Foaf

• Agent - Person or Group
• Document
• Group - Knowledge Tree:User and as an indicator for Knowledge Tree:User.isGroup
• Image - Knowledge Tree:Group
• OnlineAccount - used for Knowledge Tree:User.hasLogin
• OnlineChatAccount
• OnlineEcommerceAccount
• OnlineGamingAccount
• Organization
• Person
• PersonalProfileDocument
• Project
• accountName - Knowledge Tree:User.hasLogin
• accountServiceHomepage
• aimChatID
• based_near
• birthday
• currentProject
• depiction
• depicts
• dnaChecksum
• family_name
• firstName
• fundedBy
• geekcode
• gender
• givenname
• holdsAccount - used for Knowledge Tree:User.hasLogin
• homepage
• icqChatID
• img
• interest
• isPrimaryTopicOf
• jabberID
• knows
• logo
• made
• maker
• mbox
• mbox_sha1sum - Knowledge Tree:User.hasEmail
• member - Knowledge Tree:User.hasMember, as inverse in Knowledge Tree:User.isMemberOf
• membershipClass
• msnChatID
• myersBriggs
• name - Knowledge Tree:User.hasName
• nick
• page
• pastProject
• phone
• plan
• primaryTopic
• publications
• schoolHomepage
• sha1
• surname
• theme
• thumbnail
• tipjar
• title
• topic
• topic_interest
• weblog
• workInfoHomepage
• workplaceHomepage
• yahooChatID