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KDD
2007
ACM
244views Data Mining» more  KDD 2007»
16 years 4 months ago
A Recommender System Based on Local Random Walks and Spectral Methods
In this paper, we design recommender systems for weblogs based on the link structure among them. We propose algorithms based on refined random walks and spectral methods. First, w...
Zeinab Abbassi, Vahab S. Mirrokni
CORR
2011
Springer
202views Education» more  CORR 2011»
14 years 11 months ago
High Degree Vertices, Eigenvalues and Diameter of Random Apollonian Networks
ABSTRACT. Upon the discovery of power laws [8, 16, 30], a large body of work in complex network analysis has focused on developing generative models of graphs which mimick real-wor...
Alan M. Frieze, Charalampos E. Tsourakakis
IV
2003
IEEE
92views Visualization» more  IV 2003»
15 years 9 months ago
Visualizing Weighted Edges in Graphs
This paper introduces a new edge length heuristic that finds a graph layout where the edge lengths are proportional to the weights on the graph edges. The heuristic can be used in...
Peter Rodgers, Paul Mutton
CVPR
2009
IEEE
16 years 11 months ago
Multiplicative Nonnegative Graph Embedding
In this paper, we study the problem of nonnegative graph embedding, originally investigated in [14] for reaping the benefits from both nonnegative data factorization and the spe...
Changhu Wang (University of Science and Technology...
GI
2004
Springer
15 years 9 months ago
Outlier Detection by Rareness Assumption
: A concept for identification of candidates for outliers is presented, with a focus on nominal variables. The database concerned is searched for rules that are almost universally...
Tomas Hrycej, Jochen Hipp