The Context-Aware Knowledge Retrieval (Infobutton) specifications provide a standard mechanism for clinical information systems to request context-specific clinical knowledge from online resources.
The Infobutton Project consists of three specifications that are available on the HL7 Web site:
The content below includes additional guidance that is not part of the official specification.
Hierarchical structure in knowledge response
According to the SOA-based Implementation Guide, the knowledge response payload is based on the IETF Atom Standard. Atom responses include a content feed and one or more content entries (e.g., multiple documents or document sections returned from a content resource).