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| Paper: |
IVOA Data Access Layer: Roadmap as of Year 2020 |
| Volume: |
532, ASTRONOMICAL DATA ANALYSIS SOFTWARE AND SYSTEMS XXX |
| Page: |
285 |
| Authors: |
Molinaro, M.; Dempsey, J. |
| Abstract: |
The International Virtual Observatory Alliance (IVOA) produces standards to enable the
sharing of astronomical data and services to the global astrophysical community. Within the
IVOA, the Data Access Layer (DAL) working group aims to provide standards for querying and
accessing data holdings. The standards are primarily implemented by observatories and other
data providers, so that the community can use standard tools to interact with the data
holdings. Recently, the DAL community has addressed the discovery and exchange of
multi-dimensional and multi-messenger data. It has also tackled new topics such as retrieval
of observation location and object visibility information. They are now examining further
support for the time domain and radio astronomy communities.
We present the current DAL status and progress, in order to keep implementors up to date
with the DAL landscape. We also discuss upcoming changes to DAL standards.
Community contribution and feedback on these standards are needed. We particularly encourage
feedback from the data providers and projects that are using VO technologies to address
their scientific community's requirements. |
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