Breitman, K. K. Casanova, M. A. and Truszkowski, W. 2007. Semantic Web, Concepts, Technologies and Applications. 1st ed. London, UK: Springer-Verlag London.

Camp, B., Koran, J. and Koran, M. 2000. Photographs as a research tool in visitor studies. Journal of InterpretationResearch, 5(2), 47-58.

Chrysanthi, A. 2015.Augmenting Archaeological Walks. Theoretical and Methodological Considerations. University of Southampton, Faculty of Humanities, Doctoral Thesis.

Chrysanthi, A. and Caridakis, G. 2015. The archaeological space via visitor movement and interaction. In Papadopoulos, C., Paliou, E., Chrysanthi, A., Kotoula, E. and Sarris, A. (eds.) Archaeological research in the Digital Age. Proceedings of the 1st Conference on Computer Applications and Quantitative Methods in Archaeology Conference - Greek Chapter (CAA-GR), Rethymno, Crete, 6-8 March 2014, 168-175. Available from: http://www.caa-gr.org/?q=en/content/caa-gr-conference-2014-proceedings-are-now-available [Accessed 1 March 2015]. 

Coyne, R. 2012. Mosaics and multiples: Online digital photography and the framing of heritage. In E. Giaccardi (ed.), Heritage and Social Media: Understanding heritage in a participatory culture. London: Routledge. 161-178.

Intagorn, S., Plangprasopchok, A. and Lerman, K. 2010. Harvesting geospatial knowledge from social metadata. In Proceedings of the 7th International ISCRAM Conference. Seattle, USA. 

Kemp, K. K. 2008. Encyclopedia of Geographic Information Science. 2nd ed. Thousand Oaks, CA: SAGE Publications, Inc.

Manovich, L. 2009. Cultural Analytics: Visualizing Cultural Patterns in the Era of 'More Media'. Domus 923: 112-115.

Shoval, N. and Isaacson, M. 2010. Tourist Mobility and Advanced Tracking Technologies. London and New York: Routledge.