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GIS
2002
ACM
15 years 6 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
CLUSTER
2003
IEEE
15 years 12 months ago
Distributed Recursive Sets: Programmability and Effectiveness for Data Intensive Applications
This paper presents a concurrent object model based on distributed recursive sets for data intensive applications that use complex, recursive data layouts. The set abstraction is ...
Roxana Diaconescu, Reidar Conradi
PR
2007
100views more  PR 2007»
15 years 6 months ago
Linear manifold clustering in high dimensional spaces by stochastic search
Classical clustering algorithms are based on the concept that a cluster center is a single point. Clusters which are not compact around a single point are not candidates for class...
Robert M. Haralick, Rave Harpaz
ICDE
2008
IEEE
131views Database» more  ICDE 2008»
16 years 8 months ago
Outlier-Aware Data Aggregation in Sensor Networks
In this paper we discuss a robust aggregation framework that can detect spurious measurements and refrain from incorporating them in the computed aggregate values. Our framework ca...
Antonios Deligiannakis, Vassilis Stoumpos, Yannis ...
ACSD
2003
IEEE
87views Hardware» more  ACSD 2003»
15 years 12 months ago
Separation of Concerns in the Formal Design of Real-Time Shared Data-Space Systems
This paper proposes a formal framework for the design of real-time shared data-space systems. The proposed method separates the concerns of functionality, behavior, and timing. Th...
Mohammad Reza Mousavi, Michel A. Reniers, Twan Bas...