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» Some Results on the Modelling of Spatial Data
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DEXA
2000
Springer
98views Database» more  DEXA 2000»
14 years 1 months ago
Optimal Page Ordering for Region Queries in Static Spatial Databases
Page ordering is to define the order of pages in one-dimensional storage for storing two-dimensional spatial data to reduce the number of disk seeks. Previous works relating to pag...
Daesoo Cho, Bonghee Hong
CVPR
2003
IEEE
14 years 10 months ago
Recognising and Monitoring High-Level Behaviours in Complex Spatial Environments
The recognition of activities from sensory data is important in advanced surveillance systems to enable prediction of high-level goals and intentions of the target under surveilla...
Nam Thanh Nguyen, Hung Hai Bui, Svetha Venkatesh, ...
GIS
1995
ACM
14 years 10 days ago
A Window Retrieval Algorithm for Spatial Databases Using Quadtrees
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
Walid G. Aref, Hanan Samet
BMCBI
2010
259views more  BMCBI 2010»
13 years 3 months ago
Rule-based spatial modeling with diffusing, geometrically constrained molecules
Background: We suggest a new type of modeling approach for the coarse grained, particle-based spatial simulation of combinatorially complex chemical reaction systems. In our appro...
Gerd Gruenert, Bashar Ibrahim, Thorsten Lenser, Ma...
ACSC
2003
IEEE
14 years 2 months ago
A Unifying Semantic Distance Model for Determining the Similarity of Attribute Values
The relative difference between two data values is of interest in a number of application domains including temporal and spatial applications, schema versioning, data warehousing...
John F. Roddick, Kathleen Hornsby, Denise de Vries