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Publish Subscribe
joshsh edited this page Feb 22, 2011
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RDFAgents supports the publish-subscribe messaging pattern for RDF streams. Its "flavor" of pub-sub is comparable to PubSubHubbub (and thereby sparqlPuSH) and XMPP Publish-Subscribe, with some important differences:
- As it is based on FIPA's Subscribe interaction protocol, it is transport-agnostic. HTTP, XMPP, and other transport-level protocols are supported.
- It is tailored to RDF content.
- It is a content-based system, in which clients first describe they content they're interested in, then receive notifications of matching content.
TODO: subscription state diagram
TODO: Java API
TODO: code examples
"Nice to have" (i.e. not yet implemented) features:
- integration with sparqlPuSH and C-SPARQL