23 search results - page 3 / 5 » A Cost Model for Interval Intersection Queries on RI-Trees |
EDBT
2004
ACM
13 years 11 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
PVLDB
2008
13 years 5 months ago
2008
Time series data is common in many settings including scientific and financial applications. In these applications, the amount of data is often very large. We seek to support pred...
STOC
2000
ACM
13 years 10 months ago
2000
ACM
We consider a new model for computing with uncertainty. It is desired to compute a function f X1; : : : ; Xn where X1; : : : ; Xn are unknown, but guaranteed to lie in speci ed i...
WWW
2003
ACM
14 years 7 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
ICLP
1997
Springer
13 years 10 months ago
1997
Springer
Kowalski and Sergot’s Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which propert...