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PAKDD
2010
ACM
193views Data Mining» more  PAKDD 2010»
14 years 8 months ago
As Time Goes by: Discovering Eras in Evolving Social Networks
Abstract. Within the large body of research in complex network analysis, an important topic is the temporal evolution of networks. Existing approaches aim at analyzing the evolutio...
Michele Berlingerio, Michele Coscia, Fosca Giannot...
ICPR
2002
IEEE
15 years 11 months ago
Hexagonal Image Representation for 3-D Photorealistic Reconstruction
A new data structure for representing the color of rays from multiple-view images is presented. The structure is a hexagonal tessellation generated from a buckyball. Using the str...
Hidenori Sato, Hiroto Matsuoka, Akira Onozawa, Hit...
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...
SODA
2012
ACM
174views Algorithms» more  SODA 2012»
13 years 10 days ago
Using hashing to solve the dictionary problem
We consider the dictionary problem in external memory and improve the update time of the wellknown buffer tree by roughly a logarithmic factor. For any λ ≥ max{lg lg n, logM/B(...
John Iacono, Mihai Patrascu
IDEAS
2000
IEEE
112views Database» more  IDEAS 2000»
15 years 2 months ago
Bulk Loading a Data Warehouse Built Upon a UB-Tree
This paper considers the issue of bulk loading large data sets for the UB-Tree, a multidimensional index structure. Especially in dataware housing (DW), data mining and OLAP it is...
Robert Fenk, Akihiko Kawakami, Volker Markl, Rudol...