Midterm2010_solution

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Unformatted text preview: s
each].
 
 Question
4)
 Two
such
structural
properties
that
frequently
occur
simultaneously
but
appear
to
be
in
 tension
are
small
vertex
degrees
and
low
diameter.
The
Erdos‐Renyi
model
can
generate
 networks
with
these
two
properties
for
a
range
of
its
parameter
p.
 
 
 Grading
policy:
 i. Suggesting
two
properties
that
are
not
“in
tension”
with
each
other,
or
suggesting
 improper
properties
(such
as
non
structural
ones)
[up
to
‐5
points].
 ii. Providing
a
model
that
cannot
explain
for
the
two
properties
proposed
[up
to
‐5
points].
 iii. Partial
/
insufficient
description
of
model
[up
to
‐5
points].
 
 Question
5)
 1. PageRank
is
the
most
famous
“signal”
used
by
the
Google
search
engine.
PageRank
 measures
the
“importance”
of
a...
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This document was uploaded on 01/24/2014.

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