SI 614 Networks: Theory and Application


SI 614 home

All readings, assignments, etc. will be posted to the course ctools website


problem sets

student projects

software tools for the class

other software tools

related courses


Winter 2006:

Lectures will be
Mondays and Wednesdays
from 5:30 to 7:00 pm.
in 409 West Hall

Office hours:
Tuesday 5-6 pm and
Friday 11 am - 12 pm
in 3082 West Hall

SI 614 reading guide


There are two primary readings:

The structure and function of complex networks, M. E. J. Newman, SIAM Review 45, 167-256 (2003). (here refered to as MEJN)

Exploratory Social Network Analysis with Pajek by Wouter de Nooy, Andrej Mrvar and Vladimir Batagelj  (here referred to as Pajek)




basic network metrics,
intro to Pajek
Pajek Ch1: Looking for social structure
network visualization
data sampling methods

Pajek CH2: Attributes and Relations

Linton Freeman, 'Visualizing Social Networks', JOSS

optional Rowland Atkinson and John Flint, 'Accessing Hidden and Hard-to-Reach Populations: Snowball Research Strategies'


Cormen, 'Algorithms': Elementary graph algorithms

optional: Ch 3 of Kleinberg and Tardos, 'Algorithm Design'

Milgram's small world experiment
Watts-Strogatz small world model

Watts & Strogatz, 'Collective Dynamics of Small World Networks', Nature, 1998

MEJN-SF 6: The Small World Model

Travers and Milgram, 'An experimental study of the small world problem'

Zipf's Law & fat tails, plotting & fitting distributions

L. Adamic, Zipf, Power-laws, and Pareto - a ranking tutorial

Power laws, Pareto distributions and Zipf's law, M. E. J. Newman, Contemporary Physics 46, 323-351 (2005).

random graphs
preferential attachment

Barabasi and Albert, 'Emergence of scaling in random networks'

MEJN IV: Random Graphs

MEJN VII: Models of network growth

Optional: Topology of evolving networks: local events and universality, Reka Albert, Albert-Laszlo Barabasi, Phys. Rev. Lett. 85, 5234-5237 (2000) (used in Pajek)

Optional: Winners don't take all: Characterizing the
competition for links on the web
David M. Pennock, Gary W. Flake, Steve Lawrence, Eric J. Glover, and C. Lee Giles, PNAS, April 16, 2002, vol. 99, no. 8

centrality, betweenness
strength of weak ties

Mark Granovetter, The Strength of Weak Ties, The American Journal of Sociology, Vol. 78, No. 6 (May, 1973), 1360-1380.

Pajek Ch. 6: Center and Periphery

optional: Wayne E. Baker and Robert R. Faulkner, The Social Organization of Conspiracy: Illegal Networks in the Heavy Electrical Equipment Industry, American Sociological Review, Vol. 58, No. 6 (Dec, 1993)

optional: Noah E. Friedkin, 'Structural Bases of Interpersonal Influence in Groups: A Longitudinal Case Study, American Sociological Review, Vol. 58, No. 6 (Dec, 1993)

optional M. E. J. Newman, Who is the Best Connected Scientist? A Study of Scientific Coauthorship Networks.

exploratory analysis of online communities

S. Feld. Social structural determinants of similarity among associates. American Sociological Review, 47, 1982.

optional: L. A. Adamic and E. Adar. Friends and neighbors on the web. Social Networks, 25(3):211{230, 2003.

optional: L. A. Adamic, O. Buyukkokten, and E. Adar. A social network caught in the web. First Monday, 8(6), June 2003.

optional: L. A. Adamic and N. Glance. The political blogosphere and the 2004 US election: Divided they blog. In Proceedings of LinkKDD-2005, 2005.

network analysis with GUESS

Eytan Adar, GUESS: A Language and Interface for Graph Exploration, CHI 2006

GUESS documentation

structural similarity

E. Alm and A. P. Arkin. Biological networks. Curr Opin
Struct Biol, 13(2):193{202, April 2003.

R. Milo, S. Itzkovitz, N. Kashtan, R. Levitt, S. Shen-Orr, I. Ayzenshtat, M. Sheffer, and U. Alon. Superfamilies of evolved and designed networks. Science, 303(5663):1538{1542, March 2004.

