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Health Informatics Glossary
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OASIS -
The Organization for the Advancement of
Structured Information Standards is a global consortium that drives the
development, convergence and adoption of e-business and web service standards.
Like many bodies producing open standards, OASIS has a patent disclosure
policy requiring participants to disclose intent to apply for software patents
for technologies under consideration in the standard. However, this policy does
not fully protect the public from exploitation of the open process for the
preemptive development of a "standard" which confers a monopoly license
position. See
FOSS,
UDDI
OBR -
Observation request segment of an HL7 message.
OBX -
Observation result segment of an HL7 message.
OCPRHIO -
Orange County Partnership Regional Health
Information Organization, awarded an HIE Expansion Grant in 2011 by Cal
eConnect. See
Cal eConnect
OCR -
[1] Office for Civil Rights
at HHS. [2] Optical Character Recognition
OHT -
Open Health Tools.
See
OpenEMPI,
SBCCDE
OID -
Object Identifiers (OIDs) consist of a
node in a hierarchically-assigned namespace, formally defined using the
ASN.1
X.690 standard. In computer security, OIDs name object types in X.509
certificates. See
X.509
OIG -
Office of the Inspector General at HHS.
See
HHS
OMB -
Office of Management and Budget
at the White House.
See
CBO,
GAO
Top of Page
OMG -
[1] Object Management Group,
a professional standards development organization (SDO) formed to develop
enterprise integration standards. [2] TXT for Oh My Gosh!
See
HSSP,
SDO,
TXT
Onboarding -
A formal business process with specific validation and testing activities that
an applicant must pass in order to become a participant in the eHealth Exchange
(formerly known as the Nationwide Health Information Network).
See
Healtheway,
NwHIN,
ONC
ONC -
("onk" or "oh-enn-sea")
Office of the National Coordinator for
Health Information Technology at the U.S. Department
of Health and Human Services.
See
HHS,
NwHIN,
Onboarding,
S&I,
SHARP
ONCHIT -
See
ONC
Ontology -
In computer and information science an ontology is a formal representation of
knowledge created by establishing precise definitions of concepts within a
specific domain, and by organizing the relationships between the concepts.
See
Concept,
Semantics,
Taxonomy,
Terminology
OODA -
("OOO-dah") Observe Orient Decide Act, generally referred
to as the OODA loop. The OODA loop originated in military strategy
(specifically USAF fighter pilot strategy) but is now both a strategic and
tactical operations algorithm routinely applied to many domains, such as
competitive sports and business operations.
See
USAF
OpenEHR -
("open-air") International not-for-profit
Foundation based in Australia and Europe
working towards interoperable, life-long electronic health records.
Top of Page
OpenEMed -
An open source software toolkit,
OpenEMed is a set of healthcare information service components built around
the OMG distributed object specifications and HL7 data standards.
See
HL7,
OMG
OpenEMPI -
An open source Master Person Index software project. The 1.0 version of
Open eMPI was donated in 2008 by CHCF
to OHT. OpenEMPI is an active software project as the
Client
Registry service in the OpenHIE
system architecture. In 2014
OpenEMPI expects to release version 3.0 of the software.
See
CHCF,
Client Registry,
MPI,
OHT,
OpenHIE
OpenHIE -
Open Health Information Exchange (OpenHIE) is
a global, open-source collaboration focused on strengthening national health
information exchanges for underserved countries. OpenHIE emerged from the
HIPPP initiative funded by PEPFAR. The partnership was started to support
development of the Rwanda Health Enterprise Architecture (RHEA) Project. Many
contributors to OpenHIE are also original volunteers and contributors to OpenMRS.
See
HIPPP,
Informatics,
OpenEMPI,
OpenMRS,
Open Source,
PEPFAR,
RHEA
OpenMRS -
Open Medical Records System, an open source
enterprise electronic medical record system platform based around a core
concept dictionary. Initiated by Regenstrief
Institute for a project in Kenya.
See
Concept,
OpenHIE,
Regenstrief
Open Source -
[1] In production and development open source is a pragmatic
methodology that promotes free access to an end product's development process.
[2] In software licensing, open source refers to software
published under a license
that generally allows anyone to make a new version of the software, port it to
new operating systems and processor architectures, share it with others or
market it. The general aim of the open source license is to let the code be more
understandable, modifiable, duplicatable, or simply accessible, while still
allowing it to be marketable.
See
FOSS,
GPL,
License,
OSI,
Red Hat,
Source Code
OpenVistA -
A proprietary VistA-RPMS hybrid enterprise EHR marketed by
Medsphere.
See
CPRS,
RPMS,
VistA,
WorldVistA
ORM -
Clinical order segment of an HL7 message.
ORU -
Observation result segment of an HL7 message.
OS -
Operating System for a computing device.
OSHA -
Occupational Safety and Health Administration.
OSHPD -
California Office of Statewide Health
Planning and Development.
Top of Page
OSI -
[1] The Open Source Initiative
(OSI) is a non-profit organization formed to educate about and advocate for the
benefits of open source and to build bridges among different constituencies in
the open source community. [2] Open System Interconnection (OSI)
specifications provides the OSI reference model of a seven layer protocol suite
for internet traffic. See
FOSS,
Open Source,
OSI Model
OSI Model -
The OSI
seven layer reference model is a protocol suite for the Internet. The OSI
specifications were conceived and implemented by two international
standards organizations: ISO and ITU. See
Internet,
ISO,
ITU,
Packet,
Protocol,
OSI
OSS -
Operational Support System, used in the telecom sector to describe the internal
service provisioning operations of an enterprise telecom network. OSS refers
to internal network assets as well as design, construction and maintenance
activities for the network.
See
BSS,
Telecom
Outpatient -
A patient who receives health care in an clinic, hospital or similar setting
but the care does not involve an overnight stay.
See
Ambulatory Care,
Inpatient,
Patient
Overfitting -
In statistical regression analysis
overfitting
yields overly optimistic model results by "fitting" idiosyncratic
characteristics of the sample at hand. "Findings" appear in an overfitted model
at a rate that does not match a random population sample and hence will not
replicate.
OWL -
Web ontology language, referring to a family of knowledge representation
languages for authoring ontologies endorsed by W3C. Characterised by formal
semantics, OWL has attracted academic, medical and commercial interest.
See
Metadata,
Ontology,
RDF,
Semantics,
W3C
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