<s>
Algorithm	B-Algorithm
engineering	I-Algorithm
focuses	O
on	O
the	O
design	O
,	O
analysis	O
,	O
implementation	O
,	O
optimization	O
,	O
profiling	O
and	O
experimental	O
evaluation	O
of	O
computer	O
algorithms	O
,	O
bridging	O
the	O
gap	O
between	O
algorithm	O
theory	O
and	O
practical	O
applications	O
of	O
algorithms	O
in	O
software	B-General_Concept
engineering	I-General_Concept
.	O
</s>
<s>
The	O
term	O
"	O
algorithm	B-Algorithm
engineering	I-Algorithm
"	O
was	O
first	O
used	O
with	O
specificity	O
in	O
1997	O
,	O
with	O
the	O
first	O
Workshop	O
on	O
Algorithm	B-Algorithm
Engineering	I-Algorithm
(	O
WAE97	O
)	O
,	O
organized	O
by	O
Giuseppe	O
F	O
.	O
Italiano	O
.	O
</s>
<s>
Algorithm	B-Algorithm
engineering	I-Algorithm
does	O
not	O
intend	O
to	O
replace	O
or	O
compete	O
with	O
algorithm	O
theory	O
,	O
but	O
tries	O
to	O
enrich	O
,	O
refine	O
and	O
reinforce	O
its	O
formal	O
approaches	O
with	O
experimental	B-General_Concept
algorithmics	I-General_Concept
(	O
also	O
called	O
empirical	B-General_Concept
algorithmics	I-General_Concept
)	O
.	O
</s>
<s>
Some	O
researchers	O
describe	O
algorithm	B-Algorithm
engineering	I-Algorithm
's	O
methodology	O
as	O
a	O
cycle	O
consisting	O
of	O
algorithm	O
design	O
,	O
analysis	O
,	O
implementation	O
and	O
experimental	O
evaluation	O
,	O
joined	O
by	O
further	O
aspects	O
like	O
machine	O
models	O
or	O
realistic	O
inputs	O
.	O
</s>
<s>
They	O
argue	O
that	O
equating	O
algorithm	B-Algorithm
engineering	I-Algorithm
with	O
experimental	B-General_Concept
algorithmics	I-General_Concept
is	O
too	O
limited	O
,	O
because	O
viewing	O
design	O
and	O
analysis	O
,	O
implementation	O
and	O
experimentation	O
as	O
separate	O
activities	O
ignores	O
the	O
crucial	O
feedback	O
loop	O
between	O
those	O
elements	O
of	O
algorithm	B-Algorithm
engineering	I-Algorithm
.	O
</s>
<s>
While	O
specific	O
applications	O
are	O
outside	O
the	O
methodology	O
of	O
algorithm	B-Algorithm
engineering	I-Algorithm
,	O
they	O
play	O
an	O
important	O
role	O
in	O
shaping	O
realistic	O
models	O
of	O
the	O
problem	O
and	O
the	O
underlying	O
machine	O
,	O
and	O
supply	O
real	O
inputs	O
and	O
other	O
design	O
parameters	O
for	O
experiments	O
.	O
</s>
<s>
Stable	O
,	O
well-tested	O
algorithm	O
libraries	O
like	O
LEDA	B-Library
play	O
an	O
important	O
role	O
in	O
technology	O
transfer	O
by	O
speeding	O
up	O
the	O
adoption	O
of	O
new	O
algorithms	O
in	O
applications	O
.	O
</s>
<s>
Two	O
main	O
conferences	O
on	O
Algorithm	B-Algorithm
Engineering	I-Algorithm
are	O
organized	O
annually	O
,	O
namely	O
:	O
</s>
<s>
SIAM	O
Meeting	O
on	O
Algorithm	B-Algorithm
Engineering	I-Algorithm
and	O
Experiments	O
(	O
ALENEX	O
)	O
,	O
established	O
in	O
1999	O
.	O
</s>
<s>
The	O
1997	O
Workshop	O
on	O
Algorithm	B-Algorithm
Engineering	I-Algorithm
(	O
WAE'97	O
)	O
was	O
held	O
in	O
Venice	O
(	O
Italy	O
)	O
on	O
September	O
11	O
–	O
13	O
,	O
1997	O
.	O
</s>
<s>
The	O
Third	O
International	O
Workshop	O
on	O
Algorithm	B-Algorithm
Engineering	I-Algorithm
(	O
WAE'99	O
)	O
was	O
held	O
in	O
London	O
,	O
UK	O
in	O
July	O
1999	O
.	O
</s>
<s>
The	O
first	O
Workshop	O
on	O
Algorithm	B-Algorithm
Engineering	I-Algorithm
and	O
Experimentation	O
(	O
ALENEX99	O
)	O
was	O
held	O
in	O
Baltimore	O
,	O
Maryland	O
on	O
January	O
15	O
–	O
16	O
,	O
1999	O
.	O
</s>
