<s>
Dragomir	B-Architecture
R	I-Architecture
.	I-Architecture
Radev	I-Architecture
(	O
August	O
7	O
,	O
1968	O
–	O
March	O
29	O
,	O
2023	O
)	O
was	O
an	O
American	O
computer	O
scientist	O
who	O
was	O
a	O
professor	O
at	O
Yale	O
University	O
,	O
working	O
on	O
natural	B-Language
language	I-Language
processing	I-Language
and	O
information	B-Library
retrieval	I-Library
.	O
</s>
<s>
He	O
also	O
served	O
as	O
a	O
University	O
of	O
Michigan	O
computer	B-General_Concept
science	I-General_Concept
professor	O
and	O
Columbia	O
University	O
computer	B-General_Concept
science	I-General_Concept
adjunct	O
professor	O
,	O
as	O
well	O
as	O
a	O
Member	O
of	O
the	O
Advisory	O
Board	O
of	O
Lawyaw	O
.	O
</s>
<s>
Radev	O
worked	O
in	O
the	O
fields	O
of	O
open	B-Algorithm
domain	I-Algorithm
question	B-Algorithm
answering	I-Algorithm
,	O
multi-document	B-General_Concept
summarization	I-General_Concept
,	O
and	O
the	O
application	O
of	O
NLP	B-Language
in	O
Bioinformatics	O
,	O
Social	O
Network	O
Analysis	O
and	O
Political	O
Science	O
.	O
</s>
<s>
Radev	O
received	O
his	O
PhD	O
in	O
Computer	B-General_Concept
Science	I-General_Concept
from	O
Columbia	O
University	O
in	O
1999	O
.	O
</s>
<s>
In	O
2015	O
,	O
he	O
was	O
named	O
a	O
fellow	O
of	O
the	O
Association	O
for	O
Computing	O
Machinery	O
"	O
for	O
contributions	O
to	O
natural	B-Language
language	I-Language
processing	I-Language
and	O
computational	O
linguistics.	O
"	O
</s>
<s>
In	O
2022	O
,	O
Dragomir	B-Architecture
Radev	I-Architecture
received	O
the	O
2022	O
ACL	O
Distinguished	O
Service	O
Award	O
.	O
</s>
