Sciweavers

785 search results - page 21 / 157
» An Algebra of Hierarchical Graphs
Sort
View
LSSC
2007
Springer
14 years 4 months ago
Application of Hierarchical Decomposition: Preconditioners and Error Estimates for Conforming and Nonconforming FEM
A successive refinement of a finite element grid provides a sequence of nested grids and hierarchy of nested finite element spaces as well as a natural hierarchical decompositio...
Radim Blaheta
BDA
2004
13 years 11 months ago
Tree Graph Views: On Efficient Evaluation of XQuery in an XML Mediator
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
Tuyet-Tram Dang-Ngoc, Georges Gardarin, Nicolas Tr...
GD
2004
Springer
14 years 3 months ago
Visualizing Large Graphs with Compound-Fisheye Views and Treemaps
Compound-fisheye views are introduced as a method for the display and interaction with large graphs. The method relies on a hierarchical clustering of the graph, and a generalizat...
James Abello, Stephen G. Kobourov, Roman Yusufov
CVPR
2010
IEEE
14 years 2 months ago
Efficient Hierarchical Graph-Based Video Segmentation
We present an efficient and scalable technique for spatiotemporal segmentation of long video sequences using a hierarchical graph-based algorithm. We begin by oversegmenting a vol...
Matthias Grundmann, Vivek Kwatra, Mei Han, Irfan E...
DCG
2010
101views more  DCG 2010»
13 years 10 months ago
Obstacle Numbers of Graphs
es of Statistics (2); Calculus 2; Multivariable Calculus; Abstract Algebra 1 (2) Research with undergraduate students:
Hannah Alpert, Christina Koch, Joshua D. Laison