. Harry,

P. Mrs and . Dursley, Harry's aunt (8 edges: Dursley Vernon, Dudley, Harry, Boa Constrictor, Toothless old man, Zoo director, Owner of the hotel, Hagrid

O. Voldemort and . You-know-who,

A. Dumbledore, ;. Mcgonagall, . Hagrid, . Harry, . Dursleys et al., Headmaster of Hogwarts, vol.12

D. Dumbledore, . Vernon, . Hagrid, L. Voldermort, J. Potter et al.,

. Hagrid, . Mcgonagall, . Dumbledore, L. Harry, J. Potter et al., , vol.25

C. Dudley, edges: Dursleys, Harry, Piers Polkiss, Boa Contrictor, Owner of the hotel, Toothelss old man, issue.7

D. Dursleys, P. Harry, and . Polkiss,

D. Diggle, Hagrid

, Professor Quirrell (6 edges: Harry

M. Pomfrey,

D. Diggle, Hagrid, issue.3

. Griphook, Dumbledore

H. Hedwig, . Harry, . Hagrid, R. Hermione, and C. Weasley, Dumbledore, issue.6

, Madam Malkin (3 edges: Harry, Hagrid, Malfoy)

D. Malfoy, ;. Harry, R. Crabbe, . Goyle, H. Neville et al., edges: Madam Malkin

. Crabbe,

. Goyle,

W. Mom,

G. Weasley,

F. , G. Weasley, ;. Harry, and L. Jordan,

P. Weasley, ;. Ron, . Harry, . Dumbledore, . Hermione et al.,

R. Weasley, ;. Harry, . Neville, . Percy, N. Scabbers et al., Nearly Headless Nick, Snape, Peeves, Portrait of Fat Lady at Griffindor, Fang, Filch & Mrs Norris, Madam Hooch, Flitwick, Finnigan Seamus, Parvati Patil, the troll, vol.29

C. Weasley, Hedwig, issue.6

. Scabbers,

N. Longbottom, ;. Harry, R. , P. Weasley, S. Hermione et al., Madam Pomfrey, Filch & Mrs. Norris, issue.11

N. Flamel,

H. Granger, ;. Harry, R. Malfoy, . Hagrid, S. Mcgonagall et al., Parvati Patil, the troll, Fluffy, Nicolas Flamel, Madam Pince, vol.22

. Peeves,

H. Mcgonagall, B. Abbott, B. Susan, B. Terry, B. Mandy et al.,

T. Dean,

S. Finnigan, edges: McGonagall, Sorting Hat

P. Snape, ;. Harry, P. Dumbledore, . Weasley, . Neville et al.,

A. Filch and M. Norris,

. Flitwick and . Professor,

. Fang, Hagrid's dog (5 edges: Hagrid

M. Hooch, ;. Ron, . Harry, . Hermione, . Neville et al.,

P. Patil, edges: Harry, Madam Hooch

O. Wood, ;. Harry, C. Mcgonagall, and . Weasley,

L. Jordan, ;. Hagrid, R. Harry, . Hermione, C. Malfoy et al., Hedwig

M. Pince and . Librarian, Nicolas Flamel, vol.3

. Ronan,

. Bane,

. Firenze, . Harry, . Voldemort, . Ronan, and H. Bane, Hagrid); and other nodes having degree 2 and 1

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F. Moretti, Network theory, 2011.

J. Stiller, D. Nettle, and R. I. Dunbar, The small world of Shakespeare's plays, Human Nature, vol.14, issue.4, pp.397-408, 2003.

R. Alberich, J. Miro-julia, and F. Rossello, Marvel Universe looks almost like a real social network

J. Onnela, J. Saramaki, J. Hyvonen, G. Szabo, D. Lazer et al., Structure and tie strengths in mobile communication networks, Proceedings of the National Academy of Sciences, vol.104, issue.18, pp.7332-7336, 2007.

D. J. Watts, Small Worlds, 1999.

D. J. Watts and S. H. Strogatz, Collective dynamics of "smallworld" networks, Nature, vol.393, pp.440-442, 1998.

L. A. Amaral, A. Scala, M. Barthelemy, and H. E. Stanley, Classes of small-world networks, Proceedings of the National Academy of Sciences U.S.A, vol.97, pp.11149-11152, 2000.

A. Barabasi and R. Albert, Emergence of scaling in random networks, vol.286, pp.509-512, 1999.

W. Degottardi, The Statistical Mechanics of Scale-Free Networks, 2007.

A. Barabasi, Scale-Free Networks, Scientific American, vol.288, pp.60-69, 2003.

J. Kunegis, Network Science