Semantic Web and CEOS

Clive Best

Lessons we learned

• Metadata can be produced automatically• RDF is “atomic” metadata• RDF responds well to real time data• XSLT is a wonderful thing• Simple things are usually best• Semantic Web ideas offer a new approach to

EO resource discovery,

Complexity – is it time to rethink ?

?

data

complexityagent

Earth Science Data TodayDirectoryServices

Interoperable Islands

Web SiteData

Data islands

Earth Science Data tomorrowDirectoryServices

Interoperable Islands

Web SiteData

Data islands

RDFDynamicCatalogs

ESOntology

In search of the Holy Grail

The Web revolutionised access to documents

The Semantic Web could revolutionise access to data ?

HTTP HTML BROWSER

HTTP RDF ?

Some further ideas

( Dirk & Zac)