Aijun Chen Liping Di Yaxing Wei Yuqi Bai Yang Liu An Optimized Grid-Based, OGC Standards-Compliant Collaborative Software System for Serving NASA Geospatial Data. 159-166 2006 conf/sew/2006 SEW http://doi.ieeecomputersociety.org/10.1109/SEW.2006.11 db/conf/sew/sew2006.html#ChenDWBL06