User profiles for Giorgio Valentini

Giorgio Valentini

Computer Science Dept. - University of Milan
Verified email at di.unimi.it
Cited by 5808

Ensembles of learning machines

G Valentini, F Masulli - Neural Nets: 13th Italian Workshop on Neural Nets …, 2002 - Springer
Valentini. Effectiveness of error correcting output codes in multiclass learning problems. In …
Valentini. Upper bounds on the training error of ECOC-SVM ensembles. Technical Report TR-…

[PDF][PDF] Bias-variance analysis of support vector machines for the development of SVM-based ensemble methods

G Valentini, TG Dietterich - Journal of Machine Learning Research, 2004 - jmlr.org
Bias-variance analysis provides a tool to study learning algorithms and can be used to properly
design ensemble methods well tuned to the properties of a specific base learner. Indeed …

An experimental bias-variance analysis of SVM ensembles based on resampling techniques

G Valentini - IEEE Transactions on Systems, Man, and …, 2005 - ieeexplore.ieee.org
Recently, bias-variance decomposition of error has been used as a tool to study the behavior
of learning algorithms and to develop new ensemble methods well suited to the bias-…

[HTML][HTML] An expanded evaluation of protein function prediction methods shows an improvement in accuracy

…, A Savino, HU Rehman, M Re, M Mesiti, G Valentini… - Genome biology, 2016 - Springer
Background A major bottleneck in our understanding of the molecular underpinnings of life
is the assignment of function to proteins. While molecular experiments provide the most …

An overview of energy efficiency techniques in cluster computing systems

GL Valentini, W Lassonde, SU Khan, N Min-Allah… - Cluster …, 2013 - Springer
Two major constraints demand more consideration for energy efficiency in cluster computing:
(a) operational costs, and (b) system reliability. Increasing energy efficiency in cluster …

[HTML][HTML] The CAFA challenge reports improved protein function prediction and new functional annotations for hundreds of genes through experimental screens

…, M Notaro, G Grossi, A Petrini, M Re, G Valentini… - Genome biology, 2019 - Springer
Background The Critical Assessment of Functional Annotation (CAFA) is an ongoing, global,
community-driven effort to evaluate and improve the computational annotation of protein …

[PDF][PDF] A whole-genome analysis framework for effective identification of pathogenic regulatory variants in Mendelian disease

…, CJ Mungall, SE Lewis, T Groza, G Valentini… - The American Journal of …, 2016 - cell.com
The interpretation of non-coding variants still constitutes a major challenge in the application
of whole-genome sequencing in Mendelian disease, especially for single-nucleotide and …

[HTML][HTML] Generalisable long COVID subtypes: findings from the NIH N3C and RECOVER programmes

…, AE Solomonides, H Davis, K Kostka, G Valentini… - …, 2023 - thelancet.com
Background Stratification of patients with post-acute sequelae of SARS-CoV-2 infection (PASC,
or long COVID) would allow precision clinical management strategies. However, long …

[HTML][HTML] New frontiers in the catalytic synthesis of levulinic acid: from sugars to raw and waste biomass as starting feedstock

C Antonetti, D Licursi, S Fulignati, G Valentini… - Catalysts, 2016 - mdpi.com
Levulinic acid (LA) is one of the top bio-based platform molecules that can be converted into
many valuable chemicals. It can be produced by acid catalysis from renewable resources, …

True path rule hierarchical ensembles for genome-wide gene function prediction

G Valentini - IEEE/ACM Transactions on Computational Biology …, 2010 - ieeexplore.ieee.org
Gene function prediction is a complex computational problem, characterized by several
items: the number of functional classes is large, and a gene may belong to multiple classes; …