Thread:User talk:Kwinkunks/Answers from your SMWCon Preso

Regarding your questions, take a look at the following:

For polygons and lines on maps: http://semantic-mediawiki.org/wiki/Maps_examples/Google_Maps_shapes

For bringing in external data (like exchange rates) and storing it as a semantic property: http://www.mediawiki.org/wiki/Extension:External_Data#Using_External_Data_with_Semantic_MediaWiki