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» Algorithm Visualization in Teaching Spatial Data Algorithms
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DL
2000
Springer
210views Digital Library» more  DL 2000»
15 years 4 months ago
Extracting and visualizing semantic structures in retrieval results for browsing
The paper introduces an approach that organizes retrieval results semantically and displays them spatially for browsing. Latent Semantic Analysis as well as cluster techniques are...
Katy Börner
92
Voted
ITICSE
1999
ACM
15 years 4 months ago
A strategy for managing content complexity in algorithm animation
Computer animation is an excellent medium for capturing the dynamic nature of data structure manipulations, and can be used to advantage in the teaching of algorithms and data str...
Linda Stern, Harald Søndergaard, Lee Naish
ICIP
1999
IEEE
16 years 1 months ago
Quadtrees for Embedded Surface Visualization: Constraints and Efficient Data Structures
The quadtree data structure is widely used in digital image processing and computer graphics for modeling spatial segmentation of images and surfaces. A quadtree is a tree in whic...
Laurent Balmelli, Jelena Kovacevic, Martin Vetterl...
SSD
1995
Springer
97views Database» more  SSD 1995»
15 years 3 months ago
Ranking in Spatial Databases
Abstract. An algorithm for ranking spatial objects according to increasing distance from a query object is introduced and analyzed. The algorithm makes use of a hierarchical spatia...
Gísli R. Hjaltason, Hanan Samet
SIGMOD
1998
ACM
129views Database» more  SIGMOD 1998»
15 years 4 months ago
Incremental Distance Join Algorithms for Spatial Databases
Two new spatial join operations, distance join and distance semijoin, are introduced where the join output is ordered by the distance betweenthe spatialattribute values ofthe join...
Gísli R. Hjaltason, Hanan Samet