|Eco Companion Australasia|
|Connect to Advanced Gateway Search|
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Gateways are advanced search interfaces to a group of Z39.50 search servers (nodes). Different gateways provide alternative ways of searching a set of the nodes. Each gateway has different capabilities and will present information in different ways. The main thing to bear in mind is that you are searching the same sources of metadata (concise descriptions of available spatial data). Usually you can conduct a simultaneous search of many data servers.