R. Milo, S. Shen-Orr, S. Itzkovitz, N. Kashtan, D. Chklovskii, and U. Alon. Network Motifs: Simple Building Blocks of Complex Networks. Science, 298(5594):824{827, 2002.

optional E. Ravasz, A. L. Somera, D. A. Mongru, Z. N. Oltvai, and A. L. Barabasi. Hierarchical organization of modularity in metabolic networks. Science, 297(5586):1551{1555, August 2002.

directed & weighted networks
minimum spanning trees, flow

Pajek Ch9: prestige

Broder et al, Graph Structure in the Web, 9th WWW conference, Amsterdam, May 2000.

optional Wasserman & Faust Ch5: Centrality and prestige

networks over time

G. Kossinets and D. J. Watts. Empirical analysis of an evolv-
ing social network
. Science, 311(5757):88-90, January 2006.

J. Leskovec, J. Kleinberg, and C. Faloutsos. Graphs over time: densification laws, shrinking diameters and possible explanations. In KDD '05: Proceeding of the eleventh ACM SIGKDD, pages 177-187, New York, NY, USA, 2005. ACM Press.

---- break ----
ranking algorithms and information retrieval

L. Page, S. Brin, R. Motwani, and T. Winograd. The pagerank citation ranking: Bringing order to the web. Technical report, Stanford Digital Library Technologies Project, 1998.  

G. Erkan and D. R. Radev. Lexrank: Graph-based lexical centrality as salience in text summarization. Journal of Artificial Intelligence .

J. M. Kleinberg. Authoritative sources in a hyperlinked environment. Journal of the ACM, 46(5):604-632, 1999.

search in structured networks

J. M. Kleinberg. Navigation in a small world. Nature, 406:845, 2000.

D. J. Watts, P. S. Dodds, and M. E. J. Newman. Identity and search in social networks. Science, 296:1302-1305, 2002.

MEJN VIII.C Search in networks

optional: J. Kleinberg. Small-world phenomena and the dynamics of information.Advances in Neural Information Processing Systems (NIPS), 14, 2001.

optional: L. A. Adamic and E. Adar. How to search a social network. Social Networks, 27(3):187-203, 2005.

search in unstructured networks Adamic et al. 'Search in power law networks', Phys. Rev. E 64, 046135 (2001)
community structure

Pajek Ch3: cohesive subgroups

Pajek Ch5: affiliations

Pajek Ch7: brokers and bridges

Guimera et al. Team Assembly Mechanisms Determine Collaboration Network Structure and Team Performance, Science 29 April 2005: Vol. 308. no. 5722, pp. 697 - 702

clustering algorithms

Mark Newman: Modularity and community structure in networks

Pajek Ch. 12: blockmodels

patent networks Gavin Clarkson: Patent Informatics for Patent Thicket Detection
network construction, robustness, p* models

Error and attack tolerance of complex networks
Reka Albert , Hawoong Jeong & Albert-Laszlo Barabasi
Nature 406, 378 - 382 (27 July 2000)

optional: Small and Other Worlds: Global Network Structures from Local Processes
Garry Robins; Philippa Pattison; Jodie Woolcock
The American Journal of Sociology; Jan 2005; 110, 4

optional: Modeling cascading failures in the North American power grid R. Kinney, P. Crucitti, R. Albert, and V. Latora
Eur. Phys. J. B 46, 101107 (2005)

mathematics of networks Mathematics of networks, M. E. J. Newman, in The New Palgrave Encyclopedia of Economics, 2nd edition, L. E. Blume and S. N. Durlauf (eds.), Palgrave Macmillan
epidemics in networks optional: Vittoria Colizza, Alain Barrat, Marc Barthélemy, and Alessandro Vespignani. The role of the airline transportation network in the prediction and predictability of global epidemics. PNAS | February 14, 2006 | vol. 103 | no. 7 | 2015-2020
information diffusion Davis, Gerald F., Yoo, Mina, Baker, Wayne E.
The Small World of the American Corporate Elite, 1982-2001 Strategic Organization 2003 1: 301-326

optional: Christopher Marquis and Gerald F. Davis, “Golfing alone? Elite cohesion and community social capital, 1986-1998.”
online communities David Liben-Nowell, Jasmine Novak, Ravi Kumar, Prabhakar Raghavan and Andrew Tomkins. Geographic routing in social networks, PNAS | August 16, 2005 | vol. 102 | no. 33 | 11623-11628