Enabling user-oriented data access in a satellite data portal
Date
2007Author
Kalyanam, Rajesh
Zhao, Lan
Park, Taezoon
Biehl, Larry
Song, Carol
Metadata
Show full item recordAbstract
This paper presents the design and implementation of a webenabled
platform for enhancing user data access experience in a
satellite data portal. The platform integrates a number of useroriented
capabilities including the subscription, production,
dissemination, and visualization of custom satellite remote
sensing data hosted at the Purdue Terrestrial Observatory (PTO).
Different from a traditional remote sensing system, the PTO data
portal aims at enabling access to real-time satellite remote sensing
data products for a large, diverse user community. Central to this
system is a user-driven publish/subscribe model that empowers
users with the ability to specify, control, and receive satellite data
products without having to go through the time-consuming and
error-prone manual process of configuring the system to generate
the requested data. The user-oriented capabilities are implemented
on top of a service-oriented architecture (SOA) backed by an
existing satellite data receiving and processing backend. To
control the processing of user data subscription requests, a
workflow is created by leveraging the SOA interfaces and
mechanisms. The user-oriented platform also embraces the recent
Web 2.0 technologies in bringing the rich access, sharing, and
collaboration capabilities available in the general cyberspace to
the scientific user communities
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