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AVI
2008
14 years 11 months ago
Visualizing program similarity in the Ac plagiarism detection system
Programming assignments are easy to plagiarize in such a way as to foil casual reading by graders. Graders can resort to automatic plagiarism detection systems, which can generate...
Manuel Freire
CORR
2010
Springer
78views Education» more  CORR 2010»
14 years 10 months ago
Flow-Cut Gaps for Integer and Fractional Multiflows
Consider a routing problem instance consisting of a demand graph H = (V, E(H)) and a supply graph G = (V, E(G)). If the pair obeys the cut condition, then the flow-cut gap for thi...
Chandra Chekuri, F. Bruce Shepherd, Christophe Wei...
JCT
2008
76views more  JCT 2008»
14 years 10 months ago
Quadruple systems with independent neighborhoods
A 4-graph is odd if its vertex set can be partitioned into two sets so that every edge intersects both parts in an odd number of points. Let b(n) = max n 3 + (n - ) 3 = 1 2 + o...
Zoltán Füredi, Dhruv Mubayi, Oleg Pikh...
SIAMDM
2000
103views more  SIAMDM 2000»
14 years 9 months ago
Directional Routing via Generalized st-Numberings
We present a mathematical model for network routing based on generating paths in a consistent direction. Our development is based on an algebraic and geometric framework for defini...
Fred S. Annexstein, Kenneth A. Berman
PKDD
2010
Springer
179views Data Mining» more  PKDD 2010»
14 years 8 months ago
Laplacian Spectrum Learning
Abstract. The eigenspectrum of a graph Laplacian encodes smoothness information over the graph. A natural approach to learning involves transforming the spectrum of a graph Laplaci...
Pannagadatta K. Shivaswamy, Tony Jebara