Home

sourceI

SourceI is a label used in information systems and data analysis to denote an initial or primary data source within a larger process. It is not a standardized technology or specification; rather, it is a naming convention employed in diagrams, architecture documents, and pipelines to identify where data originates before processing or transformation begins.

In practice, the exact nature of sourceI depends on the system. It may refer to a database

Characteristics of sourceI are context-dependent and it is often accompanied by metadata describing schema, data quality,

Relationship to other terms: In multi-source designs, additional labels like sourceII, sourceA, or sourceB may be

See also: data provenance, data lineage, ETL, data pipeline, data source.

table,
a
sensor
feed,
a
file
in
a
data
lake,
or
a
live
API.
The
term
emphasizes
the
direction
of
data
flow
from
source
to
downstream
components
such
as
validators,
transformers,
storage
layers,
or
analytical
models.
The
label
helps
teams
discuss
and
document
data
provenance
without
committing
to
a
particular
implementation.
freshness,
and
provenance.
In
many
workflows,
sourceI
is
treated
as
the
immutable
origin
for
a
given
data
run
to
support
reproducibility
and
auditing.
It
can
be
updated
or
replaced
as
systems
evolve,
but
its
role
as
the
origin
remains
central
to
traceability.
used
to
distinguish
competing
or
parallel
inputs.
The
term
commonly
appears
in
documentation,
data-flow
diagrams,
and
code
comments
as
a
concise
reference
to
the
data’s
origin.