Ideal components

essential

Front end

• designer control on front end
• accessible & fluid
• RESTy URLs
• in place editing
• embedded wiki parser or other way of creating composite documents

Data

• rdfa
• micro licenses
  • ccREL
• polymorphic data
• REST (JSON), SPARQL queryable
• strict validation
  • JSR 303

Execution

• runs nearly anywhere
• scalable
• fine grained security
• sso

Construction

• uses standard libraries
• fluid development (no restarting)

nice to have

• polyglot - jvm, ruby, python, php, etc

Other info

reciprocal content

http://openlayers.org/ - free maps (using openstreetmaps)

http://semanticweb.org/wiki/SemFS - webdav access to smw tagged content (java)

microformats - http://microformats.org/

http://en.wikipedia.org/wiki/Mulgara_(software) - scalable rdf store

mulgara - scalable rdf (java) - http://docs.mulgara.org/overview/links.html links to lots of orientation

Ontologies

http://ontologyonline.org/ - meta directory

http://www.schemaweb.info/default.aspx - RDF schemas

http://www5.umweltbundesamt.at/ALTERNet/index.php?title=Ont:ALTER-Net_Ontology - social field ontologies

http://typewriter.freebaseapps.com/ cc typed information

Ideal systems

Scala Lift ?