sequence to within a precision of N. We presen t a new...
PODS
2005
ACM
14 years 10 months ago
2005
ACM
The traditional statistical assumption for interpreting histograms and justifying approximate query processing methods based on them is that all elements in a bucket have the same...