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ASTROVIRTEL: Tools and Operations
ASTROVIRTEL is a project supported by the European Commission and managed by the ST-ECF on behalf of ESA and ESO. It is aimed at enhancing the... -
The Master Catalogue of Stars Towards the Magellanic Clouds
The Master Catalogue of stars towards the Magellanic Clouds (MC2) is a multi-wavelength reference catalogue. We performed a systematic cross-matching... -
Massive Variability Search and Monitoring by OGLE and ASAS
OGLE and ASAS are long term observing projects operated by the Warsaw University Observatory at the Las Campanas site in Chile. OGLE is currently... -
The CATS Database as a Tool to Study Radio Sources
The CATS database unifies more than 350 catalogues mostly radio astronomical. It allows a user to execute over these data some operations including... -
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e-Star: Telescopes and Databases as a Single Information Grid
We present a sketch of a system which consists of a Grid of databases and telescopes within which intelligent agents assess the information available... -
Inter-Operability of ESA Science Archives
ESA Science Archives for ISO and XMM-Newton have been developed by the Science Operations and Data Systems Division in Villafranca, Spain. By using... -
The Prototype TNG Long-Term Archive and its Interactions with the Italian GRID Project
A pilot project is currently being carried out, aiming at demonstrating the feasibility of technical solutions for the construction of the Long-Term... -
Data Mining Facility
A major goal of the Virtual Observatory is to build tools for exploring and extracting new information from heterogeneous (and possibly very large)... -
The UDAPAC Project - Uccle Direct Astronomical Plate Archive Centre: A New International Facility for Inherited Observations
We discuss a project to create a centralized astronomical direct-plate archive and digitizing facility, with a view to making photographic data fully... -
Aladin in the VO Context
Aladin, the CDS interactive sky atlas is one of the important interoperability tools of the astronomy Web. Several recent improvements prepare it for... -
The Russian Virtual Observatory Portal. Convenience and Attractiveness
Nowadays Web-site designers pay more attention on attractiveness in the presentation and convenient work with offered information for site users.... -
The Real Astronomy Experience: Making the IVO Effective for International Planetaria and Science Centers
The Real Astronomy Experience, or RAE, is a new exhibit just beginning development in the late fall of 2002, hopefully to be funded by the US... -
iAstro: Computational and Information Infrastructure in the Astronomical DataGrid
The iAstro network is a European action supported by the COST program, to foster coordination in the domain of computational and information... -
The Great Observatories Origins Deep Survey: A VO Test Case?
The Great Observatories Origins Deep Survey is an effort to orchestrate limiting observations of a northern (HDF-N) and a southern (CDF-S) field,... -
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Cancer Classification with Microarray Data Using Support Vector Machines
Microarrays (Schena et al. 1995) are also called gene chips or DNA chips. On a microarray chip, there are thousands of spots. Each spot contains the... -
Random Voronoi Ensembles for Gene Selection in DNA Microarray Data
Currently, cancer and other complex pathologies are analyzed mainly by morphological classification. In the past few decades there have been dramatic... -
Class Prediction with Microarray Datasets
Microarray technology is having a significant impact in the biological and medical sciences and class prediction will play an increasingly important...