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DAGSTUHL
2007
14 years 11 months ago
A Deeper Investigation of PageRank as a Function of the Damping Factor
PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor α that spre...
Paolo Boldi, Massimo Santini, Sebastiano Vigna
DAGSTUHL
2007
14 years 11 months ago
Discovering Knowledge from Local Patterns with Global Constraints
It is well known that local patterns are at the core of a lot of knowledge which may be discovered from data. Nevertheless, use of local patterns is limited by their huge number an...
Bruno Crémilleux, Arnaud Soulet
DAGSTUHL
2007
14 years 11 months ago
Towards a Logic of Graded Normativity and Norm Adherence
A key focus of contemporary agent-oriented research and engineering is on open multiagent systems composed of truly autonomous, interacting agents. This poses new challenges, as en...
Matthias Nickles
DAGSTUHL
2007
14 years 11 months ago
An analytic solution to the alibi query in the bead model for moving object data
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...
Bart Kuijpers, Walied Othman
DAGSTUHL
2007
14 years 11 months ago
Convergence of iterative aggregation/disaggregation methods based on splittings with cyclic iteration matrices
Iterative aggregation/disaggregation methods (IAD) belong to competitive tools for computation the characteristics of Markov chains as shown in some publications devoted to testing...
Ivo Marek, Ivana Pultarová, Petr Mayer