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KDD
2004
ACM
157views Data Mining» more  KDD 2004»
13 years 10 months ago
Fast mining of spatial collocations
Spatial collocation patterns associate the co-existence of nonspatial features in a spatial neighborhood. An example of such a pattern can associate contaminated water reservoirs ...
Xin Zhang, Nikos Mamoulis, David W. Cheung, Yutao ...
ICTAC
2004
Springer
13 years 10 months ago
A Calculus for Shapes in Time and Space
We present a spatial and temporal logic based on Duration Calculus for the specification and verification of mobile real-time systems. We demonstrate the use of the formalism and...
Andreas Schäfer
GISCIENCE
2004
Springer
159views GIS» more  GISCIENCE 2004»
13 years 10 months ago
The SPIRIT Spatial Search Engine: Architecture, Ontologies and Spatial Indexing
Abstract. The SPIRIT search engine provides a test bed for the development of web search technology that is specialised for access to geographical information. Major components inc...
Christopher B. Jones, Alia I. Abdelmoty, David Fin...
EDBTW
2004
Springer
13 years 10 months ago
P2PR-Tree: An R-Tree-Based Spatial Index for Peer-to-Peer Environments
Abstract. The unprecedented growth and increased importance of geographically distributed spatial data has created a strong need for efficient sharing of such data. Interestingly, ...
Anirban Mondal, Yi Lifu, Masaru Kitsuregawa
DIAGRAMS
2004
Springer
13 years 10 months ago
Individual Differences in Graphical Reasoning
People sometimes appear to build analogical representations in order to reason about graphical information. In this paper we consider the extent to which the tendency to represent ...
Aidan Feeney, John Adams, Lara Webber, Michael R. ...
APWEB
2004
Springer
13 years 10 months ago
Multiresolution Spatial Databases: Making Web-Based Spatial Applications Faster
Abstract. Spatial data has now been used extensively in the Web environment, providing online customized maps and supporting map-based applications. The full potential of Web-based...
Xiaofang Zhou, Sham Prasher, Sai Sun, Kai Xu 0003
ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
13 years 10 months ago
Vague Spatial Data Types, Set Operations, and Predicates
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
Alejandro Pauly, Markus Schneider
SSD
2005
Springer
93views Database» more  SSD 2005»
13 years 10 months ago
Semantic Caching for Multiresolution Spatial Query Processing in Mobile Environments
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
Sai Sun, Xiaofang Zhou, Heng Tao Shen
SSD
2005
Springer
175views Database» more  SSD 2005»
13 years 10 months ago
Probabilistic Spatial Queries on Existentially Uncertain Data
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
Xiangyuan Dai, Man Lung Yiu, Nikos Mamoulis, Yufei...
PKDD
2005
Springer
92views Data Mining» more  PKDD 2005»
13 years 10 months ago
Mining Model Trees from Spatial Data
Mining regression models from spatial data is a fundamental task in Spatial Data Mining. We propose a method, namely Mrs-SMOTI, that takes advantage from a tight-integration with s...
Donato Malerba, Michelangelo Ceci, Annalisa Appice