@prefix rss: <http://purl.org/rss/1.0/>.
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.

[rssItemsAreFoafDocuments: 
        (?C rdf:type rss:item) 
    -> 
        (?C rdf:type foaf:Document) ]

[preferDCTitles: 
       (?C rdf:type rss:item), (?C rss:title ?title) 
    -> 
       (?C dc:title ?title)]

[createPersonFromDescription: 
       (?C rss:description ?author), 
       (?C dc:creator ?myNick),
   makeTemp(?person)    
   -> 
     (?person rdf:type foaf:Person), 
     (?C foaf:maker ?person), 
     (?person foaf:weblog ?C),
     (?person foaf:name ?author)]

[thisChannelIsMe:
       (?C rdf:type rss:channel),
       makeTemp(?person)
   ->
     (?person rdf:type foaf:Person)
     (?person foaf:maker ?C)
     (?person foaf:nick 'ldodds')]
     
[iKnowMyFriends:
       (?C rdf:type rss:item),
       (?C foaf:maker ?friend),
       (?C dc:creator ?creator),
       (?me foaf:nick ?creator)
    -> 
       (?me foaf:knows ?friend)]