<s>
In	O
the	O
fields	O
of	O
computational	O
linguistics	O
and	O
applied	O
linguistics	O
,	O
a	O
morphological	B-General_Concept
dictionary	I-General_Concept
is	O
a	O
linguistic	O
resource	O
that	O
contains	O
correspondences	O
between	O
surface	O
form	O
and	O
lexical	O
forms	O
of	O
words	O
.	O
</s>
<s>
There	O
are	O
two	O
kinds	O
of	O
morphological	B-General_Concept
dictionaries	I-General_Concept
:	O
morpheme-aligned	O
dictionaries	O
and	O
full-form	O
(	O
non-aligned	O
)	O
dictionaries	O
.	O
</s>
<s>
Columns	O
are	O
BASE	O
,	O
DERIVED	O
,	O
RULE	O
)	O
At	O
the	O
time	O
of	O
writing	O
(	O
2021	O
)	O
,	O
all	O
of	O
these	O
are	O
non-aligned	O
morphological	B-General_Concept
dictionaries	I-General_Concept
(	O
see	O
below	O
)	O
.	O
</s>
<s>
Finite	B-Architecture
State	I-Architecture
Transducers	I-Architecture
(	O
FSTs	O
)	O
are	O
a	O
popular	O
technique	O
for	O
the	O
computational	O
handling	O
of	O
morphology	O
,	O
esp.	O
,	O
inflectional	O
morphology	O
.	O
</s>
<s>
They	O
thus	O
require	O
morphological	B-General_Concept
dictionaries	I-General_Concept
with	O
specific	O
processing	O
instructions	O
(	O
which	O
often	O
have	O
a	O
linguistic	O
interpretation	O
,	O
but	O
,	O
technically	O
,	O
are	O
just	O
treated	O
like	O
arbitrary	O
string	O
symbols	O
)	O
.	O
</s>
<s>
These	O
are	O
thus	O
aligned	O
morphological	B-General_Concept
dictionaries	I-General_Concept
,	O
but	O
very	O
rich	O
(	O
and	O
also	O
,	O
idiosyncratic	O
)	O
in	O
structure	O
.	O
</s>
<s>
Toolbox	O
and	O
FLEx	O
support	O
semi-automated	O
annotation	O
by	O
means	O
of	O
an	O
internal	O
morphological	B-General_Concept
dictionary	I-General_Concept
.	O
</s>
<s>
FLEx	O
and	O
Toolbox	O
provide	O
different	O
editor	O
functionalities	O
for	O
annotating	O
text	O
and	O
editing	O
dictionaries	O
,	O
so	O
that	O
additional	O
information	O
beyond	O
that	O
found	O
in	O
annotations	O
can	O
be	O
added	O
,	O
but	O
at	O
its	O
core	O
,	O
their	O
formats	O
provide	O
aligned	O
morphological	B-General_Concept
dictionaries	I-General_Concept
.	O
</s>
<s>
In	O
2019	O
,	O
the	O
OntoLex-Morph	O
module	O
has	O
been	O
proposed	O
to	O
facilitate	O
data	O
modelling	O
of	O
morphology	O
in	O
lexicography	O
,	O
as	O
well	O
as	O
to	O
provide	O
a	O
data	O
model	O
for	O
morphological	B-General_Concept
dictionaries	I-General_Concept
for	O
Natural	O
Language	O
Processing	O
.	O
</s>
<s>
OntoLex-Morph	O
does	O
support	O
both	O
aligned	O
and	O
non-aligned	O
morphological	B-General_Concept
dictionaries	I-General_Concept
.	O
</s>
<s>
A	O
specific	O
goal	O
is	O
to	O
establish	O
interoperability	O
between	O
and	O
among	O
IGT	O
dictionaries	O
,	O
FST	O
lexicons	O
and	O
morphological	B-General_Concept
dictionaries	I-General_Concept
used	O
for	O
machine	O
learning	O
.	O
</s>
<s>
In	O
an	O
aligned	O
morphological	B-General_Concept
dictionary	I-General_Concept
,	O
the	O
correspondence	O
between	O
the	O
surface	O
form	O
and	O
the	O
lexical	O
form	O
of	O
a	O
word	O
is	O
aligned	O
at	O
the	O
character	O
level	O
,	O
for	O
example	O
:	O
</s>
<s>
Formally	O
,	O
if	O
Σ	O
is	O
the	O
alphabet	O
of	O
the	O
input	O
symbols	O
,	O
and	O
is	O
the	O
alphabet	O
of	O
the	O
output	O
symbols	O
,	O
an	O
aligned	O
morphological	B-General_Concept
dictionary	I-General_Concept
is	O
a	O
subset	O
,	O
where	O
:	O
</s>
<s>
That	O
is	O
,	O
an	O
aligned	O
morphological	B-General_Concept
dictionary	I-General_Concept
is	O
a	O
set	O
of	O
string	O
in	O
.	O
</s>
<s>
A	O
non-aligned	O
morphological	B-General_Concept
dictionary	I-General_Concept
(	O
or	O
full-form	O
dictionary	O
)	O
is	O
simply	O
a	O
set	O
of	O
pairs	O
of	O
input	O
and	O
output	O
strings	O
.	O
</s>
<s>
A	O
non-aligned	O
morphological	B-General_Concept
dictionary	I-General_Concept
would	O
represent	O
the	O
previous	O
example	O
as	O
:	O
</s>
