1. Abukhater, A. (n.d.). Planning 2.0—The next generation of planning support systems. Spatial Roundtable. Retrieved January 12, 2011, from http://www.spatialroundtable.com/post.cfm?entry=social-media-and-the-geoweb-deliver-participatory-planning
2. Aker, B. (2009, December 21). Next-generation of business intelligence: Semantic intelligence. Web 2.0 Journal. Retrieved March 28, 2013, from http://web2.sys-con.com/node/892846
3. Urban Planning 2.0
4. Towards Library 2.0: The Adoption of Web 2.0 Technologies in Public Libraries
5. Anttiroiko, A.-V., Valkama, P., & Bailey, S. J. (2013, June 22). Smart cities in the new service economy: Building platforms for smart services. AI & Society. Retrieved June 25, 2013, from http://link.springer.com/article/10.1007/s00146-013-0464-0