New Trends in E-Science: Machine Learning and Knowledge Discovery in Databases

Italian center for Astronomical Archives (IA2, http://ia2.oats.inaf.it) is a national infrastructure project of the
Italian National Institute for Astrophysics (Istituto Nazionale di AstroFisica, INAF) that provides services for
the astronomical community. Besides data hosting for the Large Binocular Telescope (LBT) Corporation, the
Galileo National Telescope (Telescopio Nazionale Galileo, TNG) Consortium and other telescopes and instruments,
IA2 offers proprietary and public data access through user portals (both developed and mirrored) and
deploys resources complying the Virtual Observatory (VO) standards. Archiving systems and web interfaces are
developed to be extremely flexible about adding new instruments from other telescopes. VO resources publishing,
along with data access portals, implements the International Virtual Observatory Alliance (IVOA) protocols
providing astronomers with new ways of analyzing data. Given the large variety of data flavours and IVOA standards,
the need for tools to easily accomplish data ingestion and data publishing arises. This paper describes
the VO-Dance tool, that IA2 started developing to address VO resources publishing in a dynamical way from
already existent database tables or views. The tool consists in a Java web application, potentially DBMS and
platform independent, that stores internally the services' metadata and information, exposes restful endpoints to
accept VO queries for these services and dynamically translates calls to these endpoints to SQL queries coherent
with the published table or view. In response to the call VO-Dance translates back the database answer in a VO
compliant way.

The VO-Dance web application at the IA2 data center

VObs.it, the Italian contribution to the international Virtual Observatory—History, activities, strategy

GPU Computing for Machine Learning Algorithms

Interoperability and integration of theoretical data in the Virtual Observatory

Integration of Theoretical Data in the Virtual Observatory

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Interoperability and integration of theoretical data in the Virtual Observatory

Integration of Theoretical Data in the Virtual Observatory