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Health Informatics Glossary

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X.500   -   A series of computer networking standards covering electronic directory services, formalized under ISO/IEC 9594.   See ISO, LDAP

X.509   -   In cryptography, X.509 is a certificate management protocol for a public key infrastructure (PKI). Defined in RFC 4210, X.509 specifies standard formats for public key certificates, certificate revocation lists and a certification path validation algorithm.   See CA, CP, OID, PKI, RFC

X12   -   X12 is a Standards Development Organization (SDO) for Electronic Data Interchange (EDI). Founded in 1979, and ANSI accredited, X12 has sponsored more than 315 EDI standards and a growing collection of XML schemas for health care, insurance, government, transportation, finance, and other industries.   See ANSI, EDI, SDO, XML

XDM   -   Cross Enterprise Document Media Capture (XDM) is a service in an IHE environment.   See IHE, XDR, XDS

XDR   -   Cross Enterprise Document Reliable Exchange (XDR) is a service in an IHE environment.   See IHE, XDM, XDS

XDS   -   Cross Enterprise Document Sharing (XDS) is a service in an IHE environment.   See IHE, XDM, XDR

Xerox PARC   -   See PARC

XML   -   eXtensible Markup Language (XML) is a general-purpose markup language adaptable to many different kinds of data. XML is used extensively to transfer health data between different and incompatible computer systems. Defined in RFC 3023.   See CCD, CCR, RFC, Schema, W3C

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XMPP   -   eXtensible Messaging and Presence Protocol (XMPP) is the IETF formalization of the base XML streaming protocols for instant messaging (IM) and presence developed within the Jabber community starting in 1999. XMPP specifications include VOIP and file transfer signaling. See RFC 6121. XMPP is now a native service in the 3.x branch of the CONNECT gateway.   See CONNECT, IETF, IM, RFC, VOIP





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Last Update:   1 August 2014