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AIRWEB
2005
Springer
16 years 5 days ago
Pagerank Increase under Different Collusion Topologies
We study the impact of collusion –nepotistic linking– in a Web graph in terms of Pagerank. We prove a bound on the Pagerank increase that depends both on the reset probability...
Ricardo A. Baeza-Yates, Carlos Castillo, Vicente L...
FOSSACS
2004
Springer
16 years 13 hour ago
On Term Rewriting Systems Having a Rational Derivation
Several types of term rewriting systems can be distinguished by the way their rules overlap. In particular, we define the classes of prefix, suffix, bottom-up and top-down system...
Antoine Meyer
WWW
2010
ACM
15 years 12 months ago
RDF compression: basic approaches
This paper studies the compressibility of RDF data sets. We show that big RDF data sets are highly compressible due to the structure of RDF graphs (power law), organization of URI...
Javier D. Fernández, Claudio Gutierrez, Mig...
FOCS
2003
IEEE
15 years 12 months ago
A Non-Markovian Coupling for Randomly Sampling Colorings
We study a simple Markov chain, known as the Glauber dynamics, for randomly sampling (proper) k-colorings of an input graph G on n vertices with maximum degree ∆ and girth g. We...
Thomas P. Hayes, Eric Vigoda
ICALT
2003
IEEE
15 years 12 months ago
Visualization of the Learning Process Using Concept Mapping
Visualization of the learning processes is a powerful way to help students to understand their curricula and the structure behind them. CME2 is a prototype software of this favour...
Jussi A. Nuutinen, Erkki Sutinen