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Building Data Grid for Spatial Information Applications by Meta-Data Adapters

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2 Author(s)
Zhen-Chun Huang ; Dept. of Comput. Sci. & Eng., Tsinghua Univ., Beijing ; Guo-qing Li

Data grid is powerful for distributed data sharing and collaborating, which is very important for the spatial information applications. But the difference among meta-data produced by space agencies around the world makes it difficult to re-organize data and share them. In this paper, a way named meta-data adapter is proposed, which can interpreter original meta-data with different syntax and semantic rules to required meta-data so that they can be organized as a distributed, heterogeneous, synergic, uniform interfaced, and inherent features based virtual remote sensing data catalog. Based on the meta-data adapter, SIG can build up a powerful and flexible data grid for spatial information applications. The experience of ldquoremote sensing data distribution system for WenChuan earthquake rescuingrdquo amazingly quick founding shows that meta-data adapter is a powerful and economical way to solve the problem of meta-data difference in data grid for spatial information applications. And it may be more powerful and extensible with the help of situation-based intelligent automatic adapter generating.

Published in:

Computer Science and Software Engineering, 2008 International Conference on  (Volume:3 )

Date of Conference:

12-14 Dec. 2008