<s>
Tech	O
mining	O
or	O
technology	B-General_Concept
mining	I-General_Concept
refers	O
to	O
applying	O
text	B-Algorithm
mining	I-Algorithm
methods	O
to	O
technical	O
documents	O
.	O
</s>
<s>
Porter	O
,	O
as	O
one	O
of	O
the	O
pioneers	O
in	O
technology	B-General_Concept
mining	I-General_Concept
,	O
defined	O
‘	O
tech	O
mining’	O
in	O
his	O
book	O
as	O
follows	O
:	O
“	O
the	O
application	O
of	O
text	B-Algorithm
mining	I-Algorithm
tools	O
to	O
science	O
and	O
technology	O
information	O
,	O
informed	O
by	O
understanding	O
of	O
technological	O
innovation	O
processes.	O
”	O
Therefore	O
,	O
tech	O
mining	O
has	O
two	O
significant	O
characteristics	O
:	O
1	O
)	O
using	O
‘	O
text	B-Algorithm
mining	I-Algorithm
tools’	O
,	O
2	O
)	O
applying	O
these	O
tools	O
to	O
‘	O
technology	O
management’	O
.	O
</s>
<s>
Also	O
,	O
technology	B-General_Concept
mining	I-General_Concept
can	O
be	O
considered	O
as	O
one	O
of	O
technology	O
intelligence	O
branches	O
.	O
</s>
<s>
Technology	B-General_Concept
mining	I-General_Concept
have	O
many	O
applications	O
including	O
R&D	O
portfolio	O
selection	O
,	O
R&D	O
project	O
initiation	O
,	O
new	O
product	O
development	O
,	O
strategic	O
technology	O
planning	O
,	O
technology	O
roadmapping	O
,	O
etc	O
.	O
</s>
<s>
The	O
number	O
of	O
published	O
papers	O
and	O
the	O
number	O
of	O
citations	O
in	O
technology	B-General_Concept
mining	I-General_Concept
area	O
illustrates	O
a	O
hyperbolically	O
progress	O
;	O
there	O
is	O
a	O
jump	O
in	O
the	O
number	O
of	O
publications	O
after	O
2005	O
and	O
a	O
huge	O
rise	O
in	O
the	O
number	O
of	O
citations	O
after	O
2012	O
.	O
</s>
