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SSD
1997
Springer
103views Database» more  SSD 1997»
15 years 10 months ago
Vague Regions
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
Martin Erwig, Markus Schneider
SIGMOD
1997
ACM
172views Database» more  SIGMOD 1997»
15 years 10 months ago
An Array-Based Algorithm for Simultaneous Multidimensional Aggregates
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
Yihong Zhao, Prasad Deshpande, Jeffrey F. Naughton
RULEML
2007
Springer
16 years 14 days ago
Querying the Semantic Web with SWRL
The SWRLTab is a development environment for working with SWRL rules in Protégé-OWL. It supports the editing and execution of SWRL rules. It also provides mechanisms to allow int...
Martin J. O'Connor, Samson W. Tu, Csongor Nyulas, ...
DAWAK
2000
Springer
15 years 10 months ago
Mining Frequent Binary Expressions
In data mining, searching for frequent patterns is a common basic operation. It forms the basis of many interesting decision support processes. In this paper we present a new type ...
Toon Calders, Jan Paredaens
COSIT
1997
Springer
102views GIS» more  COSIT 1997»
15 years 10 months ago
Partition and Conquer
Abstract. Although maps and partitions are ubiquitous in geographical information systems and spatial databases, there is only little work investigating their foundations. We give ...
Martin Erwig, Markus Schneider