This article describes a geographical study on the usage of a search engine, focusing on the traffic details at the level of countries and continents. The main objective is to un...
Ricardo A. Baeza-Yates, Christian Middleton, Carlo...
This research concerns the definition of a service-oriented approach for business processes modeling. Business services are reusable process units that contain one or several proc...
A performance and robustness study for on-line signature veri cation is presented. Experiments are carried out on the MCYT database comprising 16,500 signatures from 330 subjects,...
We propose new algorithms for estimating autoregressive (AR), moving average (MA), and ARMA models in the spectral domain. These algorithms are derived from a maximum likelihood a...
This work introduces a novel data mining scheme, spatial pyramid mining, to discover association rules at multiple resolutions in order to identify frequent spatial configuration...