We propose computationally efficient and numerically reliable algorithms to compute minimal realizations of periodic descriptor systems. The main computational tool employed for the structural analysis of periodic descriptor systems (i.e., reachability and observability) is the orthogonal reduction of periodic matrix pairs to Kronecker-like forms. Specializations of a general reduction algorith...

Insubria QSAR PaDEL-Descriptor model for prediction of Esters toxicity in Daphnia magna 1.2.Other related models: E.Papa, F. Battaini, P.Gramatica. Ranking of aquatic toxicity of esters modelled by QSAR, Chemosphere (58), 2005, 559-570.[9] 1.3.Software coding the model: [1]PaDEL-Descriptor 2.18 A software to calculate molecular descriptors and fingerprints http://padel.nus.edu.sg/software/padel...

In this paper we propose a general framework for the characterization of shape descriptors and show its application to graphic symbols. The framework is based on the combination of several performance measures independent of the application. We have applied this framework using a standard set of descriptors and databases. We show how it can be used to characterize the properties of each descrip...

This paper presents a redesign of a CD player, a combination of creative and analytical processes. After an analysis with users of the product and its functionalities, the interaction relabelling technique was used to explore richness of actions, while the Frogger framework was used to design for intuitiveness. The resulting ideas were translated into interactive prototypes, involving functiona...

Insubria QSAR PaDEL-Descriptor model for prediction of Endocrine Disruptors Chemicals (EDC) Estrogen Receptor (ER)-binding affinity. 1.2.Other related models: J.Li and P.Gramatica. The importance of molecular structures, endpoints’ values, and predictivity parameters in QSAR research: QSAR analysis of a series of estrogen receptor binders, Mol. Divers. 14, 2010, pp 687-696. [8] 1.3.Software cod...