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Overview
The Knowledge Repository (KR)
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project
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will
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produce
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software
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components
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(tooling
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and
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services)
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that
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are
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part
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of
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the
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caBIG
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Semantic
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Infrastructure
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version
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2
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(SI
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v2).
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The
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role
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of
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KR
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components
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will
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be
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to
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address
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the
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(recently)
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expanded
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NCI
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stakeholder
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community's
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needs
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for
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defining
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and
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sharing
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static
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semantics.
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The
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Cancer
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Data
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Standards
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Repository
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(caDSR)
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has,
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since
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the
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inception
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of
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the
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caBIG
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program,
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been
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responsible
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for
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addressing
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static
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semantic
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needs.
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The
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KR
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project
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will
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therefore,
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subsume
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the
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responsibilities
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of
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the
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caDSR
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and
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address
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the
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additional
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needs
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of
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the
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expanded
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stakeholder
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community.
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The
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scale
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of
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caBIG's
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mission
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has
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expanded
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in
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both
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size
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(from
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national
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to
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international)
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and
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scope
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(including
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BIG
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Health,
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beyond
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NCI
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cancer
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centers).
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In
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order
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to
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address
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the
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expanded
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size
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of
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the
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community,
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the
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architecture
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of
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KR
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service
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components
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will
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support
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collaboration
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and
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sharing
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of
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metadata
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among
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distributed,
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federated
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repositories
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through
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a
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set
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of
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service
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interfaces
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that
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are
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specified
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according
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to
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the
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Services-Aware
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Interoperability
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Framework
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(SAIF).
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In
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order
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to
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address
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the
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expanded
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scope
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of
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caBIG's
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mission,
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these
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services
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will
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support
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expression
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of
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additional
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contextual
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semantics
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by
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focusing
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on
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high-level
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information
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models,
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such
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as
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Domain
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Analysis
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Models
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(DAMs),
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for
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example
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BRIDG.
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This
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additional
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context
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supports
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the
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capturing
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of
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semantics
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that
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goes
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beyond
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what
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has
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been
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captured
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in
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caDSR
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to
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date.
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Current
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Status
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This
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project
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is
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currently
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(2010)
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working
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to
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defining
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the
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road
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map
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for
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transitioning
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from
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the
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current
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semantic
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infrastructure
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to
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the
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SI
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v2.
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The
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inputs
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to
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our
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work
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include
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the
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analysis
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of
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the
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Semantic
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Infrastructure
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Requirements
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Elicitation
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effort
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and
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the
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static
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semantic
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needs
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of
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projects/groups
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such
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as
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caEHR,
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CDISC
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SHARE,
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HL7
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CIC,
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and
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others.
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