Rob Lemmens Andreas Wytzisk Rolf A. de By Carlos Granell Michael Gould Peter van Oosterom Integrating Semantic and Syntactic Descriptions to Chain Geographic Services. 42-52 2006 10 IEEE Internet Computing 5 http://doi.ieeecomputersociety.org/10.1109/MIC.2006.106 db/journals/internet/internet10.html#LemmensWBGGO06