<s>
In	O
digital	O
lexicography	O
,	O
natural	B-Language
language	I-Language
processing	I-Language
,	O
and	O
digital	O
humanities	O
,	O
a	O
lexical	B-Application
resource	I-Application
is	O
a	O
language	B-General_Concept
resource	I-General_Concept
consisting	O
of	O
data	B-General_Concept
regarding	O
the	O
lexemes	O
of	O
the	O
lexicon	B-Application
of	O
one	O
or	O
more	O
languages	O
e.g.	O
,	O
in	O
the	O
form	O
of	O
a	O
database	O
.	O
</s>
<s>
Different	O
standards	O
for	O
the	O
machine-readable	O
edition	O
of	O
lexical	B-Application
resources	I-Application
exist	O
,	O
e.g.	O
,	O
Lexical	B-General_Concept
Markup	I-General_Concept
Framework	I-General_Concept
(	O
LMF	O
)	O
an	O
ISO	O
standard	O
for	O
encoding	O
lexical	B-Application
resources	I-Application
,	O
comprising	O
an	O
abstract	O
data	B-General_Concept
model	O
and	O
an	O
XML	B-Protocol
serialization	O
,	O
and	O
OntoLex-Lemon	O
,	O
an	O
RDF	O
vocabulary	O
for	O
publishing	O
lexical	B-Application
resources	I-Application
as	O
knowledge	B-Application
graphs	I-Application
on	O
the	O
web	O
,	O
e.g.	O
,	O
as	O
Linguistic	O
Linked	O
Open	O
Data	B-General_Concept
.	O
</s>
<s>
Depending	O
on	O
the	O
type	O
of	O
languages	O
that	O
are	O
addressed	O
,	O
a	O
lexical	B-Application
resource	I-Application
may	O
be	O
qualified	O
as	O
monolingual	O
,	O
bilingual	O
or	O
multilingual	O
.	O
</s>
<s>
For	O
bilingual	O
and	O
multilingual	O
lexical	B-Application
resources	I-Application
,	O
the	O
words	O
may	O
be	O
connected	O
or	O
not	O
connected	O
from	O
one	O
language	O
to	O
another	O
.	O
</s>
<s>
When	O
connected	O
,	O
the	O
equivalence	O
from	O
a	O
language	O
to	O
another	O
is	O
performed	O
through	O
a	O
bilingual	O
link	O
(	O
for	O
bilingual	O
lexical	B-Application
resources	I-Application
,	O
e.g.	O
,	O
using	O
the	O
relation	O
vartrans:translatableAs	O
in	O
OntoLex-Lemon	O
)	O
or	O
through	O
multilingual	O
notations	O
(	O
for	O
multilingual	O
lexical	B-Application
resources	I-Application
,	O
e.g.	O
,	O
by	O
reference	O
to	O
the	O
same	O
ontolex:Concept	O
in	O
OntoLex-Lemon	O
)	O
.	O
</s>
<s>
It	O
is	O
possible	O
also	O
to	O
build	O
and	O
manage	O
a	O
lexical	B-Application
resource	I-Application
consisting	O
of	O
different	O
lexicons	B-Application
of	O
the	O
same	O
language	O
,	O
for	O
instance	O
,	O
one	O
dictionary	B-Operating_System
for	O
general	O
words	O
and	O
one	O
or	O
several	O
dictionaries	B-Operating_System
for	O
different	O
specialized	O
domains	O
.	O
</s>
<s>
Lexical	B-Application
resources	I-Application
in	O
digital	O
lexicography	O
are	O
often	O
referred	O
to	O
as	O
machine-readable	O
dictionary	B-Operating_System
(	O
MRD	O
)	O
,	O
a	O
dictionary	B-Operating_System
stored	O
as	O
machine	O
(	O
computer	O
)	O
data	B-General_Concept
instead	O
of	O
being	O
printed	O
on	O
paper	O
.	O
</s>
<s>
It	O
is	O
an	O
electronic	B-Device
dictionary	I-Device
and	O
lexical	B-Application
database	O
.	O
</s>
<s>
The	O
term	O
MRD	O
is	O
often	O
contrasted	O
with	O
NLP	B-Language
dictionary	B-Operating_System
,	O
in	O
the	O
sense	O
that	O
an	O
MRD	O
is	O
the	O
electronic	O
form	O
of	O
a	O
dictionary	B-Operating_System
which	O
was	O
printed	O
before	O
on	O
paper	O
.	O
</s>
<s>
Although	O
being	O
both	O
used	O
by	O
programs	O
,	O
in	O
contrast	O
,	O
the	O
term	O
NLP	B-Language
dictionary	B-Operating_System
is	O
preferred	O
when	O
the	O
dictionary	B-Operating_System
was	O
built	O
from	O
scratch	O
with	O
NLP	B-Language
in	O
mind	O
.	O
</s>
<s>
A	O
lexical	B-Application
database	O
is	O
a	O
lexical	B-Application
resource	I-Application
which	O
has	O
an	O
associated	O
software	O
environment	O
database	O
which	O
permits	O
access	O
to	O
its	O
contents	O
.	O
</s>
<s>
The	O
database	O
may	O
be	O
custom-designed	O
for	O
the	O
lexical	B-Application
information	O
or	O
a	O
general-purpose	O
database	O
into	O
which	O
lexical	B-Application
information	O
has	O
been	O
entered	O
.	O
</s>
<s>
Information	O
typically	O
stored	O
in	O
a	O
lexical	B-Application
database	O
includes	O
spelling	O
,	O
lexical	B-Application
category	O
and	O
synonyms	B-Application
of	O
words	O
,	O
as	O
well	O
as	O
semantic	B-Application
and	O
phonological	O
relations	O
between	O
different	O
words	O
or	O
sets	O
of	O
words	O
.	O
</s>
