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CIKM
2010
Springer
13 years 7 months ago
Hypergraph-based multilevel matrix approximation for text information retrieval
In Latent Semantic Indexing (LSI), a collection of documents is often pre-processed to form a sparse term-document matrix, followed by a computation of a low-rank approximation to...
Haw-ren Fang, Yousef Saad
INTERACT
2007
13 years 10 months ago
MatLink: Enhanced Matrix Visualization for Analyzing Social Networks
Abstract. Visualizing social networks presents challeges for both nodelink and adjacency matrix representations. Social networks are locally dense, which makes node-link displays u...
Nathalie Henry, Jean-Daniel Fekete
COMBINATORICS
2007
72views more  COMBINATORICS 2007»
13 years 8 months ago
Matrix Partitions with Finitely Many Obstructions
Each m by m symmetric matrix M over 0, 1, ∗, defines a partition problem, in which an input graph G is to be partitioned into m parts with adjacencies governed by M, in the sen...
Tomás Feder, Pavol Hell, Wing Xie
SIAMREV
2010
170views more  SIAMREV 2010»
13 years 3 months ago
Network Properties Revealed through Matrix Functions
The newly emerging field of Network Science deals with the tasks of modelling, comparing and summarizing large data sets that describe complex interactions. Because pairwise affin...
Ernesto Estrada, Desmond J. Higham
SDM
2009
SIAM
104views Data Mining» more  SDM 2009»
14 years 6 months ago
On Randomness Measures for Social Networks.
Social networks tend to contain some amount of randomness and some amount of non-randomness. The amount of randomness versus non-randomness affects the properties of a social netw...
Xiaowei Ying, Xintao Wu