SD-SQL Server is a scalable distributed DBS using internally the SQL Server. The relational tables of SD-SQL Server scale through splits transparently for the application. SD-SQL Server is the only DBS with this capability at present. It constitutes an important step beyond the current technology of a parallel DBMS, long awaited by the users. The splitting and addressing principles of our syste...

& This paper presents a subgroup discovery algorithm APRIORI-SD, developed by adapting association rule learning to subgroup discovery. The paper contributes to subgroup discovery, to a better understanding of the weighted covering algorithm, and the properties of the weighted relative accuracy heuristic by analyzing their performance in the ROC space. An experimental comparison with rule learn...

Geographic atrophy (GA) is a condition that is associated with retinal thinning and loss of the retinal pigment epithelium (RPE) layer. It appears in advanced stages of non-exudative age-related macular degeneration (AMD) and can lead to vision loss. We present a semi-automated GA segmentation algorithm for spectral-domain optical coherence tomography (SD-OCT) images. The method first identifie...

This paper describes the main elements of a functional platform for building Semantic Web Applications, the Semantic Directory (additional information can be found at http://khaos.uma.es/SD-Core). A Semantic Directory provides a resource directory, in which web resources are registered and their semantics published. Using the Semantic Directories we provide a solution for publishing the semanti...

Vennix, Andersen and Richardson have addressed the problem of integrating the work of the system dynamics modellers into the decision making processes of an organisation. Using "group modelling techniques". This paper suggests that, in addition to a process which involves the facilitation of the modelling process with a group of internal organisational participants, it is necessary to provide a...

Eighteen patients with recessive retinitis pigmentosa were tissue typed for HLA-SD antigens. There was no evidence that a particular HLA-SD antigen was associated with autosomal recessive retinitis pigmentosa.

Graphene, made of sp^{2} hybridized carbon, is characterized with a Dirac band, representative of its underlying 2D hexagonal lattice. The fundamental understanding of graphene has recently spurred a surge in the search for 2D topological quantum phases in solid-state materials. Here, we propose a new form of 2D material, consisting of sd^{2} hybridized transition metal atoms in hexagonal latti...

Many different paradigms have been studied in the past to treat tree structured data, including kernel and neural based approaches. However, both types of methods have their own drawbacks. Kernels typically can only cope with discrete labels and tend to be sparse. On the other side, SOM-SD, an extension of the SOM for structured data, is unsupervised and Markovian, i.e. the representation of a ...