189 search results - page 32 / 38 » Approximating predicates and expressive queries on probabili... |
VLDB
2001
ACM
13 years 12 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
FQAS
2009
Springer
14 years 2 days ago
2009
Springer
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
MICAI
2005
Springer
14 years 29 days ago
2005
Springer
Abstract. Kernel based methods (such as k-nearest neighbors classifiers) for AI tasks translate the classification problem into a proximity search problem, in a space that is usu...
SDB
1995
13 years 11 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....