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INFOVIS
2002
IEEE
15 years 2 months ago
Multiple Foci Drill-Down through Tuple and Attribute Aggregation Polyarchies in Tabular Data
Information analysis often involves decomposing data into sub-groups to allow for comparison and identification of relationships. Breakdown Visualization provides a mechanism to s...
Nathan Conklin, Sandeep Prabhakar, Chris North
GRAPHICSINTERFACE
1997
14 years 11 months ago
Multiresolution BSP Trees Applied to Terrain, Transparency, and General Objects
We present a system for incorporating multiple level of detail (LOD) models of 3D objects within a single hierarchical data structure. This system was designed for a scientific vi...
Charles Wiley, A. T. Campbell III, Stephen A. Szyg...
SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
15 years 10 months ago
Incremental and Effective Data Summarization for Dynamic Hierarchical Clustering
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
Corrine Cheng, Jörg Sander, Samer Nassar
DOLAP
2003
ACM
15 years 3 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
GECCO
2006
Springer
151views Optimization» more  GECCO 2006»
15 years 1 months ago
Sporadic model building for efficiency enhancement of hierarchical BOA
This paper describes and analyzes sporadic model building, which can be used to enhance the efficiency of the hierarchical Bayesian optimization algorithm (hBOA) and other advance...
Martin Pelikan, Kumara Sastry, David E. Goldberg