1. Brighton Museums, “Brighton Museums App,” Available at: https://play.google.com/store/apps/details?id=com.surfaceimpression.brightonmuseums [Accessed: March 2016].
2. American Museum of Natural History, “Explorer App,” Available at: https://play.google.com/store/apps/details?id=org.amnh.explorer [Accessed: March 2016].
3. National Palace Museum, “Giuseppe Castiglione App,” Available at: https://play.google.com/store/apps/details?id=iiiGuide.taipei.npm.castiglione.italy [Accessed: March 2016].
4. Museum of London App, “Streetmuseum App,” Available at: http://www.museumoflondon.org.uk/discover/museum-london-apps [Accessed: March 2016].
5. V. Viswanathan, Ilango Krisnamurthi, “Finding relevant semantic association paths through user-specific intermediate entities,” Human-centric Computing and Information Sciences, vol. 2, no. 9, 2012.