@article{aufsatz50485,
    affiliation = {Professur für Kartographische Kommunikation},
    title = {How much information is geospatially referenced? Networks and cognition.},
    journal = {International Journal of Geographical Information Science},
    keywords = {geospatial reference, geographic information retrieval, scale-free networks, cognition of geographic information, Wikipedia},
    pages = {1171--1189},
    publisher = {Tailor & Francis},
    year = {2013},
    peerreview = {Ja},
    openaccess = {Nein},
    volume = {27},
    number = {6},
    doi = {doi:10.1080/13658816.2012.743664},
    author = {Hahmann, Stefan and Burghardt, Dirk}
}