<s>
An	O
applicant	B-Application
tracking	I-Application
system	I-Application
(	O
ATS	O
)	O
is	O
a	O
software	B-Application
application	I-Application
that	O
enables	O
the	O
electronic	O
handling	O
of	O
recruitment	O
and	O
hiring	O
needs	O
.	O
</s>
<s>
An	O
ATS	O
can	O
be	O
implemented	O
or	O
accessed	O
online	O
at	O
enterprise	O
-	O
or	O
small-business	O
levels	O
,	O
depending	O
on	O
the	O
needs	O
of	O
the	O
organization	O
;	O
free	O
and	O
open-source	B-Application
ATS	O
software	O
is	O
also	O
available	O
.	O
</s>
<s>
This	O
has	O
caused	O
many	O
to	O
adapt	O
resume	B-Application
optimization	I-Application
techniques	O
similar	O
to	O
those	O
used	O
in	O
search	O
engine	O
optimization	O
when	O
creating	O
and	O
formatting	O
their	O
résumé	O
.	O
</s>
<s>
The	O
ATS	O
is	O
expanding	O
into	O
small	O
and	O
medium	O
enterprises	O
through	O
open-source	B-Application
or	O
software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
offerings	O
(	O
SaaS	B-Architecture
)	O
.	O
</s>
<s>
Most	O
job	O
and	O
resume	O
boards	O
(	O
Reed	O
Online	O
,	O
LinkedIn.com,	O
Monster.com,	O
Hotjobs	B-Application
,	O
CareerBuilder	O
,	O
Indeed.com	B-Application
)	O
have	O
partnerships	O
with	O
ATS	O
software	O
providers	O
to	O
provide	O
parsing	O
support	O
and	O
easy	O
data	B-General_Concept
migration	I-General_Concept
from	O
one	O
system	O
to	O
another	O
.	O
</s>
<s>
Newer	O
applicant	B-Application
tracking	I-Application
systems	I-Application
(	O
often	O
the	O
epithet	O
is	O
next-generation	O
)	O
are	O
platforms	O
as	O
a	O
service	O
,	O
where	O
the	O
main	O
piece	O
of	O
software	O
has	O
integration	O
points	O
that	O
allow	O
providers	O
of	O
other	O
recruiting	O
technology	O
to	O
plug	O
in	O
seamlessly	O
.	O
</s>
<s>
This	O
ability	O
is	O
being	O
referred	O
to	O
as	O
omnichannel	B-Application
talent	O
acquisition	O
.	O
</s>
<s>
Recent	O
changes	O
include	O
use	O
of	O
artificial	B-Application
intelligence	I-Application
(	O
AI	B-Application
)	O
tools	O
and	O
natural	B-Language
language	I-Language
processing	I-Language
to	O
facilitate	O
guided	O
semantic	O
search	O
capabilities	O
offered	O
through	O
cloud-based	O
platforms	O
that	O
allow	O
companies	O
to	O
score	O
and	O
sort	O
resumes	O
with	O
better	O
alignment	O
to	O
the	O
job	O
requirements	O
and	O
descriptions	O
.	O
</s>
<s>
With	O
the	O
advent	O
of	O
ATS	O
,	O
resume	B-Application
optimization	I-Application
techniques	O
and	O
online	O
tools	O
are	O
often	O
used	O
by	O
applicants	O
to	O
increase	O
their	O
chances	O
of	O
landing	O
an	O
interview	O
call	O
.	O
</s>
