<s>
He	O
is	O
known	O
for	O
his	O
work	O
in	O
discrete	O
mathematics	O
and	O
combinatorial	O
optimization	O
,	O
particularly	O
analysis	B-General_Concept
of	O
social	O
networks	O
and	O
other	O
large	O
networks	O
(	O
blockmodeling	O
)	O
.	O
</s>
<s>
His	O
book	O
Exploratory	O
Social	O
Network	O
Analysis	B-General_Concept
with	O
Pajek	B-Application
on	O
blockmodeling	O
,	O
coauthored	O
with	O
Wouter	O
de	O
Nooy	O
and	O
Andrej	O
Mrvar	O
,	O
is	O
Batagelj	O
's	O
most	O
cited	O
work	O
and	O
has	O
over	O
3300	O
citations	O
.	O
</s>
<s>
He	O
is	O
particularly	O
known	O
for	O
his	O
work	O
on	O
Pajek	B-Application
,	O
a	O
freely	O
available	O
software	O
for	O
analysis	B-General_Concept
and	O
visualization	O
of	O
large	O
networks	O
.	O
</s>
<s>
Batagelj	O
began	O
work	O
on	O
Pajek	B-Application
in	O
1996	O
with	O
Andrej	O
Mrvar	O
,	O
who	O
was	O
then	O
his	O
PhD	O
student	O
.	O
</s>
<s>
Batagelj	O
authored	O
more	O
than	O
20	O
textbooks	O
in	O
Slovenian	O
,	O
covering	O
topics	O
like	O
TeX	B-Application
,	O
combinatorics	O
and	O
discrete	O
mathematics	O
.	O
</s>
<s>
In	O
2013	O
,	O
Vladimir	O
Batagelj	O
and	O
Andrej	O
Mrvar	O
received	O
the	O
INSNA	O
's	O
William	O
D	O
.	O
Richards	O
Software	O
award	O
for	O
their	O
work	O
on	O
Pajek	B-Application
.	O
</s>
<s>
Vladimir	O
Batagelj	O
,	O
Social	O
Network	O
Analysis	B-General_Concept
,	O
Large-Scale	O
.	O
</s>
<s>
Wouter	O
de	O
Nooy	O
,	O
Andrej	O
Mrvar	O
,	O
Vladimir	O
Batagelj	O
,	O
Mark	O
Granovetter	O
(	O
Series	O
Editor	O
)	O
,	O
Exploratory	O
Social	O
Network	O
Analysis	B-General_Concept
with	O
Pajek	B-Application
(	O
Structural	O
Analysis	B-General_Concept
in	O
the	O
Social	O
Sciences	O
)	O
,	O
Cambridge	O
University	O
Press	O
2005	O
(	O
)	O
.	O
</s>
