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IIR
2010
13 years 9 months ago
An Empirical Comparison of Collaborative Filtering Approaches on Netflix Data
Recommender systems are widely used in E-Commerce for making automatic suggestions of new items that could meet the interest of a given user. Collaborative Filtering approaches co...
Nicola Barbieri, Massimo Guarascio, Ettore Ritacco
IJCAI
2007
13 years 9 months ago
A Description Logic of Change
We combine the modal logic S5 with the description logic (DL) ALCQI. In this way, we obtain a multi-dimensional DL, S5ALCQI, whose purpose is reasoning about change. S5ALCQI is ca...
Alessandro Artale, Carsten Lutz, David Toman
SBBD
2008
183views Database» more  SBBD 2008»
13 years 9 months ago
Mining Software Repositories for Software Change Impact Analysis: A Case Study
Abstract Data mining algorithms have been recently applied to software repositories to help on the maintenance of evolving software systems. In the past, information about what cla...
Lile Hattori, Gilson Pereira dos Santos Jr., Ferna...
DAGSTUHL
2006
13 years 9 months ago
On impossibility of sequential algorithmic forecasting
The problem of prediction future event given an individual sequence of past events is considered. Predictions are given in form of real numbers pn which are computed by some algori...
Vladimir V. V'yugin
FLAIRS
2004
13 years 9 months ago
A Theory for Convex Interval Relations including Unbounded Intervals
We extend the basic axiomatization of interval convex relations by Allen and Hayes with unbounded intervals. Unbounded intervals include since intervals with a finite beginning po...
Diana Cukierman, James P. Delgrande