@incollection{seymour2009outer,
  author = {Phillips, Seymour},
  title = {The Outer World in the European Middle Ages},
  booktitle = {Medieval Ethnographies. European Perceptions of the World Beyond},
  year = {2009},
  volume = {9},
  pages = {1-41}
}

@article{leskovec2008planetary,
  author = {Leskovec, J. and Horvitz, E.},
  title = {Planetary-scale views on a large instant-messaging network},
  publisher = {ACM New York, NY, USA},
  year = {2008},
  url = {http://scholar.google.de/scholar.bib?q=info:dvYmn_qj6NQJ:scholar.google.com/&output=citation&hl=de&as_sdt=2000&ct=citation&cd=0}
}

@misc{RAISWELL,
  author = {Raiswell, Richard},
  title = {Lavezzo, Kathy, Angels on the Edge of the World: Geography, Literature and English Community, 1000-1534, Ithaca 2006},
  journal = {The Medieval Review },
  year = {2007},
  url = {https://scholarworks.iu.edu/dspace/handle/2022/6427}
}

@article{baresi2006toward,
  author = {Baresi, Luciano and Di Nitto, Elisabetta and Ghezzi, Carlo},
  title = {Toward Open-World Software: Issue and Challenges},
  journal = {Computer},
  publisher = {IEEE Computer Society Press},
  year = {2006},
  volume = {39},
  number = {10},
  pages = {36--43},
  url = {http://dx.doi.org/10.1109/MC.2006.362},
  doi = {http://dx.doi.org/10.1109/MC.2006.362}
}

@article{dallasta-2006-73,
  author = {Dall'Asta, Luca and Baronchelli, Andrea and Barrat, Alain and Loreto, Vittorio},
  title = {Agreement dynamics on small-world networks},
  journal = {Europhysics Letters},
  year = {2006},
  volume = {73},
  pages = {969},
  url = {doi:10.1209/epl/i2005-10481-7}
}

@incollection{reed2006alexander,
  author = {Kline, Naomi Reed},
  title = {Alexander interpreted on the Hereford Mappamundi},
  booktitle = {The Hereford World Map. Medieval World Maps and their Context},
  year = {2006},
  pages = {167-183}
}

@article{roth05generalized,
  author = {Roth, Camille},
  title = {Generalized Preferential Attachment: Towards Realistic Socio-Semantic Network Models},
  booktitle = {Proceedings of the 1st Workshop on Semantic Network Analysis at the ISWC 2005 Conference},
  year = {2005},
  pages = {29--42}
}

@mastersthesis{sandberg2005searching,
  author = {Sandberg, Oskar},
  title = {Searching in a small world},
  school = {Center for Mathematical Sciences, Göteborg University},
  year = {2005},
  url = {http://www.math.chalmers.se/~ossa/lic.pdf}
}

@article{uzzi95collaboration,
  author = {Uzzi, Brian and Spiro, Jarett},
  title = {Collaboration and Creativity: The Small World Problem},
  journal = {American Journal of Sociology},
  year = {2005},
  volume = {111},
  number = {2},
  pages = {447--504},
  url = {http://www.kellogg.northwestern.edu/faculty/uzzi/ftp/uzzi's_research_papers/uzzi&spiroajs_smallworlds.pdf}
}

@misc{citeulike:155,
  author = {Newman, M. E. J.},
  title = {The structure and function of complex networks},
  year = {2003},
  url = {http://arxiv.org/abs/cond-mat/0303516}
}

@inproceedings{zhang2002using,
  author = {Zhang, Hui and Goel, Ashish and Govindan, Ramesh},
  title = {Using the Small-World Model to Improve Freenet
                Performance},
  booktitle = {Proc.21st Annual Joint Conference of the IEEE},
  year = {2002}
}

@article{Cravenetal00,
  author = {Craven, M. and DiPasquo, D. and Freitag, D. and McCallum, A. and Mitchell, T. and Nigam, K. and Slattery, S.},
  title = {Learning to Construct Knowledge Bases from the World Wide Web},
  journal = {Artificial Intelligence},
  year = {2000},
  volume = {118},
  number = {1-2},
  pages = {69--113},
  url = {citeseer.nj.nec.com/craven00learning.html}
}

@book{watts1999small,
  author = {Watts, Duncan J.},
  title = {Small Worlds -- The Dynamics of Networks between
                Order and Randomneess},
  publisher = {Princeton University Press},
  year = {1999}
}

@article{MCINTOSH,
  author = {Mcintosh, Gregory C.},
  title = {The Rediscovery of Two Lost Sixteenth-Century World Maps},
  journal = {Imago Mundi. The International Journal for the History of Cartography},
  year = {1998},
  volume = {50},
  pages = {158-162}
}

@article{a.1997iranian,
  author = {King, David A.},
  title = {Two Iranian World Maps for Finding the Direction and Distance to Mecca},
  journal = {Imago Mundi. The International Journal for the History of Cartography},
  year = {1997},
  volume = {49},
  pages = {62-82}
}

@article{KUPFER,
  author = {Kupfer, Marcia},
  title = {Medieval world maps: embedded images, interpretive frames},
  journal = {World & Image. A journal of verbal visual enquiry},
  year = {1994},
  volume = {10},
  number = {3},
  pages = {262-288}
}

@incollection{barber1989encounters,
  author = {Barber, Peter},
  title = {Old Encounters new: The Aslake World Map},
  booktitle = {Géographie du Monde au Moyen Âge et à la Renaissance},
  year = {1989},
  pages = {69-81}
}

@article{s.1986geographical,
  author = {Kennedy, Edward S.},
  title = {Geographical Latitudes in Al-Idrīsī’s World Map},
  journal = {Zeitschrift für Geschichte der Arabisch-Islamischen Wissenschaften },
  year = {1986},
  volume = {3},
  pages = { 265-268}
}

@article{milgram1967small,
  author = {Milgram, Stanlay},
  title = {The Small World Problem},
  journal = {Psychology Today},
  year = {1967},
  volume = {67},
  number = {1}
}

@article{milgram,
  author = {Milgram, Stanley},
  title = {The small world problem},
  journal = {Psychology Today},
  year = {1967},
  volume = {1},
  pages = {61}
}