Midterm2010_solution

Iii wrongorderoftippingproperties2pointseach iv

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Unformatted text preview: 
and
Kleinberg’s
model
by
interpreting
the
 dollar
bill
travel
distance
as
a
long‐distance
connection
between
acquaintances.

The
findings
 of
the
authors
of
“The
Scaling
Laws
of
Human
Travel”,
that
human
migration
patterns
follow
a
 power
law
with
exponent
1.6,
can
then
be
interpreted
as
an
instantiation
of
the
Kleinberg's
 
 
 
 model
with
parameter
alpha
of
1.6.
Under
this
interpretation
one
should
then
discuss
 whether
1.6
is
close
enough
to
2
to
get
an
efficient
navigation.
Any
argument
is
fine
as
long
it
 is
stated
clearly.
 Grading
policy:
 i. Ill
or
partial
description
of
each
question
part
[up
to
‐5
points
for
each].
 
 
 Question
3)
 a) Recall
that
in
the
Erdo...
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This document was uploaded on 01/24/2014.

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