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» Order in Space: A General Formalism for Spatial Reasoning
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GIS
2002
ACM
13 years 8 months ago
Opening the black box: interactive hierarchical clustering for multivariate spatial patterns
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
Diansheng Guo, Donna Peuquet, Mark Gahegan
GIS
1998
ACM
13 years 8 months ago
Mean-Variance Analysis of the Performance of Spatial Ordering Methods
Geographical Information Systems (GIS) involve the manipulation of large spatial data sets, and the performance of these systems is often determined by how these data sets are orga...
Akhil Kumar, Waleed A. Muhanna, Raymond A. Patters...
FM
1991
Springer
164views Formal Methods» more  FM 1991»
13 years 12 months ago
Formalizing Design Spaces: Implicit Invocation Mechanisms
An important goal of software engineering is to exploit commonalities in system design in order to reduce the complexity of building new systems, support largescale reuse, and pro...
David Garlan, David Notkin
ATAL
2007
Springer
14 years 13 days ago
Planning and defeasible reasoning
We present an argumentation-based formalism that an agent could use for constructing plans. We will analyze the interaction of arguments and actions when they are combined to cons...
Diego R. García, Alejandro Javier Garc&iacu...
ICDE
2007
IEEE
228views Database» more  ICDE 2007»
14 years 2 months ago
A General Cost Model for Dimensionality Reduction in High Dimensional Spaces
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
Xiang Lian, Lei Chen 0002