938 citations
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11 papers · 1 filter
Timed Comparisons of Semi-Markov Processes
Mathias Ruggaard Pedersen, Nathanaël Fijalkow, Giorgio Bacci +2
Semi-Markov processes are Markovian processes in which the firing time of the transitions is modelled by probabilistic distributions over positive reals interpreted as the probabil…
Network dynamics of innovation processes
Iacopo Iacopini, Staša Milojević, Vito Latora
We introduce a model for the emergence of innovations, in which cognitive processes are described as random walks on the network of links among ideas or concepts, and an innovation…
Extracting Hierarchies of Search Tasks & Subtasks via a Bayesian Nonparametric Approach
Rishabh Mehrotra, Emine Yilmaz
A significant amount of search queries originate from some real world information need or tasks. In order to improve the search experience of the end users, it is important to have…
Discovery of statistical equivalence classes using computer algebra
Christiane Görgen, Anna Bigatti, Eva Riccomagno +1
Discrete statistical models supported on labelled event trees can be specified using so-called interpolating polynomials which are generalizations of generating functions. These ad…
Miscomputation in software: Learning to live with errors
Tomas Petricek
Computer programs do not always work as expected. In fact, ominous warnings about the desperate state of the software industry continue to be released with almost ritualistic regul…
Emergence of world-stock-market network
M. Saeedian, T. Jamali, M. Z. Kamali +3
In the age of globalization, it is natural that the stock market of each country is not independent form the other markets. In this case, collective behavior could be emerged form…